wcui/src/js/anot-touch.js

/*==================================================
 * 
 * @authors yutent (yutent@doui.cc)
 * @date    2017-03-21 21:05:57
 * support IE10+ and other browsers
 * 
 ==================================================*/
const _Anot = (function() {
  /*********************************************************************
   *                    全局变量及方法                                   *
   **********************************************************************/
  var bindingID = 1024
  var IEVersion = 0
  if (window.VBArray) {
    IEVersion = document.documentMode || (window.XMLHttpRequest ? 7 : 6)
  }
  var expose = generateID()
  //http://stackoverflow.com/questions/7290086/javascript-use-strict-and-nicks-find-global-function
  var DOC = window.document
  var head = DOC.head //HEAD元素
  head.insertAdjacentHTML(
    'afterBegin',
    '<anot skip class="anot-hide"><style id="anot-style">.anot-hide{ display: none!important }</style></anot>'
  )
  var ifGroup = head.firstChild

  function log() {
    // http://stackoverflow.com/questions/8785624/how-to-safely-wrap-console-log
    console.log.apply(console, arguments)
  }

  /**
   * Creates a new object without a prototype. This object is useful for lookup without having to
   * guard against prototypically inherited properties via hasOwnProperty.
   *
   * Related micro-benchmarks:
   * - http://jsperf.com/object-create2
   * - http://jsperf.com/proto-map-lookup/2
   * - http://jsperf.com/for-in-vs-object-keys2
   */
  function createMap() {
    return Object.create(null)
  }

  var subscribers = '$' + expose

  var nullObject = {} //作用类似于noop，只用于代码防御，千万不要在它上面添加属性
  var rword = /[^, ]+/g //切割字符串为一个个小块，以空格或豆号分开它们，结合replace实现字符串的forEach
  var rw20g = /\w+/g
  var rsvg = /^\[object SVG\w*Element\]$/
  var oproto = Object.prototype
  var ohasOwn = oproto.hasOwnProperty
  var serialize = oproto.toString
  var ap = Array.prototype
  var aslice = ap.slice
  var W3C = window.dispatchEvent
  var root = DOC.documentElement
  var anotFragment = DOC.createDocumentFragment()
  var cinerator = DOC.createElement('div')
  var class2type = {
    '[object Boolean]': 'boolean',
    '[object Number]': 'number',
    '[object String]': 'string',
    '[object Function]': 'function',
    '[object Array]': 'array',
    '[object Date]': 'date',
    '[object RegExp]': 'regexp',
    '[object Object]': 'object',
    '[object Error]': 'error',
    '[object AsyncFunction]': 'asyncfunction',
    '[object Promise]': 'promise',
    '[object Generator]': 'generator',
    '[object GeneratorFunction]': 'generatorfunction'
  }

  function noop() {}
  function scpCompile(array) {
    return Function.apply(noop, array)
  }

  function oneObject(array, val) {
    if (typeof array === 'string') {
      array = array.match(rword) || []
    }
    var result = {},
      value = val !== void 0 ? val : 1
    for (var i = 0, n = array.length; i < n; i++) {
      result[array[i]] = value
    }
    return result
  }

  function generateID(mark) {
    mark = (mark && mark + '-') || 'anot-'
    return (
      mark +
      Math.random()
        .toString(16)
        .slice(-4) +
      '-' +
      ++bindingID
    )
  }

  var Anot = function(el) {
    //创建jQuery式的无new 实例化结构
    return new Anot.init(el)
  }

  /*视浏览器情况采用最快的异步回调*/
  Anot.nextTick = new function() {
    // jshint ignore:line
    var tickImmediate = window.setImmediate
    var tickObserver = window.MutationObserver
    if (tickImmediate) {
      return tickImmediate.bind(window)
    }

    var queue = []
    function callback() {
      var n = queue.length
      for (var i = 0; i < n; i++) {
        queue[i]()
      }
      queue = queue.slice(n)
    }

    if (tickObserver) {
      var node = document.createTextNode('anot')
      new tickObserver(callback).observe(node, { characterData: true }) // jshint ignore:line
      var bool = false
      return function(fn) {
        queue.push(fn)
        bool = !bool
        node.data = bool
      }
    }

    return function(fn) {
      setTimeout(fn, 4)
    }
  }() // jshint ignore:line

  /*********************************************************************
   *                 Anot的静态方法定义区                              *
   **********************************************************************/

  Anot.type = function(obj) {
    //取得目标的类型
    if (obj == null) {
      return String(obj)
    }
    // 早期的webkit内核浏览器实现了已废弃的ecma262v4标准，可以将正则字面量当作函数使用，因此typeof在判定正则时会返回function
    return typeof obj === 'object' || typeof obj === 'function'
      ? class2type[serialize.call(obj)] || 'object'
      : typeof obj
  }

  Anot.PropsTypes = function(type) {
    this.type = 'PropsTypes'
    this.checkType = type
  }

  Anot.PropsTypes.prototype = {
    toString: function() {
      return ''
    },
    check: function(val) {
      this.result = Anot.type(val)
      return this.result === this.checkType
    },
    call: function() {
      return this.toString()
    }
  }

  Anot.PropsTypes.isString = function() {
    return new this('string')
  }

  Anot.PropsTypes.isNumber = function() {
    return new this('number')
  }

  Anot.PropsTypes.isFunction = function() {
    return new this('function')
  }

  Anot.PropsTypes.isArray = function() {
    return new this('array')
  }

  Anot.PropsTypes.isObject = function() {
    return new this('object')
  }

  Anot.PropsTypes.isBoolean = function() {
    return new this('boolean')
  }

  /*判定是否是一个朴素的javascript对象（Object），不是DOM对象，不是BOM对象，不是自定义类的实例*/
  Anot.isPlainObject = function(obj) {
    // 简单的 typeof obj === "object"检测，会致使用isPlainObject(window)在opera下通不过
    return (
      serialize.call(obj) === '[object Object]' &&
      Object.getPrototypeOf(obj) === oproto
    )
  }

  var VMODELS = (Anot.vmodels = {}) //所有vmodel都储存在这里
  Anot.init = function(source) {
    if (Anot.isPlainObject(source)) {
      var $id = source.$id
      var vm = null
      if (!$id) {
        log('warning: vm必须指定id')
      }
      vm = modelFactory(Object.assign({ props: {} }, source))
      vm.$id = $id
      VMODELS[$id] = vm

      Anot.nextTick(function() {
        var $elem = document.querySelector('[anot=' + vm.$id + ']')
        if ($elem) {
          if ($elem === DOC.body) {
            scanTag($elem, [])
          } else {
            var $parent = $elem
            while (($parent = $parent.parentNode)) {
              if ($parent.anotctrl) {
                break
              }
            }
            scanTag(
              $elem.parentNode,
              $parent ? [VMODELS[$parent.anotctrl]] : []
            )
          }
        }
      })

      return vm
    } else {
      this[0] = this.element = source
    }
  }
  Anot.fn = Anot.prototype = Anot.init.prototype

  //与jQuery.extend方法，可用于浅拷贝，深拷贝
  Anot.mix = Anot.fn.mix = function() {
    var options,
      name,
      src,
      copy,
      copyIsArray,
      clone,
      target = arguments[0] || {},
      i = 1,
      length = arguments.length,
      deep = false

    // 如果第一个参数为布尔,判定是否深拷贝
    if (typeof target === 'boolean') {
      deep = target
      target = arguments[1] || {}
      i++
    }

    //确保接受方为一个复杂的数据类型
    if (typeof target !== 'object' && Anot.type(target) !== 'function') {
      target = {}
    }

    //如果只有一个参数，那么新成员添加于mix所在的对象上
    if (i === length) {
      target = this
      i--
    }

    for (; i < length; i++) {
      //只处理非空参数
      if ((options = arguments[i]) != null) {
        for (name in options) {
          src = target[name]
          copy = options[name]
          // 防止环引用
          if (target === copy) {
            continue
          }
          if (
            deep &&
            copy &&
            (Anot.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))
          ) {
            if (copyIsArray) {
              copyIsArray = false
              clone = src && Array.isArray(src) ? src : []
            } else {
              clone = src && Anot.isPlainObject(src) ? src : {}
            }

            target[name] = Anot.mix(deep, clone, copy)
          } else if (copy !== void 0) {
            target[name] = copy
          }
        }
      }
    }
    return target
  }

  /*-----------------部分ES6的JS实现 start---------------*/

  // ===============================
  // ========== Promise ============
  // ===============================
  ;(function(nativePromise) {
    function _yes(val) {
      return val
    }

    function _no(err) {
      throw err
    }

    function done(callback) {
      return this.then(callback, _no)
    }

    function fail(callback) {
      return this.then(_yes, callback)
    }

    function defer() {
      var obj = {}
      obj.promise = new _Promise(function(yes, no) {
        obj.resolve = yes
        obj.reject = no
      })
      return obj
    }

    //成功的回调
    function _resolve(obj, val) {
      if (obj._state !== 'pending') {
        return
      }

      if (val && typeof val.then === 'function') {
        var method = val instanceof _Promise ? '_then' : 'then'
        val[method](
          function(v) {
            _transmit(obj, v, true)
          },
          function(v) {
            _transmit(obj, v, false)
          }
        )
      } else {
        _transmit(obj, val, true)
      }
    }

    //失败的回调
    function _reject(obj, val) {
      if (obj._state !== 'pending') {
        return
      }

      _transmit(obj, val, false)
    }

    // 改变Promise的_fired值，并保持用户传参，触发所有回调
    function _transmit(obj, val, isResolved) {
      obj._fired = true
      obj._val = val
      obj._state = isResolved ? 'fulfilled' : 'rejected'

      fireCallback(obj, function() {
        for (var i in obj.callback) {
          obj._fire(obj.callback[i].yes, obj.callback[i].no)
        }
      })
    }

    function fireCallback(obj, callback) {
      var isAsync = false

      if (typeof obj.async === 'boolean') {
        isAsync = obj.async
      } else {
        isAsync = obj.async = true
      }

      if (isAsync) {
        setTimeout(callback, 0)
      } else {
        callback()
      }
    }

    function _some(bool, iterable) {
      iterable = Array.isArray(iterable) ? iterable : []

      var n = 0
      var res = []
      var end = false

      return new _Promise(function(yes, no) {
        if (!iterable.length) no(res)

        function loop(obj, idx) {
          obj.then(
            function(val) {
              if (!end) {
                res[idx] = val
                n++
                if (bool || n >= iterable.length) {
                  yes(bool ? val : res)
                  end = true
                }
              }
            },
            function(val) {
              end = true
              no(val)
            }
          )
        }

        for (var i = 0, len = iterable.length; i < len; i++) {
          loop(iterable[i], i)
        }
      })
    }

    //---------------------------
    var _Promise = function(callback) {
      this.callback = []
      var _this = this

      if (typeof this !== 'object') {
        throw new TypeError('Promises must be constructed via new')
      }

      if (typeof callback !== 'function') {
        throw new TypeError('Argument must be a function')
      }

      callback(
        function(val) {
          _resolve(_this, val)
        },
        function(val) {
          _reject(_this, val)
        }
      )
    }
    var self = {
      _state: 1,
      _fired: 1,
      _val: 1,
      callback: 1
    }

    _Promise.prototype = {
      constructor: _Promise,
      _state: 'pending',
      _fired: false,
      _fire: function(yes, no) {
        if (this._state === 'rejected') {
          if (typeof no === 'function') no(this._val)
          else throw this._val
        } else {
          if (typeof yes === 'function') yes(this._val)
        }
      },
      _then: function(yes, no) {
        if (this._fired) {
          var _this = this
          fireCallback(_this, function() {
            _this._fire(yes, no)
          })
        } else {
          this.callback.push({ yes: yes, no: no })
        }
      },
      then: function(yes, no) {
        yes = typeof yes === 'function' ? yes : _yes
        no = typeof no === 'function' ? no : _no
        var _this = this
        var next = new _Promise(function(resolve, reject) {
          _this._then(
            function(val) {
              try {
                val = yes(val)
              } catch (err) {
                return reject(err)
              }
            },
            function(val) {
              try {
                val = no(val)
              } catch (err) {
                return reject(err)
              }
              resolve(val)
            }
          )
        })
        for (var i in _this) {
          if (!self[i]) next[i] = _this[i]
        }
        return next
      },
      done: done,
      catch: fail,
      fail: fail
    }

    _Promise.all = function(arr) {
      return _some(false, arr)
    }

    _Promise.race = function(arr) {
      return _some(true, arr)
    }

    _Promise.defer = defer

    _Promise.resolve = function(val) {
      var obj = this.defer()
      obj.resolve(val)
      return obj.promise
    }

    _Promise.reject = function(val) {
      var obj = this.defer()
      obj.reject(val)
      return obj.promise
    }
    if (/native code/.test(nativePromise)) {
      nativePromise.prototype.done = done
      nativePromise.prototype.fail = fail
      if (!nativePromise.defer) {
        nativePromise.defer = defer
      }
    }
    window.Promise = nativePromise || _Promise
  })(window.Promise)

  if (!Object.assign) {
    Object.defineProperty(Object, 'assign', {
      enumerable: false,
      value: function(target, first) {
        'use strict'
        if (target === undefined || target === null)
          throw new TypeError('Can not convert first argument to object')

        var to = Object(target)
        for (var i = 0, len = arguments.length; i < len; i++) {
          var next = arguments[i]
          if (next === undefined || next === null) continue

          var keys = Object.keys(Object(next))
          for (var j = 0, n = keys.length; j < n; j++) {
            var key = keys[j]
            var desc = Object.getOwnPropertyDescriptor(next, key)
            if (desc !== undefined && desc.enumerable) to[key] = next[key]
          }
        }
        return to
      }
    })
  }

  if (!Array.from) {
    Object.defineProperty(Array, 'from', {
      enumerable: false,
      value: (function() {
        var toStr = Object.prototype.toString
        var isCallable = function(fn) {
          return (
            typeof fn === 'function' || toStr.call(fn) === '[object Function]'
          )
        }

        var toInt = function(val) {
          var num = val - 0
          if (isNaN(num)) return 0

          if (num === 0 || isFinite(num)) return num

          return (num > 0 ? 1 : -1) * Math.floor(Math.abs(num))
        }
        var maxInt = Math.pow(2, 53) - 1
        var toLen = function(val) {
          var len = toInt(val)
          return Math.min(Math.max(len, 0), maxInt)
        }

        return function(arrLike) {
          var _this = this
          var items = Object(arrLike)
          if (arrLike === null)
            throw new TypeError(
              'Array.from requires an array-like object - not null or undefined'
            )

          var mapFn = arguments.length > 1 ? arguments[1] : undefined
          var other
          if (mapFn !== undefined) {
            if (!isCallable(mapFn))
              throw new TypeError(
                'Array.from: when provided, the second argument must be a function'
              )

            if (arguments.length > 2) other = arguments[2]
          }

          var len = toLen(items.length)
          var arr = isCallable(_this) ? Object(new _this(len)) : new Array(len)
          var k = 0
          var kVal
          while (k < len) {
            kVal = items[k]
            if (mapFn)
              arr[k] =
                other === 'undefined'
                  ? mapFn(kVal, k)
                  : mapFn.call(other, kVal, k)
            else arr[k] = kVal

            k++
          }
          arr.length = len
          return arr
        }
      })()
    })
  }

  // 判断数组是否包含指定元素
  if (!Array.prototype.includes) {
    Object.defineProperty(Array.prototype, 'includes', {
      value: function(val) {
        for (var i in this) {
          if (this[i] === val) return true
        }
        return false
      },
      enumerable: false
    })
  }

  //类似于Array 的splice方法
  if (!String.prototype.splice) {
    Object.defineProperty(String.prototype, 'splice', {
      value: function(start, len, fill) {
        var length = this.length,
          argLen = arguments.length

        fill = fill === undefined ? '' : fill

        if (argLen < 1) {
          return this
        }

        //处理负数
        if (start < 0) {
          if (Math.abs(start) >= length) start = 0
          else start = length + start
        }

        if (argLen === 1) {
          return this.slice(0, start)
        } else {
          len -= 0

          var strl = this.slice(0, start),
            strr = this.slice(start + len)

          return strl + fill + strr
        }
      },
      enumerable: false
    })
  }

  if (!Date.prototype.getFullWeek) {
    //获取当天是本年度第几周
    Object.defineProperty(Date.prototype, 'getFullWeek', {
      value: function() {
        var thisYear = this.getFullYear(),
          that = new Date(thisYear, 0, 1),
          firstDay = that.getDay() || 1,
          numsOfToday = (this - that) / 86400000
        return Math.ceil((numsOfToday + firstDay) / 7)
      },
      enumerable: false
    })

    //获取当天是本月第几周
    Object.defineProperty(Date.prototype, 'getWeek', {
      value: function() {
        var today = this.getDate(),
          thisMonth = this.getMonth(),
          thisYear = this.getFullYear(),
          firstDay = new Date(thisYear, thisMonth, 1).getDay()
        return Math.ceil((today + firstDay) / 7)
      },
      enumerable: false
    })
  }

  if (!Date.isDate) {
    Object.defineProperty(Date, 'isDate', {
      value: function(obj) {
        return typeof obj === 'object' && obj.getTime ? true : false
      },
      enumerable: false
    })
  }

  //时间格式化
  if (!Date.prototype.format) {
    Object.defineProperty(Date.prototype, 'format', {
      value: function(str) {
        str = str || 'Y-m-d H:i:s'
        var week = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
          dt = {
            fullyear: this.getFullYear(),
            year: this.getYear(),
            fullweek: this.getFullWeek(),
            week: this.getWeek(),
            month: this.getMonth() + 1,
            date: this.getDate(),
            day: week[this.getDay()],
            hours: this.getHours(),
            minutes: this.getMinutes(),
            seconds: this.getSeconds()
          },
          re

        dt.g = dt.hours > 12 ? dt.hours - 12 : dt.hours

        re = {
          Y: dt.fullyear,
          y: dt.year,
          m: dt.month < 10 ? '0' + dt.month : dt.month,
          n: dt.month,
          d: dt.date < 10 ? '0' + dt.date : dt.date,
          j: dt.date,
          H: dt.hours < 10 ? '0' + dt.hours : dt.hours,
          h: dt.g < 10 ? '0' + dt.g : dt.g,
          G: dt.hours,
          g: dt.g,
          i: dt.minutes < 10 ? '0' + dt.minutes : dt.minutes,
          s: dt.seconds < 10 ? '0' + dt.seconds : dt.seconds,
          W: dt.fullweek,
          w: dt.week,
          D: dt.day
        }

        for (var i in re) {
          str = str.replace(new RegExp(i, 'g'), re[i])
        }
        return str
      },
      enumerable: false
    })
  }

  /*-----------------部分ES6的JS实现 ending---------------*/

  function cacheStore(tpye, key, val) {
    if (!window[tpye]) {
      return log('该浏览器不支持本地储存' + tpye)
    }

    if (this.type(key) === 'object') {
      for (var i in key) {
        window[tpye].setItem(i, key[i])
      }
      return
    }
    switch (arguments.length) {
      case 2:
        return window[tpye].getItem(key)
      default:
        if ((this.type(val) == 'string' && val.trim() === '') || val === null) {
          window[tpye].removeItem(key)
          return
        }
        if (this.type(val) !== 'object' && this.type(val) !== 'array') {
          window[tpye].setItem(key, val.toString())
        } else {
          window[tpye].setItem(key, JSON.stringify(val))
        }
    }
  }

  Anot.mix({
    rword: rword,
    subscribers: subscribers,
    version: '1.0.0',
    log: log,
    ui: {}, //仅用于存放组件版本信息等
    slice: function(nodes, start, end) {
      return aslice.call(nodes, start, end)
    },
    noop: noop,
    /*如果不用Error对象封装一下，str在控制台下可能会乱码*/
    error: function(str, e) {
      throw new (e || Error)(str) // jshint ignore:line
    },
    /* Anot.range(10)
     => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
     Anot.range(1, 11)
     => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
     Anot.range(0, 30, 5)
     => [0, 5, 10, 15, 20, 25]
     Anot.range(0, -10, -1)
     => [0, -1, -2, -3, -4, -5, -6, -7, -8, -9]
     Anot.range(0)
     => []*/
    range: function(start, end, step) {
      // 用于生成整数数组
      step || (step = 1)
      if (end == null) {
        end = start || 0
        start = 0
      }
      var index = -1,
        length = Math.max(0, Math.ceil((end - start) / step)),
        result = new Array(length)
      while (++index < length) {
        result[index] = start
        start += step
      }
      return result
    },
    deepCopy: toJson,
    eventHooks: {},
    /*绑定事件*/
    bind: function(el, type, fn, phase) {
      var hooks = Anot.eventHooks
      type = type.split(',')
      Anot.each(type, function(i, t) {
        t = t.trim()
        var hook = hooks[t]
        if (typeof hook === 'object') {
          type = hook.type || type
          phase = hook.phase || !!phase
          fn = hook.fix ? hook.fix(el, fn) : fn
        }
        el.addEventListener(t, fn, phase)
      })
      return fn
    },
    /*卸载事件*/
    unbind: function(el, type, fn, phase) {
      var hooks = Anot.eventHooks
      type = type.split(',')
      fn = fn || noop
      Anot.each(type, function(i, t) {
        t = t.trim()
        var hook = hooks[t]
        if (typeof hook === 'object') {
          type = hook.type || type
          phase = hook.phase || !!phase
        }
        el.removeEventListener(t, fn, phase)
      })
    },
    /*读写删除元素节点的样式*/
    css: function(node, name, value) {
      if (node instanceof Anot) {
        node = node[0]
      }
      var prop = /[_-]/.test(name) ? camelize(name) : name,
        fn
      name = Anot.cssName(prop) || prop
      if (value === void 0 || typeof value === 'boolean') {
        //获取样式
        fn = cssHooks[prop + ':get'] || cssHooks['@:get']
        if (name === 'background') {
          name = 'backgroundColor'
        }
        var val = fn(node, name)
        return value === true ? parseFloat(val) || 0 : val
      } else if (value === '') {
        //请除样式
        node.style[name] = ''
      } else {
        //设置样式
        if (value == null || value !== value) {
          return
        }
        if (isFinite(value) && !Anot.cssNumber[prop]) {
          value += 'px'
        }
        fn = cssHooks[prop + ':set'] || cssHooks['@:set']
        fn(node, name, value)
      }
    },
    /*遍历数组与对象,回调的第一个参数为索引或键名,第二个或元素或键值*/
    each: function(obj, fn) {
      if (obj) {
        //排除null, undefined
        var i = 0
        if (isArrayLike(obj)) {
          for (var n = obj.length; i < n; i++) {
            if (fn(i, obj[i]) === false) break
          }
        } else {
          for (i in obj) {
            if (obj.hasOwnProperty(i) && fn(i, obj[i]) === false) {
              break
            }
          }
        }
      }
    },
    Array: {
      /*只有当前数组不存在此元素时只添加它*/
      ensure: function(target, item) {
        if (target.indexOf(item) === -1) {
          return target.push(item)
        }
      },
      /*移除数组中指定位置的元素，返回布尔表示成功与否*/
      removeAt: function(target, index) {
        return !!target.splice(index, 1).length
      },
      /*移除数组中第一个匹配传参的那个元素，返回布尔表示成功与否*/
      remove: function(target, item) {
        var index = target.indexOf(item)
        if (~index) return Anot.Array.removeAt(target, index)
        return false
      }
    },
    /**
     * [ls localStorage操作]
     * @param  {[type]} key  [键名]
     * @param  {[type]} val [键值，为空时删除]
     * @return
     */
    ls: function(key, val) {
      return cacheStore('localStorage', key, val)
    },
    ss: function(key, val) {
      return cacheStore('sessionStorage', key, val)
    },
    /**
     * [cookie cookie 操作 ]
     * @param  key  [cookie名]
     * @param  val [cookie值]
     * @param  {[json]} opt   [有效期，域名，路径等]
     * @return {[boolean]}       [读取时返回对应的值，写入时返回true]
     */
    cookie: function(key, val, opt) {
      if (arguments.length > 1) {
        if (!key) {
          return
        }

