摘要：
HttpApplication的事件 BeginRequest //请求开始 AuthenticateRequest PostAuthenticateRequest AuthorizeRequest PostAuthorizeRequest ResolveRequestCache PostResolveRequestCache PostMapRequestHandler AcquireRequestState //获得请求状态，这时候已经有session了 PostAcquireRequestState PreRequestHandlerExecute //准备交给HttpHandler处理 阅读全文