拼接日期填写表单

function nowTime(){//填写订单编号
var year=new Date().getUTCFullYear().toString();
var month=new Date().getMonth();
var date=new Date().getDate();
var hours=new Date().getHours();
var minutes=new Date().getMinutes();
var seconds=new Date().getSeconds();
var milliseconds=new Date().getMilliseconds();
if((month+1)<10)month="0"+(month+1);
if(date<10)date="0"+date;
if(hours<10)hours="0"+hours;
if(minutes<10)minutes="0"+minutes;
if(seconds<10)seconds="0"+seconds;
if(milliseconds<10)milliseconds="00"+milliseconds;
else if(milliseconds<100)milliseconds="0"+milliseconds;
var Time=year+month+date+hours+minutes+seconds+milliseconds;
$("#PurchaseCode").attr("value",Time)
}
nowTime();