        //设置默认的参数
        opt = opt || {}
        opt = Object.assign(
          {
            expires: '',
            path: '/',
            domain: document.domain,
            secure: ''
          },
          opt
        )

        if ((this.type(val) == 'string' && val.trim() === '') || val === null) {
          document.cookie =
            encodeURIComponent(key) +
            '=; expires=Thu, 01 Jan 1970 00:00:00 GMT; domain=' +
            opt.domain +
            '; path=' +
            opt.path
          return true
        }
        if (opt.expires) {
          switch (opt.expires.constructor) {
            case Number:
              opt.expires =
                opt.expires === Infinity
                  ? '; expires=Fri, 31 Dec 9999 23:59:59 GMT'
                  : '; max-age=' + opt.expires
              break
            case String:
              opt.expires = '; expires=' + opt.expires
              break
            case Date:
              opt.expires = '; expires=' + opt.expires.toUTCString()
              break
          }
        }
        document.cookie =
          encodeURIComponent(key) +
          '=' +
          encodeURIComponent(val) +
          opt.expires +
          '; domain=' +
          opt.domain +
          '; path=' +
          opt.path +
          '; ' +
          opt.secure
        return true
      } else {
        if (!key) {
          return document.cookie
        }
        return (
          decodeURIComponent(
            document.cookie.replace(
              new RegExp(
                '(?:(?:^|.*;)\\s*' +
                  encodeURIComponent(key).replace(/[\-\.\+\*]/g, '\\$&') +
                  '\\s*\\=\\s*([^;]*).*$)|^.*$'
              ),
              '$1'
            )
          ) || null
        )
      }
    },
    //获取url的参数
    search: function(key) {
      key += ''
      var uri = location.search

      if (!key || !uri) return null

      uri = uri.slice(1)
      uri = uri.split('&')

      var obj = {}
      for (var i = 0, item; (item = uri[i++]); ) {
        var tmp = item.split('=')
        tmp[1] = tmp.length < 2 ? null : tmp[1]
        tmp[1] = decodeURIComponent(tmp[1])
        if (obj.hasOwnProperty(tmp[0])) {
          if (typeof obj[tmp[0]] === 'object') {
            obj[tmp[0]].push(tmp[1])
          } else {
            obj[tmp[0]] = [obj[tmp[0]]]
            obj[tmp[0]].push(tmp[1])
          }
        } else {
          obj[tmp[0]] = tmp[1]
        }
      }
      return obj.hasOwnProperty(key) ? obj[key] : null
    },
    //复制文本到粘贴板
    copy: function(txt) {
      if (!DOC.queryCommandSupported || !DOC.queryCommandSupported('copy')) {
        return log('该浏览器不支持复制到粘贴板')
      }

      var ta = DOC.createElement('textarea')
      ta.textContent = txt
      ta.style.position = 'fixed'
      ta.style.bottom = '-1000px'
      DOC.body.appendChild(ta)
      ta.select()
      try {
        DOC.execCommand('copy')
      } catch (err) {
        log('复制到粘贴板失败')
      }
      DOC.body.removeChild(ta)
    }
  })

  var bindingHandlers = (Anot.bindingHandlers = {})
  var bindingExecutors = (Anot.bindingExecutors = {})

  var directives = (Anot.directives = {})
  Anot.directive = function(name, obj) {
    bindingHandlers[name] = obj.init = obj.init || noop
    bindingExecutors[name] = obj.update = obj.update || noop
    return (directives[name] = obj)
  }

  /*判定是否类数组，如节点集合，纯数组，arguments与拥有非负整数的length属性的纯JS对象*/
  function isArrayLike(obj) {
    if (obj && typeof obj === 'object') {
      var n = obj.length,
        str = serialize.call(obj)
      if (/(Array|List|Collection|Map|Arguments)\]$/.test(str)) {
        return true
      } else if (str === '[object Object]' && n === n >>> 0) {
        return true //由于ecma262v5能修改对象属性的enumerable，因此不能用propertyIsEnumerable来判定了
      }
    }
    return false
  }

  // https://github.com/rsms/js-lru
  var Cache = new function() {
    // jshint ignore:line
    function LRU(maxLength) {
      this.size = 0
      this.limit = maxLength
      this.head = this.tail = void 0
      this._keymap = {}
    }

    var p = LRU.prototype

    p.put = function(key, value) {
      var entry = {
        key: key,
        value: value
      }
      this._keymap[key] = entry
      if (this.tail) {
        this.tail.newer = entry
        entry.older = this.tail
      } else {
        this.head = entry
      }
      this.tail = entry
      if (this.size === this.limit) {
        this.shift()
      } else {
        this.size++
      }
      return value
    }

    p.shift = function() {
      var entry = this.head
      if (entry) {
        this.head = this.head.newer
        this.head.older = entry.newer = entry.older = this._keymap[
          entry.key
        ] = void 0
        delete this._keymap[entry.key] //#1029
      }
    }
    p.get = function(key) {
      var entry = this._keymap[key]
      if (entry === void 0) return
      if (entry === this.tail) {
        return entry.value
      }
      // HEAD--------------TAIL
      //   <.older   .newer>
      //  <--- add direction --
      //   A  B  C  <D>  E
      if (entry.newer) {
        if (entry === this.head) {
          this.head = entry.newer
        }
        entry.newer.older = entry.older // C <-- E.
      }
      if (entry.older) {
        entry.older.newer = entry.newer // C. --> E
      }
      entry.newer = void 0 // D --x
      entry.older = this.tail // D. --> E
      if (this.tail) {
        this.tail.newer = entry // E. <-- D
      }
      this.tail = entry
      return entry.value
    }
    return LRU
  }() // jshint ignore:line

  /*********************************************************************
   *                           DOM 底层补丁                             *
   **********************************************************************/

  //safari5+是把contains方法放在Element.prototype上而不是Node.prototype
  if (!DOC.contains) {
    Node.prototype.contains = function(arg) {
      return !!(this.compareDocumentPosition(arg) & 16)
    }
  }
  Anot.contains = function(root, el) {
    try {
      while ((el = el.parentNode)) if (el === root) return true
      return false
    } catch (e) {
      return false
    }
  }

  if (window.SVGElement) {
    var svgns = 'http://www.w3.org/2000/svg'
    var svg = DOC.createElementNS(svgns, 'svg')
    svg.innerHTML = '<circle cx="50" cy="50" r="40" fill="red" />'
    if (!rsvg.test(svg.firstChild)) {
      // #409
      /* jshint ignore:start */
      function enumerateNode(node, targetNode) {
        if (node && node.childNodes) {
          var nodes = node.childNodes
          for (var i = 0, el; (el = nodes[i++]); ) {
            if (el.tagName) {
              var svg = DOC.createElementNS(svgns, el.tagName.toLowerCase())
              // copy attrs
              ap.forEach.call(el.attributes, function(attr) {
                svg.setAttribute(attr.name, attr.value)
              })
              // 递归处理子节点
              enumerateNode(el, svg)
              targetNode.appendChild(svg)
            }
          }
        }
      }
      /* jshint ignore:end */
      Object.defineProperties(SVGElement.prototype, {
        outerHTML: {
          //IE9-11,firefox不支持SVG元素的innerHTML,outerHTML属性
          enumerable: true,
          configurable: true,
          get: function() {
            return new XMLSerializer().serializeToString(this)
          },
          set: function(html) {
            var tagName = this.tagName.toLowerCase(),
              par = this.parentNode,
              frag = Anot.parseHTML(html)
            // 操作的svg，直接插入
            if (tagName === 'svg') {
              par.insertBefore(frag, this)
              // svg节点的子节点类似
            } else {
              var newFrag = DOC.createDocumentFragment()
              enumerateNode(frag, newFrag)
              par.insertBefore(newFrag, this)
            }
            par.removeChild(this)
          }
        },
        innerHTML: {
          enumerable: true,
          configurable: true,
          get: function() {
            var s = this.outerHTML
            var ropen = new RegExp(
              '<' + this.nodeName + '\\b(?:(["\'])[^"]*?(\\1)|[^>])*>',
              'i'
            )
            var rclose = new RegExp('</' + this.nodeName + '>$', 'i')
            return s.replace(ropen, '').replace(rclose, '')
          },
          set: function(html) {
            if (Anot.clearHTML) {
              Anot.clearHTML(this)
              var frag = Anot.parseHTML(html)
              enumerateNode(frag, this)
            }
          }
        }
      })
    }
  }

  //========================= event binding ====================

  var eventHooks = Anot.eventHooks

  //针对firefox, chrome修正mouseenter, mouseleave(chrome30+)
  if (!('onmouseenter' in root)) {
    Anot.each(
      {
        mouseenter: 'mouseover',
        mouseleave: 'mouseout'
      },
      function(origType, fixType) {
        eventHooks[origType] = {
          type: fixType,
          fix: function(elem, fn) {
            return function(e) {
              var t = e.relatedTarget
              if (
                !t ||
                (t !== elem && !(elem.compareDocumentPosition(t) & 16))
              ) {
                delete e.type
                e.type = origType
                return fn.call(elem, e)
              }
            }
          }
        }
      }
    )
  }

  //针对IE9+, w3c修正animationend
  Anot.each(
    {
      AnimationEvent: 'animationend',
      WebKitAnimationEvent: 'webkitAnimationEnd'
    },
    function(construct, fixType) {
      if (window[construct] && !eventHooks.animationend) {
        eventHooks.animationend = {
          type: fixType
        }
      }
    }
  )

  if (DOC.onmousewheel === void 0) {
    /* IE6-11 chrome mousewheel wheelDetla 下 -120 上 120
     firefox DOMMouseScroll detail 下3 上-3
     firefox wheel detlaY 下3 上-3
     IE9-11 wheel deltaY 下40 上-40
     chrome wheel deltaY 下100 上-100 */
    eventHooks.mousewheel = {
      type: 'wheel',
      fix: function(elem, fn) {
        return function(e) {
          e.wheelDeltaY = e.wheelDelta = e.deltaY > 0 ? -120 : 120
          e.wheelDeltaX = 0
          Object.defineProperty(e, 'type', {
            value: 'mousewheel'
          })
          fn.call(elem, e)
        }
      }
    }
  }

  /*********************************************************************
   *                           配置系统                                 *
   **********************************************************************/

  function kernel(settings) {
    for (var p in settings) {
      if (!ohasOwn.call(settings, p)) continue
      var val = settings[p]
      if (typeof kernel.plugins[p] === 'function') {
        kernel.plugins[p](val)
      } else if (typeof kernel[p] === 'object') {
        Anot.mix(kernel[p], val)
      } else {
        kernel[p] = val
      }
    }
    return this
  }
  Anot.config = kernel

  var openTag,
    closeTag,
    rexpr,
    rexprg,
    rbind,
    rregexp = /[-.*+?^${}()|[\]\/\\]/g

  function escapeRegExp(target) {
    //http://stevenlevithan.com/regex/xregexp/
    //将字符串安全格式化为正则表达式的源码
    return (target + '').replace(rregexp, '\\$&')
  }

  var plugins = {
    interpolate: function(array) {
      openTag = array[0]
      closeTag = array[1]
      if (openTag === closeTag) {
        throw new SyntaxError('openTag!==closeTag')
        var test = openTag + 'test' + closeTag
        cinerator.innerHTML = test
        if (
          cinerator.innerHTML !== test &&
          cinerator.innerHTML.indexOf('&lt;') > -1
        ) {
          throw new SyntaxError('此定界符不合法')
        }
        cinerator.innerHTML = ''
      }
      kernel.openTag = openTag
      kernel.closeTag = closeTag
      var o = escapeRegExp(openTag),
        c = escapeRegExp(closeTag)
      rexpr = new RegExp(o + '([\\s\\S]*)' + c)
      rexprg = new RegExp(o + '([\\s\\S]*)' + c, 'g')
      rbind = new RegExp(o + '[\\s\\S]*' + c + '|\\s:') //此处有疑问
    }
  }
  kernel.plugins = plugins
  kernel.plugins['interpolate'](['{{', '}}'])

  kernel.async = true
  kernel.paths = {}
  kernel.shim = {}
  kernel.maxRepeatSize = 100

  function $watch(expr, binding) {
    var $events = this.$events || (this.$events = {}),
      queue = $events[expr] || ($events[expr] = [])

    if (typeof binding === 'function') {
      var backup = binding
      backup.uuid = '_' + ++bindingID
      binding = {
        element: root,
        type: 'user-watcher',
        handler: noop,
        vmodels: [this],
        expr: expr,
        uuid: backup.uuid
      }
      binding.wildcard = /\*/.test(expr)
    }

    if (!binding.update) {
      if (/\w\.*\B/.test(expr) || expr === '*') {
        binding.getter = noop
        var host = this
        binding.update = function() {
          var args = this.fireArgs || []
          if (args[2]) binding.handler.apply(host, args)
          delete this.fireArgs
        }
        queue.sync = true
        Anot.Array.ensure(queue, binding)
      } else {
        Anot.injectBinding(binding)
      }
      if (backup) {
        binding.handler = backup
      }
    } else if (!binding.oneTime) {
      Anot.Array.ensure(queue, binding)
    }

    return function() {
      binding.update = binding.getter = binding.handler = noop
      binding.element = DOC.createElement('a')
    }
  }

  function $emit(key, args) {
    var event = this.$events
    if (event && event[key]) {
      if (args) {
        args[2] = key
      }
      var arr = event[key]
      notifySubscribers(arr, args)
      if (args && event['*'] && !/\./.test(key)) {
        for (var sub, k = 0; (sub = event['*'][k++]); ) {
          try {
            sub.handler.apply(this, args)
          } catch (e) {}
        }
      }
      var parent = this.$up
      if (parent) {
        if (this.$pathname) {
          $emit.call(parent, this.$pathname + '.' + key, args) //以确切的值往上冒泡
        }
        $emit.call(parent, '*.' + key, args) //以模糊的值往上冒泡
      }
    } else {
      parent = this.$up
      if (this.$ups) {
        for (var i in this.$ups) {
          $emit.call(this.$ups[i], i + '.' + key, args) //以确切的值往上冒泡
        }
        return
      }
      if (parent) {
        var p = this.$pathname
        if (p === '') p = '*'
        var path = p + '.' + key
        arr = path.split('.')

        args = (args && args.concat([path, key])) || [path, key]

        if (arr.indexOf('*') === -1) {
          $emit.call(parent, path, args) //以确切的值往上冒泡
          arr[1] = '*'
          $emit.call(parent, arr.join('.'), args) //以模糊的值往上冒泡
        } else {
          $emit.call(parent, path, args) //以确切的值往上冒泡
        }
      }
    }
  }

  function collectDependency(el, key) {
    do {
      if (el.$watch) {
        var e = el.$events || (el.$events = {})
        var array = e[key] || (e[key] = [])
        dependencyDetection.collectDependency(array)
        return
      }
      el = el.$up
      if (el) {
        key = el.$pathname + '.' + key
      } else {
        break
      }
    } while (true)
  }

  function notifySubscribers(subs, args) {
    if (!subs) return
    if (new Date() - beginTime > 444 && typeof subs[0] === 'object') {
      rejectDisposeQueue()
    }
    var users = [],
      renders = []
    for (var i = 0, sub; (sub = subs[i++]); ) {
      if (sub.type === 'user-watcher') {
        users.push(sub)
      } else {
        renders.push(sub)
      }
    }
    if (kernel.async) {
      buffer.render() //1
      for (i = 0; (sub = renders[i++]); ) {
        if (sub.update) {
          sub.uuid = sub.uuid || '_' + ++bindingID
          var uuid = sub.uuid
          if (!buffer.queue[uuid]) {
            buffer.queue[uuid] = '__'
            buffer.queue.push(sub)
          }
        }
      }
    } else {
      for (i = 0; (sub = renders[i++]); ) {
        if (sub.update) {
          sub.update() //最小化刷新DOM树
        }
      }
    }
    for (i = 0; (sub = users[i++]); ) {
      if ((args && args[2] === sub.expr) || sub.wildcard) {
        sub.fireArgs = args
      }
      sub.update()
    }
  }

  //一些不需要被监听的属性
  var $$skipArray = oneObject(
    '$id,$watch,$fire,$events,$model,$active,$pathname,$up,$ups,$track,$accessors'
  )

  //如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG，比如IE8
  //标准浏览器使用__defineGetter__, __defineSetter__实现

  function modelFactory(source, options) {
    options = options || {}
    options.watch = true
    return observeObject(source, options)
  }

  //监听对象属性值的变化(注意,数组元素不是数组的属性),通过对劫持当前对象的访问器实现
  //监听对象或数组的结构变化, 对对象的键值对进行增删重排, 或对数组的进行增删重排,都属于这范畴
  //   通过比较前后代理VM顺序实现
  function Component() {}

  function observeObject(source, options) {
    if (
      !source ||
      (source.$id && source.$accessors) ||
      (source.nodeName && source.nodeType > 0)
    ) {
      return source
    }
    //source为原对象,不能是元素节点或null
    //options,可选,配置对象,里面有old, force, watch这三个属性
    options = options || nullObject
    var force = options.force || nullObject
    var old = options.old
    var oldAccessors = (old && old.$accessors) || nullObject
    var $vmodel = new Component() //要返回的对象, 它在IE6-8下可能被偷龙转凤
    var accessors = {} //监控属性
    var hasOwn = {}
    var skip = []
    var simple = []
    var $skipArray = {}
    // 提取 source中的配置项, 并删除相应字段
    var state = source.state
    var computed = source.computed
    var methods = source.methods
    var props = source.props
    var watches = source.watch
    var mounted = source.mounted

    delete source.state
    delete source.computed
    delete source.methods
    delete source.props
    delete source.watch

    if (source.skip) {
      $skipArray = oneObject(source.skip)
      delete source.skip
    }

    // 基础数据
    if (state) {
      if (source.$id) {
        // 直接删除名为props的 字段, 对于主VM对象, props将作为保留关键字
        // 下面的计算属性,方法等, 作同样的逻辑处理
        delete state.props
      }
      for (name in state) {
        var value = state[name]
        if (!$$skipArray[name]) {
          hasOwn[name] = true
        }
        if (
          typeof value === 'function' ||
          (value && value.nodeName && value.nodeType > 0) ||
          (!force[name] &&
            (name.charAt(0) === '$' || $$skipArray[name] || $skipArray[name]))
        ) {
          skip.push(name)
        } else if (isComputed(value)) {
          log('warning:计算属性建议放在[computed]对象中统一定义')
          // 转给下一步处理
          computed[name] = value
        } else {
          simple.push(name)
          if (oldAccessors[name]) {
            accessors[name] = oldAccessors[name]
          } else {
            accessors[name] = makeGetSet(name, value)
          }
        }
      }
    }

    //处理计算属性
    if (computed) {
      delete computed.props
      for (var name in computed) {
        hasOwn[name] = true
        ;(function(key, value) {
          var old
          if (typeof value === 'function') {
            value = { get: value, set: noop }
          }
          if (typeof value.set !== 'function') {
            value.set = noop
          }
          accessors[key] = {
            get: function() {
              return (old = value.get.call(this))
            },
            set: function(x) {
              var older = old,
                newer
              value.set.call(this, x)
              newer = this[key]
              if (this.$fire && newer !== older) {
                this.$fire(key, newer, older)
              }
            },
            enumerable: true,
            configurable: true
          }
        })(name, computed[name]) // jshint ignore:line
      }
    }

    // 方法
    if (methods) {
      delete methods.props
      for (var name in methods) {
        hasOwn[name] = true
        skip.push(name)
      }
    }

    if (props) {
      hideProperty($vmodel, 'props', {})
      hasOwn.props = !!source.$id
      for (var name in props) {
        $vmodel.props[name] = props[name]
      }
    }

    Object.assign(source, state, methods)

    accessors['$model'] = $modelDescriptor
    $vmodel = Object.defineProperties($vmodel, accessors, source)
    function trackBy(name) {
      return hasOwn[name] === true
    }
    skip.forEach(function(name) {
      $vmodel[name] = source[name]
    })

    /* jshint ignore:start */
    // hideProperty($vmodel, '$ups', null)
    hideProperty($vmodel, '$id', 'anonymous')
    hideProperty($vmodel, '$up', old ? old.$up : null)
    hideProperty($vmodel, '$track', Object.keys(hasOwn))
    hideProperty($vmodel, '$active', false)
    hideProperty($vmodel, '$pathname', old ? old.$pathname : '')
    hideProperty($vmodel, '$accessors', accessors)
    hideProperty($vmodel, '$refs', {})
    hideProperty($vmodel, '$children', [])
    hideProperty($vmodel, 'hasOwnProperty', trackBy)
    hideProperty($vmodel, '$mounted', mounted)
    if (options.watch) {
      hideProperty($vmodel, '$watch', function() {
        return $watch.apply($vmodel, arguments)
      })
      hideProperty($vmodel, '$fire', function(path, a) {
        if (path.indexOf('all!') === 0) {
          var ee = path.slice(4)
          for (var i in Anot.vmodels) {
            var v = Anot.vmodels[i]
            v.$fire && v.$fire.apply(v, [ee, a])
          }
        } else if (path.indexOf('child!') === 0) {
          var ee = 'props.' + path.slice(6)
          for (var i in $vmodel.$children) {
            var v = $vmodel.$children[i]
            v.$fire && v.$fire.apply(v, [ee, a])
          }
        } else {
          $emit.call($vmodel, path, [a])
        }
      })
    }
    /* jshint ignore:end */

    //必须设置了$active,$events
    simple.forEach(function(name) {
      var oldVal = old && old[name]
      var val = ($vmodel[name] = state[name])
      if (val && typeof val === 'object') {
        val.$up = $vmodel
        val.$pathname = name
      }
      $emit.call($vmodel, name, [val, oldVal])
    })

    // 属性的监听, 必须放在上一步$emit后处理, 否则会在初始时就已经触发一次 监听回调
    if (watches) {
      delete watches.props
      for (var key in watches) {
        $watch.call($vmodel, key, watches[key])
      }
    }

