function timestampToTime(timestamp) {
        var date = new Date(timestamp * 1000);
        //時間戳為10位需*1000，時間戳為13位的話不需乘1000
        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();
        return Y+M+D+h+m+s;
    }
    //然後呼叫 
    var timeDate = Date.parse(new Date()); 
    alert(timestampToTime(timeDate))