VC提交表单

//computer.jsp功能为根据三角形三边求面积
void PostForm()
{
    CInternetSession  session("My Session");         
    CHttpConnection *pServer = NULL;         
    CHttpFile *pFile = NULL;         
    CString ServerName = "127.0.0.1";         
    INTERNET_PORT nPort = 8080;         
    DWORD retcode;         
    char  outBuff[] = "sideA=3&sideB=4&sideC=5";//三角形三边
    try         
    {         
        pServer = session.GetHttpConnection(ServerName,nPort);         
        pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_POST,"computer.jsp",NULL,1,NULL,NULL,INTERNET_FLAG_EXISTING_CONNECT);         
        pFile->AddRequestHeaders("Content-Type:application/x-www-form-urlencoded");         
        pFile->AddRequestHeaders("Accept:*/*");  
        pFile->SendRequest(NULL,0,outBuff,strlen(outBuff)+1);         
        pFile->QueryInfoStatusCode(retcode);         
         
        DWORD dwlen=pFile->GetLength();         
        char  *buf = new char[dwlen];         
        DWORD  dwread=pFile->Read(buf,1024);
        printf("%s
", buf);
        delete []buf;   
    }         
    catch (CInternetException e)
    {
        AfxMessageBox("Error Occur!");
    }    
    delete pFile;         
    delete pServer;         
    session.Close();         
     
}