/// <summary> /// 将RequestMessageEventBase转换成RequestMessageText类型,其中Content = requestMessage.EventKey /// </summary> /// <param name="requestMessageEvent"></param> /// <returns></returns> public static RequestMessageText ToRequestMessageText(this IRequestMessageEventBase requestMessageEvent) { var requestMessage = requestMessageEvent; var requestMessageText = new RequestMessageText() { FromUserName = requestMessage.FromUserName, ToUserName = requestMessage.ToUserName, CreateTime = requestMessage.CreateTime, MsgId = requestMessage.MsgId, Content = requestMessage.EventKey }; return requestMessageText; }
//<?xml version="1.0" encoding="utf-8"?> //<xml> // <ToUserName><![CDATA[gh_a96a4a619366]]></ToUserName> // <FromUserName><![CDATA[olPjZjsXuQPJoV0HlruZkNzKc91E]]></FromUserName> // <CreateTime>1357986928</CreateTime> // <MsgType><![CDATA[text]]></MsgType> // <Content><![CDATA[中文]]></Content> // <MsgId>5832509444155992350</MsgId> //</xml> /// <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; 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.Link: requestMessage = new RequestMessageLink(); break; case RequestMsgType.Event: //判断Event类型 switch (doc.Root.Element("Event").Value.ToUpper()) { case "ENTER"://进入会话 requestMessage = new RequestMessageEvent_Enter(); break; case "LOCATION"://地理位置 requestMessage = new RequestMessageEvent_Location(); 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 "CLICK"://菜单点击 requestMessage = new RequestMessageEvent_Click(); break; case "SCAN"://二维码扫描 requestMessage = new RequestMessageEvent_Scan(); break; case "VIEW"://URL跳转 requestMessage = new RequestMessageEvent_View(); break; case "MASSSENDJOBFINISH": requestMessage = new RequestMessageEvent_MassSendJobFinish(); 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 WXException(string.Format("RequestMessage转换出错!可能是MsgType不存在!,XML:{0}", doc.ToString()), ex); } return requestMessage; }