毫秒数转具体事件方法

//毫秒数转具体事件方法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;}