// 1.猎取当前时候

function CurentTime() {

var now = new Date();

var year = now.getFullYear(); // 年
var month = now.getMonth() + 1; // 月
var day = now.getDate(); // 日

var hh = now.getHours(); // 时
var mm = now.getMinutes(); // 分
var ss = now.getSeconds(); // 秒

var clock = year + "-";

if (month < 10)
    clock += "0";

clock += month + "-";

if (day < 10)
    clock += "0";

clock += day + " ";

if (hh < 10)
    clock += "0";

clock += hh + ":";
if (mm < 10)
    clock += '0';
clock += mm + ":";

if (ss < 10)
    clock += '0';
clock += ss;
return (clock);

}

// 2.猎取当前时候推后n个月的时候

function getDefaultDate(n) {

var dd = new Date();
var newDate = new Date(dd.getFullYear(), dd.getMonth() + n, dd.getDate());
var month = newDate.getMonth() + 1;
var day = dd.getDate();
if(month<10){
    month = "0" + month;
}
if(day<10){
    day = "0" + day;
}
return newDate.getFullYear() + "-" + month + "-" + day;

}