获取当前的日期时间的js函数,格式为“yyyy-MM-dd hh:mm:ss”

//获取当前的日期时间函数,格式为“yyyy-MM-dd hh:mm:ss”
function getNowFormatDate(date) {
    if (date == null) {
        var date = new Date();
    }
    var seperator1 = "-";
    var seperator2 = ":";
    var month = date.getMonth() + 1;
    if (month >= 1 && month <= 9) {
        month = "0" + month;
    }
    var strDate = date.getDate();
    if (strDate >= 0 && strDate <= 9) {
        strDate = "0" + strDate;
    }
    var hour = date.getHours();
    if (hour >= 0 && hour <= 9) {
        hour = "0" + hour;
    }
    var minute = date.getMinutes();
    if (minute >= 0 && minute <= 9) {
        minute = "0" + minute;
    }
    var sec = date.getSeconds();
    if (sec >= 0 && sec <= 9) {
        sec = "0" + sec;
    }
    var currentdate = date.getFullYear() + seperator1 + month + seperator1
        + strDate + " " + hour + seperator2 + minute
        + seperator2 + sec;
    return currentdate;
}