    $vmodel.$active = true

    if (old && old.$up && old.$up.$children) {
      old.$up.$children.push($vmodel)
    }

    return $vmodel
  }

  /*
 新的VM拥有如下私有属性
 $id: vm.id
 $events: 放置$watch回调与绑定对象
 $watch: 增强版$watch
 $fire: 触发$watch回调
 $track:一个数组,里面包含用户定义的所有键名
 $active:boolean,false时防止依赖收集
 $model:返回一个纯净的JS对象
 $accessors:放置所有读写器的数据描述对象
 $pathname:返回此对象在上级对象的名字,注意,数组元素的$pathname为空字符串
 =============================
 skip:用于指定不可监听的属性,但VM生成是没有此属性的
 */
  function isComputed(val) {
    //speed up!
    if (val && typeof val === 'object') {
      for (var i in val) {
        if (i !== 'get' && i !== 'set') {
          return false
        }
      }
      return typeof val.get === 'function'
    }
  }
  function makeGetSet(key, value) {
    var childVm,
      value = NaN
    return {
      get: function() {
        if (this.$active) {
          collectDependency(this, key)
        }
        return value
      },
      set: function(newVal) {
        if (value === newVal) return
        var oldValue = value
        childVm = observe(newVal, value)
        if (childVm) {
          value = childVm
        } else {
          childVm = void 0
          value = newVal
        }

        if (Object(childVm) === childVm) {
          childVm.$pathname = key
          childVm.$up = this
        }
        if (this.$active) {
          $emit.call(this, key, [value, oldValue])
        }
      },
      enumerable: true,
      configurable: true
    }
  }

  function observe(obj, old, hasReturn, watch) {
    if (Array.isArray(obj)) {
      return observeArray(obj, old, watch)
    } else if (Anot.isPlainObject(obj)) {
      if (old && typeof old === 'object') {
        var keys = Object.keys(obj)
        var keys2 = Object.keys(old)
        if (keys.join(';') === keys2.join(';')) {
          for (var i in obj) {
            if (obj.hasOwnProperty(i)) {
              old[i] = obj[i]
            }
          }
          return old
        }
        old.$active = false
      }
      return observeObject(
        { state: obj },
        {
          old: old,
          watch: watch
        }
      )
    }
    if (hasReturn) {
      return obj
    }
  }

  function observeArray(array, old, watch) {
    if (old && old.splice) {
      var args = [0, old.length].concat(array)
      old.splice.apply(old, args)
      return old
    } else {
      for (var i in newProto) {
        array[i] = newProto[i]
      }
      hideProperty(array, '$up', null)
      hideProperty(array, '$pathname', '')
      hideProperty(array, '$track', createTrack(array.length))

      array._ = observeObject(
        {
          state: { length: NaN }
        },
        {
          watch: true
        }
      )
      array._.length = array.length
      array._.$watch('length', function(a, b) {
        $emit.call(array.$up, array.$pathname + '.length', [a, b])
      })
      if (watch) {
        hideProperty(array, '$watch', function() {
          return $watch.apply(array, arguments)
        })
      }

      Object.defineProperty(array, '$model', $modelDescriptor)

      for (var j = 0, n = array.length; j < n; j++) {
        var el = (array[j] = observe(array[j], 0, 1, 1))
        if (Object(el) === el) {
          //#1077
          el.$up = array
        }
      }

      return array
    }
  }

  function hideProperty(host, name, value) {
    Object.defineProperty(host, name, {
      value: value,
      writable: true,
      enumerable: false,
      configurable: true
    })
  }
  Anot.hideProperty = hideProperty

  function toJson(val) {
    var xtype = Anot.type(val)
    if (xtype === 'array') {
      var array = []
      for (var i = 0; i < val.length; i++) {
        array[i] = toJson(val[i])
      }
      return array
    } else if (xtype === 'object') {
      var obj = {}
      for (i in val) {
        if (val.hasOwnProperty(i)) {
          var value = val[i]
          obj[i] = value && value.nodeType ? value : toJson(value)
        }
      }
      return obj
    }
    return val
  }

  var $modelDescriptor = {
    get: function() {
      return toJson(this)
    },
    set: noop,
    enumerable: false,
    configurable: true
  }

  /*********************************************************************
   *          监控数组（:repeat配合使用）                     *
   **********************************************************************/

  var arrayMethods = ['push', 'pop', 'shift', 'unshift', 'splice']
  var arrayProto = Array.prototype
  var newProto = {
    notify: function() {
      $emit.call(this.$up, this.$pathname)
    },
    set: function(index, val) {
      if (index >>> 0 === index && this[index] !== val) {
        if (index > this.length) {
          throw Error(index + 'set方法的第一个参数不能大于原数组长度')
        }
        $emit.call(this.$up, this.$pathname + '.*', [val, this[index]])
        this.splice(index, 1, val)
      }
    },
    contains: function(el) {
      //判定是否包含
      return this.indexOf(el) !== -1
    },
    ensure: function(el) {
      if (!this.contains(el)) {
        //只有不存在才push
        this.push(el)
      }
      return this
    },
    pushArray: function(arr) {
      return this.push.apply(this, arr)
    },
    remove: function(el) {
      //移除第一个等于给定值的元素
      return this.removeAt(this.indexOf(el))
    },
    removeAt: function(index) {
      //移除指定索引上的元素
      if (index >>> 0 === index) {
        return this.splice(index, 1)
      }
      return []
    },
    size: function() {
      //取得数组长度，这个函数可以同步视图，length不能
      return this._.length
    },
    removeAll: function(all) {
      //移除N个元素
      if (Array.isArray(all)) {
        for (var i = this.length - 1; i >= 0; i--) {
          if (all.indexOf(this[i]) !== -1) {
            _splice.call(this.$track, i, 1)
            _splice.call(this, i, 1)
          }
        }
      } else if (typeof all === 'function') {
        for (i = this.length - 1; i >= 0; i--) {
          var el = this[i]
          if (all(el, i)) {
            _splice.call(this.$track, i, 1)
            _splice.call(this, i, 1)
          }
        }
      } else {
        _splice.call(this.$track, 0, this.length)
        _splice.call(this, 0, this.length)
      }
      if (!W3C) {
        this.$model = toJson(this)
      }
      this.notify()
      this._.length = this.length
    },
    clear: function() {
      this.removeAll()
    }
  }

  var _splice = arrayProto.splice
  arrayMethods.forEach(function(method) {
    var original = arrayProto[method]
    newProto[method] = function() {
      // 继续尝试劫持数组元素的属性
      var args = []
      for (var i = 0, n = arguments.length; i < n; i++) {
        args[i] = observe(arguments[i], 0, 1, 1)
      }
      var result = original.apply(this, args)
      addTrack(this.$track, method, args)
      if (!W3C) {
        this.$model = toJson(this)
      }
      this.notify()
      this._.length = this.length
      return result
    }
  })

  'sort,reverse'.replace(rword, function(method) {
    newProto[method] = function() {
      var oldArray = this.concat() //保持原来状态的旧数组
      var newArray = this
      var mask = Math.random()
      var indexes = []
      var hasSort = false
      arrayProto[method].apply(newArray, arguments) //排序
      for (var i = 0, n = oldArray.length; i < n; i++) {
        var neo = newArray[i]
        var old = oldArray[i]
        if (neo === old) {
          indexes.push(i)
        } else {
          var index = oldArray.indexOf(neo)
          indexes.push(index) //得到新数组的每个元素在旧数组对应的位置
          oldArray[index] = mask //屏蔽已经找过的元素
          hasSort = true
        }
      }
      if (hasSort) {
        sortByIndex(this.$track, indexes)
        if (!W3C) {
          this.$model = toJson(this)
        }
        this.notify()
      }
      return this
    }
  })

  function sortByIndex(array, indexes) {
    var map = {}
    for (var i = 0, n = indexes.length; i < n; i++) {
      map[i] = array[i]
      var j = indexes[i]
      if (j in map) {
        array[i] = map[j]
        delete map[j]
      } else {
        array[i] = array[j]
      }
    }
  }

  function createTrack(n) {
    var ret = []
    for (var i = 0; i < n; i++) {
      ret[i] = generateID('$proxy$each')
    }
    return ret
  }

  function addTrack(track, method, args) {
    switch (method) {
      case 'push':
      case 'unshift':
        args = createTrack(args.length)
        break
      case 'splice':
        if (args.length > 2) {
          // 0, 5, a, b, c --> 0, 2, 0
          // 0, 5, a, b, c, d, e, f, g--> 0, 0, 3
          var del = args[1]
          var add = args.length - 2
          // args = [args[0], Math.max(del - add, 0)].concat(createTrack(Math.max(add - del, 0)))
          args = [args[0], args[1]].concat(createTrack(args.length - 2))
        }
        break
    }
    Array.prototype[method].apply(track, args)
  }

  /*********************************************************************
   *                           依赖调度系统                              *
   **********************************************************************/

  //检测两个对象间的依赖关系
  var dependencyDetection = (function() {
    var outerFrames = []
    var currentFrame
    return {
      begin: function(binding) {
        //accessorObject为一个拥有callback的对象
        outerFrames.push(currentFrame)
        currentFrame = binding
      },
      end: function() {
        currentFrame = outerFrames.pop()
      },
      collectDependency: function(array) {
        if (currentFrame) {
          //被dependencyDetection.begin调用
          currentFrame.callback(array)
        }
      }
    }
  })()

  //将绑定对象注入到其依赖项的订阅数组中
  var roneval = /^on$/

  function returnRandom() {
    return new Date() - 0
  }

  Anot.injectBinding = function(binding) {
    binding.handler = binding.handler || directives[binding.type].update || noop
    binding.update = function() {
      var begin = false
      if (!binding.getter) {
        begin = true
        dependencyDetection.begin({
          callback: function(array) {
            injectDependency(array, binding)
          }
        })

        binding.getter = parseExpr(binding.expr, binding.vmodels, binding)
        binding.observers.forEach(function(a) {
          a.v.$watch(a.p, binding)
        })
        delete binding.observers
      }
      try {
        var args = binding.fireArgs,
          a,
          b
        delete binding.fireArgs
        if (!args) {
          if (binding.type === 'on') {
            a = binding.getter + ''
          } else {
            try {
              a = binding.getter.apply(0, binding.args)
            } catch (e) {
              a = null
            }
          }
        } else {
          a = args[0]
          b = args[1]
        }
        b = typeof b === 'undefined' ? binding.oldValue : b
        if (binding._filters) {
          a = filters.$filter.apply(0, [a].concat(binding._filters))
        }
        if (binding.signature) {
          var xtype = Anot.type(a)
          if (xtype !== 'array' && xtype !== 'object') {
            throw Error('warning:' + binding.expr + '只能是对象或数组')
          }
          binding.xtype = xtype
          var vtrack = getProxyIds(binding.proxies || [], xtype)
          var mtrack =
            a.$track ||
            (xtype === 'array' ? createTrack(a.length) : Object.keys(a))
          binding.track = mtrack
          if (vtrack !== mtrack.join(';')) {
            binding.handler(a, b)
            binding.oldValue = 1
          }
        } else if (Array.isArray(a) ? a.length !== (b && b.length) : false) {
          binding.handler(a, b)
          binding.oldValue = a.concat()
        } else if (!('oldValue' in binding) || a !== b) {
          binding.handler(a, b)
          binding.oldValue = Array.isArray(a) ? a.concat() : a
        }
      } catch (e) {
        delete binding.getter
        log('warning:exception throwed in [Anot.injectBinding] ', e)
        var node = binding.element
        if (node && node.nodeType === 3) {
          node.nodeValue =
            openTag + (binding.oneTime ? '::' : '') + binding.expr + closeTag
        }
      } finally {
        begin && dependencyDetection.end()
      }
    }
    binding.update()
  }

  //将依赖项(比它高层的访问器或构建视图刷新函数的绑定对象)注入到订阅者数组
  function injectDependency(list, binding) {
    if (binding.oneTime) return
    if (list && Anot.Array.ensure(list, binding) && binding.element) {
      injectDisposeQueue(binding, list)
      if (new Date() - beginTime > 444) {
        rejectDisposeQueue()
      }
    }
  }

  function getProxyIds(a, isArray) {
    var ret = []
    for (var i = 0, el; (el = a[i++]); ) {
      ret.push(isArray ? el.$id : el.$key)
    }
    return ret.join(';')
  }

  /*********************************************************************
   *                     定时GC回收机制 (基于1.6基于频率的GC)                *
   **********************************************************************/

  var disposeQueue = (Anot.$$subscribers = [])
  var beginTime = new Date()

  //添加到回收列队中
  function injectDisposeQueue(data, list) {
    data.list = list
    data.i = ~~data.i
    if (!data.uuid) {
      data.uuid = '_' + ++bindingID
    }
    if (!disposeQueue[data.uuid]) {
      disposeQueue[data.uuid] = '__'
      disposeQueue.push(data)
    }
  }

  var lastGCIndex = 0
  function rejectDisposeQueue(data) {
    var i = lastGCIndex || disposeQueue.length
    var threshold = 0
    while ((data = disposeQueue[--i])) {
      if (data.i < 7) {
        if (data.element === null) {
          disposeQueue.splice(i, 1)
          if (data.list) {
            Anot.Array.remove(data.list, data)
            delete disposeQueue[data.uuid]
          }
          continue
        }
        if (shouldDispose(data.element)) {
          //如果它的虚拟DOM不在VTree上或其属性不在VM上
          disposeQueue.splice(i, 1)
          Anot.Array.remove(data.list, data)
          disposeData(data)
          //Anot会在每次全量更新时,比较上次执行时间,
          //假若距离上次有半秒,就会发起一次GC,并且只检测当中的500个绑定
          //而一个正常的页面不会超过2000个绑定(500即取其4分之一)
          //用户频繁操作页面,那么2,3秒内就把所有绑定检测一遍,将无效的绑定移除
          if (threshold++ > 500) {
            lastGCIndex = i
            break
          }
          continue
        }
        data.i++
        //基于检测频率，如果检测过7次，可以认为其是长久存在的节点，那么以后每7次才检测一次
        if (data.i === 7) {
          data.i = 14
        }
      } else {
        data.i--
      }
    }
    beginTime = new Date()
  }

  function disposeData(data) {
    delete disposeQueue[data.uuid] // 先清除，不然无法回收了
    data.element = null
    data.rollback && data.rollback()
    for (var key in data) {
      data[key] = null
    }
  }

  function shouldDispose(el) {
    try {
      //IE下，如果文本节点脱离DOM树，访问parentNode会报错
      var fireError = el.parentNode.nodeType
    } catch (e) {
      return true
    }
    if (el.ifRemove) {
      // 如果节点被放到ifGroup，才移除
      if (!root.contains(el.ifRemove) && ifGroup === el.parentNode) {
        el.parentNode && el.parentNode.removeChild(el)
        return true
      }
    }
    return el.msRetain
      ? 0
      : el.nodeType === 1
        ? !root.contains(el)
        : !Anot.contains(root, el)
  }

  /************************************************************************
   *              HTML处理(parseHTML, innerHTML, clearHTML)                *
   *************************************************************************/

  //parseHTML的辅助变量
  var tagHooks = new function() {
    // jshint ignore:line
    Anot.mix(this, {
      option: DOC.createElement('select'),
      thead: DOC.createElement('table'),
      td: DOC.createElement('tr'),
      area: DOC.createElement('map'),
      tr: DOC.createElement('tbody'),
      col: DOC.createElement('colgroup'),
      legend: DOC.createElement('fieldset'),
      _default: DOC.createElement('div'),
      g: DOC.createElementNS('http://www.w3.org/2000/svg', 'svg')
    })
    this.optgroup = this.option
    this.tbody = this.tfoot = this.colgroup = this.caption = this.thead
    this.th = this.td
  }() // jshint ignore:line
  String(
    'circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use'
  ).replace(rword, function(tag) {
    tagHooks[tag] = tagHooks.g //处理SVG
  })

  var rtagName = /<([\w:]+)/
  var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi
  var scriptTypes = oneObject([
    '',
    'text/javascript',
    'text/ecmascript',
    'application/ecmascript',
    'application/javascript'
  ])
  var script = DOC.createElement('script')
  var rhtml = /<|&#?\w+;/

  Anot.parseHTML = function(html) {
    var fragment = anotFragment.cloneNode(false)
    if (typeof html !== 'string') {
      return fragment
    }
    if (!rhtml.test(html)) {
      fragment.appendChild(DOC.createTextNode(html))
      return fragment
    }
    html = html.replace(rxhtml, '<$1></$2>').trim()
    var tag = (rtagName.exec(html) || ['', ''])[1].toLowerCase(),
      //取得其标签名
      wrapper = tagHooks[tag] || tagHooks._default,
      firstChild
    wrapper.innerHTML = html
    var els = wrapper.getElementsByTagName('script')
    if (els.length) {
      //使用innerHTML生成的script节点不会发出请求与执行text属性
      for (var i = 0, el; (el = els[i++]); ) {
        if (scriptTypes[el.type]) {
          var neo = script.cloneNode(false) //FF不能省略参数
          ap.forEach.call(el.attributes, function(attr) {
            neo.setAttribute(attr.name, attr.value)
          }) // jshint ignore:line
          neo.text = el.text
          el.parentNode.replaceChild(neo, el)
        }
      }
    }

    while ((firstChild = wrapper.firstChild)) {
      // 将wrapper上的节点转移到文档碎片上！
      fragment.appendChild(firstChild)
    }
    return fragment
  }

  Anot.innerHTML = function(node, html) {
    var a = this.parseHTML(html)
    this.clearHTML(node).appendChild(a)
  }

  Anot.clearHTML = function(node) {
    node.textContent = ''
    while (node.firstChild) {
      node.removeChild(node.firstChild)
    }
    return node
  }

  /*********************************************************************
   *                        Anot的原型方法定义区                       *
   **********************************************************************/

  function hyphen(target) {
    //转换为连字符线风格
    return target.replace(/([a-z\d])([A-Z]+)/g, '$1-$2').toLowerCase()
  }

  function camelize(target) {
    //转换为驼峰风格
    if (target.indexOf('-') < 0 && target.indexOf('_') < 0) {
      return target //提前判断，提高getStyle等的效率
    }
    return target.replace(/[-_][^-_]/g, function(match) {
      return match.charAt(1).toUpperCase()
    })
  }

  'add,remove'.replace(rword, function(method) {
    Anot.fn[method + 'Class'] = function(cls) {
      var el = this[0]
      //https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26
      if (cls && typeof cls === 'string' && el && el.nodeType === 1) {
        cls.replace(/\S+/g, function(c) {
          el.classList[method](c)
        })
      }
      return this
    }
  })

  Anot.fn.mix({
    hasClass: function(cls) {
      var el = this[0] || {} //IE10+, chrome8+, firefox3.6+, safari5.1+,opera11.5+支持classList,chrome24+,firefox26+支持classList2.0
      return el.nodeType === 1 && el.classList.contains(cls)
    },
    toggleClass: function(value, stateVal) {
      var className,
        i = 0
      var classNames = String(value).match(/\S+/g) || []
      var isBool = typeof stateVal === 'boolean'
      while ((className = classNames[i++])) {
        var state = isBool ? stateVal : !this.hasClass(className)
        this[state ? 'addClass' : 'removeClass'](className)
      }
      return this
    },
    attr: function(name, value) {
      if (arguments.length === 2) {
        this[0].setAttribute(name, value)
        return this
      } else {
        return this[0].getAttribute(name)
      }
    },
    data: function(name, value) {
      name = 'data-' + hyphen(name || '')
      switch (arguments.length) {
        case 2:
          this.attr(name, value)
          return this
        case 1:
          var val = this.attr(name)
          return parseData(val)
        case 0:
          var ret = {}
          ap.forEach.call(this[0].attributes, function(attr) {
            if (attr) {
              name = attr.name
              if (!name.indexOf('data-')) {
                name = camelize(name.slice(5))
                ret[name] = parseData(attr.value)
              }
            }
          })
          return ret
      }
    },
    removeData: function(name) {
      name = 'data-' + hyphen(name)
      this[0].removeAttribute(name)
      return this
    },
    css: function(name, value) {
      if (Anot.isPlainObject(name)) {
        for (var i in name) {
          Anot.css(this, i, name[i])
        }
      } else {
        var ret = Anot.css(this, name, value)
      }
      return ret !== void 0 ? ret : this
    },
    position: function() {
      var offsetParent,
        offset,
        elem = this[0],
        parentOffset = {
          top: 0,
          left: 0
        }
      if (!elem) {
        return
      }
      if (this.css('position') === 'fixed') {
        offset = elem.getBoundingClientRect()
      } else {
        offsetParent = this.offsetParent() //得到真正的offsetParent
        offset = this.offset() // 得到正确的offsetParent
        if (offsetParent[0].tagName !== 'HTML') {
          parentOffset = offsetParent.offset()
        }
        parentOffset.top += Anot.css(offsetParent[0], 'borderTopWidth', true)
        parentOffset.left += Anot.css(offsetParent[0], 'borderLeftWidth', true)
        // Subtract offsetParent scroll positions
        parentOffset.top -= offsetParent.scrollTop()
        parentOffset.left -= offsetParent.scrollLeft()
      }
      return {
        top: offset.top - parentOffset.top - Anot.css(elem, 'marginTop', true),
        left:
          offset.left - parentOffset.left - Anot.css(elem, 'marginLeft', true)
      }
    },
    offsetParent: function() {
      var offsetParent = this[0].offsetParent
      while (offsetParent && Anot.css(offsetParent, 'position') === 'static') {
        offsetParent = offsetParent.offsetParent
      }
      return Anot(offsetParent || root)
    },
    bind: function(type, fn, phase) {
      if (this[0]) {
        //此方法不会链
        return Anot.bind(this[0], type, fn, phase)
      }
    },
    unbind: function(type, fn, phase) {
      if (this[0]) {
        Anot.unbind(this[0], type, fn, phase)
      }
      return this
    },
    val: function(value) {
      var node = this[0]
      if (node && node.nodeType === 1) {
        var get = arguments.length === 0
        var access = get ? ':get' : ':set'
        var fn = valHooks[getValType(node) + access]
        if (fn) {
          var val = fn(node, value)
        } else if (get) {
          return (node.value || '').replace(/\r/g, '')
        } else {
          node.value = value
        }
      }
      return get ? val : this
    }
  })

  if (root.dataset) {
    Anot.fn.data = function(name, val) {
      name = name && camelize(name)
      var dataset = this[0].dataset
      switch (arguments.length) {
        case 2:
          dataset[name] = val
          return this
        case 1:
          val = dataset[name]
          return parseData(val)
        case 0:
          var ret = createMap()
          for (name in dataset) {
            ret[name] = parseData(dataset[name])
          }
          return ret
      }
    }
  }

  Anot.parseJSON = JSON.parse

  var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/
  function parseData(data) {
    try {
      if (typeof data === 'object') return data
      data =
        data === 'true'
          ? true
          : data === 'false'
            ? false
            : data === 'null'
              ? null
              : +data + '' === data
                ? +data
                : rbrace.test(data)
                  ? JSON.parse(data)
                  : data
    } catch (e) {}
    return data
  }

