BeeCloudSDKDemo._return.Page_Load C# (CSharp) Method

        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
            {
                //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"];

                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
                    Response.Write("支付成功");
                }
                else
                {
                    Response.Write("trade_status=" + Request.QueryString["trade_status"]);
                }

                //打印页面
                Response.Write("验证成功<br />");
            }
            else
            {
                Response.Write("无返回参数");
            }
        }