107 lines
3.2 KiB
JavaScript
107 lines
3.2 KiB
JavaScript
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/**
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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,
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'isDate',
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{
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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,
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'getFullWeek',
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{
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value: function(){
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let thisYear = this.getFullYear(),
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that = new Date(thisYear, 0, 1),
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firstDay = that.getDay(),
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numsOfToday = (this - that) / 86400000;
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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,
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'getWeek',
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{
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value: function(){
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let today = this.getDate(),
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thisMonth = this.getMonth(),
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thisYear = this.getFullYear(),
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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,
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'format',
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{
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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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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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re;
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dt.g = dt.hours > 12 ? dt.hours - 12 : dt.hours
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re = {
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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'), re[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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