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wcui/js/lib/count/doui.count.js

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JavaScript
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2017-03-30 01:40:59 +08:00
/**
*
* @authors yutent (yutent@doui.cc)
* @date 2016-08-19 10:38:25
*
*/
"use strict";
define(['avalon'], function(av){
av.component('do:count', {
$replace: true,
$template: '<ul class="do-ui-count"><li class="num-box" ms-repeat-obj="list" ms-class="split:obj.opt === 0"><span class="num" ms-repeat="obj.val">{{el}}</span></li></ul>',
maxLen: 8,
speed: 1,
update: av.noop,
list: [],
$list: [],
total: 0,
style: 2,
$construct: function(opt, a, b){
var vm = av.mix(a, b)
document.head.insertAdjacentHTML('afterBegin', '<style>' +
'.do-ui-count {width: 100%;height: 50px;text-align:center;}' +
'.do-ui-count li.num-box {overflow:hidden;display: inline-block;position: relative;width: 40px;height: 50px;margin:0 15px;line-height: 50px;background: #09f;font-size: 30px;}' +
'.do-ui-count li.num-box .num {display: block;width: 100%;height: 50px;margin-top: 0;transition: .3s ease-in-out}' +
'.do-ui-count li.num-box.split {width: auto;margin:0;background: none;}' +
'</style>')
vm.total = vm.total >> 0
vm.maxLen = vm.maxLen || 8
return av.mix(opt, vm)
},
$ready: function(vm, ele){
function updateList(val){
val = numberFormat(val, vm.maxLen)
vm.$list = []
vm.$list = val.split('')
if(vm.style === 2){
vm.$list = vm.$list.reverse()
val = vm.$list.join('').replace(/([\d,]{3})/g, '$1,')
val = val.replace(/^,|,$/g, '')
vm.$list = val.split('').reverse()
}
vm.$list.forEach(function(it, i){
if(it === ','){
if(!vm.list[i])
vm.list.push({opt: 0, val: [it]})
}else{
if(vm.list[i]){
if(it !== vm.list[i].last){
vm.list[i].last = it
vm.list[i].val.push(it)
var curr = ele.querySelectorAll('.num-box')[i]
curr.querySelector('.num').style.marginTop = vm.speed * 50 + 'px'
setTimeout(function(){
vm.list[i].val.shift()
}, 300)
}
}else{
vm.list.push({opt: 1, last: it, val: [it]})
}
}
})
}
updateList(vm.total)
vm.update = function(val){
if(val < 0) //确定滚动方向
vm.speed = 1
else
vm.speed = -1
vm.total = (vm.total - 0) + val
}
vm.$watch('total', function(n, o){
if(n === o)
return
updateList(n)
})
},
})
//数字长度补全前面加0
function numberFormat(num, len){
num += ''
if(num.length >= len)
return num
while(num.length < len)
num = '0' + num
return num
}
return av
})