CURL下载的参数使用

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    curl_easy_reset(m_pCurl);

    curl_easy_setopt(m_pCurl, CURLOPT_USERAGENT, "XXX/1.0");
    curl_easy_setopt(m_pCurl, CURLOPT_URL, request.url.c_str());
    curl_easy_setopt(m_pCurl, CURLOPT_HEADERDATA , this);
    curl_easy_setopt(m_pCurl, CURLOPT_HEADERFUNCTION, HeaderCallback);
    curl_easy_setopt(m_pCurl, CURLOPT_WRITEDATA, this);
    curl_easy_setopt(m_pCurl, CURLOPT_WRITEFUNCTION, WriteCallback);
    curl_easy_setopt(m_pCurl, CURLOPT_FOLLOWLOCATION, true);                
    curl_easy_setopt(m_pCurl, CURLOPT_TIMEOUT, 60*60L); // 1 hour
  
    curl_easy_setopt(m_pCurl, CURLOPT_LOW_SPEED_LIMIT, 1L);
    curl_easy_setopt(m_pCurl, CURLOPT_LOW_SPEED_TIME, 90L);

 #ifdef DEBUG   
    curl_easy_setopt(m_pCurl, CURLOPT_VERBOSE, 1L);
 #endif 

    m_curlCode = curl_easy_perform(m_pCurl);