js格式化时间

var DateFormat = {
    formatTime:function(time){
        if (time != "" && time != null && time != "null") {
            var datetime = new Date();
            datetime.setTime(time);
            var year = datetime.getFullYear();
            var month = datetime.getMonth() + 1 < 10 ? "0"
                    + (datetime.getMonth() + 1) : datetime.getMonth() + 1;
            var date = datetime.getDate() < 10 ? "0" + datetime.getDate()
                    : datetime.getDate();
            var hour = datetime.getHours() < 10 ? "0" + datetime.getHours()
                    : datetime.getHours();
            var minute = datetime.getMinutes() < 10 ? "0"
                    + datetime.getMinutes() : datetime.getMinutes();
            var second = datetime.getSeconds() < 10 ? "0"
                    + datetime.getSeconds() : datetime.getSeconds();
            return year + "-" + month + "-" + date + " " + hour + ":" + minute
                    + ":" + second;
        } else {
            return "";
        }
    },
};