js获取yyyy-mm-dd hh:mm:ss格式的当前系统时间

    function getNowFormatDate() {
        var date = new Date();
        var seperator1 = "-";
        var seperator2 = ":";
        var month = date.getMonth() + 1;
        var strDate = date.getDate();
        var nowHours = date.getHours();
        var nowMinutes = date.getMinutes();
        var nowSeconds = date.getSeconds();
        if (month >= 1 && month <= 9) {
            month = "0" + month;
        }
        if (strDate >= 0 && strDate <= 9) {
            strDate = "0" + strDate;
        }
        if (nowHours >= 0 && nowHours <= 9) {
            nowHours = "0" + nowHours
        }
        if (nowMinutes >= 0 && nowMinutes <= 9) {
            nowMinutes = "0" + nowMinutes
        }
        if (nowSeconds >= 0 && nowSeconds <= 9) {
            nowSeconds = "0" + nowSeconds
        }
        var currentdate = date.getFullYear() + seperator1 + month + seperator1 + strDate
                + " " + nowHours + seperator2 + nowMinutes
                + seperator2 + nowSeconds;
        return currentdate;
    }