/// <summary>
        /// 返回鏈接(jie)串
        /// </summary>
        /// <returns></returns>
        public string Get()
        {
            int money = 10;
            string orderID = "Lind0001";
            Logger.LoggerFactory.Instance.Logger_Info("發送(song)訂單號" + orderID);

            return JsApiImplement.Send(money, orderID);
        }

        //微信回調
        public void Notify()
        {
            JsApiImplement.Notify((model) =>
            {
                Logger.LoggerFactory.Instance.Logger_Info("回調訂單號" + model.Out_Trade_No);

                //更新領域訂單(dan)狀態，用戶賬戶數據，流(liu)水等
            });
        }

    /// <summary>
    /// 微信回調數據(ju)模型
    /// </summary>
    public class NotifyModel
    {
        /// <summary>
        /// 當次交易存儲到微信平臺的訂單號
        /// </summary>
        public string Transaction_Id { get; set; }
        /// <summary>
        /// 系統(tong)本身生成的訂(ding)單號
        /// </summary>
        public string Out_Trade_No { get; set; }
        /// <summary>
        /// 對應當前公眾號的用戶OpenId
        /// </summary>
        public string OpenId { get; set; }
        /// <summary>
        /// 微信用戶唯一標(biao)識
        /// </summary>
        public string UniqueId { get; set; }
    }

        /// <summary>
        /// JsApi微信回調
        /// </summary>
        public static void Notify(Action<NotifyModel> action)
        {
            var context = System.Web.HttpContext.Current;
            ResultNotify resultNotify = new ResultNotify(context);
            resultNotify.ProcessNotify(action);
        }

   /// <summary>
    /// 回調處理基類(lei)
    /// 主要負責接(jie)收微信支付后臺發送過(guo)來的(de)數(shu)據(ju)，對(dui)數(shu)據(ju)進行簽名驗證
    /// 子類在此類基(ji)礎上進(jin)行派生并重寫自(zi)己的回調處理(li)過(guo)程
    /// </summary>
    public abstract class Notify
    {
        public HttpContext page { get; set; }
        public Notify(HttpContext page)
        {
            this.page = page;
        }

        /// <summary>
        /// 接(jie)收從微(wei)信(xin)支付后臺發送過來的數(shu)據并驗證簽名
        /// </summary>
        /// <returns>微信(xin)支付后臺返回的數據</returns>
        public WxPayData GetNotifyData()
        {
            //接收從微信后(hou)臺POST過來的數據(ju)
            System.IO.Stream s = page.Request.InputStream;
            int count = 0;
            byte[] buffer = new byte[1024];
            StringBuilder builder = new StringBuilder();
            while ((count = s.Read(buffer, 0, 1024)) > 0)
            {
                builder.Append(Encoding.UTF8.GetString(buffer, 0, count));
            }
            s.Flush();
            s.Close();
            s.Dispose();

            Log.Info(this.GetType().ToString(), "Receive data from WeChat : " + builder.ToString());

            //轉換數(shu)據格式并驗證簽名
            WxPayData data = new WxPayData();
            try
            {
                data.FromXml(builder.ToString());
            }
            catch (WxPayException ex)
            {
                //若簽名錯誤，則立(li)即返(fan)回結果給微信支付(fu)后臺
                WxPayData res = new WxPayData();
                res.SetValue("return_code", "FAIL");
                res.SetValue("return_msg", ex.Message);
                Log.Error(this.GetType().ToString(), "Sign check error : " + res.ToXml());
                page.Response.Write(res.ToXml());
                page.Response.End();
            }

            Log.Info(this.GetType().ToString(), "Check sign success");
            return data;
        }

        //派生類自已必須重寫這個方法(fa)
        public abstract void ProcessNotify(Action<NotifyModel> action);

    }