格式化时间

format(fmt) {
    var date = fmt;
    var Y = date.getFullYear() + '-';
    var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
    var D = date.getDate() + ' ';
    var h = date.getHours() + ':';
    var m = date.getMinutes() + ':';
    var s = date.getSeconds();
    var timers=Y  + M  + D  + h  + m  + s;
    console.log(timers);
    return timers;
}
format(new Date())
// 输出结果：2014-04-23 18:55:49