  Anot.fireDom = function(elem, type, opts) {
    var hackEvent = DOC.createEvent('Events')
    hackEvent.initEvent(type, true, true)
    Anot.mix(hackEvent, opts)
    elem.dispatchEvent(hackEvent)
  }

  Anot.each(
    {
      scrollLeft: 'pageXOffset',
      scrollTop: 'pageYOffset'
    },
    function(method, prop) {
      Anot.fn[method] = function(val) {
        var node = this[0] || {},
          win = getWindow(node),
          top = method === 'scrollTop'
        if (!arguments.length) {
          return win ? win[prop] : node[method]
        } else {
          if (win) {
            win.scrollTo(!top ? val : win[prop], top ? val : win[prop])
          } else {
            node[method] = val
          }
        }
      }
    }
  )

  function getWindow(node) {
    return node.window && node.document
      ? node
      : node.nodeType === 9
        ? node.defaultView
        : false
  }

  //=============================css相关==================================

  var cssHooks = (Anot.cssHooks = createMap())
  var prefixes = ['', '-webkit-', '-moz-', '-ms-'] //去掉opera-15的支持
  var cssMap = {
    float: 'cssFloat'
  }

  Anot.cssNumber = oneObject(
    'animationIterationCount,animationIterationCount,columnCount,order,flex,flexGrow,flexShrink,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom'
  )

  Anot.cssName = function(name, host, camelCase) {
    if (cssMap[name]) {
      return cssMap[name]
    }
    host = host || root.style
    for (var i = 0, n = prefixes.length; i < n; i++) {
      camelCase = camelize(prefixes[i] + name)
      if (camelCase in host) {
        return (cssMap[name] = camelCase)
      }
    }
    return null
  }

  cssHooks['@:set'] = function(node, name, value) {
    node.style[name] = value
  }

  cssHooks['@:get'] = function(node, name) {
    if (!node || !node.style) {
      throw new Error('getComputedStyle要求传入一个节点 ' + node)
    }
    var ret,
      computed = getComputedStyle(node)
    if (computed) {
      ret = name === 'filter' ? computed.getPropertyValue(name) : computed[name]
      if (ret === '') {
        ret = node.style[name] //其他浏览器需要我们手动取内联样式
      }
    }
    return ret
  }
  cssHooks['opacity:get'] = function(node) {
    var ret = cssHooks['@:get'](node, 'opacity')
    return ret === '' ? '1' : ret
  }

  'top,left'.replace(rword, function(name) {
    cssHooks[name + ':get'] = function(node) {
      var computed = cssHooks['@:get'](node, name)
      return /px$/.test(computed)
        ? computed
        : Anot(node).position()[name] + 'px'
    }
  })

  var cssShow = {
    position: 'absolute',
    visibility: 'hidden',
    display: 'block'
  }
  var rdisplayswap = /^(none|table(?!-c[ea]).+)/
  function showHidden(node, array) {
    //http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html
    if (node.offsetWidth <= 0) {
      //opera.offsetWidth可能小于0
      var styles = getComputedStyle(node, null)
      if (rdisplayswap.test(styles['display'])) {
        var obj = {
          node: node
        }
        for (var name in cssShow) {
          obj[name] = styles[name]
          node.style[name] = cssShow[name]
        }
        array.push(obj)
      }
      var parent = node.parentNode
      if (parent && parent.nodeType === 1) {
        showHidden(parent, array)
      }
    }
  }

  'Width,Height'.replace(rword, function(name) {
    //fix 481
    var method = name.toLowerCase(),
      clientProp = 'client' + name,
      scrollProp = 'scroll' + name,
      offsetProp = 'offset' + name
    cssHooks[method + ':get'] = function(node, which, override) {
      var boxSizing = -4
      if (typeof override === 'number') {
        boxSizing = override
      }
      which = name === 'Width' ? ['Left', 'Right'] : ['Top', 'Bottom']
      var ret = node[offsetProp] // border-box 0
      if (boxSizing === 2) {
        // margin-box 2
        return (
          ret +
          Anot.css(node, 'margin' + which[0], true) +
          Anot.css(node, 'margin' + which[1], true)
        )
      }
      if (boxSizing < 0) {
        // padding-box  -2
        ret =
          ret -
          Anot.css(node, 'border' + which[0] + 'Width', true) -
          Anot.css(node, 'border' + which[1] + 'Width', true)
      }
      if (boxSizing === -4) {
        // content-box -4
        ret =
          ret -
          Anot.css(node, 'padding' + which[0], true) -
          Anot.css(node, 'padding' + which[1], true)
      }
      return ret
    }
    cssHooks[method + '&get'] = function(node) {
      var hidden = []
      showHidden(node, hidden)
      var val = cssHooks[method + ':get'](node)
      for (var i = 0, obj; (obj = hidden[i++]); ) {
        node = obj.node
        for (var n in obj) {
          if (typeof obj[n] === 'string') {
            node.style[n] = obj[n]
          }
        }
      }
      return val
    }
    Anot.fn[method] = function(value) {
      //会忽视其display
      var node = this[0]
      if (arguments.length === 0) {
        if (node.setTimeout) {
          //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替
          return node['inner' + name]
        }
        if (node.nodeType === 9) {
          //取得页面尺寸
          var doc = node.documentElement
          //FF chrome    html.scrollHeight< body.scrollHeight
          //IE 标准模式 : html.scrollHeight> body.scrollHeight
          //IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点？
          return Math.max(
            node.body[scrollProp],
            doc[scrollProp],
            node.body[offsetProp],
            doc[offsetProp],
            doc[clientProp]
          )
        }
        return cssHooks[method + '&get'](node)
      } else {
        return this.css(method, value)
      }
    }
    Anot.fn['inner' + name] = function() {
      return cssHooks[method + ':get'](this[0], void 0, -2)
    }
    Anot.fn['outer' + name] = function(includeMargin) {
      return cssHooks[method + ':get'](
        this[0],
        void 0,
        includeMargin === true ? 2 : 0
      )
    }
  })

  Anot.fn.offset = function() {
    //取得距离页面左右角的坐标
    var node = this[0]
    try {
      var rect = node.getBoundingClientRect()
      // Make sure element is not hidden (display: none) or disconnected
      // https://github.com/jquery/jquery/pull/2043/files#r23981494
      if (rect.width || rect.height || node.getClientRects().length) {
        var doc = node.ownerDocument
        var root = doc.documentElement
        var win = doc.defaultView
        return {
          top: rect.top + win.pageYOffset - root.clientTop,
          left: rect.left + win.pageXOffset - root.clientLeft
        }
      }
    } catch (e) {
      return {
        left: 0,
        top: 0
      }
    }
  }

  //=============================val相关=======================

  function getValType(elem) {
    var ret = elem.tagName.toLowerCase()
    return ret === 'input' && /checkbox|radio/.test(elem.type) ? 'checked' : ret
  }

  var valHooks = {
    'select:get': function(node, value) {
      var option,
        options = node.options,
        index = node.selectedIndex,
        one = node.type === 'select-one' || index < 0,
        values = one ? null : [],
        max = one ? index + 1 : options.length,
        i = index < 0 ? max : one ? index : 0
      for (; i < max; i++) {
        option = options[i]
        //旧式IE在reset后不会改变selected，需要改用i === index判定
        //我们过滤所有disabled的option元素，但在safari5下，如果设置select为disable，那么其所有孩子都disable
        //因此当一个元素为disable，需要检测其是否显式设置了disable及其父节点的disable情况
        if ((option.selected || i === index) && !option.disabled) {
          value = option.value
          if (one) {
            return value
          }
          //收集所有selected值组成数组返回
          values.push(value)
        }
      }
      return values
    },
    'select:set': function(node, values, optionSet) {
      values = [].concat(values) //强制转换为数组
      for (var i = 0, el; (el = node.options[i++]); ) {
        if ((el.selected = values.indexOf(el.value) > -1)) {
          optionSet = true
        }
      }
      if (!optionSet) {
        node.selectedIndex = -1
      }
    }
  }

  var keyMap = {}
  var keys = [
    'break,case,catch,continue,debugger,default,delete,do,else,false',
    'finally,for,function,if,in,instanceof,new,null,return,switch,this',
    'throw,true,try,typeof,var,void,while,with' /* 关键字*/,
    'abstract,boolean,byte,char,class,const,double,enum,export,extends',
    'final,float,goto,implements,import,int,interface,long,native',
    'package,private,protected,public,short,static,super,synchronized',
    'throws,transient,volatile' /*保留字*/,
    'arguments,let,yield,async,await,undefined'
  ].join(',')
  keys.replace(/\w+/g, function(a) {
    keyMap[a] = true
  })

  var ridentStart = /[a-z_$]/i
  var rwhiteSpace = /[\s\uFEFF\xA0]/
  function getIdent(input, lastIndex) {
    var result = []
    var subroutine = !!lastIndex
    lastIndex = lastIndex || 0
    //将表达式中的标识符抽取出来
    var state = 'unknown'
    var variable = ''
    for (var i = 0; i < input.length; i++) {
      var c = input.charAt(i)
      if (c === "'" || c === '"') {
        //字符串开始
        if (state === 'unknown') {
          state = c
        } else if (state === c) {
          //字符串结束
          state = 'unknown'
        }
      } else if (c === '\\') {
        if (state === "'" || state === '"') {
          i++
        }
      } else if (ridentStart.test(c)) {
        //碰到标识符
        if (state === 'unknown') {
          state = 'variable'
          variable = c
        } else if (state === 'maybePath') {
          variable = result.pop()
          variable += '.' + c
          state = 'variable'
        } else if (state === 'variable') {
          variable += c
        }
      } else if (/\w/.test(c)) {
        if (state === 'variable') {
          variable += c
        }
      } else if (c === '.') {
        if (state === 'variable') {
          if (variable) {
            result.push(variable)
            variable = ''
            state = 'maybePath'
          }
        }
      } else if (c === '[') {
        if (state === 'variable' || state === 'maybePath') {
          if (variable) {
            //如果前面存在变量,收集它
            result.push(variable)
            variable = ''
          }
          var lastLength = result.length
          var last = result[lastLength - 1]
          var innerResult = getIdent(input.slice(i), i)
          if (innerResult.length) {
            //如果括号中存在变量,那么这里添加通配符
            result[lastLength - 1] = last + '.*'
            result = innerResult.concat(result)
          } else {
            //如果括号中的东西是确定的,直接转换为其子属性
            var content = input.slice(i + 1, innerResult.i)
            try {
              var text = scpCompile(['return ' + content])()
              result[lastLength - 1] = last + '.' + text
            } catch (e) {}
          }
          state = 'maybePath' //]后面可能还接东西
          i = innerResult.i
        }
      } else if (c === ']') {
        if (subroutine) {
          result.i = i + lastIndex
          addVar(result, variable)
          return result
        }
      } else if (rwhiteSpace.test(c) && c !== '\r' && c !== '\n') {
        if (state === 'variable') {
          if (addVar(result, variable)) {
            state = 'maybePath' // aaa . bbb 这样的情况
          }
          variable = ''
        }
      } else {
        addVar(result, variable)
        state = 'unknown'
        variable = ''
      }
    }
    addVar(result, variable)
    return result
  }

  function addVar(array, element) {
    if (element && !keyMap[element]) {
      array.push(element)
      return true
    }
  }

  function addAssign(vars, vmodel, name, binding) {
    var ret = []
    var prefix = ' = ' + name + '.'
    for (var i = vars.length, prop; (prop = vars[--i]); ) {
      var arr = prop.split('.')
      var first = arr[0]

      if (vmodel.hasOwnProperty(first)) {
        // log(first, prop, prefix, vmodel)
        ret.push(first + prefix + first)
        binding.observers.push({
          v: vmodel,
          p: prop,
          type: Anot.type(vmodel[first])
        })
        vars.splice(i, 1)
      }
    }
    return ret
  }

  var rproxy = /(\$proxy\$[a-z]+)\-[\-0-9a-f]+$/
  var variablePool = new Cache(218)
  //缓存求值函数，以便多次利用
  var evaluatorPool = new Cache(128)

  function getVars(expr) {
    expr = expr.trim()
    var ret = variablePool.get(expr)
    if (ret) {
      return ret.concat()
    }
    var array = getIdent(expr)
    var uniq = {}
    var result = []
    for (var i = 0, el; (el = array[i++]); ) {
      if (!uniq[el]) {
        uniq[el] = 1
        result.push(el)
      }
    }
    return variablePool.put(expr, result).concat()
  }

  function parseExpr(expr, vmodels, binding) {
    var filters = binding.filters
    if (typeof filters === 'string' && filters.trim() && !binding._filters) {
      binding._filters = parseFilter(filters.trim())
    }

    var vars = getVars(expr)
    var expose = new Date() - 0
    var assigns = []
    var names = []
    var args = []
    binding.observers = []

    for (var i = 0, sn = vmodels.length; i < sn; i++) {
      if (vars.length) {
        var name = 'vm' + expose + '_' + i
        names.push(name)
        args.push(vmodels[i])
        assigns.push.apply(assigns, addAssign(vars, vmodels[i], name, binding))
      }
    }
    binding.args = args
    var dataType = binding.type
    var exprId =
      vmodels.map(function(el) {
        return String(el.$id).replace(rproxy, '$1')
      }) +
      expr +
      dataType
    // log(expr, '---------------', assigns)
    var getter = evaluatorPool.get(exprId) //直接从缓存，免得重复生成
    if (getter) {
      if (dataType === 'duplex') {
        var setter = evaluatorPool.get(exprId + 'setter')
        binding.setter = setter.apply(setter, binding.args)
      }
      return (binding.getter = getter)
    }

    // expr的字段不可枚举时,补上一个随机变量, 避免抛出异常
    if (!assigns.length) {
      assigns.push('fix' + expose)
    }

    if (dataType === 'duplex') {
      var nameOne = {}
      assigns.forEach(function(a) {
        var arr = a.split('=')
        nameOne[arr[0].trim()] = arr[1].trim()
      })
      expr = expr.replace(/[\$\w]+/, function(a) {
        return nameOne[a] ? nameOne[a] : a
      })
      /* jshint ignore:start */
      var fn2 = scpCompile(
        names.concat(
          '"use strict";\n  return function(vvv){' + expr + ' = vvv\n}\n'
        )
      )
      /* jshint ignore:end */
      evaluatorPool.put(exprId + 'setter', fn2)
      binding.setter = fn2.apply(fn2, binding.args)
    }

    if (dataType === 'on') {
      //事件绑定
      if (expr.indexOf('(') === -1) {
        expr += '.call(' + names[names.length - 1] + ', $event)'
      } else {
        expr = expr.replace('(', '.call(' + names[names.length - 1] + ', ')
      }
      names.push('$event')
      expr = '\nreturn ' + expr + ';' //IE全家 Function("return ")出错，需要Function("return ;")
      var lastIndex = expr.lastIndexOf('\nreturn')
      var header = expr.slice(0, lastIndex)
      var footer = expr.slice(lastIndex)
      expr = header + '\n' + footer
    } else {
      // 对于非事件绑定的方法, 同样绑定到vm上
      binding.observers.forEach(function(it) {
        if (it.type === 'function') {
          // log(it, expr)
          var reg = new RegExp(it.p + '\\(([^)]*)\\)', 'g')
          expr = expr.replace(reg, function(s, m) {
            m = m.trim()
            return (
              it.p +
              '.call(' +
              names[names.length - 1] +
              (m ? ', ' + m : '') +
              ')'
            )
          })
        }
      })
      expr = '\nreturn ' + expr + ';' //IE全家 Function("return ")出错，需要Function("return ;")
    }

    /* jshint ignore:start */
    getter = scpCompile(
      names.concat(
        "'use strict';\ntry{\n  var " +
          assigns.join(',\n  ') +
          expr +
          '\n}catch(e){console.log(e)}'
      )
    )
    /* jshint ignore:end */

    return evaluatorPool.put(exprId, getter)
  }

  function normalizeExpr(code) {
    var hasExpr = rexpr.test(code) //比如:class="width{{w}}"的情况
    if (hasExpr) {
      var array = scanExpr(code)
      if (array.length === 1) {
        return array[0].expr
      }
      return array
        .map(function(el) {
          return el.type ? '(' + el.expr + ')' : quote(el.expr)
        })
        .join(' + ')
    } else {
      return code
    }
  }

  Anot.normalizeExpr = normalizeExpr
  Anot.parseExprProxy = parseExpr

  var rthimRightParentheses = /\)\s*$/
  var rthimOtherParentheses = /\)\s*\|/g
  var rquoteFilterName = /\|\s*([$\w]+)/g
  var rpatchBracket = /"\s*\["/g
  var rthimLeftParentheses = /"\s*\(/g
  function parseFilter(filters) {
    filters =
      filters
        .replace(rthimRightParentheses, '') //处理最后的小括号
        .replace(rthimOtherParentheses, function() {
          //处理其他小括号
          return '],|'
        })
        .replace(rquoteFilterName, function(a, b) {
          //处理|及它后面的过滤器的名字
          return '[' + quote(b)
        })
        .replace(rpatchBracket, function() {
          return '"],["'
        })
        .replace(rthimLeftParentheses, function() {
          return '",'
        }) + ']'
    /* jshint ignore:start */
    return scpCompile(['return [' + filters + ']'])()
    /* jshint ignore:end */
  }

  /*********************************************************************
   *                          编译系统                                  *
   **********************************************************************/

  var quote = JSON.stringify

  /*********************************************************************
   *                           扫描系统                                 *
   **********************************************************************/

  //http://www.w3.org/TR/html5/syntax.html#void-elements
  var stopScan = oneObject(
    'area,base,basefont,br,col,command,embed,hr,img,input,link,meta,param,source,track,wbr,noscript,script,style,textarea'.toUpperCase()
  )

  function checkScan(elem, callback, innerHTML) {
    var id = setTimeout(function() {
      var currHTML = elem.innerHTML
      clearTimeout(id)
      if (currHTML === innerHTML) {
        callback()
      } else {
        checkScan(elem, callback, currHTML)
      }
    })
  }

  function createSignalTower(elem, vmodel) {
    elem.anotctrl = elem.anotctrl || vmodel.$id
  }

  function getBindingCallback(elem, name, vmodels) {
    var callback = elem.getAttribute(name)
    if (callback) {
      for (var i = 0, vm; (vm = vmodels[i++]); ) {
        if (vm.hasOwnProperty(callback) && typeof vm[callback] === 'function') {
          return vm[callback]
        }
      }
    }
  }

  function executeBindings(bindings, vmodels) {
    for (var i = 0, binding; (binding = bindings[i++]); ) {
      binding.vmodels = vmodels
      directives[binding.type].init(binding)

      Anot.injectBinding(binding)
      if (binding.getter && binding.element.nodeType === 1) {
        //移除数据绑定，防止被二次解析
        //chrome使用removeAttributeNode移除不存在的特性节点时会报错
        binding.element.removeAttribute(binding.name)
      }
    }
    bindings.length = 0
  }

  //https://github.com/RubyLouvre/Anot/issues/636
  var mergeTextNodes =
    IEVersion && window.MutationObserver
      ? function(elem) {
          var node = elem.firstChild,
            text
          while (node) {
            var aaa = node.nextSibling
            if (node.nodeType === 3) {
              if (text) {
                text.nodeValue += node.nodeValue
                elem.removeChild(node)
              } else {
                text = node
              }
            } else {
              text = null
            }
            node = aaa
          }
        }
      : 0
  var roneTime = /^\s*::/
  var rmsAttr = /:(\w+)-?(.*)/

  var events = oneObject(
    'animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit'
  )
  var obsoleteAttrs = oneObject(
    'value,title,alt,checked,selected,disabled,readonly,enabled,href,src'
  )
  function bindingSorter(a, b) {
    return a.priority - b.priority
  }

  var rnoCollect = /^(:\S+|data-\S+|on[a-z]+|id|style|class)$/
  var ronattr = '__fn__'
  function getOptionsFromTag(elem, vmodels) {
    var attributes = elem.attributes
    var ret = {}
    for (var i = 0, attr; (attr = attributes[i++]); ) {
      var name = attr.name
      if (attr.specified && !rnoCollect.test(name)) {
        if (name.indexOf(ronattr) === 0) {
          name = attr.value.slice(6)
          ret[name] = elem[attr.value]
          delete elem[attr.value]
        } else {
          var camelizeName = camelize(name)
          if (camelizeName.indexOf('@') === 0) {
            camelizeName = camelizeName.slice(1)
            var vm = vmodels[0]
            if (
              vm &&
              vm.hasOwnProperty(attr.value) &&
              typeof vm[attr.value] === 'function'
            ) {
              ret[camelizeName] = vm[attr.value].bind(vm)
            }
          } else {
            ret[camelizeName] = parseData(attr.value)
          }
        }
      }
    }
    return ret
  }

  function scanAttr(elem, vmodels, match) {
    var scanNode = true
    if (vmodels.length) {
      var attributes = elem.attributes
      var bindings = []
      var uniq = {}
      for (var i = 0, attr; (attr = attributes[i++]); ) {
        var name = attr.name
        if (uniq[name]) {
          //IE8下:repeat,:with BUG
          continue
        }
        uniq[name] = 1
        if (attr.specified) {
          if ((match = name.match(rmsAttr))) {
            //如果是以指定前缀命名的
            var type = match[1]
            var param = match[2] || ''
            var value = attr.value
            if (events[type]) {
              param = type
              type = 'on'
            }
            if (directives[type]) {
              var newValue = value.replace(roneTime, '')
              var oneTime = value !== newValue
              var binding = {
                type: type,
                param: param,
                element: elem,
                name: name,
                expr: newValue,
                oneTime: oneTime,
                uuid: '_' + ++bindingID,
                priority:
                  (directives[type].priority || type.charCodeAt(0) * 10) +
                  (Number(param.replace(/\D/g, '')) || 0)
              }
              if (type === 'html' || type === 'text' || type === 'attr') {
                var filters = getToken(value).filters
                binding.expr = binding.expr.replace(filters, '')
                binding.filters = filters
                  .replace(rhasHtml, function() {
                    binding.type = 'html'
                    binding.group = 1
                    return ''
                  })
                  .trim() // jshint ignore:line
              } else if (type === 'duplex') {
                var hasDuplex = name
              } else if (name === ':if-loop') {
                binding.priority += 100
              } else if (name === ':attr-value') {
                var hasAttrValue = name
              }
              bindings.push(binding)
            }
          }
        }
      }
      if (bindings.length) {
        bindings.sort(bindingSorter)

        if (hasDuplex && hasAttrValue && elem.type === 'text') {
          log('warning!一个控件不能同时定义:attr-value与' + hasDuplex)
        }

        for (i = 0; (binding = bindings[i]); i++) {
          type = binding.type
          if (rnoscanAttrBinding.test(type)) {
            return executeBindings(bindings.slice(0, i + 1), vmodels)
          } else if (scanNode) {
            scanNode = !rnoscanNodeBinding.test(type)
          }
        }
        executeBindings(bindings, vmodels)
      }
    }
    if (
      scanNode &&
      !stopScan[elem.tagName] &&
      (isWidget(elem) ? elem.msResolved : 1)
    ) {
      mergeTextNodes && mergeTextNodes(elem)
      scanNodeList(elem, vmodels) //扫描子孙元素
    }
  }

