/// <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
}
requestMessage.FillEntityWithXml(doc);
}
catch (ArgumentException ex)
{
throw new WeixinException(string.Format("RequestMessage转换出错！可能是MsgType不存在！，XML：{0}", doc), 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;
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
}
requestMessage.FillEntityWithXml(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), 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));
}
return(requestMessage);
}
//<?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, PostModel postModel = null)
{
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.ShortVideo:
requestMessage = new RequestMessageShortVideo();
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;
case "TEMPLATESENDJOBFINISH": //模板信息
requestMessage = new RequestMessageEvent_TemplateSendJobFinish();
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 "CARD_PASS_CHECK": //卡券通过审核
requestMessage = new RequestMessageEvent_Card_Pass_Check();
break;
case "CARD_NOT_PASS_CHECK": //卡券未通过审核
requestMessage = new RequestMessageEvent_Card_Not_Pass_Check();
break;
case "USER_GET_CARD": //领取卡券
requestMessage = new RequestMessageEvent_User_Get_Card();
break;
case "USER_DEL_CARD": //删除卡券
requestMessage = new RequestMessageEvent_User_Del_Card();
break;
case "KF_CREATE_SESSION": //多客服接入会话
requestMessage = new RequestMessageEvent_Kf_Create_Session();
break;
case "KF_CLOSE_SESSION": //多客服关闭会话
requestMessage = new RequestMessageEvent_Kf_Close_Session();
break;
case "KF_SWITCH_SESSION": //多客服转接会话
requestMessage = new RequestMessageEvent_Kf_Switch_Session();
break;
case "POI_CHECK_NOTIFY": //审核结果事件推送
requestMessage = new RequestMessageEvent_Poi_Check_Notify();
break;
case "WIFICONNECTED": //Wi-Fi连网成功事件
requestMessage = new RequestMessageEvent_WifiConnected();
break;
case "USER_CONSUME_CARD": //卡券核销
requestMessage = new RequestMessageEvent_User_Consume_Card();
break;
case "USER_ENTER_SESSION_FROM_CARD": //从卡券进入公众号会话
requestMessage = new RequestMessageEvent_User_Enter_Session_From_Card();
break;
case "USER_VIEW_CARD": //进入会员卡
requestMessage = new RequestMessageEvent_User_View_Card();
break;
case "MERCHANT_ORDER": //微小店订单付款通知
requestMessage = new RequestMessageEvent_Merchant_Order();
break;
case "SUBMIT_MEMBERCARD_USER_INFO": //接收会员信息事件通知
requestMessage = new RequestMessageEvent_Submit_Membercard_User_Info();
break;
case "SHAKEAROUNDUSERSHAKE": //摇一摇事件通知
requestMessage = new RequestMessageEvent_ShakearoundUserShake();
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
}
requestMessage.FillEntityWithXml(doc);
}
catch (ArgumentException ex)
{
throw new WeixinException(string.Format("RequestMessage转换出错！可能是MsgType不存在！，XML：{0}", doc), ex);
}
return(requestMessage);
}
