// 日期格式化函数// yyyy/MM/dd hh:mm:ss SSS ⇒ "2017/05/16 09:24:20 850"//"yyyy/M/d h:m:s SSS"⇒ "2017/5/16 9:24:35 723"Date.prototype.format2 = function(format) {    var map = {        ‘M+‘: this.getMonth() + 1,        ‘d+‘: this.getDate(),        ‘h+‘: this.getHours(),        ‘m+‘: this.getMinutes(),        ‘s+‘: this.getSeconds()    }    if (/(y+)/i.test(format)) {        format = format.replace(RegExp.$1, (this.getFullYear() + ‘‘).substr( - RegExp.$1.length));    }    for (var k in map) {        if (new RegExp(‘(‘ + k + ‘)‘).test(format)) {            var strValue = http://www.mamicode.com/map[k] + ‘‘;            var len = RegExp.$1.length < strValue.length ? strValue.length: RegExp.$1.length;            if (strValue.length == 1) {                strValue = ‘0‘ + strValue;            }            format = format.replace(RegExp.$1, strValue.substr( - len));        }    }    if (/(S+)/.test(format)) {        format = format.replace(RegExp.$1, (this.getMilliseconds() + ‘‘).substr(0, RegExp.$1.length));    }    return format;}