  var rnoscanAttrBinding = /^if|widget|repeat$/
  var rnoscanNodeBinding = /^html|include$/

  function scanNodeList(elem, vmodels) {
    var nodes = Anot.slice(elem.childNodes)
    scanNodeArray(nodes, vmodels)
  }

  function scanNodeArray(nodes, vmodels) {
    function _delay_component(name) {
      setTimeout(function() {
        Anot.component(name)
      })
    }
    for (var i = 0, node; (node = nodes[i++]); ) {
      switch (node.nodeType) {
        case 1:
          var elem = node
          if (
            !elem.msResolved &&
            elem.parentNode &&
            elem.parentNode.nodeType === 1
          ) {
            var widget = isWidget(elem)

            if (widget) {
              componentQueue.push({
                element: elem,
                vmodels: vmodels,
                name: widget
              })
              if (Anot.components[widget]) {
                // log(widget, Anot.components)
                //确保所有:attr-name扫描完再处理
                _delay_component(widget)
              }
            } else {
              // 非组件才检查 ref属性
              var ref = isRef(elem)
              if (ref) {
                vmodels[0].$refs[ref] = elem
              }
            }
          }

          scanTag(node, vmodels) //扫描元素节点

          if (node.msHasEvent) {
            Anot.fireDom(node, 'datasetchanged', {
              bubble: node.msHasEvent
            })
          }

          break
        case 3:
          if (rexpr.test(node.nodeValue)) {
            scanText(node, vmodels, i) //扫描文本节点
          }
          break
      }
    }
  }

  function scanTag(elem, vmodels, node) {
    //扫描顺序  skip(0) --> anot(1) --> :if(10) --> :repeat(90)
    //--> :if-loop(110) --> :attr(970) ...--> :duplex(2000)垫后
    var skip = elem.getAttribute('skip')
    node = elem.getAttributeNode('anot')
    var vm = vmodels.concat()
    if (typeof skip === 'string') {
      return
    } else if (node) {
      var newVmodel = Anot.vmodels[node.value]
      var attrs = aslice.call(elem.attributes, 0)

      if (!newVmodel) {
        return
      }

      vm = [newVmodel]

      elem.removeAttribute(node.name) //removeAttributeNode不会刷新xx[anot]样式规则
      createSignalTower(elem, newVmodel)
      hideProperty(newVmodel, '$elem', elem)
      if (vmodels.length) {
        var props = {}
        attrs.forEach(function(attr) {
          if (/^:/.test(attr.name)) {
            var name = attr.name.match(rmsAttr)[1]
            var value = null
            if (!name || Anot.directives[name] || events[name]) {
              return
            }
            try {
              value = parseExpr(attr.value, vmodels, {}).apply(0, vmodels)
              value = toJson(value)
              elem.removeAttribute(attr.name)
              props[name] = value
            } catch (error) {
              log(
                'Props parse faild on (%s[class=%s]),',
                elem.nodeName,
                elem.className,
                attr,
                error + ''
              )
            }
          }
        })
        // 一旦设定了 props的类型, 就必须传入正确的值
        for (var k in newVmodel.props) {
          if (newVmodel.props[k] && newVmodel.props[k].type === 'PropsTypes') {
            if (newVmodel.props[k].check(props[k])) {
              newVmodel.props[k] = props[k]
              delete props[k]
            } else {
              console.error(
                new TypeError(
                  'props.' +
                    k +
                    ' needs [' +
                    newVmodel.props[k].checkType +
                    '], but [' +
                    newVmodel.props[k].result +
                    '] given.'
                )
              )
            }
          }
        }
        Object.assign(newVmodel.props, props)
        props = undefined
      }
    }
    scanAttr(elem, vm) //扫描特性节点

    if (newVmodel) {
      setTimeout(function() {
        if (typeof newVmodel.$mounted === 'function') {
          newVmodel.$mounted()
        }
        delete newVmodel.$mounted
      })
    }
  }
  var rhasHtml = /\|\s*html(?:\b|$)/,
    r11a = /\|\|/g,
    rlt = /&lt;/g,
    rgt = /&gt;/g,
    rstringLiteral = /(['"])(\\\1|.)+?\1/g,
    rline = /\r?\n/g
  function getToken(value) {
    if (value.indexOf('|') > 0) {
      var scapegoat = value.replace(rstringLiteral, function(_) {
        return Array(_.length + 1).join('1') // jshint ignore:line
      })
      var index = scapegoat.replace(r11a, '\u1122\u3344').indexOf('|') //干掉所有短路或
      if (index > -1) {
        return {
          type: 'text',
          filters: value.slice(index).trim(),
          expr: value.slice(0, index)
        }
      }
    }
    return {
      type: 'text',
      expr: value,
      filters: ''
    }
  }

  function scanExpr(str) {
    var tokens = [],
      value,
      start = 0,
      stop
    do {
      stop = str.indexOf(openTag, start)
      if (stop === -1) {
        break
      }
      value = str.slice(start, stop)
      if (value) {
        // {{ 左边的文本
        tokens.push({
          expr: value
        })
      }
      start = stop + openTag.length
      stop = str.indexOf(closeTag, start)
      if (stop === -1) {
        break
      }
      value = str.slice(start, stop)
      if (value) {
        //处理{{ }}插值表达式
        tokens.push(getToken(value.replace(rline, '')))
      }
      start = stop + closeTag.length
    } while (1)
    value = str.slice(start)
    if (value) {
      //}} 右边的文本
      tokens.push({
        expr: value
      })
    }
    return tokens
  }

  function scanText(textNode, vmodels, index) {
    var bindings = [],
      tokens = scanExpr(textNode.data)
    if (tokens.length) {
      for (var i = 0, token; (token = tokens[i++]); ) {
        var node = DOC.createTextNode(token.expr) //将文本转换为文本节点，并替换原来的文本节点
        if (token.type) {
          token.expr = token.expr.replace(roneTime, function() {
            token.oneTime = true
            return ''
          }) // jshint ignore:line
          token.element = node
          token.filters = token.filters.replace(rhasHtml, function() {
            token.type = 'html'
            return ''
          }) // jshint ignore:line
          token.pos = index * 1000 + i
          bindings.push(token) //收集带有插值表达式的文本
        }
        anotFragment.appendChild(node)
      }
      textNode.parentNode.replaceChild(anotFragment, textNode)
      if (bindings.length) executeBindings(bindings, vmodels)
    }
  }

  //使用来自游戏界的双缓冲技术,减少对视图的冗余刷新
  var Buffer = function() {
    this.queue = []
  }
  Buffer.prototype = {
    render: function(isAnimate) {
      if (!this.locked) {
        this.locked = isAnimate ? root.offsetHeight + 10 : 1
        var me = this
        Anot.nextTick(function() {
          me.flush()
        })
      }
    },
    flush: function() {
      for (var i = 0, sub; (sub = this.queue[i++]); ) {
        sub.update && sub.update()
      }
      this.locked = 0
      this.queue = []
    }
  }

  var buffer = new Buffer()

  var componentQueue = []
  var widgetList = []
  var componentHooks = {
    construct: noop,
    componentWillMount: noop,
    componentDidMount: noop,
    childComponentDidMount: noop,
    componentWillUnmount: noop,
    render: function() {
      return null
    }
  }

  function parseSlot(collections) {
    var arr = aslice.call(collections, 0)
    var obj = {}
    arr.forEach(function(elem) {
      var slot = elem.getAttribute('slot')
      if (slot) {
        elem.removeAttribute('slot')
        obj[slot] = elem.outerHTML
      }
    })
    return obj
  }

  Anot.components = {}
  Anot.component = function(name, opts) {
    if (opts) {
      Anot.components[name] = Anot.mix({}, componentHooks, opts)
    }
    for (var i = 0, obj; (obj = componentQueue[i]); i++) {
      if (name === obj.name) {
        componentQueue.splice(i, 1)
        i--
        // (obj, Anot.components[name], obj.element, obj.name)
        ;(function(host, hooks, elem, widget) {
          //如果elem已从Document里移除,直接返回
          if (!Anot.contains(DOC, elem) || elem.msResolved) {
            Anot.Array.remove(componentQueue, host)
            return
          }

          var dependencies = 1
          var globalHooks = componentHooks

          //===========收集各种配置=======
          if (elem.getAttribute(':attr-uuid')) {
            //如果还没有解析完,就延迟一下 #1155
            return
          }
          var props = getOptionsFromTag(elem, host.vmodels)
          var $id = props.uuid || generateID(widget)
          var __willpush__ = null

          if (props.hasOwnProperty('hostPush')) {
            elem.removeAttribute('host-push')
            __willpush__ = props.hostPush
            props.hostPush = host.vmodels[0][__willpush__]
          }

          delete props.uuid
          delete props.name

          hooks.props = hooks.props || {}
          hooks.state = hooks.state || {}

          Object.assign(hooks.props, props)

          hooks.construct.call(elem, hooks.props, hooks.state)

          hooks.$id = $id

          //==========构建VM=========
          var {
            componentWillMount,
            componentDidMount,
            childComponentDidMount,
            componentWillUnmount,
            render
          } = hooks

          delete hooks.construct
          delete hooks.componentWillMount
          delete hooks.componentDidMount
          delete hooks.childComponentDidMount
          delete hooks.componentWillUnmount

          var vmodel = Anot(hooks)
          delete vmodel.$mounted
          host.vmodels[0].$children.push(vmodel)

          elem.msResolved = 1 //防止二进扫描此元素

          if (__willpush__) {
            hideProperty(vmodel, '$push', function(val) {
              host.vmodels[0][__willpush__] = val
            })
          }

          componentWillMount.call(vmodel)
          globalHooks.componentWillMount.call(null, vmodel)

          var slots = null
          var isTemplate = true

          if (elem.content) {
            if (elem.content.firstElementChild) {
              slots = parseSlot(elem.content.children)
            }
          } else {
            isTemplate = false
            if (elem.firstElementChild) {
              slots = parseSlot(elem.children)
            }
          }

          Anot.clearHTML(elem)
          var html = render.call(vmodel, slots) || ''

          html = html.replace(/<\w+[^>]*>/g, function(m, s) {
            return m.replace(/[\n\t\s]{1,}/g, ' ')
          })

          elem.innerHTML = html

          if (isTemplate) {
            // 组件所使用的标签是template,所以必须要要用子元素替换掉
            var child = elem.content.firstElementChild
            var nullComponent = DOC.createComment('empty component')
            elem.parentNode.replaceChild(child || nullComponent, elem)

            // 空组件直接跳出
            if (!child) {
              return
            }

            child.msResolved = 1
            var cssText = elem.style.cssText
            var className = elem.className
            elem = host.element = child
            elem.style && (elem.style.cssText += ';' + cssText)
            if (className) {
              Anot(elem).addClass(className)
            }
          }

          hideProperty(vmodel, '$elem', elem)

          Anot.fireDom(elem, 'datasetchanged', {
            vm: vmodel,
            childReady: 1
          })
          var children = 0
          var removeFn = Anot.bind(elem, 'datasetchanged', function(ev) {
            if (ev.childReady) {
              dependencies += ev.childReady
              if (vmodel !== ev.vm) {
                vmodel.$children.push(ev.vm)
                ev.vm.$up = vmodel
                if (ev.childReady === -1) {
                  children++
                  childComponentDidMount.call(vmodel, ev.vm)
                }
                ev.stopPropagation()
              }
            }
            if (dependencies === 0) {
              var timer = setTimeout(function() {
                clearTimeout(timer)
                componentDidMount.call(vmodel)
                globalHooks.componentDidMount(null, vmodel)
              }, children ? Math.max(children * 17, 100) : 17)

              Anot.unbind(elem, 'datasetchanged', removeFn)
              //==================
              host.rollback = function() {
                try {
                  componentWillUnmount.call(vmodel)
                  globalHooks.componentWillUnmount.call(null, vmodel)
                } catch (e) {}
                delete Anot.vmodels[vmodel.$id]
              }
              injectDisposeQueue(host, widgetList)
              if (window.chrome) {
                elem.addEventListener('DOMNodeRemovedFromDocument', function() {
                  setTimeout(rejectDisposeQueue)
                })
              }
            }
          })
          scanTag(elem, [vmodel])
          Anot.vmodels[vmodel.$id] = vmodel
          if (!elem.childNodes.length) {
            Anot.fireDom(elem, 'datasetchanged', {
              vm: vmodel,
              childReady: -1
            })
          } else {
            var id2 = setTimeout(function() {
              clearTimeout(id2)
              Anot.fireDom(elem, 'datasetchanged', {
                vm: vmodel,
                childReady: -1
              })
            }, 17)
          }
        })(obj, toJson(Anot.components[name]), obj.element, obj.name) // jshint ignore:line
      }
    }
  }

  function isWidget(el) {
    //如果是组件,则返回组件的名字
    var name = el.nodeName.toLowerCase()
    if (name === 'template' && el.getAttribute('name')) {
      return el.getAttribute('name')
    }
    if (/^anot-([a-z][a-z0-9\-]*)$/.test(name)) {
      return RegExp.$1
    }
    return null
  }

  function isRef(el) {
    return el.hasAttribute('ref') ? el.getAttribute('ref') : null
  }

  var bools = [
    'autofocus,autoplay,async,allowTransparency,checked,controls',
    'declare,disabled,defer,defaultChecked,defaultSelected',
    'contentEditable,isMap,loop,multiple,noHref,noResize,noShade',
    'open,readOnly,selected'
  ].join(',')
  var boolMap = {}
  bools.replace(rword, function(name) {
    boolMap[name.toLowerCase()] = name
  })

  var propMap = {
    //属性名映射
    'accept-charset': 'acceptCharset',
    char: 'ch',
    charoff: 'chOff',
    class: 'className',
    for: 'htmlFor',
    'http-equiv': 'httpEquiv'
  }

  var anomaly = [
    'accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan',
    'dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight',
    'rowSpan,tabIndex,useMap,vSpace,valueType,vAlign'
  ].join(',')
  anomaly.replace(rword, function(name) {
    propMap[name.toLowerCase()] = name
  })

  var attrDir = Anot.directive('attr', {
    init: function(binding) {
      //{{aaa}} --> aaa
      //{{aaa}}/bbb.html --> (aaa) + "/bbb.html"
      binding.expr = normalizeExpr(binding.expr.trim())
      if (binding.type === 'include') {
        var elem = binding.element
        effectBinding(elem, binding)
        binding.includeRendered = getBindingCallback(
          elem,
          'data-include-rendered',
          binding.vmodels
        )
        binding.includeLoaded = getBindingCallback(
          elem,
          'data-include-loaded',
          binding.vmodels
        )
        var outer = (binding.includeReplace = !!Anot(elem).data(
          'includeReplace'
        ))
        if (Anot(elem).data('includeCache')) {
          binding.templateCache = {}
        }
        binding.start = DOC.createComment(':include')
        binding.end = DOC.createComment(':include-end')
        if (outer) {
          binding.element = binding.end
          binding._element = elem
          elem.parentNode.insertBefore(binding.start, elem)
          elem.parentNode.insertBefore(binding.end, elem.nextSibling)
        } else {
          elem.insertBefore(binding.start, elem.firstChild)
          elem.appendChild(binding.end)
        }
      }
    },
    update: function(val) {
      var elem = this.element
      var obj = val
      var vm = this.vmodels[0]

      if (typeof obj === 'object' && obj !== null) {
        if (!Anot.isPlainObject(obj)) {
          obj = obj.$model
        }
      } else {
        if (!this.param) {
          return
        }

        obj = {}
        obj[this.param] = val
      }

      for (var i in obj) {
        if (i === 'style') {
          console.error('设置style样式, 请改用 :css指令')
          continue
        }
        // 通过属性设置回调,必须以@符号开头
        if (i.indexOf('@') === 0) {
          if (typeof obj[i] !== 'function') {
            continue
          }
        }
        if (i === 'href' || i === 'src') {
          //处理IE67自动转义的问题
          if (!root.hasAttribute) obj[i] = obj[i].replace(/&amp;/g, '&')

          elem[i] = obj[i]

          //chrome v37- 下embed标签动态设置的src，无法发起请求
          if (window.chrome && elem.tagName === 'EMBED') {
            var parent = elem.parentNode
            var com = DOC.createComment(':src')
            parent.replaceChild(com, elem)
            parent.replaceChild(elem, com)
          }
        } else {
          var k = i
          //古董IE下，部分属性名字要进行映射
          if (!W3C && propMap[k]) {
            k = propMap[k]
          }
          if (obj[i] === false || obj[i] === null || obj[i] === undefined) {
            obj[i] = ''
          }

          if (typeof elem[boolMap[k]] === 'boolean') {
            //布尔属性必须使用el.xxx = true|false方式设值
            elem[boolMap[k]] = !!obj[i]

            //如果为false, IE全系列下相当于setAttribute(xxx, ''),会影响到样式,需要进一步处理
            if (!obj[i]) {
              obj[i] = !!obj[i]
            }
            if (obj[i] === false) {
              return elem.removeAttribute(k)
            }
          }

          //SVG只能使用setAttribute(xxx, yyy), VML只能使用elem.xxx = yyy ,HTML的固有属性必须elem.xxx = yyy
          var isInnate = rsvg.test(elem)
            ? false
            : DOC.namespaces && isVML(elem)
              ? true
              : k in elem.cloneNode(false)
          if (isInnate) {
            elem[k] = obj[i]
          } else {
            if (typeof obj[i] === 'object') {
              obj[i] = JSON.stringify(obj[i])
            } else if (typeof obj[i] === 'function') {
              k = ronattr + camelize(k.slice(1))
              elem[k] = obj[i].bind(vm)
              obj[i] = k
            }
            elem.setAttribute(k, obj[i])
          }
        }
      }
    }
  })

  //这几个指令都可以使用插值表达式，如:src="aaa/{{b}}/{{c}}.html"
  'css,include,data'.replace(rword, function(name) {
    directives[name] = attrDir
  })

  //类名定义， :class="xx:yy"  :class="{xx: yy}" :class="xx" :class="{{xx}}"
  Anot.directive('class', {
    init: function(binding) {
      var expr = []
      if (!/^\{.*\}$/.test(binding.expr)) {
        expr = binding.expr.split(':')
        expr[1] = (expr[1] && expr[1].trim()) || 'true'
        var arr = expr[0].split(/\s+/)
        binding.expr =
          '{' +
          arr
            .map(function(it) {
              return it + ': ' + expr[1]
            })
            .join(', ') +
          '}'
      } else if (/^\{\{.*\}\}$/.test(binding.expr)) {
        binding.expr = binding.expr.slice(2, -2)
      }

      if (binding.type === 'hover' || binding.type === 'active') {
        //确保只绑定一次
        if (!binding.hasBindEvent) {
          var elem = binding.element
          var $elem = Anot(elem)
          var activate = 'mouseenter' //在移出移入时切换类名
          var abandon = 'mouseleave'
          if (binding.type === 'active') {
            //在聚焦失焦中切换类名
            elem.tabIndex = elem.tabIndex || -1
            activate = 'mousedown'
            abandon = 'mouseup'
            var fn0 = $elem.bind('mouseleave', function() {
              $elem.removeClass(expr[0])
            })
          }
        }

        var fn1 = $elem.bind(activate, function() {
          $elem.addClass(expr[0])
        })
        var fn2 = $elem.bind(abandon, function() {
          $elem.removeClass(expr[0])
        })
        binding.rollback = function() {
          $elem.unbind('mouseleave', fn0)
          $elem.unbind(activate, fn1)
          $elem.unbind(abandon, fn2)
        }
        binding.hasBindEvent = true
      }
    },
    update: function(val) {
      if (this.type !== 'class') {
        return
      }
      var obj = val
      if (!obj || this.param)
        return log(
          'class指令语法错误 %c %s="%s"',
          'color:#f00',
          this.name,
          this.expr
        )

      if (typeof obj === 'string') {
        obj = {}
        obj[val] = true
      }

      if (!Anot.isPlainObject(obj)) {
        obj = obj.$model
      }

      var $elem = Anot(this.element)
      for (var i in obj) {
        $elem.toggleClass(i, !!obj[i])
      }
    }
  })

  'hover,active'.replace(rword, function(name) {
    directives[name] = directives['class']
  })

  //样式定义 :css-width="200"
  //:css="{width: 200}"
  Anot.directive('css', {
    init: directives.attr.init,
    update: function(val) {
      var $elem = Anot(this.element)
      if (!this.param) {
        var obj = val
        try {
          if (typeof val === 'object') {
            if (!Anot.isPlainObject(val)) obj = val.$model
          } else {
            obj = new Function('return ' + val)()
          }
          for (var i in obj) {
            $elem.css(i, obj[i])
          }
        } catch (err) {
          log('样式格式错误 %c %s="%s"', 'color:#f00', this.name, this.expr)
        }
      } else {
        $elem.css(this.param, val)
      }
    }
  })

  //兼容2种写法 :data-xx="yy", :data="{xx: yy}"
  Anot.directive('data', {
    priority: 100,
    update: function(val) {
      var obj = val
      if (typeof obj === 'object' && obj !== null) {
        if (!Anot.isPlainObject(obj)) obj = val.$model

        for (var i in obj) {
          this.element.setAttribute('data-' + i, obj[i])
        }
      } else {
        if (!this.param) return

        this.element.setAttribute('data-' + this.param, obj)
      }
    }
  })

  /*------ 表单验证 -------*/
  var __rules = {}
  Anot.validate = function(key, cb) {
    if (!__rules[key]) {
      throw new Error('validate [' + key + '] not exists.')
    }
    if (typeof cb === 'function') {
      __rules[key].event = cb
    }
    var result = __rules[key].result
    for (var k in result) {
      if (!result[k].passed) {
        return result[k]
      }
    }
    return true
  }
  Anot.directive('rule', {
    priority: 2010,
    init: function(binding) {
      if (binding.param && !__rules[binding.param]) {
        __rules[binding.param] = {
          event: noop,
          result: {}
        }
      }
      binding.target = __rules[binding.param]
    },
    update: function(opt) {
      var _this = this
      var elem = this.element
      if (!['INPUT', 'TEXTAREA'].includes(elem.nodeName)) {
        return
      }
      if (this.target) {
        this.target.result[elem.expr] = { key: elem.expr }
      }
      var target = this.target

