//<?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;
RequestInfoType infoType;
try
{
infoType = InfoTypeHelper.GetRequestInfoType(doc);
switch (infoType)
{
case RequestInfoType.component_verify_ticket:
requestMessage = new RequestMessageComponentVerifyTicket();
break;
case RequestInfoType.unauthorized:
requestMessage = new RequestMessageUnauthorized();
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InfoType不存在！，XML：{0}", doc.ToString()), ex);
}
return requestMessage;
}
public override string OnComponentVerifyTicketRequest(RequestMessageComponentVerifyTicket requestMessage)
{
var openTicketPath = Server.GetMapPath("~/App_Data/OpenTicket");
if (!Directory.Exists(openTicketPath))
{
Directory.CreateDirectory(openTicketPath);
}
//RequestDocument.Save(Path.Combine(openTicketPath, string.Format("{0}_Doc.txt", DateTime.Now.Ticks)));
//记录ComponentVerifyTicket（也可以存入数据库或其他可以持久化的地方）
using (TextWriter tw = new StreamWriter(Path.Combine(openTicketPath, string.Format("{0}.txt", RequestMessage.AppId))))
{
tw.Write(requestMessage.ComponentVerifyTicket);
tw.Flush();
tw.Close();
}
return base.OnComponentVerifyTicketRequest(requestMessage);
}
