支付宝支付

支付宝实例：

页面跳转同步通知页面

protected void Page_Load(object sender, EventArgs e)
        {
            SortedDictionary<string, string> sPara = GetRequestGet();

            if (sPara.Count > 0)//判断是否有带返回参数
            {
                Notify aliNotify = new Notify();
                string key1 = "";
                string key2 = "";
                string key3 = "";
                bool verifyResult1 = aliNotify.Verify(sPara, Request.QueryString["notify_id"], Request.QueryString["sign"], key1);
                bool verifyResult2 = aliNotify.Verify(sPara, Request.QueryString["notify_id"], Request.QueryString["sign"], key2);
                bool verifyResult3 = aliNotify.Verify(sPara, Request.QueryString["notify_id"], Request.QueryString["sign"], key3);

                if (verifyResult1 || verifyResult2 || verifyResult3)//验证成功
                {
                    /////////////////////////////////////////////////////////////////////////////////////////////////////////////
                    //请在这里加上商户的业务逻辑程序代码


                    //——请根据您的业务逻辑来编写程序（以下代码仅作参考）——
                    //获取支付宝的通知返回参数，可参考技术文档中页面跳转同步通知参数列表

                    //商户订单号

                    string out_trade_no = Request.QueryString["out_trade_no"];

                    //支付宝交易号

                    string trade_no = Request.QueryString["trade_no"];

                    //交易状态
                    string trade_status = Request.QueryString["trade_status"];

                    LogHelper.CreateLog("支付宝同步回调数据成功->订单号：" + out_trade_no + ",交易号：" + trade_no + ",交易状态：" + trade_status, out_trade_no);
                    if (Request.QueryString["trade_status"] == "TRADE_FINISHED" || Request.QueryString["trade_status"] == "TRADE_SUCCESS")
                    {
                        //判断该笔订单是否在商户网站中已经做过处理
                        //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                        //如果有做过处理，不执行商户的业务程序
                        LogHelper.CreateLog("支付宝同步回调数据成功->支付成功->跳转到购买成功页面！", out_trade_no);
                        Session["orderID"] = out_trade_no;
                        Response.Redirect("TicketSuccess.aspx");
                    }
                    else
                    {
                        LogHelper.CreateLog("支付宝同步回调数据成功->支付失败->跳转到购买失败页面！", out_trade_no);
                        Response.Redirect("TicketFailure.aspx");
                    }
                }
                else//验证失败
                {
                    LogHelper.CreateLog("支付宝同步回调数据验证失败->支付失败->跳转到购买失败页面！", "Alipay_Return_Errors");
                }
            }
            else
            {
                LogHelper.CreateLog("支付宝同步回调数据验证失败->无返回参数->支付失败->跳转到购买失败页面！", "Alipay_Return_Errors");
            }
        }

服务器异步通知页面

protected void Page_Load(object sender, EventArgs e)
        {
            ipowdb_fengleyuanDataContext ydc = ConnHelper.ipowdb_fengleyuan();

            SortedDictionary<string, string> sPara = GetRequestPost();

            if (sPara.Count > 0)//判断是否有带返回参数
            {
                Notify aliNotify = new Notify();
                string key1 = "key1";//支付宝账号客户的key,这里面写三个是因为有三个支付宝账号，不确定会用到哪个，所以，全部写了，然后通过验证去使用其中的一个
                string key2 = "key2";
                string key3 = "key3";
                bool verifyResult1 = aliNotify.Verify(sPara, Request.Form["notify_id"], Request.Form["sign"], key1);
                bool verifyResult2= aliNotify.Verify(sPara, Request.Form["notify_id"], Request.Form["sign"], key2);
                bool verifyResult3 = aliNotify.Verify(sPara, Request.Form["notify_id"], Request.Form["sign"], key3);

                if (verifyResult1 || verifyResult2 || verifyResult3)//验证成功
                {
                    //商户订单号
                    string out_trade_no = Request.Form["out_trade_no"];

                    //支付宝交易号
                    string trade_no = Request.Form["trade_no"];

                    //交易状态
                    string trade_status = Request.Form["trade_status"];

                    LogHelper.CreateLog("支付宝异步回调数据成功->订单号：" + out_trade_no + ",交易号：" + trade_no + ",交易状态：" + trade_status, out_trade_no);
                    if (trade_status == "TRADE_FINISHED")
                    {
                        //判断该笔订单是否在商户网站中已经做过处理
                        //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                        //如果有做过处理，不执行商户的业务程序

                        //注意：
                        //该种交易状态只在两种情况下出现
                        //1、开通了普通即时到账，买家付款成功后。
                        //2、开通了高级即时到账，从该笔交易成功时间算起，过了签约时的可退款时限（如：三个月以内可退款、一年以内可退款等）后。

