94 lines
2.4 KiB
JavaScript
94 lines
2.4 KiB
JavaScript
/**
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*
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* @authors yutent (yutent@doui.cc)
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* @date 2017-02-27 22:01:10
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*
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*/
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'use strict'
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//获取当天是本月第几周
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if (!Date.isDate) {
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Object.defineProperty(Date, 'isDate', {
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value: function(obj) {
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return typeof obj === 'object' && obj.getTime ? true : false
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},
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enumerable: false
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})
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}
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if (!Date.prototype.getFullWeek) {
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//获取当天是本年度第几周
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Object.defineProperty(Date.prototype, 'getFullWeek', {
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value: function() {
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let thisYear = this.getFullYear()
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let that = new Date(thisYear, 0, 1)
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let firstDay = that.getDay()
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let numsOfToday = (this - that) / 24 / 360 / 1000
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return Math.ceil((numsOfToday + firstDay) / 7)
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},
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enumerable: false
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})
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//获取当天是本月第几周
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Object.defineProperty(Date.prototype, 'getWeek', {
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value: function() {
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let today = this.getDate()
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let thisMonth = this.getMonth()
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let thisYear = this.getFullYear()
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let firstDay = new Date(thisYear, thisMonth, 1).getDay()
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return Math.ceil((today + firstDay) / 7)
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},
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enumerable: false
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})
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}
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//时间格式化
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if (!Date.prototype.format) {
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Object.defineProperty(Date.prototype, 'format', {
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value: function(str) {
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str = str || 'Y-m-d H:i:s'
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let week = ['Mon', 'Tues', 'Wed', 'Thur', 'Fri', 'Sat', 'Sun']
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let dt = {
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fullyear: this.getFullYear(),
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year: this.getYear(),
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fullweek: this.getFullWeek(),
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week: this.getWeek(),
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month: this.getMonth() + 1,
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date: this.getDate(),
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day: week[this.getDay()],
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hours: this.getHours(),
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minutes: this.getMinutes(),
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seconds: this.getSeconds()
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}
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let reg = null
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dt.g = dt.hours > 12 ? dt.hours - 12 : dt.hours
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reg = {
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Y: dt.fullyear,
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y: dt.year,
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m: dt.month < 10 ? '0' + dt.month : dt.month,
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n: dt.month,
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d: dt.date < 10 ? '0' + dt.date : dt.date,
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j: dt.date,
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H: dt.hours < 10 ? '0' + dt.hours : dt.hours,
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h: dt.g < 10 ? '0' + dt.g : dt.g,
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G: dt.hours,
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g: dt.g,
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i: dt.minutes < 10 ? '0' + dt.minutes : dt.minutes,
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s: dt.seconds < 10 ? '0' + dt.seconds : dt.seconds,
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W: dt.fullweek,
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w: dt.week,
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D: dt.day
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}
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for (let i in re) {
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str = str.replace(new RegExp(i, 'g'), reg[i])
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}
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return str
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},
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enumerable: false
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})
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}
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