CString strHttpName="http://localhost/TestReg/RegForm.aspx"; // 需要提交数据的页面　　CString strFormData = http://www.mamicode.com/"username=abc&password=123";    // 需要提交的数据　　CInternetSession sess;
　　CHttpFile* fileGet;    
　　CString strHeaders = _T("Content-Type: application/x-www-form-urlencoded"); // 请求头    try    {        fileGet=(CHttpFile*)sess.OpenURL(strHttpName);//打开文件    }    catch(CException* e)    {        fileGet = 0;        throw;    }    CString strSentence, strGetSentence = "";    if(fileGet)    {        DWORD dwStatus;        DWORD dwBuffLen = sizeof(dwStatus);        BOOL bSuccess = fileGet->QueryInfo(HTTP_QUERY_STATUS_CODE|HTTP_QUERY_FLAG_NUMBER, &dwStatus, &dwBuffLen);        if( bSuccess && dwStatus>= 200 &&dwStatus<300 )        { 
            BOOL result = fileGet->SendRequest(strHeaders, (LPVOID)(LPCTSTR)strFormData, strFormData.GetLength());

　　　　　　　while(fileGet->ReadString(strSentence))    // 读取提交数据后的返回结果            {                strGetSentence = strGetSentence + strSentence + char(13) + char(10);            }            AfxMessageBox(strGetSentence); // 显示返回网页内容        }        else         {            strSentence.Format("POST出错，错误码：%d", dwStatus);            AfxMessageBox(strSentence);        }                fileGet->Close();        delete fileGet;    }    else        AfxMessageBox("不能找到网页文件！");    sess.Close();