[MFC]下载一个url的源文件到本地文件
2013年11月21日
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...{
//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! 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! 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();
}