protected void Page_Load(object sender, EventArgs e)
        {
            //创建支付应答对象
            ResponseHandler resHandler = new ResponseHandler(Context);
            resHandler.init();
            wx_payment_wxpay payBll = new wx_payment_wxpay();

            //暂未获得wid
            Model.wx_payment_wxpay paymentInfo = payBll.GetModel(1);

            resHandler.setKey(paymentInfo.partnerKey, paymentInfo.paySignKey); //密匙,paysignkey

            //判断签名
            if (resHandler.isWXsignfeedback())
            {
                //回复服务器处理成功
                string AppId = resHandler.getMpParameter("AppId");
                string TimeStamp = resHandler.getMpParameter("TimeStamp");
                string OpenId = resHandler.getMpParameter("OpenId");
                string AppSignature = resHandler.getMpParameter("AppSignature");
                string MsgType = resHandler.getMpParameter("MsgType");
                string FeedBackId = resHandler.getMpParameter("FeedBackId");
                string TransId = resHandler.getMpParameter("TransId");
                string Reason = resHandler.getMpParameter("Reason");
                string Solution = resHandler.getMpParameter("Solution");
                string ExtInfo = resHandler.getMpParameter("ExtInfo");
                string SignMethod = resHandler.getParameter("SignMethod");
                string txt = string.Empty;
                if (MsgType.ToLower().Trim() == "request")
                {
                    //新增维权操作
                }
                else
                {
                    //用户确认处理完毕操作
                }

                //回复服务器处理成功
                Response.Write("OK");
                Response.Write("OK:" + resHandler.getDebugInfo());
            }
            else
            {
                //sha1签名失败
                Response.Write("fail");
                Response.Write("fail:" + resHandler.getDebugInfo());
            }
            Response.End();
        }