protected virtual string OnThirdPartyEvent_Contact_Sync(RequestMessageInfo_Contact_Sync thirdPartyInfo)
 {
     return(ThirdPartyEventSuccessResult);
 }
        /// <summary>
        /// 获取XDocument转换后的IRequestMessageBase实例。
        /// 如果MsgType不存在,抛出UnknownRequestMsgTypeException异常
        /// </summary>
        /// <returns></returns>
        public static IRequestMessageBase GetRequestEntity(XDocument doc)
        {
            RequestMessageBase requestMessage = null;
            RequestMsgType     msgType;
            ThirdPartyInfo     infoType;

            //区分普通消息与第三方应用授权推送消息,MsgType有值说明是普通消息,反之则是第三方应用授权推送消息
            if (doc.Root.Element("MsgType") != null)
            {
                //常规推送信息
                try
                {
                    msgType = MsgTypeHelper.GetRequestMsgType(doc);

                    switch (msgType)
                    {
                    case RequestMsgType.Text:
                        requestMessage = new RequestMessageText();
                        break;

                    case RequestMsgType.Location:
                        requestMessage = new RequestMessageLocation();
                        break;

                    case RequestMsgType.Image:
                        requestMessage = new RequestMessageImage();
                        break;

                    case RequestMsgType.Voice:
                        requestMessage = new RequestMessageVoice();
                        break;

                    case RequestMsgType.Video:
                        requestMessage = new RequestMessageVideo();
                        break;

                    case RequestMsgType.ShortVideo:
                        requestMessage = new RequestMessageShortVideo();
                        break;

                    case RequestMsgType.Event:
                        //判断Event类型
                        switch (doc.Root.Element("Event").Value.ToUpper())
                        {
                        case "CLICK":        //菜单点击
                            requestMessage = new RequestMessageEvent_Click();
                            break;

                        case "VIEW":        //URL跳转
                            requestMessage = new RequestMessageEvent_View();
                            break;

                        case "SUBSCRIBE":        //订阅(关注)
                            requestMessage = new RequestMessageEvent_Subscribe();
                            break;

                        case "UNSUBSCRIBE":        //取消订阅(关注)
                            requestMessage = new RequestMessageEvent_UnSubscribe();
                            break;

                        case "SCANCODE_PUSH":        //扫码推事件(scancode_push)
                            requestMessage = new RequestMessageEvent_Scancode_Push();
                            break;

                        case "SCANCODE_WAITMSG":        //扫码推事件且弹出“消息接收中”提示框(scancode_waitmsg)
                            requestMessage = new RequestMessageEvent_Scancode_Waitmsg();
                            break;

                        case "PIC_SYSPHOTO":        //弹出系统拍照发图(pic_sysphoto)
                            requestMessage = new RequestMessageEvent_Pic_Sysphoto();
                            break;

                        case "PIC_PHOTO_OR_ALBUM":        //弹出拍照或者相册发图(pic_photo_or_album)
                            requestMessage = new RequestMessageEvent_Pic_Photo_Or_Album();
                            break;

                        case "PIC_WEIXIN":        //弹出微信相册发图器(pic_weixin)
                            requestMessage = new RequestMessageEvent_Pic_Weixin();
                            break;

                        case "LOCATION_SELECT":        //弹出地理位置选择器(location_select)
                            requestMessage = new RequestMessageEvent_Location_Select();
                            break;

                        case "LOCATION":        //上报地理位置事件(location)
                            requestMessage = new RequestMessageEvent_Location();
                            break;

                        case "ENTER_AGENT":        //用户进入应用的事件推送(enter_agent)
                            requestMessage = new RequestMessageEvent_Enter_Agent();
                            break;

                        case "BATCH_JOB_RESULT":        //异步任务完成事件推送(batch_job_result)
                            requestMessage = new RequestMessageEvent_Batch_Job_Result();
                            break;

                        default:        //其他意外类型(也可以选择抛出异常)
                            requestMessage = new RequestMessageEventBase();
                            break;
                        }
                        break;

                    default:
                        throw new UnknownRequestMsgTypeException(string.Format("MsgType:{0} 在RequestMessageFactory中没有对应的处理程序!", msgType), new ArgumentOutOfRangeException());    //为了能够对类型变动最大程度容错(如微信目前还可以对公众账号suscribe等未知类型,但API没有开放),建议在使用的时候catch这个异常
                    }
                    EntityHelper.FillEntityWithXml(requestMessage, doc);
                }
                catch (ArgumentException ex)
                {
                    throw new WeixinException(string.Format("RequestMessage转换出错!可能是MsgType不存在!,XML:{0}", doc.ToString()), ex);
                }
            }
            else if (doc.Root.Element("InfoType") != null)
            {
                //第三方回调
                try
                {
                    infoType = MsgTypeHelper.GetThirdPartyInfo(doc);
                    switch (infoType)
                    {
                    case ThirdPartyInfo.SUITE_TICKET:    //推送suite_ticket协议
                        requestMessage = new RequestMessageInfo_Suite_Ticket();
                        break;

                    case ThirdPartyInfo.CHANGE_AUTH:    //变更授权的通知
                        requestMessage = new RequestMessageInfo_Change_Auth();
                        break;

                    case ThirdPartyInfo.CANCEL_AUTH:    //取消授权的通知
                        requestMessage = new RequestMessageInfo_Cancel_Auth();
                        break;

                    case ThirdPartyInfo.CREATE_AUTH:    //授权成功推送auth_code事件
                        requestMessage = new RequestMessageInfo_Create_Auth();
                        break;

                    case ThirdPartyInfo.CONTACT_SYNC:    //通讯录变更通知
                        requestMessage = new RequestMessageInfo_Contact_Sync();
                        break;

                    default:
                        throw new UnknownRequestMsgTypeException(string.Format("InfoType:{0} 在RequestMessageFactory中没有对应的处理程序!", infoType), new ArgumentOutOfRangeException());    //为了能够对类型变动最大程度容错(如微信目前还可以对公众账号suscribe等未知类型,但API没有开放),建议在使用的时候catch这个异常
                    }
                    EntityHelper.FillEntityWithXml(requestMessage, doc);
                }
                catch (ArgumentException ex)
                {
                    throw new WeixinException(string.Format("RequestMessage转换出错!可能是MsgType和InfoType都不存在!,XML:{0}", doc.ToString()), ex);
                }
            }
            else
            {
                throw new WeixinException(string.Format("RequestMessage转换出错!可能是MsgType和InfoType都不存在!,XML:{0}", doc.ToString()));
            }

            return(requestMessage);
        }