protected void Page_Load(object sender, EventArgs e)
        {
            //读取站点配置信息
            Model.siteconfig siteConfig = new BLL.siteconfig().loadConfig(DTKeys.FILE_SITE_XML_CONFING);
            SortedDictionary<string, string> sPara = GetRequestGet();

            if (sPara.Count > 0)//判断是否有带返回参数
            {
                Notify aliNotify = new Notify();
                bool verifyResult = aliNotify.Verify(sPara, DTRequest.GetString("notify_id"), DTRequest.GetString("sign"));

                if (verifyResult)//验证成功
                {
                    //——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
                    string trade_no = DTRequest.GetString("trade_no"); //支付宝交易号
                    string order_no = DTRequest.GetString("out_trade_no");	 //获取订单号
                    string total_fee = DTRequest.GetString("total_fee"); //获取总金额
                    string subject = DTRequest.GetString("subject"); //商品名称、订单名称
                    string body = DTRequest.GetString("body"); //商品描述、订单备注、描述
                    string buyer_email = DTRequest.GetString("buyer_email"); //买家支付宝账号
                    string trade_status = DTRequest.GetString("trade_status"); //交易状态
                    string order_type = DTRequest.GetString("extra_common_param"); //订单交易类别

                    if (DTRequest.GetString("trade_status") == "TRADE_FINISHED" || DTRequest.GetString("trade_status") == "TRADE_SUCCESS")
                    {
                        //成功状态
                        Response.Redirect(new Web.UI.BasePage().linkurl("payment1", "succeed", order_type, order_no));
                        return;
                    }
                }
            }
            //失败状态
            Response.Redirect(new Web.UI.BasePage().linkurl("payment", "error"));
            return;
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            SortedDictionary<string, string> sPara = GetRequestPost();

            if (sPara.Count > 0)//判断是否有带返回参数
            {
                Notify aliNotify = new Notify();
                bool verifyResult = aliNotify.Verify(sPara, DTRequest.GetString("notify_id"), DTRequest.GetString("sign"));

                if (verifyResult)//验证成功
                {
                    string trade_no = DTRequest.GetString("trade_no"); //支付宝交易号
                    string order_no = DTRequest.GetString("out_trade_no"); //获取订单号
                    string total_fee = DTRequest.GetString("total_fee"); //获取总金额
                    string subject = DTRequest.GetString("subject"); //商品名称、订单名称
                    string body = DTRequest.GetString("body"); //商品描述、订单备注、描述
                    string buyer_email = DTRequest.GetString("buyer_email"); //买家支付宝账号
                    string trade_status = DTRequest.GetString("trade_status"); //交易状态
                    string order_type = DTRequest.GetString("extra_common_param"); //订单交易类别

                    if (DTRequest.GetString("trade_status") == "TRADE_FINISHED" || DTRequest.GetString("trade_status") == "TRADE_SUCCESS")
                    {
                        //修改支付状态、时间
                        if (order_type.ToLower() == DTEnums.AmountTypeEnum.Recharge.ToString().ToLower()) //在线充值
                        {
                            BLL.amount_log bll = new BLL.amount_log();
                            Model.amount_log model = bll.GetModel(order_no);
                            if (model == null)
                            {
                                Response.Write("该订单号不存在");
                                return;
                            }
                            if (model.value != decimal.Parse(total_fee))
                            {
                                Response.Write("订单金额和支付金额不相符");
                                return;
                            }
                            model.status = 1;
                            model.complete_time = DateTime.Now;
                            bool result = bll.Update(model);
                            if (!result)
                            {
                                Response.Write("修改订单状态失败");
                                return;
                            }
                        }
                        else
                            if (order_type.ToLower() == DTEnums.AmountTypeEnum.BuyGoods.ToString().ToLower()) //购买商品
                            {
                                BLL.orders bll = new BLL.orders();
                                Model.orders model = bll.GetModel(order_no);
                                if (model == null)
                                {
                                    Response.Write("该订单号不存在");
                                    return;
                                }
                                if (model.order_amount != decimal.Parse(total_fee))
                                {
                                    Response.Write("订单金额和支付金额不相符");
                                    return;
                                }
                                bool result = bll.UpdateField(order_no, "payment_status=2,payment_time='" + DateTime.Now + "'");
                                if (!result)
                                {
                                    Response.Write("修改订单状态失败");
                                    return;
                                }
                                //扣除积分
                                if (model.point < 0)
                                {
                                    new BLL.point_log().Add(model.user_id, model.user_name, model.point, "换购扣除积分,订单号:" + model.order_no);
                                }
                            }
                    }

                    Response.Write("success"); //请不要修改或删除
                }
                else//验证失败
                {
                    Response.Write("fail");
                }
            }
            else
            {
                Response.Write("无通知参数");
            }
        }