JS计算两日期之间相差的月份

function getMonthNumber(date1, date2) {
//默认格式为"20030303",根据自己需要改格式和方法
var year1 = date1.substr(0, 4);
var year2 = date2.substr(0, 4);
var month1 = date1.substr(4, 2);
var month2 = date2.substr(4, 2);
var len = (year2 - year1) * 12 + (month2 - month1);

var day = date2.substr(6, 2) - date1.substr(6, 2);
if (day > 0) {
len += 1;
}
else if (day < 0)
{
len -= 1;
}
return len;
}


获取当前的日期时间 格式“yyyy-MM-dd HH:MM:SS”

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