想通过.pac文件用php的curl实现代理可以吗答:function curl_string ($url,$user_agent,$proxy){ ch = curl_init();curl_setopt ($ch, CURLOPT_PROXY, $proxy);curl_setopt ($ch, CURLOPT_URL, $url);curl_setopt ($ch, CURLOPT_USERAGENT, $user_agent);curl_setopt ($ch, CURLOPT_COOKIEJAR, "c:\cookie.txt");curl_setopt (...