// GET: Weixin
        public ActionResult Index(string productCode, string productName, string productDesc, string orderno, int total_fee)
        {
            LogService.LOG_LEVENL = 2;
            NativePay nativePay = new NativePay();
            //生成扫码支付模式二url
            string url = StringService.StringToHexString(nativePay.GetPayUrl(productCode, productName, productDesc, orderno, total_fee));

            Response.Redirect(Url.Action("ScanQRCodeImage", "weixin") + "?url=" + HttpUtility.UrlEncode(url) + "&orderno=" + orderno);

            return(View());
        }