微信掃碼支付~官方DEMO的坑~參數不能自定義

    public class NotifyResult : ResultBase
    {
        public NotifyResult(ResultBuilder resultBuilder)
            : base(resultBuilder)
        { }
        /// <summary>
        /// 設備號
        /// </summary>
        public string Device_Info { get { return GetValue("device_info"); } }
        /// <summary>
        /// 用戶標識
        /// </summary>
        public string OpenId { get { return GetValue("openid"); } }
        /// <summary>
        /// 是否關注公眾號
        /// </summary>
        public bool Is_Subscribe { get { return GetBooleanValue("is_subscribe"); } }
        /// <summary>
        /// 交易類型
        /// </summary>
        public TradeType Trade_Type { get { return (TradeType)GetEnumValue<TradeType>("trade_type"); } }
        /// <summary>
        /// 付款銀行
        /// </summary>
        public string Bank_Type { get { return GetValue("bank_type"); } }
        /// <summary>
        /// 總金額
        /// </summary>
        public int Total_Fee { get { return GetIntValue("total_fee"); } }
        /// <summary>
        /// 現金券金額
        /// </summary>
        public int Coupon_Fee { get { return GetIntValue("coupon_fee"); } }
        /// <summary>
        /// 貨幣種類  貨幣類型，符合 ISO 4217標準的三位字母代碼，默認人民幣：CNY
        /// </summary>
        public string Fee_Type { get { return GetValue("fee_type"); } }
        /// <summary>
        /// 微信支付訂單號
        /// </summary>
        public string Transaction_Id { get { return GetValue("transaction_id"); } }
        /// <summary>
        /// 商戶訂單號
        /// </summary>
        public string Out_Trade_No { get { return GetValue("out_trade_no"); } }
        /// <summary>
        /// 商家數據包
        /// </summary>
        public string Attach { get { return GetValue("attach"); } }
        /// <summary>
        /// 支付完成時間
        /// </summary>
        public string Time_End { get { return GetValue("time_end"); } }
        /// <summary>
        /// 產品ID
        /// </summary>
        public string Product_Id { get { return GetValue("product_id"); } }
  
    }

　　　　 /// <summary>
        /// 微信回調
        /// </summary>
        public string WeixinNotify()
        {
            Lind.DDD.Logger.LoggerFactory.Instance.Logger_Info("微信Callback");
            WxPaymentConfig wxPaymentConfig = new WxPaymentConfig();
            WxPayImpl wxPayImpl = new WxPayImpl(wxPaymentConfig);

            string Msg = wxPayImpl.RecieveWxPayNotify((notify) =>
            {
                int projectId;
                int.TryParse(notify.Attach, out projectId);
                string fullName = Db.Project_Modules.Where(i => i.Id == projectId).FirstOrDefault().FullName;
                taskInfoProvider = Lind.DDD.Plugins.PluginManager.Resolve<ITaskInfoProvider>(fullName);

                taskInfoProvider.Pay_Callback(new PayCallbackParams
                {
                    OrderId = notify.Out_Trade_No,
                    TradeId = notify.Transaction_Id
                });
            }, (msg) =>
            {
            });
            return Msg;
        }