                        string orderID = out_trade_no;
                        e_TicketOrder order = ydc.e_TicketOrder.SingleOrDefault(obj => obj.OrderID == orderID);
                        //更改支付状态
                        if (order.IsPay == 0)
                        {
                            order.IsPay = 1;
                            order.PayType = "支付宝";
                            order.trade_no = trade_no;
                            //卖家账号
                            if (Request.Form["seller_email"] != null)
                            {
                                order.seller_email = Request.Form["seller_email"];
                            }
                            //买家账号
                            if (Request.Form["buyer_email"] != null)
                            {
                                order.buyer_email = Request.Form["buyer_email"];
                            }
                            ydc.SubmitChanges();
                            LogHelper.CreateLog("TRADE_FINISHED->支付成功", orderID);
                        }
                        //发送短信
                        if (order.SmsStatus == 0)
                        {
                            string product_id = "";
                            var products = ydc.e_TicketOrderProduct.Where(obj => obj.OrderID == orderID);
                            foreach (var item in products)
                            {
                                var ticket = ydc.e_Ticket.SingleOrDefault(obj => obj.TicketID == item.TicketID);
                                product_id += ticket.ProductId + ",";
                            }
                            if (product_id.Length > 0)
                            {
                                product_id = product_id.Substring(0, product_id.Length - 1);
                            }
                            LogHelper.CreateLog("TRADE_FINISHED->开始发送电子凭证。" + product_id + "," + orderID + "," + order.Mobile + "," + order.CardID + "," + order.PlayDate, orderID);
                            YNClass ync = new YNClass();
                            //彩信内容
                            string mms_content = "xx门票，您购买的门票订单号是：" + orderID + "。您也可以前往官网 http://www.xx.com.cn/ticket/ticketSea.aspx 查询您的订单状态。";
                            SendTicketRet result = ync.sendticket("xx@126.com", "fengleyuan"
                                , product_id, orderID, order.Mobile, "qr", "", "sms_mms", "1", "only_one"
                                , DateTime.Now.ToString("yyyy-MM-dd") + " 00:00:00"
                                , Convert.ToDateTime(order.PlayDate).ToString("yyyy-MM-dd") + (" 23:59:59")
                                , "xx门票二维码凭证", mms_content, mms_content, "无", "http://www.xx.com.cn/ticket/YN_Notify.aspx");
                            if (result.ErrorCode == "0")
                            {
                                order.SmsStatus = 1;
                                order.SmsID = result.OrderID;
                                ydc.SubmitChanges();
                                LogHelper.CreateLog("TRADE_FINISHED->开始发送电子凭证->电子凭证发送成功", orderID);
                            }
                            else
                            {
                                LogHelper.CreateLog("TRADE_FINISHED->开始发送电子凭证->凭证发送失败，原因：" + result.ErrorCode + "," + result.Description, orderID);
                            }
                        }
                    }
                    else if (trade_status == "TRADE_SUCCESS")
                    {
                        //判断该笔订单是否在商户网站中已经做过处理
                        //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                        //如果有做过处理，不执行商户的业务程序

                        //注意：
                        //该种交易状态只在一种情况下出现——开通了高级即时到账，买家付款成功后。
                        string orderID = out_trade_no;
                        e_TicketOrder order = ydc.e_TicketOrder.SingleOrDefault(obj => obj.OrderID == orderID);
                        //更改支付状态
                        if (order.IsPay == 0)
                        {
                            order.IsPay = 1;
                            order.PayType = "支付宝";
                            order.trade_no = trade_no;
                            //卖家账号
                            if (Request.Form["seller_email"] != null)
                            {
                                order.seller_email = Request.Form["seller_email"];
                            }
                            //买家账号
                            if (Request.Form["buyer_email"] != null)
                            {
                                order.buyer_email = Request.Form["buyer_email"];
                            }
                            ydc.SubmitChanges();
                            LogHelper.CreateLog("TRADE_SUCCESS->支付成功", orderID);
                        }
                        //发送短信
                        if (order.SmsStatus == 0)
                        {
                            string product_id = "";
                            var products = ydc.e_TicketOrderProduct.Where(obj => obj.OrderID == orderID);
                            foreach (var item in products)
                            {
                                var ticket = ydc.e_Ticket.SingleOrDefault(obj => obj.TicketID == item.TicketID);
                                product_id += ticket.ProductId + ",";
                            }
                            if (product_id.Length > 0)
                            {
                                product_id = product_id.Substring(0, product_id.Length - 1);
                            }
                            LogHelper.CreateLog("TRADE_SUCCESS->开始发送电子凭证。" + product_id + "," + orderID + "," + order.Mobile + "," + order.CardID + "," + order.PlayDate, orderID);
                            YNClass ync = new YNClass();
                            //彩信内容
                            string mms_content = "xx门票，您购买的门票订单号是：" + orderID + "。您也可以前往官网 http://www.xx.com.cn/ticket/ticketSea.aspx 查询您的订单状态。";
                            SendTicketRet result = ync.sendticket("xx@126.com", "fengleyuan"
                                , product_id, orderID, order.Mobile, "qr", "", "sms_mms", "1", "only_one"
                                , DateTime.Now.ToString("yyyy-MM-dd") + " 00:00:00"
                                , Convert.ToDateTime(order.PlayDate).ToString("yyyy-MM-dd") + (" 23:59:59")
                                , "xx门票二维码凭证", mms_content, mms_content, "无", "http://www.xx.com.cn/ticket/YN_Notify.aspx");
                            if (result.ErrorCode == "0")
                            {
                                order.SmsStatus = 1;
                                order.SmsID = result.OrderID;
                                ydc.SubmitChanges();
                                LogHelper.CreateLog("TRADE_SUCCESS->开始发送电子凭证->电子凭证发送成功", orderID);
                            }
                            else
                            {
                                LogHelper.CreateLog("TRADE_SUCCESS->开始发送电子凭证->凭证发送失败，原因：" + result.ErrorCode + "," + result.Description, orderID);
                            }
                        }
                    }
                    else
                    {
                        LogHelper.CreateLog("出现第三种状态->else", "Alipay_Notify");
                    }

                    //——请根据您的业务逻辑来编写程序（以上代码仅作参考）——

                    Response.Write("success");  //请不要修改或删除

                    /////////////////////////////////////////////////////////////////////////////////////////////////////////////
                }
                else//验证失败
                {
                    LogHelper.CreateLog("验证失败->fail", "Alipay_Notify");
                    Response.Write("fail");
                }
            }
            else
            {
                LogHelper.CreateLog("无通知参数", "Alipay_Notify");
                Response.Write("无通知参数");
            }
        }

支付宝demo下载地址:http://pan.baidu.com/s/1hqABnYO