求救，使用WININET向网站读取简单数据，返回值老是不变

aerfaxing 2014-05-06 06:55:37

LRESULT Cnotify15Dlg::QueryMessage(void)  //询问是否有新消息

{

	CInternetSession m_InetSession(_T("session"),

       0,

       INTERNET_OPEN_TYPE_PRECONFIG,

       NULL,

       NULL,

       INTERNET_FLAG_DONT_CACHE);     //设置不缓冲

	   CHttpConnection* pServer = NULL;

	   CHttpFile* pFile = NULL;



       CString strHtml = _T("");

	   CString strHtml1 = _T("");

	   CString strRequest = _T("viewID=&isGuest=false&userAccount="+m_edit1+"&userpassword="+m_edit2); //POST过去的数据

	   //CString strRequest = _T("userAccount="+m_edit1+"&userpassword="+m_edit2); //POST过去的数据

	   CString strRequest1 = _T("page=1&rows=10");

//以下为登录数据包

	CString strHeaders = _T("Host: 192.168.10.13:6606/logined\r\n"

							"Connection: keep-alive\r\n"

							"Cache-Control: max-age=0\r\n"

							"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8\r\n"

							"Origin: http://192.168.10.13:6606\r\n"

							"User-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1500.107 Safari/537.36\r\n"

							"Content-Type: application/x-www-form-urlencoded\r\n"

							"Referer: http://192.168.10.13:6606/login\r\n"

							"Accept-Encoding: gzip,deflate,sdch\r\n"

							"Accept-Language: zh-CN,zh;q=0.8");



       INTERNET_PORT nPort; //端口

       nPort=6606;

	   CString strCookieData;

	   LPSTR lpszData = NULL; 



       pServer = m_InetSession.GetHttpConnection(_T("192.168.10.13"), nPort);

       pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_POST,_T("/logined"),NULL,1,NULL,_T("HTTP/1.1"),INTERNET_FLAG_RELOAD);

	   if(m_flag5==0)               //只需发一次数据包去登录

	   {

		   pFile->AddRequestHeaders(strHeaders);

		   pFile->SendRequestEx(strRequest.GetLength());

		   pFile->WriteString(strRequest); 

		   pFile->EndRequest();

		}

	 

	   m_flag5=1;

	

       DWORD dwRet;

       pFile->QueryInfoStatusCode(dwRet);



	   CString strLine=NULL;

       strLine.Empty();

	   CString m_strCookies;

	   LPCSTR pszURL=("http://192.168.10.13:6606/getNewMessages"); 

//	   DWORD dwServiceType;

	   CString strServer; 

	   CString strObject;

 

 //查询消息的窗口

	   pFile=pServer->OpenRequest(CHttpConnection::HTTP_VERB_POST,_T("/getNewMessages"),NULL,1,NULL,NULL,INTERNET_FLAG_EXISTING_CONNECT);

	 

	   pFile->SendRequest();

	   strHtml1="";

	   int nRead;

		while ((nRead = pFile->ReadString(strLine))>0)   //这里出错，ReadString的值老是不变

		{

			//::MessageBox(NULL,"DD","DD",MB_OK);



		    std:: wstring str1=  UTF8ToUnicode((LPCSTR)strLine);

		    ::MessageBoxW(NULL,str1.c_str(),L"cc",MB_OK);

			strHtml1 += strLine;

		}

	

       delete pFile;

       delete pServer;

	   m_InetSession.Close();





	   return TRUE;

}

求解啊，这里使用WININET是不是哪里出错了，在WIN7上实验没事，但在XP上读取192.168.10.13：6606/getNewMessages的数据，却老是出错，我这个函数每40秒调用一次，第一次取回来的值是正常的，之后第二次，第三次，第N此读取的值都是跟第一次相同，我可以保证192.168.10.13：6606/getNewMessages的值在第一次以后是变化了的！

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