读取网页内容保存到文件

CString GetHttpFileData(CString strUrl)
{
    CInternetSession Session(_T("Internet Explorer"), 0);
    CHttpFile *pHttpFile = NULL;
    CString strData;
    CString strClip;
    pHttpFile = (CHttpFile*)Session.OpenURL(strUrl);
    while (pHttpFile->ReadString(strClip))
    {
        char *pStr = (char *)strClip.GetBuffer(strClip.GetLength()); //取得str对象的原始字符串
        int nBufferSize = MultiByteToWideChar(CP_UTF8, 0, pStr, -1, NULL, 0); //取得所需缓存的多少
        wchar_t *pBuffer = (wchar_t*)malloc(nBufferSize * sizeof(wchar_t));//申请缓存空间
        MultiByteToWideChar(CP_UTF8, 0, pStr, -1, pBuffer, nBufferSize*sizeof(wchar_t));//转码
        //MessageBoxW(NULL, pBuffer, L"Text", MB_OK); //显示
        strClip.Format(_T("%s"), pBuffer);
        //AfxMessageBox(strClip);
        free(pBuffer); //释放缓存
        strData += strClip;
        strData += _T("\n");

    }
    return strData;
}

void CWuMaDlg::OnBnClickedButton1()
{
    // TODO:  在此添加控件通知处理程序代码
    CString csHtml;
    //csHtml=UTF8ToUnicode(GetHttpFileData(_T("http://www.baidu.com")));
    csHtml=GetHttpFileData(_T("http://www.taobao.com"));
    //AfxMessageBox(csHtml);
    CString pszFileName = _T("d://myfile.htm");

    CFile myFile;

    CFileException fileException;

    CFile cf;
    if (cf.Open(pszFileName, CFile::modeCreate | CFile::modeWrite))
    {
        int len = csHtml.GetLength();
            cf.Write(csHtml.GetBuffer(len), len);
        cf.Close();

        csHtml.ReleaseBuffer();

        AfxMessageBox(_T("保存成功"));
    }

}