[php]   

<?php
   function get_url_content($url){
    $user_agent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)";
    $ch = curl_init();
    //curl_setopt ($ch, CURLOPT_PROXY, $proxy);
    curl_setopt ($ch, CURLOPT_URL, $url);//设置要访问的IP
    curl_setopt ($ch, CURLOPT_USERAGENT, $user_agent);//模拟用户使用的浏览器
    @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自动跳转
    curl_setopt ($ch, CURLOPT_TIMEOUT, 60); //设置超时时间
    curl_setopt ($ch, CURLOPT_AUTOREFERER, 1 ); // 自动设置Referer
    curl_setopt ($ch, CURLOPT_COOKIEJAR, 'c:\cookie.txt');
    curl_setopt ($ch, CURLOPT_HEADER,0); //显示返回的HEAD区域的内容
    curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt ($ch, CURLOPT_TIMEOUT, 10);
    $result = curl_exec($ch);
    curl_close($ch);
    return $result;
}
print_r(get_url_content('http://www.baidu.com'));
?>

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还可以用下面方式实现请求转发

 

                   print_r(file_get_contents('http://www.baidu.com'));
print_r(file_get_contents('http://www.baidu.com'));