网站的模拟登录有关问题

网站的模拟登录问题
这是我的主要代码：
在提交用户名密码等信息后  不知道怎么搞了  求大神帮我完善  感激不尽
CInternetSession session;
CHttpConnection *pSever = NULL;
CHttpFile * pFile = NULL;
CString strAddress;//得到输入框中的地址
GetDlgItem(IDC_EDIT2)->GetWindowText(strAddress);
if(strAddress == "")
MessageBox("nothing");
if(strAddress.Find("http://"))
strAddress ="http://"+strAddress;
// try
// {

CString strSever;
CString strObject;
INTERNET_PORT nPort;
DWORD dwSeverType;
//解析URL分别存储到变量中
if(!AfxParseURL(strAddress,dwSeverType,strSever,strObject,nPort) ||dwSeverType != INTERNET_SERVICE_HTTP )
MessageBox("HTTP is wrong");
MessageBox(strSever);
MessageBox(strObject);
pSever = session.GetHttpConnection(strSever,nPort);
pFile = pSever->OpenRequest("POST",strObject,NULL,1,NULL,NULL,INTERNET_FLAG_EXISTING_CONNECT);
pFile->AddRequestHeaders("Accept:*/*\r\n");
pFile->AddRequestHeaders("Accept-Language:zh-CN\r\n");
// pFile->AddRequestHeaders("Referer:http://www.9481.com/login.html\r\n");
pFile->AddRequestHeaders("Content-Type:application/x-www-form-urlencoded\r\n");
pFile->AddRequestHeaders("Accept-Encoding: gzip, deflate\r\n");
pFile->AddRequestHeaders("Host:www.9481.com\r\n");
// pFile->AddRequestHeaders("Content-Length:38\r\n");
pFile->AddRequestHeaders("Connection:Keep-Alive\r\n");
// pFile->AddRequestHeaders("Cookie:Hm_lvt_0b7a95f009a5d8ebf1f7d6dc9350d96d=1347852750151,1347853144851; Hm_lpvt_0b7a95f009a5d8ebf1f7d6dc9350d96d=1347853144851; ASPSESSIONIDQQASBDCR=KONJGNDDGEHOEMOLIDAAPLIC; loginErrTimes=9");
pFile->AddRequestHeaders("Cache-Control: no-cache\r\n");
pFile->AddRequestHeaders("User-Agent:Mozilla/5.0 (Windows NT.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5\r\n");
pFile->AddRequestHeaders("\nusername:910612&password:910612&authCode: &\r\n");
CString data ="nusername:910612&password:910612&authCode:";
pFile ->SendRequest(NULL, 0, data.GetBuffer(0), data.GetLength());  
DWORD dbRet;
pFile ->QueryInfoStatusCode(dbRet);

if(dbRet == HTTP_STATUS_DENIED)
{
MessageBox("操作被拒绝");
}
CString strNewLocation ="";
pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF,strNewLocation);
MessageBox(strNewLocation);
if(dbRet == HTTP_STATUS_MOVED || dbRet == HTTP_STATUS_REDIRECT || dbRet ==HTTP_STATUS_REDIRECT_METHOD)
{
MessageBox("重定义");
}
CString strHtml= "";
CString strLine = "";
while(pFile ->ReadString(strLine))
{
strHtml += strLine;
}
MessageBox(strHtml);
CHttpFile * pFile2 = NULL;
pFile2 = pSever->OpenRequest("POST",strObject,NULL,1,NULL,NULL,INTERNET_FLAG_EXISTING_CONNECT);
pFile2->AddRequestHeaders("Accept:*/*\r\n");
pFile2->AddRequestHeaders("Accept-Language:zh-CN\r\n");
// pFile->AddRequestHeaders("Referer:http://www.9481.com/login.html\r\n");
pFile2->AddRequestHeaders("Content-Type:application/x-www-form-urlencoded\r\n");
pFile2->AddRequestHeaders("Accept-Encoding: gzip, deflate\r\n");
pFile2->AddRequestHeaders("Host:www.9481.com\r\n");
// pFile->AddRequestHeaders("Content-Length:38\r\n");
pFile2->AddRequestHeaders("Connection:Keep-Alive\r\n");
// pFile->AddRequestHeaders("Cookie:Hm_lvt_0b7a95f009a5d8ebf1f7d6dc9350d96d=1347852750151,1347853144851; Hm_lpvt_0b7a95f009a5d8ebf1f7d6dc9350d96d=1347853144851; ASPSESSIONIDQQASBDCR=KONJGNDDGEHOEMOLIDAAPLIC; loginErrTimes=9");