//js时间戳转换日期
function formatDate(now) {
var year=now.getFullYear();
var month=now.getMonth()+1;
var date=now.getDate();
var hour=now.getHours();
var minute=now.getMinutes();
var second=now.getSeconds();
return year+"-"+month+"-"+date+" "+hour+":"+minute+":"+second;
}