/// <summary>
        /// 即刻回调函数
        /// </summary>
        /// <returns></returns>
        public ActionResult Alipay_Return()
        {
            bool   isSuccess  = false;
            string AcitonCate = string.Empty;

            try
            {
                SortedDictionary <string, string> sArrary = GetRequestGet();
                ///////////////////////以下参数是需要设置的相关配置参数,设置后不会更改的//////////////////////
                AlipayConfig con           = new AlipayConfig();
                string       partner       = con.Partner;
                string       key           = con.Key;
                string       input_charset = con.Input_charset;
                string       sign_type     = con.Sign_type;
                string       transport     = con.Transport;
                //////////////////////////////////////////////////////////////////////////////////////////////

                if (sArrary.Count > 0)//判断是否有带返回参数
                {
                    AlipayNotify aliNotify   = new AlipayNotify(sArrary, Request.QueryString["notify_id"], partner, key, input_charset, sign_type, transport);
                    string       responseTxt = aliNotify.ResponseTxt;       //获取远程服务器ATN结果,验证是否是支付宝服务器发来的请求
                    string       sign        = Request.QueryString["sign"]; //获取支付宝反馈回来的sign结果
                    string       mysign      = aliNotify.Mysign;            //获取通知返回后计算后(验证)的签名结果

                    //写日志记录(若要调试,请取消下面两行注释)
                    //string sWord = "responseTxt=" + responseTxt + "\n return_url_log:sign=" + Request.QueryString["sign"] + "&mysign=" + mysign + "\n return回来的参数:" + aliNotify.PreSignStr;
                    //AlipayFunction.log_result(Server.MapPath("log/" + DateTime.Now.ToString().Replace(":", "")) + ".txt",sWord);

                    //判断responsetTxt是否为ture,生成的签名结果mysign与获得的签名结果sign是否一致
                    //responsetTxt的结果不是true,与服务器设置问题、合作身份者ID、notify_id一分钟失效有关
                    //mysign与sign不等,与安全校验码、请求时的参数格式(如:带自定义参数等)、编码格式有关

                    if (responseTxt == "true" && sign == mysign)//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           = Request.QueryString["trade_no"];     //支付宝交易号
                        string order_no           = Request.QueryString["out_trade_no"]; //获取订单号
                        string total_fee          = Request.QueryString["total_fee"];    //获取总金额
                        string subject            = Request.QueryString["subject"];      //商品名称、订单名称
                        string body               = Request.QueryString["body"];         //商品描述、订单备注、描述
                        string buyer_email        = Request.QueryString["buyer_email"];  //买家支付宝账号
                        string trade_status       = Request.QueryString["trade_status"]; //交易状态
                        string extra_common_param = Request.QueryString["trade_status"]; //会员唯一编号
                        ////打印页面
                        if (Request.QueryString["trade_status"] == "TRADE_FINISHED" || Request.QueryString["trade_status"] == "TRADE_SUCCESS")
                        {
                            //#################################################
                            try
                            {
                                SqlTranEx.SqlTranExtensions _STE = new SqlTranEx.SqlTranExtensions();
                                #region 付款成功之后的操作
                                switch (body)
                                {
                                }
                                #endregion

                                isSuccess = _STE.ExecuteSqlTran();

                                //return Content("失败:该流水号不存在");
                            }
                            catch { return(Content("Error")); }
                            //#################################################
                        }
                        else
                        {
                            Response.Write("trade_status=" + Request.QueryString["trade_status"]);
                        }
                        ////——请根据您的业务逻辑来编写程序(以上代码仅作参考)——
                    }
                    else
                    { //验证失败
                    }
                }
                else
                {
                    return(Content("无返回参数"));
                }
            }
            catch (Exception ex)
            {
            }

            if (isSuccess)
            {
                if (AcitonCate == "充值")
                {
                    return(RedirectToAction("MemberAccountInfo", "MSComm"));
                }
                else if (AcitonCate == "活动付款")
                {
                    return(RedirectToAction("SignUpSuccess", "Home"));
                }
                else if (AcitonCate == "会员卡")
                {
                    return(RedirectToAction("MemberCardLog", "MSComm"));
                }
                return(RedirectToAction("MemberAccountInfo", "MSComm"));
            }
            else
            {
                if (AcitonCate == "充值")
                {
                    return(RedirectToAction("MemberAccountInfo", "MSComm"));
                }
                else if (AcitonCate == "活动付款")
                {
                    return(RedirectToAction("SignUpFailed", "Home", new { msg = "支付失败,请重新核对支付信息后重新支付" }));
                }
                else if (AcitonCate == "会员卡")
                {
                    return(RedirectToAction("MemberCardLog", "MSComm"));
                }
                return(RedirectToAction("SignUpFailed", "Home", new { msg = "支付失败,请重新核对支付信息后重新支付" }));
            }
        }