JS Date时间格式的转换

var mydate = new Date('2012-05-10 10:10:21');
    console.log("格式化事件格式1--" + mydate.getTime());//输出的是：格式化事件格式1--1336615821000
扩展Date对象的属性
Date.prototype.format = function (format) {
        var o = {
            "M+": this.getMonth() + 1, //month
            "d+": this.getDate(), //day
            "h+": this.getHours(), //hour
            "m+": this.getMinutes(), //minute
            "s+": this.getSeconds(), //second
            "q+": Math.floor((this.getMonth() + 3) / 3), //quarter
            "S": this.getMilliseconds() //millisecond
        }
        if (/(y+)/.test(format))
            format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
        for (var k in o)
            if (new RegExp("(" + k + ")").test(format))
                format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" + o[k]).substr(("" + o[k]).length));
        return format;
    }
console.log("格式化事件格式2--" + (new Date(mydate.getTime())).format("yyyy-MM-dd hh:mm:ss"));//输出的是：格式化事件格式2--2012-05-10 10:10:21