var outTradeNo = “”; //订单号
var date = new Date();
for (var i = 0; i < 3; i++) //5位随机数,用以加在时间戳后面。
{
outTradeNo += Math.floor(Math.random() * 10);
}
outTradeNo = "WH" +date.getFullYear().toString() + (date.getMonth() + 1).toString() +
date.getDate().toString() + date.getHours().toString() + date.getMinutes().toString()
+ date.getSeconds().toString() + date.getMilliseconds().toString() + outTradeNo;
var _orderno = outTradeNo;