js获取当前时间，指定时间的时间戳，当前的日期
function transdate(endTime){
var date=new Date();
date.setFullYear(endTime.substring(0,4));
date.setMonth(endTime.substring(5,7)-1);
date.setDate(endTime.substring(8,10));
date.setHours(endTime.substring(11,13));
date.setMinutes(endTime.substring(14,16));
date.setSeconds(endTime.substring(17,19));
return Date.parse(date)/1000;
}
alert(transdate('2015-11-30 17:45:00'));// 指定时间的时间戳

var date =new Date();
var currenttime = Date.parse(date)/1000;
alert(currenttime );// 当前时间的时间戳

//获取当前日期
function getNowFormatDate() {
var date = new Date();
var seperator1 = "-";
var year = date.getFullYear();
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 = year + seperator1 + month + seperator1 + strDate;
return currentdate;
}