      // 0: 验证通过
      // 10001: 不能为空
      // 10002: 必须为合法数字
      // 10003: Email格式错误
      // 10004: 手机格式错误
      // 10005: 必须为纯中文
      // 10006: 格式匹配错误(正则)
      // 10011: 输入值超过指定最大长度
      // 10012: 输入值短于指定最小长度
      // 10021: 输入值大于指定最大数值
      // 10022: 输入值小于指定最小数值
      // 10031: 与指定的表单的值不一致
      function checked(ev) {
        var val = elem.value
        var code = 0

        if (opt.require && (val === '' || val === null)) {
          code = 10001
        }

        if (code === 0 && opt.isNumeric) {
          code = !isFinite(val) ? 10002 : 0
        }

        if (code === 0 && opt.isEmail)
          code = !/^[\w\.\-]+@\w+([\.\-]\w+)*\.\w+$/.test(val) ? 10003 : 0

        if (code === 0 && opt.isPhone) {
          code = !/^1[34578]\d{9}$/.test(val) ? 10004 : 0
        }

        if (code === 0 && opt.isCN) {
          code = !/^[\u4e00-\u9fa5]+$/.test(val) ? 10005 : 0
        }

        if (code === 0 && opt.exp) {
          code = !opt.exp.test(val) ? 10006 : 0
        }

        if (code === 0 && opt.maxLen) {
          code = val.length > opt.maxLen ? 10011 : 0
        }

        if (code === 0 && opt.minLen) {
          code = val.length < opt.minLen ? 10012 : 0
        }

        if (code === 0 && opt.hasOwnProperty('max')) {
          code = val > opt.max ? 10021 : 0
        }

        if (code === 0 && opt.hasOwnProperty('min')) {
          code = val < opt.min ? 10022 : 0
        }

        if (code === 0 && opt.eq) {
          var eqEl = document.querySelector('#' + opt.eq)
          txt = val !== eqEl.value ? 10031 : 0
        }

        target.result[elem.expr].code = code
        target.result[elem.expr].passed = opt.require ? code === 0 : true

        var done
        for (var k in target.result) {
          if (!target.result[k].passed) {
            done = true
            target.event(target.result[k])
            break
          }
        }
        if (!done) {
          target.event(true)
        }
      }

      Anot(elem).bind('blur', checked)
      checked()
    }
  })

  //双工绑定
  var rduplexType = /^(?:checkbox|radio)$/
  var rduplexParam = /^(?:radio|checked)$/
  var rnoduplexInput = /^(file|button|reset|submit|checkbox|radio|range)$/
  var duplexBinding = Anot.directive('duplex', {
    priority: 2000,
    init: function(binding, hasCast) {
      var elem = binding.element
      var vmodels = binding.vmodels
      binding.changed =
        getBindingCallback(elem, 'data-duplex-changed', vmodels) || noop
      var params = []
      var casting = oneObject('string,number,boolean,checked')
      if (elem.type === 'radio' && binding.param === '') {
        binding.param = 'checked'
      }

      binding.param.replace(rw20g, function(name) {
        if (rduplexType.test(elem.type) && rduplexParam.test(name)) {
          name = 'checked'
          binding.isChecked = true
          binding.xtype = 'radio'
        }

        if (casting[name]) {
          hasCast = true
        }
        Anot.Array.ensure(params, name)
      })
      if (!hasCast) {
        params.push('string')
      }
      binding.param = params.join('-')
      if (!binding.xtype) {
        binding.xtype =
          elem.tagName === 'SELECT'
            ? 'select'
            : elem.type === 'checkbox'
              ? 'checkbox'
              : elem.type === 'radio'
                ? 'radio'
                : /^change/.test(elem.getAttribute('data-duplex-event'))
                  ? 'change'
                  : 'input'
      }
      elem.expr = binding.expr
      //===================绑定事件======================
      var bound = (binding.bound = function(type, callback) {
        elem.addEventListener(type, callback, false)
        var old = binding.rollback
        binding.rollback = function() {
          elem.anotSetter = null
          Anot.unbind(elem, type, callback)
          old && old()
        }
      })
      function callback(value) {
        binding.changed.call(this, value, binding)
      }
      var composing = false
      function compositionStart() {
        composing = true
      }
      function compositionEnd() {
        composing = false
        setTimeout(updateVModel)
      }
      var updateVModel = function(e) {
        var val = elem.value
        //防止递归调用形成死循环
        //处理中文输入法在minlengh下引发的BUG
        if (composing || val === binding.oldValue || binding.pipe === null) {
          return
        }

        var lastValue = binding.pipe(val, binding, 'get')
        binding.oldValue = val
        binding.setter(lastValue)

        callback.call(elem, lastValue)
        Anot.fireDom(elem, 'change')
      }
      switch (binding.xtype) {
        case 'radio':
          bound('click', function() {
            var lastValue = binding.pipe(elem.value, binding, 'get')
            binding.setter(lastValue)
            callback.call(elem, lastValue)
          })
          break
        case 'checkbox':
          bound('change', function() {
            var method = elem.checked ? 'ensure' : 'remove'
            var array = binding.getter.apply(0, binding.vmodels)
            if (!Array.isArray(array)) {
              log(':duplex应用于checkbox上要对应一个数组')
              array = [array]
            }
            var val = binding.pipe(elem.value, binding, 'get')
            Anot.Array[method](array, val)
            callback.call(elem, array)
          })
          break
        case 'change':
          bound('change', updateVModel)
          break
        case 'input':
          bound('input', updateVModel)
          bound('keyup', updateVModel)
          if (!IEVersion) {
            bound('compositionstart', compositionStart)
            bound('compositionend', compositionEnd)
            bound('DOMAutoComplete', updateVModel)
          }
          break
        case 'select':
          bound('change', function() {
            var val = Anot(elem).val() //字符串或字符串数组
            if (Array.isArray(val)) {
              val = val.map(function(v) {
                return binding.pipe(v, binding, 'get')
              })
            } else {
              val = binding.pipe(val, binding, 'get')
            }
            if (val + '' !== binding.oldValue) {
              try {
                binding.setter(val)
              } catch (ex) {
                log(ex)
              }
            }
          })
          bound('datasetchanged', function(e) {
            if (e.bubble === 'selectDuplex') {
              var value = binding._value
              var curValue = Array.isArray(value)
                ? value.map(String)
                : value + ''
              Anot(elem).val(curValue)
              elem.oldValue = curValue + ''
              callback.call(elem, curValue)
            }
          })
          break
      }
      if (binding.xtype === 'input' && !rnoduplexInput.test(elem.type)) {
        if (elem.type !== 'hidden') {
          bound('focus', function() {
            elem.msFocus = true
          })
          bound('blur', function() {
            elem.msFocus = false
          })
        }
        elem.anotSetter = updateVModel //#765
        watchValueInTimer(function() {
          if (root.contains(elem)) {
            if (!elem.msFocus) {
              updateVModel()
            }
          } else if (!elem.msRetain) {
            return false
          }
        })
      }
    },
    update: function(value) {
      var elem = this.element,
        binding = this,
        curValue
      if (!this.init) {
        for (var i in Anot.vmodels) {
          var v = Anot.vmodels[i]
          v.$fire('anot-duplex-init', binding)
        }
        var cpipe = binding.pipe || (binding.pipe = pipe)
        cpipe(null, binding, 'init')
        this.init = 1
      }
      switch (this.xtype) {
        case 'input':
          elem.value = value
          break
        case 'change':
          curValue = this.pipe(value, this, 'set') //fix #673
          if (curValue !== this.oldValue) {
            var fixCaret = false
            if (elem.msFocus) {
              try {
                var start = elem.selectionStart
                var end = elem.selectionEnd
                if (start === end) {
                  var pos = start
                  fixCaret = true
                }
              } catch (e) {}
            }
            elem.value = this.oldValue = curValue
            if (fixCaret && !elem.readOnly) {
              elem.selectionStart = elem.selectionEnd = pos
            }
          }
          break
        case 'radio':
          curValue = binding.isChecked ? !!value : value + '' === elem.value
          elem.checked = curValue
          break
        case 'checkbox':
          var array = [].concat(value) //强制转换为数组
          curValue = this.pipe(elem.value, this, 'get')
          elem.checked = array.indexOf(curValue) > -1
          break
        case 'select':
          //必须变成字符串后才能比较
          binding._value = value
          if (!elem.msHasEvent) {
            elem.msHasEvent = 'selectDuplex'
            //必须等到其孩子准备好才触发
          } else {
            Anot.fireDom(elem, 'datasetchanged', {
              bubble: elem.msHasEvent
            })
          }
          break
      }
    }
  })

  function fixNull(val) {
    return val == null ? '' : val
  }
  Anot.duplexHooks = {
    checked: {
      get: function(val, binding) {
        return !binding.oldValue
      }
    },
    string: {
      get: function(val) {
        //同步到VM
        return val
      },
      set: fixNull
    },
    boolean: {
      get: function(val) {
        return val === 'true'
      },
      set: fixNull
    },
    number: {
      get: function(val, binding) {
        var number = val - 0
        if (-val === -number) {
          return number
        }
        return 0
      },
      set: fixNull
    }
  }

  function pipe(val, binding, action, e) {
    binding.param.replace(rw20g, function(name) {
      var hook = Anot.duplexHooks[name]
      if (hook && typeof hook[action] === 'function') {
        val = hook[action](val, binding)
      }
    })
    return val
  }

  var TimerID,
    ribbon = []

  Anot.tick = function(fn) {
    if (ribbon.push(fn) === 1) {
      TimerID = setInterval(ticker, 60)
    }
  }

  function ticker() {
    for (var n = ribbon.length - 1; n >= 0; n--) {
      var el = ribbon[n]
      if (el() === false) {
        ribbon.splice(n, 1)
      }
    }
    if (!ribbon.length) {
      clearInterval(TimerID)
    }
  }

  var watchValueInTimer = noop
  new function() {
    // jshint ignore:line
    try {
      //#272 IE9-IE11, firefox
      var setters = {}
      var aproto = HTMLInputElement.prototype
      var bproto = HTMLTextAreaElement.prototype
      function newSetter(value) {
        // jshint ignore:line
        setters[this.tagName].call(this, value)
        if (!this.msFocus && this.anotSetter) {
          this.anotSetter()
        }
      }
      var inputProto = HTMLInputElement.prototype
      Object.getOwnPropertyNames(inputProto) //故意引发IE6-8等浏览器报错
      setters['INPUT'] = Object.getOwnPropertyDescriptor(aproto, 'value').set

      Object.defineProperty(aproto, 'value', {
        set: newSetter
      })
      setters['TEXTAREA'] = Object.getOwnPropertyDescriptor(bproto, 'value').set
      Object.defineProperty(bproto, 'value', {
        set: newSetter
      })
    } catch (e) {
      //在chrome 43中 :duplex终于不需要使用定时器实现双向绑定了
      // http://updates.html5rocks.com/2015/04/DOM-attributes-now-on-the-prototype
      // https://docs.google.com/document/d/1jwA8mtClwxI-QJuHT7872Z0pxpZz8PBkf2bGAbsUtqs/edit?pli=1
      watchValueInTimer = Anot.tick
    }
  }() // jshint ignore:line

  /*-------------动画------------*/

  Anot.directive('effect', {
    priority: 5,
    init: function(binding) {
      var text = binding.expr,
        className,
        rightExpr
      var colonIndex = text
        .replace(rexprg, function(a) {
          return a.replace(/./g, '0')
        })
        .indexOf(':') //取得第一个冒号的位置
      if (colonIndex === -1) {
        // 比如 :class/effect="aaa bbb ccc" 的情况
        className = text
        rightExpr = true
      } else {
        // 比如 :class/effect-1="ui-state-active:checked" 的情况
        className = text.slice(0, colonIndex)
        rightExpr = text.slice(colonIndex + 1)
      }
      if (!rexpr.test(text)) {
        className = quote(className)
      } else {
        className = normalizeExpr(className)
      }
      binding.expr = '[' + className + ',' + rightExpr + ']'
    },
    update: function(arr) {
      var name = arr[0]
      var elem = this.element
      if (elem.getAttribute('data-effect-name') === name) {
        return
      } else {
        elem.removeAttribute('data-effect-driver')
      }
      var inlineStyles = elem.style
      var computedStyles = window.getComputedStyle
        ? window.getComputedStyle(elem)
        : null
      var useAni = false
      if (computedStyles && (supportTransition || supportAnimation)) {
        //如果支持CSS动画
        var duration =
          inlineStyles[transitionDuration] || computedStyles[transitionDuration]
        if (duration && duration !== '0s') {
          elem.setAttribute('data-effect-driver', 't')
          useAni = true
        }

        if (!useAni) {
          duration =
            inlineStyles[animationDuration] || computedStyles[animationDuration]
          if (duration && duration !== '0s') {
            elem.setAttribute('data-effect-driver', 'a')
            useAni = true
          }
        }
      }

      if (!useAni) {
        if (Anot.effects[name]) {
          elem.setAttribute('data-effect-driver', 'j')
          useAni = true
        }
      }
      if (useAni) {
        elem.setAttribute('data-effect-name', name)
      }
    }
  })

  Anot.effects = {}
  Anot.effect = function(name, callbacks) {
    Anot.effects[name] = callbacks
  }

  var supportTransition = false
  var supportAnimation = false

  var transitionEndEvent
  var animationEndEvent
  var transitionDuration = Anot.cssName('transition-duration')
  var animationDuration = Anot.cssName('animation-duration')
  new function() {
    // jshint ignore:line
    var checker = {
      TransitionEvent: 'transitionend',
      WebKitTransitionEvent: 'webkitTransitionEnd',
      OTransitionEvent: 'oTransitionEnd',
      otransitionEvent: 'otransitionEnd'
    }
    var tran
    //有的浏览器同时支持私有实现与标准写法，比如webkit支持前两种，Opera支持1、3、4
    for (var name in checker) {
      if (window[name]) {
        tran = checker[name]
        break
      }
      try {
        var a = document.createEvent(name)
        tran = checker[name]
        break
      } catch (e) {}
    }
    if (typeof tran === 'string') {
      supportTransition = true
      transitionEndEvent = tran
    }

    //大致上有两种选择
    //IE10+, Firefox 16+ & Opera 12.1+: animationend
    //Chrome/Safari: webkitAnimationEnd
    //http://blogs.msdn.com/b/davrous/archive/2011/12/06/introduction-to-css3-animat ions.aspx
    //IE10也可以使用MSAnimationEnd监听，但是回调里的事件 type依然为animationend
    //  el.addEventListener("MSAnimationEnd", function(e) {
    //     alert(e.type)// animationend！！！
    // })
    checker = {
      AnimationEvent: 'animationend',
      WebKitAnimationEvent: 'webkitAnimationEnd'
    }
    var ani
    for (name in checker) {
      if (window[name]) {
        ani = checker[name]
        break
      }
    }
    if (typeof ani === 'string') {
      supportTransition = true
      animationEndEvent = ani
    }
  }()

  var effectPool = [] //重复利用动画实例
  function effectFactory(el, opts) {
    if (!el || el.nodeType !== 1) {
      return null
    }
    if (opts) {
      var name = opts.effectName
      var driver = opts.effectDriver
    } else {
      name = el.getAttribute('data-effect-name')
      driver = el.getAttribute('data-effect-driver')
    }
    if (!name || !driver) {
      return null
    }

    var instance = effectPool.pop() || new Effect()
    instance.el = el
    instance.driver = driver
    instance.useCss = driver !== 'j'
    if (instance.useCss) {
      opts && Anot(el).addClass(opts.effectClass)
      instance.cssEvent =
        driver === 't' ? transitionEndEvent : animationEndEvent
    }
    instance.name = name
    instance.callbacks = Anot.effects[name] || {}

    return instance
  }

  function effectBinding(elem, binding) {
    var name = elem.getAttribute('data-effect-name')
    if (name) {
      binding.effectName = name
      binding.effectDriver = elem.getAttribute('data-effect-driver')
      var stagger = +elem.getAttribute('data-effect-stagger')
      binding.effectLeaveStagger =
        +elem.getAttribute('data-effect-leave-stagger') || stagger
      binding.effectEnterStagger =
        +elem.getAttribute('data-effect-enter-stagger') || stagger
      binding.effectClass = elem.className || NaN
    }
  }
  function upperFirstChar(str) {
    return str.replace(/^[\S]/g, function(m) {
      return m.toUpperCase()
    })
  }
  var effectBuffer = new Buffer()
  function Effect() {} //动画实例,做成类的形式,是为了共用所有原型方法

  Effect.prototype = {
    contrustor: Effect,
    enterClass: function() {
      return getEffectClass(this, 'enter')
    },
    leaveClass: function() {
      return getEffectClass(this, 'leave')
    },
    // 共享一个函数
    actionFun: function(name, before, after) {
      if (document.hidden) {
        return
      }
      var me = this
      var el = me.el
      var isLeave = name === 'leave'
      name = isLeave ? 'leave' : 'enter'
      var oppositeName = isLeave ? 'enter' : 'leave'
      callEffectHook(me, 'abort' + upperFirstChar(oppositeName))
      callEffectHook(me, 'before' + upperFirstChar(name))
      if (!isLeave) before(el) //这里可能做插入DOM树的操作,因此必须在修改类名前执行
      var cssCallback = function(cancel) {
        el.removeEventListener(me.cssEvent, me.cssCallback)
        if (isLeave) {
          before(el) //这里可能做移出DOM树操作,因此必须位于动画之后
          Anot(el).removeClass(me.cssClass)
        } else {
          if (me.driver === 'a') {
            Anot(el).removeClass(me.cssClass)
          }
        }
        if (cancel !== true) {
          callEffectHook(me, 'after' + upperFirstChar(name))
          after && after(el)
        }
        me.dispose()
      }
      if (me.useCss) {
        if (me.cssCallback) {
          //如果leave动画还没有完成,立即完成
          me.cssCallback(true)
        }

        me.cssClass = getEffectClass(me, name)
        me.cssCallback = cssCallback

        me.update = function() {
          el.addEventListener(me.cssEvent, me.cssCallback)
          if (!isLeave && me.driver === 't') {
            //transtion延迟触发
            Anot(el).removeClass(me.cssClass)
          }
        }
        Anot(el).addClass(me.cssClass) //animation会立即触发

        effectBuffer.render(true)
        effectBuffer.queue.push(me)
      } else {
        callEffectHook(me, name, cssCallback)
      }
    },
    enter: function(before, after) {
      this.actionFun.apply(this, ['enter'].concat(Anot.slice(arguments)))
    },
    leave: function(before, after) {
      this.actionFun.apply(this, ['leave'].concat(Anot.slice(arguments)))
    },
    dispose: function() {
      //销毁与回收到池子中
      this.update = this.cssCallback = null
      if (effectPool.unshift(this) > 100) {
        effectPool.pop()
      }
    }
  }

  function getEffectClass(instance, type) {
    var a = instance.callbacks[type + 'Class']
    if (typeof a === 'string') return a
    if (typeof a === 'function') return a()
    return instance.name + '-' + type
  }

  function callEffectHook(effect, name, cb) {
    var hook = effect.callbacks[name]
    if (hook) {
      hook.call(effect, effect.el, cb)
    }
  }

  var applyEffect = function(el, dir /*[before, [after, [opts]]]*/) {
    var args = aslice.call(arguments, 0)
    if (typeof args[2] !== 'function') {
      args.splice(2, 0, noop)
    }
    if (typeof args[3] !== 'function') {
      args.splice(3, 0, noop)
    }
    var before = args[2]
    var after = args[3]
    var opts = args[4]
    var effect = effectFactory(el, opts)
    if (!effect) {
      before()
      after()
      return false
    } else {
      var method = dir ? 'enter' : 'leave'
      effect[method](before, after)
    }
  }

  Anot.mix(Anot.effect, {
    apply: applyEffect,
    append: function(el, parent, after, opts) {
      return applyEffect(
        el,
        1,
        function() {
          parent.appendChild(el)
        },
        after,
        opts
      )
    },
    before: function(el, target, after, opts) {
      return applyEffect(
        el,
        1,
        function() {
          target.parentNode.insertBefore(el, target)
        },
        after,
        opts
      )
    },
    remove: function(el, parent, after, opts) {
      return applyEffect(
        el,
        0,
        function() {
          if (el.parentNode === parent) parent.removeChild(el)
        },
        after,
        opts
      )
    }
  })

  Anot.directive('html', {
    update: function(val) {
      var binding = this
      var elem = this.element
      var isHtmlFilter = elem.nodeType !== 1
      var parent = isHtmlFilter ? elem.parentNode : elem
      if (!parent) return
      val = val == null ? '' : val

      if (elem.nodeType === 3) {
        var signature = generateID('html')
        parent.insertBefore(DOC.createComment(signature), elem)
        binding.element = DOC.createComment(signature + ':end')
        parent.replaceChild(binding.element, elem)
        elem = binding.element
      }
      if (typeof val !== 'object') {
        //string, number, boolean
        var fragment = Anot.parseHTML(String(val))
      } else if (val.nodeType === 11) {
        //将val转换为文档碎片
        fragment = val
      } else if (val.nodeType === 1 || val.item) {
        var nodes = val.nodeType === 1 ? val.childNodes : val.item
        fragment = anotFragment.cloneNode(true)
        while (nodes[0]) {
          fragment.appendChild(nodes[0])
        }
      }

      nodes = Anot.slice(fragment.childNodes)
      //插入占位符, 如果是过滤器,需要有节制地移除指定的数量,如果是html指令,直接清空
      if (isHtmlFilter) {
        var endValue = elem.nodeValue.slice(0, -4)
        while (true) {
          var node = elem.previousSibling
          if (!node || (node.nodeType === 8 && node.nodeValue === endValue)) {
            break
          } else {
            parent.removeChild(node)
          }
        }
        parent.insertBefore(fragment, elem)
      } else {
        Anot.clearHTML(elem).appendChild(fragment)
      }
      scanNodeArray(nodes, binding.vmodels)
    }
  })

  Anot.directive('if', {
    priority: 10,
    update: function(val) {
      var binding = this
      var elem = this.element
      var stamp = (binding.stamp = +new Date())
      var par
      var after = function() {
        if (stamp !== binding.stamp) return
        binding.recoverNode = null
      }
      if (binding.recoverNode) binding.recoverNode() // 还原现场，有移动节点的都需要还原现场
      try {
        if (!elem.parentNode) return
        par = elem.parentNode
      } catch (e) {
        return
      }
      if (val) {
        //插回DOM树
        function alway() {
          // jshint ignore:line
          if (elem.getAttribute(binding.name)) {
            elem.removeAttribute(binding.name)
            scanAttr(elem, binding.vmodels)
          }
          binding.rollback = null
        }
        if (elem.nodeType === 8) {
          var keep = binding.keep
          var hasEffect = Anot.effect.apply(
            keep,
            1,
            function() {
              if (stamp !== binding.stamp) return
              elem.parentNode.replaceChild(keep, elem)
              elem = binding.element = keep //这时可能为null
              if (keep.getAttribute('_required')) {
                //#1044
                elem.required = true
                elem.removeAttribute('_required')
              }
              if (elem.querySelectorAll) {
                Anot.each(elem.querySelectorAll('[_required=true]'), function(
                  el
                ) {
                  el.required = true
                  el.removeAttribute('_required')
                })
              }
              alway()
            },
            after
          )
          hasEffect = hasEffect === false
        }
        if (!hasEffect) alway()
      } else {
        //移出DOM树，并用注释节点占据原位置
        if (elem.nodeType === 1) {
          if (elem.required === true) {
            elem.required = false
            elem.setAttribute('_required', 'true')
          }
          try {
            //如果不支持querySelectorAll或:required,可以直接无视
            Anot.each(elem.querySelectorAll(':required'), function(el) {
              elem.required = false
              el.setAttribute('_required', 'true')
            })
          } catch (e) {}

          var node = (binding.element = DOC.createComment(':if')),
            pos = elem.nextSibling
          binding.recoverNode = function() {
            binding.recoverNode = null
            if (node.parentNode !== par) {
              par.insertBefore(node, pos)
              binding.keep = elem
            }
          }

