linux php curl急急急答:curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt($ch, CURLOPT_HTTPGET, 1);curl_setopt($ch, CURLOPT_URL, 'http://www.baidu.com );curl_setopt($ch, CURLOPT_DNS_USE_GLOBAL_CACHE, false );curl_setopt($ch, CURLOPT_DNS_CACHE_TIMEOUT, 2 );curl_exec($ch);curl_...