请问如何打开一个web页并得到返回值,CFile吗?

Question

CFile file;
file.open("http://......",0);这样不行.有别的办法吗?

Answer 1

ShellExecute(this->m_hWnd,"open","http://www.baidu.com","","", SW_SHOW );

Answer 2

用ShellExecute好象没发现在哪儿能取到返回值?

Answer 3

void CDlgDlg::OnBnClickedButton2()
{
//GetUrlSource("http://www.163.com");
// TODO: Add your control notification handler code here
CString m_theUrl = _T("http://www.163.com"/*"file://C:/cmd.txt"*/);
CString filename("1.htm");
CInternetSession session;
CString url = m_theUrl;
//url += filename;
CInternetFile* file = 
(CInternetFile*)session.OpenURL(url,1,INTERNET_FLAG_TRANSFER_BINARY); if(file == NULL)
{
file->Close();
delete file;
session.Close();
MessageBox(_T("下载文件失败!\n\n错误代码:1"),_T("提示"),MB_ICONERROR);
return;
} CString name = filename; CFile file1; if(file1.Open(name,CFile::modeCreate|CFile::modeWrite|CFile::typeBinary,NULL))
{
int readlen = -1;
char buf[1024];
while(1)
{
//char* buf = new char[1024];
readlen = file->Read(buf,1024);
if(readlen == 0)
{
//delete buf;
break;
}
file1.Write(buf,readlen);
//delete buf;
ZeroMemory(buf,1024);
}
file1.Close();
}
else
{    
MessageBox(_T("下载文件失败!\n\n错误代码:2"),_T("提示"),MB_ICONERROR);
file->Close();
delete file;
session.Close();
return;
} file->Close();
delete file;
session.Close(); //CDialog::OnOK();
}