          Anot.effect.apply(
            elem,
            0,
            function() {
              binding.recoverNode = null
              if (stamp !== binding.stamp) return
              elem.parentNode.replaceChild(node, elem)
              binding.keep = elem //元素节点
              ifGroup.appendChild(elem)
              binding.rollback = function() {
                if (elem.parentNode === ifGroup) {
                  ifGroup.removeChild(elem)
                }
              }
            },
            after
          )
        }
      }
    }
  })

  var rnoscripts = /<noscript.*?>(?:[\s\S]+?)<\/noscript>/gim
  var rnoscriptText = /<noscript.*?>([\s\S]+?)<\/noscript>/im

  var getXHR = function() {
    return new window.XMLHttpRequest() // jshint ignore:line
  }
  //将所有远程加载的模板,以字符串形式存放到这里
  var templatePool = (Anot.templateCache = {})

  function getTemplateContainer(binding, id, text) {
    var div = binding.templateCache && binding.templateCache[id]
    if (div) {
      var dom = DOC.createDocumentFragment(),
        firstChild
      while ((firstChild = div.firstChild)) {
        dom.appendChild(firstChild)
      }
      return dom
    }
    return Anot.parseHTML(text)
  }
  function nodesToFrag(nodes) {
    var frag = DOC.createDocumentFragment()
    for (var i = 0, len = nodes.length; i < len; i++) {
      frag.appendChild(nodes[i])
    }
    return frag
  }
  Anot.directive('include', {
    init: directives.attr.init,
    update: function(val) {
      var binding = this
      var elem = this.element
      var vmodels = binding.vmodels
      var rendered = binding.includeRendered
      var effectClass = binding.effectName && binding.effectClass // 是否开启动画
      var templateCache = binding.templateCache // 是否data-include-cache
      var outer = binding.includeReplace // 是否data-include-replace
      var loaded = binding.includeLoaded
      var target = outer ? elem.parentNode : elem
      var _ele = binding._element // data-include-replace binding.element === binding.end

      binding.recoverNodes = binding.recoverNodes || Anot.noop

      var scanTemplate = function(text) {
        var _stamp = (binding._stamp = +new Date()) // 过滤掉频繁操作
        if (loaded) {
          var newText = loaded.apply(target, [text].concat(vmodels))
          if (typeof newText === 'string') text = newText
        }
        if (rendered) {
          checkScan(
            target,
            function() {
              rendered.call(target)
            },
            NaN
          )
        }
        var lastID = binding.includeLastID || '_default' // 默认

        binding.includeLastID = val
        var leaveEl =
          (templateCache && templateCache[lastID]) ||
          DOC.createElement(elem.tagName || binding._element.tagName) // 创建一个离场元素

        if (effectClass) {
          leaveEl.className = effectClass
          target.insertBefore(leaveEl, binding.start) // 插入到start之前，防止被错误的移动
        }

        // cache or animate，移动节点
        ;(templateCache || {})[lastID] = leaveEl
        var fragOnDom = binding.recoverNodes() // 恢复动画中的节点
        if (fragOnDom) {
          target.insertBefore(fragOnDom, binding.end)
        }
        while (true) {
          var node = binding.start.nextSibling
          if (node && node !== leaveEl && node !== binding.end) {
            leaveEl.appendChild(node)
          } else {
            break
          }
        }

        // 元素退场
        Anot.effect.remove(
          leaveEl,
          target,
          function() {
            if (templateCache) {
              // write cache
              if (_stamp === binding._stamp) ifGroup.appendChild(leaveEl)
            }
          },
          binding
        )

        var enterEl = target,
          before = Anot.noop,
          after = Anot.noop

        var fragment = getTemplateContainer(binding, val, text)
        var nodes = Anot.slice(fragment.childNodes)

        if (outer && effectClass) {
          enterEl = _ele
          enterEl.innerHTML = '' // 清空
          enterEl.setAttribute(':skip', 'true')
          target.insertBefore(enterEl, binding.end.nextSibling) // 插入到bingding.end之后避免被错误的移动
          before = function() {
            enterEl.insertBefore(fragment, null) // 插入节点
          }
          after = function() {
            binding.recoverNodes = Anot.noop
            if (_stamp === binding._stamp) {
              fragment = nodesToFrag(nodes)
              target.insertBefore(fragment, binding.end) // 插入真实element
              scanNodeArray(nodes, vmodels)
            }
            if (enterEl.parentNode === target) target.removeChild(enterEl) // 移除入场动画元素
          }
          binding.recoverNodes = function() {
            binding.recoverNodes = Anot.noop
            return nodesToFrag(nodes)
          }
        } else {
          before = function() {
            //新添加元素的动画
            target.insertBefore(fragment, binding.end)
            scanNodeArray(nodes, vmodels)
          }
        }

        Anot.effect.apply(enterEl, 'enter', before, after)
      }

      if (!val) return

      var el = val

      if (typeof el === 'object') {
        if (el.nodeType !== 1) return log('include 不支持非DOM对象')
      } else {
        el = DOC.getElementById(val)
        if (!el) {
          if (typeof templatePool[val] === 'string') {
            Anot.nextTick(function() {
              scanTemplate(templatePool[val])
            })
          } else if (Array.isArray(templatePool[val])) {
            //#805 防止在循环绑定中发出许多相同的请求
            templatePool[val].push(scanTemplate)
          } else {
            var xhr = getXHR()
            xhr.onload = function() {
              if (xhr.status !== 200)
                return log('获取网络资源出错, httpError[' + xhr.status + ']')

              var text = xhr.responseText
              for (var f = 0, fn; (fn = templatePool[val][f++]); ) {
                fn(text)
              }
              templatePool[val] = text
            }
            xhr.onerror = function() {
              log(':include load [' + val + '] error')
            }
            templatePool[val] = [scanTemplate]
            xhr.open('GET', val, true)
            if ('withCredentials' in xhr) {
              xhr.withCredentials = true
            }
            xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest')
            xhr.send(null)
          }
          return
        }
      }

      Anot.nextTick(function() {
        scanTemplate(el.value || el.innerText || el.innerHTML)
      })
    }
  })

  var rdash = /\(([^)]*)\)/
  var onDir = Anot.directive('on', {
    priority: 3000,
    init: function(binding) {
      var value = binding.expr
      binding.type = 'on'
      var eventType = binding.param.replace(/-\d+$/, '') // :on-mousemove-10
      if (typeof onDir[eventType + 'Hook'] === 'function') {
        onDir[eventType + 'Hook'](binding)
      }
      if (value.indexOf('(') > 0 && value.indexOf(')') > -1) {
        var matched = (value.match(rdash) || ['', ''])[1].trim()
        if (matched === '' || matched === '$event') {
          // aaa() aaa($event)当成aaa处理
          value = value.replace(rdash, '')
        }
      }
      binding.expr = value
    },
    update: function(callback) {
      var binding = this
      var elem = this.element
      callback = function(e) {
        var fn = binding.getter || noop
        return fn.apply(binding.args[0], binding.args.concat(e))
      }

      var eventType = binding.param.replace(/-\d+$/, '') // :on-mousemove-10
      if (eventType === 'scan') {
        callback.call(elem, {
          type: eventType
        })
      } else if (typeof binding.specialBind === 'function') {
        binding.specialBind(elem, callback)
      } else {
        var removeFn = Anot.bind(elem, eventType, callback)
      }
      binding.rollback = function() {
        if (typeof binding.specialUnbind === 'function') {
          binding.specialUnbind()
        } else {
          Anot.unbind(elem, eventType, removeFn)
        }
      }
    }
  })

  Anot.directive('repeat', {
    priority: 90,
    init: function(binding) {
      var type = binding.type
      binding.cache = {} //用于存放代理VM
      binding.enterCount = 0

      var elem = binding.element
      if (elem.nodeType === 1) {
        elem.removeAttribute(binding.name)
        effectBinding(elem, binding)
        binding.param = binding.param || 'el'
        binding.sortedCallback = getBindingCallback(
          elem,
          'data-repeat-sortby',
          binding.vmodels
        )
        var rendered = getBindingCallback(
          elem,
          'data-repeat-rendered',
          binding.vmodels
        )

        var signature = generateID(type)
        var start = DOC.createComment(signature + ':start')
        var end = (binding.element = DOC.createComment(signature + ':end'))
        binding.signature = signature
        binding.start = start
        binding.template = anotFragment.cloneNode(false)

        var parent = elem.parentNode
        parent.replaceChild(end, elem)
        parent.insertBefore(start, end)
        binding.template.appendChild(elem)

        binding.element = end

        if (rendered) {
          var removeFn = Anot.bind(parent, 'datasetchanged', function() {
            rendered.apply(parent, parent.args)
            Anot.unbind(parent, 'datasetchanged', removeFn)
            parent.msRendered = rendered
          })
        }
      }
    },
    update: function(value, oldValue) {
      var binding = this
      var xtype = this.xtype

      this.enterCount += 1
      var init = !oldValue
      if (init) {
        binding.$outer = {}
        var check0 = '$key'
        var check1 = '$val'
        if (xtype === 'array') {
          check0 = '$first'
          check1 = '$last'
        }
        for (var i = 0, v; (v = binding.vmodels[i++]); ) {
          if (v.hasOwnProperty(check0) && v.hasOwnProperty(check1)) {
            binding.$outer = v
            break
          }
        }
      }
      var track = this.track
      if (binding.sortedCallback) {
        //如果有回调，则让它们排序
        var keys2 = binding.sortedCallback.call(parent, track)
        if (keys2 && Array.isArray(keys2)) {
          track = keys2
        }
      }

      var action = 'move'
      binding.$repeat = value
      var fragments = []
      var transation = init && anotFragment.cloneNode(false)
      var proxies = []
      var param = this.param
      var retain = Anot.mix({}, this.cache)
      var elem = this.element
      var length = track.length

      var parent = elem.parentNode

      //检查新元素数量
      var newCount = 0
      for (i = 0; i < length; i++) {
        var keyOrId = track[i]
        if (!retain[keyOrId]) newCount++
      }
      var oldCount = 0
      for (i in retain) {
        oldCount++
      }
      var clear = (!length || newCount === length) && oldCount > 10 //当全部是新元素,且移除元素较多(10)时使用clear

      var kill = elem.previousSibling
      var start = binding.start

      if (clear) {
        while (kill !== start) {
          parent.removeChild(kill)
          kill = elem.previousSibling
        }
      }

      for (i = 0; i < length; i++) {
        keyOrId = track[i] //array为随机数, object 为keyName
        var proxy = retain[keyOrId]
        if (!proxy) {
          // log(this)
          proxy = getProxyVM(this)
          proxy.$up = this.vmodels[0]
          if (xtype === 'array') {
            action = 'add'
            proxy.$id = keyOrId
            var valueItem = value[i]
            proxy[param] = valueItem //index
            if (Object(valueItem) === valueItem) {
              valueItem.$ups = valueItem.$ups || {}
              valueItem.$ups[param] = proxy
            }
          } else {
            action = 'append'
            proxy.$key = keyOrId
            proxy.$val = value[keyOrId] //key
            proxy[param] = { $key: proxy.$key, $val: proxy.$val }
          }
          this.cache[keyOrId] = proxy
          var node = proxy.$anchor || (proxy.$anchor = elem.cloneNode(false))
          node.nodeValue = this.signature
          shimController(
            binding,
            transation,
            proxy,
            fragments,
            init && !binding.effectDriver
          )
          decorateProxy(proxy, binding, xtype)
        } else {
          fragments.push({})
          retain[keyOrId] = true
        }

        //重写proxy
        if (this.enterCount === 1) {
          //防止多次进入,导致位置不对
          proxy.$active = false
          proxy.$oldIndex = proxy.$index
          proxy.$active = true
          proxy.$index = i
        }

        if (xtype === 'array') {
          proxy.$first = i === 0
          proxy.$last = i === length - 1
        } else {
          proxy.$val = toJson(value[keyOrId]) //这里是处理vm.object = newObject的情况
        }
        proxies.push(proxy)
      }
      this.proxies = proxies
      if (init && !binding.effectDriver) {
        parent.insertBefore(transation, elem)
        fragments.forEach(function(fragment) {
          scanNodeArray(fragment.nodes || [], fragment.vmodels)
          //if(fragment.vmodels.length > 2)
          fragment.nodes = fragment.vmodels = null
        }) // jshint ignore:line
      } else {
        var staggerIndex = (binding.staggerIndex = 0)
        for (keyOrId in retain) {
          if (retain[keyOrId] !== true) {
            action = 'del'
            !clear && removeItem(retain[keyOrId].$anchor, binding, true)
            // 相当于delete binding.cache[key]
            proxyRecycler(this.cache, keyOrId, param)
            retain[keyOrId] = null
          }
        }

        for (i = 0; i < length; i++) {
          proxy = proxies[i]
          keyOrId = xtype === 'array' ? proxy.$id : proxy.$key
          var pre = proxies[i - 1]
          var preEl = pre ? pre.$anchor : binding.start
          if (!retain[keyOrId]) {
            //如果还没有插入到DOM树,进行插入动画
            ;(function(fragment, preElement) {
              var nodes = fragment.nodes
              var vmodels = fragment.vmodels
              if (nodes) {
                staggerIndex = mayStaggerAnimate(
                  binding.effectEnterStagger,
                  function() {
                    parent.insertBefore(
                      fragment.content,
                      preElement.nextSibling
                    )
                    scanNodeArray(nodes, vmodels)
                    !init && animateRepeat(nodes, 1, binding)
                  },
                  staggerIndex
                )
              }
              fragment.nodes = fragment.vmodels = null
            })(fragments[i], preEl) // jshint ignore:line
          } else if (proxy.$index !== proxy.$oldIndex) {
            //进行移动动画
            ;(function(proxy2, preElement) {
              staggerIndex = mayStaggerAnimate(
                binding.effectEnterStagger,
                function() {
                  var curNode = removeItem(proxy2.$anchor)
                  var inserted = Anot.slice(curNode.childNodes)
                  parent.insertBefore(curNode, preElement.nextSibling)
                  animateRepeat(inserted, 1, binding)
                },
                staggerIndex
              )
            })(proxy, preEl) // jshint ignore:line
          }
        }
      }
      if (!value.$track) {
        //如果是非监控对象,那么就将其$events清空,阻止其持续监听
        for (keyOrId in this.cache) {
          proxyRecycler(this.cache, keyOrId, param)
        }
      }

      //repeat --> duplex
      ;(function(args) {
        parent.args = args
        if (parent.msRendered) {
          //第一次事件触发,以后直接调用
          parent.msRendered.apply(parent, args)
        }
      })(kernel.newWatch ? arguments : [action])
      var id = setTimeout(function() {
        clearTimeout(id)
        //触发上层的select回调及自己的rendered回调
        Anot.fireDom(parent, 'datasetchanged', {
          bubble: parent.msHasEvent
        })
      })
      this.enterCount -= 1
    }
  })

  function animateRepeat(nodes, isEnter, binding) {
    for (var i = 0, node; (node = nodes[i++]); ) {
      if (node.className === binding.effectClass) {
        Anot.effect.apply(node, isEnter, noop, noop, binding)
      }
    }
  }

  function mayStaggerAnimate(staggerTime, callback, index) {
    if (staggerTime) {
      setTimeout(callback, ++index * staggerTime)
    } else {
      callback()
    }
    return index
  }

  function removeItem(node, binding, flagRemove) {
    var fragment = anotFragment.cloneNode(false)
    var last = node
    var breakText = last.nodeValue
    var staggerIndex = binding && Math.max(+binding.staggerIndex, 0)
    var nodes = Anot.slice(last.parentNode.childNodes)
    var index = nodes.indexOf(last)
    while (true) {
      var pre = nodes[--index] //node.previousSibling
      if (!pre || String(pre.nodeValue).indexOf(breakText) === 0) {
        break
      }
      if (!flagRemove && binding && pre.className === binding.effectClass) {
        node = pre
        ;(function(cur) {
          binding.staggerIndex = mayStaggerAnimate(
            binding.effectLeaveStagger,
            function() {
              Anot.effect.apply(
                cur,
                0,
                noop,
                function() {
                  fragment.appendChild(cur)
                },
                binding
              )
            },
            staggerIndex
          )
        })(pre) // jshint ignore:line
      } else {
        fragment.insertBefore(pre, fragment.firstChild)
      }
    }
    fragment.appendChild(last)
    return fragment
  }

  function shimController(data, transation, proxy, fragments, init) {
    var content = data.template.cloneNode(true)
    var nodes = Anot.slice(content.childNodes)
    content.appendChild(proxy.$anchor)
    init && transation.appendChild(content)
    var itemName = data.param || 'el'
    var valueItem = proxy[itemName],
      nv

    nv = [proxy].concat(data.vmodels)

    var fragment = {
      nodes: nodes,
      vmodels: nv,
      content: content
    }
    fragments.push(fragment)
  }
  // {}  -->  {xx: 0, yy: 1, zz: 2} add
  // {xx: 0, yy: 1, zz: 2}  -->  {xx: 0, yy: 1, zz: 2, uu: 3}
  // [xx: 0, yy: 1, zz: 2}  -->  {xx: 0, zz: 1, yy: 2}

  function getProxyVM(binding) {
    var agent = binding.xtype === 'object' ? withProxyAgent : eachProxyAgent
    var proxy = agent(binding)
    var node =
      proxy.$anchor || (proxy.$anchor = binding.element.cloneNode(false))
    node.nodeValue = binding.signature
    proxy.$outer = binding.$outer
    return proxy
  }

  function decorateProxy(proxy, binding, type) {
    if (type === 'array') {
      proxy.$remove = function() {
        binding.$repeat.removeAt(proxy.$index)
      }
      var param = binding.param
      proxy.$watch(param, function(a) {
        var index = proxy.$index
        binding.$repeat[index] = a
      })
    } else {
      proxy.$watch('$val', function fn(a) {
        binding.$repeat[proxy.$key] = a
      })
    }
  }

  var eachProxyPool = []

  function eachProxyAgent(data, proxy) {
    var itemName = data.param || 'el'
    for (var i = 0, n = eachProxyPool.length; i < n; i++) {
      var candidate = eachProxyPool[i]
      if (candidate && candidate.hasOwnProperty(itemName)) {
        eachProxyPool.splice(i, 1)
        proxy = candidate
        break
      }
    }
    if (!proxy) {
      proxy = eachProxyFactory(itemName)
    }
    return proxy
  }

  function eachProxyFactory(itemName) {
    var source = {
      $outer: {},
      $index: 0,
      $oldIndex: 0,
      $anchor: null,
      //-----
      $first: false,
      $last: false,
      $remove: Anot.noop
    }
    source[itemName] = NaN
    var force = {
      $last: 1,
      $first: 1,
      $index: 1
    }
    force[itemName] = 1
    var proxy = modelFactory(
      { state: source },
      {
        force: force
      }
    )
    proxy.$id = generateID('$proxy$each')
    return proxy
  }

  var withProxyPool = []

  function withProxyAgent(data) {
    var itemName = data.param || 'el'
    return withProxyPool.pop() || withProxyFactory(itemName)
  }

  function withProxyFactory(itemName) {
    var source = {
      $key: '',
      $val: NaN,
      $index: 0,
      $oldIndex: 0,
      $outer: {},
      $anchor: null
    }
    source[itemName] = NaN
    var force = {
      $key: 1,
      $val: 1,
      $index: 1
    }
    force[itemName] = 1
    var proxy = modelFactory(
      { state: source },
      {
        force: force
      }
    )
    proxy.$id = generateID('$proxy$with')
    return proxy
  }

  function proxyRecycler(cache, key, param) {
    var proxy = cache[key]
    if (proxy) {
      var proxyPool =
        proxy.$id.indexOf('$proxy$each') === 0 ? eachProxyPool : withProxyPool
      proxy.$outer = {}

      for (var i in proxy.$events) {
        var a = proxy.$events[i]
        if (Array.isArray(a)) {
          a.length = 0
          if (i === param) {
            proxy[param] = NaN
          } else if (i === '$val') {
            proxy.$val = NaN
          }
        }
      }

      if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) {
        proxyPool.pop()
      }
      delete cache[key]
    }
  }

  /*********************************************************************
   *                         各种指令                                  *
   **********************************************************************/

  Anot.directive('text', {
    update: function(val) {
      var elem = this.element
      val = val == null ? '' : val //不在页面上显示undefined null
      if (elem.nodeType === 3) {
        //绑定在文本节点上
        try {
          //IE对游离于DOM树外的节点赋值会报错
          elem.data = val
        } catch (e) {}
      } else {
        //绑定在特性节点上
        elem.textContent = val
      }
    }
  })
  function parseDisplay(nodeName, val) {
    //用于取得此类标签的默认display值
    var key = '_' + nodeName
    if (!parseDisplay[key]) {
      var node = DOC.createElement(nodeName)
      root.appendChild(node)
      if (W3C) {
        val = getComputedStyle(node, null).display
      } else {
        val = node.currentStyle.display
      }
      root.removeChild(node)
      parseDisplay[key] = val
    }
    return parseDisplay[key]
  }

  Anot.parseDisplay = parseDisplay

  Anot.directive('visible', {
    init: function(binding) {
      effectBinding(binding.element, binding)
    },
    update: function(val) {
      var binding = this,
        elem = this.element,
        stamp
      var noEffect = !this.effectName
      if (!this.stamp) {
        stamp = this.stamp = +new Date()
        if (val) {
          elem.style.display = binding.display || ''
          if (Anot(elem).css('display') === 'none') {
            elem.style.display = binding.display = parseDisplay(elem.nodeName)
          }
        } else {
          elem.style.display = 'none'
        }
        return
      }
      stamp = this.stamp = +new Date()
      if (val) {
        Anot.effect.apply(elem, 1, function() {
          if (stamp !== binding.stamp) return
          var driver = elem.getAttribute('data-effect-driver') || 'a'

          if (noEffect) {
            //不用动画时走这里
            elem.style.display = binding.display || ''
          }
          // "a", "t"
          if (driver === 'a' || driver === 't') {
            if (Anot(elem).css('display') === 'none') {
              elem.style.display =
                binding.display || parseDisplay(elem.nodeName)
            }
          }
        })
      } else {
        Anot.effect.apply(elem, 0, function() {
          if (stamp !== binding.stamp) return
          elem.style.display = 'none'
        })
      }
    }
  })

