Js计算时间差

 

    /**
     * 计算流逝时间
     * @param time 时间
     * @param trim 是否去除0值
     */
    Utils.prototype.elapsedTime = function (time, trim) {
        if (trim === undefined) {
            trim = true;
        }
        if (time <= 0) {
            time = -time;
        }
        var d = Math.round(time / 86400000);
        time %= 86400000;
        var h = Math.round(time / 3600000);
        time %= 3600000;
        var m = Math.round(time / 60000);
        time %= 60000;
        var s = Math.round(time / 1000);
        var sb = '';
        if (!trim || d !== 0)
            sb = sb + d + "天";
        if (!trim || h !== 0)
            sb = sb + h + "小时";
        if (!trim || m !== 0)
            sb = sb + m + "分";
        if (!trim || s !== 0)
            sb = sb + s + "秒";
        return sb;
    };