js获取当前日期时间 YYYY-MM-dd HH:MM:SS

1. 
function getCurrentTime() {
    var date = new Date();//当前时间
    var year = date.getFullYear() //返回指定日期的年份
    var month = repair(date.getMonth() + 1);//月
    var day = repair(date.getDate());//日
    var hour = repair(date.getHours());//时
    var minute = repair(date.getMinutes());//分
    var second = repair(date.getSeconds());//秒
    //当前时间 
    var curTime = year + "-" + month + "-" + day
            + " " + hour + ":" + minute + ":" + second;
    return curTime;
}
//补0
function repair(i){
    if (i >= 0 && i <= 9) {
        return "0" + i;
    } else {
        return i;
    }
}