public void PostProcessPayment(PaymentInfo order) { string service = "trade_create_by_buyer"; string partner = "2088101147064570"; //合作伙伴ID string sign_type = "MD5"; //签名加密方式 string subject = order.SysOrderNo, //商品名称 - 订单号 body = order.SysOrderNo, // 订单号 应支付的货款 商品描述 out_trade_no = order.SysOrderNo; //订单号 string quantity = "1"; //数量 string price = order.OrderAmount; //总金额 0.01~50000.00 string seller_email = "*****@*****.**"; //卖家账号 string key = "gebkrkj0p9wzyluaprrcilcao52sremh|2088101147064570"; //partner账户的支付宝安全校验码 string return_url = order.ResultNotifyURL; //结果返回URL string notify_url = order.ResultNotifyURL; //服务器端通知返回URL string logistics_type = "EMS"; string _input_charset = "UTF-8"; string logistics_fee = "0"; string logistics_payment = "SELLER_PAY"; //string logistics_type_1 = "EXPRESS"; //string logistics_fee_1 = "2"; //string logistics_payment_1 = "SELLER_PAY"; string payment_type = "1"; if (key.IndexOf("|") > 0) { string[] ArrMD5Key = key.Split(new char[] { '|' }); key = ArrMD5Key[0]; partner = ArrMD5Key[1]; } //构造数组; string[] Params ={ "logistics_fee=" + logistics_fee, "logistics_payment=" + logistics_payment, "logistics_type=" + logistics_type, "notify_url=" + notify_url, "out_trade_no=" + out_trade_no, "partner=" + partner, "payment_type=" + payment_type, "price=" + price, "quantity=" + quantity, "return_url=" + return_url, "seller_email=" + seller_email, "service=" + service, "subject=" + subject }; //进行排序 string[] SortedParams = PayHelper.BubbleSort(Params); StringBuilder prestr = new StringBuilder(); for (int i = 0; i < SortedParams.Length; i++) { if (i == SortedParams.Length - 1) { prestr.Append(SortedParams[i]); } else { prestr.Append(SortedParams[i] + "&"); } } prestr.Append(key); string sign = PayHelper.GetMD5(prestr.ToString(), _input_charset).ToLower(); HttpHelper http = new HttpHelper(); http.Url = order.PayOnlineProviderUrl; http.Method = "GET"; http.Add("service", service); http.Add("logistics_type", logistics_type); http.Add("logistics_fee", logistics_fee); http.Add("logistics_payment", logistics_payment); http.Add("payment_type", payment_type); http.Add("seller_email", seller_email); http.Add("subject", subject); http.Add("out_trade_no", out_trade_no); http.Add("price", price); http.Add("partner", partner); http.Add("quantity", quantity); http.Add("notify_url", notify_url); http.Add("sign", sign); http.Add("sign_type", sign_type); http.Add("return_url", return_url); http.Post(); }