  /*********************************************************************
   *                             自带过滤器                             *
   **********************************************************************/

  var rscripts = /<script[^>]*>([\S\s]*?)<\/script\s*>/gim
  var ron = /\s+(on[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g
  var ropen = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/gi
  var rsanitize = {
    a: /\b(href)\=("javascript[^"]*"|'javascript[^']*')/gi,
    img: /\b(src)\=("javascript[^"]*"|'javascript[^']*')/gi,
    form: /\b(action)\=("javascript[^"]*"|'javascript[^']*')/gi
  }
  var rsurrogate = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g
  var rnoalphanumeric = /([^\#-~| |!])/g

  function numberFormat(number, decimals, point, thousands) {
    //form http://phpjs.org/functions/number_format/
    //number 必需，要格式化的数字
    //decimals 可选，规定多少个小数位。
    //point 可选，规定用作小数点的字符串（默认为 . ）。
    //thousands 可选，规定用作千位分隔符的字符串（默认为 , ），如果设置了该参数，那么所有其他参数都是必需的。
    number = (number + '').replace(/[^0-9+\-Ee.]/g, '')
    var n = !isFinite(+number) ? 0 : +number,
      prec = !isFinite(+decimals) ? 3 : Math.abs(decimals),
      sep = thousands || ',',
      dec = point || '.',
      s = '',
      toFixedFix = function(n, prec) {
        var k = Math.pow(10, prec)
        return '' + (Math.round(n * k) / k).toFixed(prec)
      }
    // Fix for IE parseFloat(0.55).toFixed(0) = 0;
    s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.')
    if (s[0].length > 3) {
      s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
    }
    if ((s[1] || '').length < prec) {
      s[1] = s[1] || ''
      s[1] += new Array(prec - s[1].length + 1).join('0')
    }
    return s.join(dec)
  }

  var filters = (Anot.filters = {
    uppercase: function(str) {
      return str.toUpperCase()
    },
    lowercase: function(str) {
      return str.toLowerCase()
    },
    //字符串截取，超过指定长度以mark标识接上
    truncate: function(str, len, mark) {
      len = len || 30
      mark = typeof mark === 'string' ? mark : '...'
      return str.slice(0, len) + (str.length <= len ? '' : mark)
    },
    //小值秒数转化为 时间格式
    time: function(str) {
      str = str >> 0
      var s = str % 60
      var m = Math.floor(str / 60)
      var h = Math.floor(m / 60)
      m = m % 60
      m = m < 10 ? '0' + m : m
      s = s < 10 ? '0' + s : s

      if (h > 0) {
        h = h < 10 ? '0' + h : h
        return h + ':' + m + ':' + s
      }
      return m + ':' + s
    },
    $filter: function(val) {
      for (var i = 1, n = arguments.length; i < n; i++) {
        var array = arguments[i]
        var fn = Anot.filters[array[0]]
        if (typeof fn === 'function') {
          var arr = [val].concat(array.slice(1))
          val = fn.apply(null, arr)
        }
      }
      return val
    },
    camelize: camelize,
    //https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
    //    <a href="javasc&NewLine;ript&colon;alert('XSS')">chrome</a>
    //    <a href="data:text/html;base64, PGltZyBzcmM9eCBvbmVycm9yPWFsZXJ0KDEpPg==">chrome</a>
    //    <a href="jav  ascript:alert('XSS');">IE67chrome</a>
    //    <a href="jav&#x09;ascript:alert('XSS');">IE67chrome</a>
    //    <a href="jav&#x0A;ascript:alert('XSS');">IE67chrome</a>
    sanitize: function(str) {
      return str.replace(rscripts, '').replace(ropen, function(a, b) {
        var match = a.toLowerCase().match(/<(\w+)\s/)
        if (match) {
          //处理a标签的href属性，img标签的src属性，form标签的action属性
          var reg = rsanitize[match[1]]
          if (reg) {
            a = a.replace(reg, function(s, name, value) {
              var quote = value.charAt(0)
              return name + '=' + quote + 'javascript:void(0)' + quote // jshint ignore:line
            })
          }
        }
        return a.replace(ron, ' ').replace(/\s+/g, ' ') //移除onXXX事件
      })
    },
    escape: function(str) {
      //将字符串经过 str 转义得到适合在页面中显示的内容, 例如替换 < 为 &lt
      return String(str)
        .replace(/&/g, '&amp;')
        .replace(rsurrogate, function(value) {
          var hi = value.charCodeAt(0)
          var low = value.charCodeAt(1)
          return '&#' + ((hi - 0xd800) * 0x400 + (low - 0xdc00) + 0x10000) + ';'
        })
        .replace(rnoalphanumeric, function(value) {
          return '&#' + value.charCodeAt(0) + ';'
        })
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
    },
    currency: function(amount, symbol, fractionSize) {
      return (
        (symbol || '\u00a5') +
        numberFormat(amount, isFinite(fractionSize) ? fractionSize : 2)
      )
    },
    number: numberFormat,
    //日期格式化，类似php的date函数，
    date: function(stamp, str, second) {
      second = second === undefined ? false : true
      var oDate
      if (!Date.isDate(stamp)) {
        if (!/[^\d]/.test(stamp)) {
          stamp -= 0
          if (second) {
            stamp *= 1000
          }
        }

        oDate = new Date(stamp)
        if (oDate + '' === 'Invalid Date') {
          return 'Invalid Date'
        }
      } else {
        oDate = stamp
      }
      return oDate.format(str)
    }
  })

  /*********************************************************************
   *                            触摸事件                               *
   *********************************************************************/

  var ua = navigator.userAgent.toLowerCase()
  //http://stackoverflow.com/questions/9038625/detect-if-device-is-ios
  function iOSversion() {
    //https://developer.apple.com/library/prerelease/mac/releasenotes/General/WhatsNewInSafari/Articles/Safari_9.html
    //http://mp.weixin.qq.com/s?__biz=MzA3MDQ4MzQzMg==&mid=256900619&idx=1&sn=b29f84cff0b8d7b9742e5d8b3cd8f218&scene=1&srcid=1009F9l4gh9nZ7rcQJEhmf7Q#rd
    if (/ipad|iphone|ipod/.test(ua) && !window.MSStream) {
      if ('backdropFilter' in document.documentElement.style) {
        return 9
      }
      if (!!window.indexedDB) {
        return 8
      }
      if (!!window.SpeechSynthesisUtterance) {
        return 7
      }
      if (!!window.webkitAudioContext) {
        return 6
      }
      if (!!window.matchMedia) {
        return 5
      }
      if (!!window.history && 'pushState' in window.history) {
        return 4
      }
      return 3
    }
    return NaN
  }

  var deviceIsAndroid = ua.indexOf('android') > 0
  var deviceIsIOS = iOSversion()

  var Recognizer = (Anot.gestureHooks = {
    pointers: {},
    //以AOP切入touchstart, touchmove, touchend, touchcancel回调
    start: function(event, callback) {
      //touches是当前屏幕上所有触摸点的列表;
      //targetTouches是当前对象上所有触摸点的列表;
      //changedTouches是涉及当前事件的触摸点的列表。
      for (var i = 0; i < event.changedTouches.length; i++) {
        var touch = event.changedTouches[i],
          id = touch.identifier,
          pointer = {
            startTouch: mixLocations({}, touch),
            startTime: Date.now(),
            status: 'tapping',
            element: event.target,
            pressingHandler:
              Recognizer.pointers[id] && Recognizer.pointers[id].pressingHandler
          }
        Recognizer.pointers[id] = pointer
        callback(pointer, touch)
      }
    },
    move: function(event, callback) {
      for (var i = 0; i < event.changedTouches.length; i++) {
        var touch = event.changedTouches[i]
        var pointer = Recognizer.pointers[touch.identifier]
        if (!pointer) {
          return
        }

        if (!('lastTouch' in pointer)) {
          pointer.lastTouch = pointer.startTouch
          pointer.lastTime = pointer.startTime
          pointer.deltaX = pointer.deltaY = pointer.duration = pointer.distance = 0
        }

        var time = Date.now() - pointer.lastTime

        if (time > 0) {
          var RECORD_DURATION = 70
          if (time > RECORD_DURATION) {
            time = RECORD_DURATION
          }
          if (pointer.duration + time > RECORD_DURATION) {
            pointer.duration = RECORD_DURATION - time
          }

          pointer.duration += time
          pointer.lastTouch = mixLocations({}, touch)

          pointer.lastTime = Date.now()

          pointer.deltaX = touch.clientX - pointer.startTouch.clientX
          pointer.deltaY = touch.clientY - pointer.startTouch.clientY
          var x = pointer.deltaX * pointer.deltaX
          var y = pointer.deltaY * pointer.deltaY
          pointer.distance = Math.sqrt(x + y)
          pointer.isVertical = x < y

          callback(pointer, touch)
        }
      }
    },
    end: function(event, callback) {
      for (var i = 0; i < event.changedTouches.length; i++) {
        var touch = event.changedTouches[i],
          id = touch.identifier,
          pointer = Recognizer.pointers[id]

        if (!pointer) continue

        callback(pointer, touch)

        delete Recognizer.pointers[id]
      }
    },
    //人工触发合成事件
    fire: function(elem, type, props) {
      if (elem) {
        var event = document.createEvent('Events')
        event.initEvent(type, true, true)
        Anot.mix(event, props)
        elem.dispatchEvent(event)
      }
    },
    //添加各种识别器
    add: function(name, recognizer) {
      function move(event) {
        recognizer.touchmove(event)
      }

      function end(event) {
        recognizer.touchend(event)

        document.removeEventListener('touchmove', move)

        document.removeEventListener('touchend', end)

        document.removeEventListener('touchcancel', cancel)
      }

      function cancel(event) {
        recognizer.touchcancel(event)

        document.removeEventListener('touchmove', move)

        document.removeEventListener('touchend', end)

        document.removeEventListener('touchcancel', cancel)
      }

      recognizer.events.forEach(function(eventName) {
        Anot.eventHooks[eventName] = {
          fix: function(el, fn) {
            if (!el['touch-' + name]) {
              el['touch-' + name] = '1'
              el.addEventListener('touchstart', function(event) {
                recognizer.touchstart(event)

                document.addEventListener('touchmove', move)

                document.addEventListener('touchend', end)

                document.addEventListener('touchcancel', cancel)
              })
            }
            return fn
          }
        }
      })
    }
  })

  var locations = ['screenX', 'screenY', 'clientX', 'clientY', 'pageX', 'pageY']

  // 复制 touch 对象上的有用属性到固定对象上
  function mixLocations(target, source) {
    if (source) {
      locations.forEach(function(key) {
        target[key] = source[key]
      })
    }
    return target
  }

  var supportPointer =
    !!navigator.pointerEnabled || !!navigator.msPointerEnabled

  if (supportPointer) {
    // 支持pointer的设备可用样式来取消click事件的300毫秒延迟
    root.style.msTouchAction = root.style.touchAction = 'none'
  }
  var tapRecognizer = {
    events: ['tap'],
    touchBoundary: 10,
    tapDelay: 200,
    needClick: function(target) {
      //判定是否使用原生的点击事件, 否则使用sendClick方法手动触发一个人工的点击事件
      switch (target.nodeName.toLowerCase()) {
        case 'button':
        case 'select':
        case 'textarea':
          if (target.disabled) {
            return true
          }

          break
        case 'input':
          // IOS6 pad 上选择文件，如果不是原生的click，弹出的选择界面尺寸错误
          if ((deviceIsIOS && target.type === 'file') || target.disabled) {
            return true
          }

          break
        case 'label':
        case 'iframe':
        case 'video':
          return true
      }

      return false
    },
    needFocus: function(target) {
      switch (target.nodeName.toLowerCase()) {
        case 'textarea':
        case 'select': //实测android下select也需要
          return true
        case 'input':
          switch (target.type) {
            case 'button':
            case 'checkbox':
            case 'file':
            case 'image':
            case 'radio':
            case 'submit':
              return false
          }
          //如果是只读或disabled状态,就无须获得焦点了
          return !target.disabled && !target.readOnly
        default:
          return false
      }
    },
    focus: function(targetElement) {
      var length
      //在iOS7下, 对一些新表单元素(如date, datetime, time, month)调用focus方法会抛错,
      //幸好的是,我们可以改用setSelectionRange获取焦点, 将光标挪到文字的最后
      var type = targetElement.type
      if (
        deviceIsIOS &&
        targetElement.setSelectionRange &&
        type.indexOf('date') !== 0 &&
        type !== 'time' &&
        type !== 'month'
      ) {
        length = targetElement.value.length
        targetElement.setSelectionRange(length, length)
      } else {
        targetElement.focus()
      }
    },
    findControl: function(labelElement) {
      // 获取label元素所对应的表单元素
      // 可以能过control属性, getElementById, 或用querySelector直接找其内部第一表单元素实现
      if (labelElement.control !== undefined) {
        return labelElement.control
      }

      if (labelElement.htmlFor) {
        return document.getElementById(labelElement.htmlFor)
      }

      return labelElement.querySelector(
        'button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea'
      )
    },
    fixTarget: function(target) {
      if (target.nodeType === 3) {
        return target.parentNode
      }
      if (window.SVGElementInstance && target instanceof SVGElementInstance) {
        return target.correspondingUseElement
      }

      return target
    },
    updateScrollParent: function(targetElement) {
      //如果事件源元素位于某一个有滚动条的祖父元素中,那么保持其scrollParent与scrollTop值
      var scrollParent = targetElement.tapScrollParent

      if (!scrollParent || !scrollParent.contains(targetElement)) {
        var parentElement = targetElement
        do {
          if (parentElement.scrollHeight > parentElement.offsetHeight) {
            scrollParent = parentElement
            targetElement.tapScrollParent = parentElement
            break
          }

          parentElement = parentElement.parentElement
        } while (parentElement)
      }

      if (scrollParent) {
        scrollParent.lastScrollTop = scrollParent.scrollTop
      }
    },
    touchHasMoved: function(event) {
      //判定是否发生移动,其阀值是10px
      var touch = event.changedTouches[0],
        boundary = tapRecognizer.touchBoundary
      return (
        Math.abs(touch.pageX - tapRecognizer.pageX) > boundary ||
        Math.abs(touch.pageY - tapRecognizer.pageY) > boundary
      )
    },

    findType: function(targetElement) {
      // 安卓chrome浏览器上，模拟的 click 事件不能让 select 打开，故使用 mousedown 事件
      return deviceIsAndroid && targetElement.tagName.toLowerCase() === 'select'
        ? 'mousedown'
        : 'click'
    },
    sendClick: function(targetElement, event) {
      // 在click之前触发tap事件
      Recognizer.fire(targetElement, 'tap', {
        touchEvent: event
      })
      var clickEvent, touch
      //某些安卓设备必须先移除焦点，之后模拟的click事件才能让新元素获取焦点
      if (document.activeElement && document.activeElement !== targetElement) {
        document.activeElement.blur()
      }

      touch = event.changedTouches[0]
      // 手动触发点击事件,此时必须使用document.createEvent('MouseEvents')来创建事件
      // 及使用initMouseEvent来初始化它
      clickEvent = document.createEvent('MouseEvents')
      clickEvent.initMouseEvent(
        tapRecognizer.findType(targetElement),
        true,
        true,
        window,
        1,
        touch.screenX,
        touch.screenY,
        touch.clientX,
        touch.clientY,
        false,
        false,
        false,
        false,
        0,
        null
      )
      clickEvent.touchEvent = event
      targetElement.dispatchEvent(clickEvent)
    },
    touchstart: function(event) {
      //忽略多点触摸
      if (event.targetTouches.length !== 1) {
        return true
      }
      //修正事件源对象
      var targetElement = tapRecognizer.fixTarget(event.target)
      var touch = event.targetTouches[0]
      if (deviceIsIOS) {
        // 判断是否是点击文字，进行选择等操作，如果是，不需要模拟click
        var selection = window.getSelection()
        if (selection.rangeCount && !selection.isCollapsed) {
          return true
        }
        var id = touch.identifier
        //当 alert 或 confirm 时，点击其他地方，会触发touch事件，identifier相同，此事件应该被忽略
        if (
          id &&
          isFinite(tapRecognizer.lastTouchIdentifier) &&
          tapRecognizer.lastTouchIdentifier === id
        ) {
          event.preventDefault()
          return false
        }

        tapRecognizer.lastTouchIdentifier = id

        tapRecognizer.updateScrollParent(targetElement)
      }
      //收集触摸点的信息
      tapRecognizer.status = 'tapping'
      tapRecognizer.startTime = Date.now()
      tapRecognizer.element = targetElement
      tapRecognizer.pageX = touch.pageX
      tapRecognizer.pageY = touch.pageY
      // 如果点击太快,阻止双击带来的放大收缩行为
      if (
        tapRecognizer.startTime - tapRecognizer.lastTime <
        tapRecognizer.tapDelay
      ) {
        event.preventDefault()
      }
    },
    touchmove: function(event) {
      if (tapRecognizer.status !== 'tapping') {
        return true
      }
      // 如果事件源元素发生改变,或者发生了移动,那么就取消触发点击事件
      if (
        tapRecognizer.element !== tapRecognizer.fixTarget(event.target) ||
        tapRecognizer.touchHasMoved(event)
      ) {
        tapRecognizer.status = tapRecognizer.element = 0
      }
    },
    touchend: function(event) {
      var targetElement = tapRecognizer.element
      var now = Date.now()
      //如果是touchstart与touchend相隔太久,可以认为是长按,那么就直接返回
      //或者是在touchstart, touchmove阶段,判定其不该触发点击事件,也直接返回
      if (
        !targetElement ||
        now - tapRecognizer.startTime > tapRecognizer.tapDelay
      ) {
        return true
      }

      tapRecognizer.lastTime = now

      var startTime = tapRecognizer.startTime
      tapRecognizer.status = tapRecognizer.startTime = 0

      targetTagName = targetElement.tagName.toLowerCase()
      if (targetTagName === 'label') {
        //尝试触发label上可能绑定的tap事件
        Recognizer.fire(targetElement, 'tap', {
          touchEvent: event
        })
        var forElement = tapRecognizer.findControl(targetElement)
        if (forElement) {
          tapRecognizer.focus(targetElement)
          targetElement = forElement
        }
      } else if (tapRecognizer.needFocus(targetElement)) {
        //  如果元素从touchstart到touchend经历时间过长,那么不应该触发点击事
        //  或者此元素是iframe中的input元素,那么它也无法获点焦点
        if (
          now - startTime > 100 ||
          (deviceIsIOS && window.top !== window && targetTagName === 'input')
        ) {
          tapRecognizer.element = 0
          return false
        }

        tapRecognizer.focus(targetElement)
        deviceIsAndroid && tapRecognizer.sendClick(targetElement, event)

        return false
      }

      if (deviceIsIOS) {
        //如果它的父容器的滚动条发生改变,那么应该识别为划动或拖动事件,不应该触发点击事件
        var scrollParent = targetElement.tapScrollParent
        if (
          scrollParent &&
          scrollParent.lastScrollTop !== scrollParent.scrollTop
        ) {
          return true
        }
      }
      //如果这不是一个需要使用原生click的元素，则屏蔽原生事件，避免触发两次click
      if (!tapRecognizer.needClick(targetElement)) {
        event.preventDefault()
        // 触发一次模拟的click
        tapRecognizer.sendClick(targetElement, event)
      }
    },
    touchcancel: function() {
      tapRecognizer.startTime = tapRecognizer.element = 0
    }
  }

  Recognizer.add('tap', tapRecognizer)

  var pressRecognizer = {
    events: ['longtap', 'doubletap'],
    cancelPress: function(pointer) {
      clearTimeout(pointer.pressingHandler)
      pointer.pressingHandler = null
    },
    touchstart: function(event) {
      Recognizer.start(event, function(pointer, touch) {
        pointer.pressingHandler = setTimeout(function() {
          if (pointer.status === 'tapping') {
            Recognizer.fire(event.target, 'longtap', {
              touch: touch,
              touchEvent: event
            })
          }
          pressRecognizer.cancelPress(pointer)
        }, 800)
        if (event.changedTouches.length !== 1) {
          pointer.status = 0
        }
      })
    },
    touchmove: function(event) {
      Recognizer.move(event, function(pointer) {
        if (pointer.distance > 10 && pointer.pressingHandler) {
          pressRecognizer.cancelPress(pointer)
          if (pointer.status === 'tapping') {
            pointer.status = 'panning'
          }
        }
      })
    },
    touchend: function(event) {
      Recognizer.end(event, function(pointer, touch) {
        pressRecognizer.cancelPress(pointer)
        if (pointer.status === 'tapping') {
          pointer.lastTime = Date.now()
          if (
            pressRecognizer.lastTap &&
            pointer.lastTime - pressRecognizer.lastTap.lastTime < 300
          ) {
            Recognizer.fire(pointer.element, 'doubletap', {
              touch: touch,
              touchEvent: event
            })
          }

          pressRecognizer.lastTap = pointer
        }
      })
    },
    touchcancel: function(event) {
      Recognizer.end(event, function(pointer) {
        pressRecognizer.cancelPress(pointer)
      })
    }
  }
  Recognizer.add('press', pressRecognizer)

  var swipeRecognizer = {
    events: ['swipe', 'swipeleft', 'swiperight', 'swipeup', 'swipedown'],
    getAngle: function(x, y) {
      return Math.atan2(y, x) * 180 / Math.PI
    },
    getDirection: function(x, y) {
      var angle = swipeRecognizer.getAngle(x, y)
      if (angle < -45 && angle > -135) {
        return 'up'
      } else if (angle >= 45 && angle < 315) {
        return 'down'
      } else if (angle > -45 && angle <= 45) {
        return 'right'
      } else {
        return 'left'
      }
    },
    touchstart: function(event) {
      Recognizer.start(event, noop)
    },
    touchmove: function(event) {
      Recognizer.move(event, noop)
    },
    touchend: function(event) {
      if (event.changedTouches.length !== 1) {
        return
      }
      Recognizer.end(event, function(pointer, touch) {
        var isflick =
          pointer.distance > 30 && pointer.distance / pointer.duration > 0.65
        if (isflick) {
          var extra = {
            deltaX: pointer.deltaX,
            deltaY: pointer.deltaY,
            touch: touch,
            touchEvent: event,
            direction: swipeRecognizer.getDirection(
              pointer.deltaX,
              pointer.deltaY
            ),
            isVertical: pointer.isVertical
          }
          var target = pointer.element
          Recognizer.fire(target, 'swipe', extra)
          Recognizer.fire(target, 'swipe' + extra.direction, extra)
        }
      })
    }
  }

  swipeRecognizer.touchcancel = swipeRecognizer.touchend
  Recognizer.add('swipe', swipeRecognizer)

  /*********************************************************************
   *                    DOMReady                                       *
   *********************************************************************/

  var readyList = [],
    isReady
  var fireReady = function(fn) {
    isReady = true
    var require = Anot.require
    if (require && require.checkDeps) {
      modules['domReady!'].state = 4
      require.checkDeps()
    }
    while ((fn = readyList.shift())) {
      fn(Anot)
    }
  }

  if (DOC.readyState === 'complete') {
    setTimeout(fireReady) //如果在domReady之外加载
  } else {
    DOC.addEventListener('DOMContentLoaded', fireReady)
  }
  window.addEventListener('load', fireReady)
  Anot.ready = function(fn) {
    if (!isReady) {
      readyList.push(fn)
    } else {
      fn(Anot)
    }
  }

  return Anot
})()
export default _Anot