php fsockopen函數發送post,get請求獲得網頁內容（反防採集）

代碼如下

複製代碼

$post =1; $url = parse_url($url); $host ='http://www.111cn.net'; $path ='/'; $query ='?action=111cn.net'; $port =80;   if($post) {   $out = "post $path http/1.0 ";   $out .= "accept: */* ";   //$out .= "referer: $boardurl ";   $out .= "accept-language: zh-cn ";   $out .= "content-type: application/x-www-form-urlencoded ";   $out .= "user-agent: $_server[http_user_agent] ";   $out .= "host: $host ";   $out .= 'content-length: '.strlen($post)." ";   $out .= "connection: close ";   $out .= "cache-control: no-cache ";   $out .= "cookie: $cookie ";   $out .= $post;  } else {   $out = "get $path http/1.0 ";   $out .= "accept: */* ";   //$out .= "referer: $boardurl ";   $out .= "accept-language: zh-cn ";   $out .= "user-agent: $_server[http_user_agent] ";   $out .= "host: $host ";   $out .= "connection: close ";   $out .= "cookie: $cookie ";  }  $fp = @fsockopen(($ip ? $ip : $host), $port, $errno, $errstr, $timeout);  if(!$fp)  {   return '';//note $errstr : $errno  } else {   return '成功訪問';  }  /*  fsockopen文法    resource fsockopen ( string $hostname [, int $port = -1 [, int &$errno [, string &$errstr [, float $timeout = ini_get("default_socket_timeout") ]]]] )

 
 啟動一個通訊端串連到指定的主機的資源。
    php支援在互連網領域的目標和unix在所支援的通訊端傳輸列表說明。所支援的傳輸列表也可以檢索使用stream_get_transports（）。
 
 該插座預設會被啟用，阻塞模式。你可以切換到非阻塞模式使用stream_set_blocking（）。
 
 如果上面執行個體看不懂，就來看個簡的吧

*/

 

代碼如下	複製代碼
$fp = fsockopen("www.111cn.net", 80, $errno, $errstr, 30);  if (!$fp) {   echo "$errstr ($errno)<br /> ";  } else {   $out = "get / http/1.1 ";   $out .= "host: www.111cn.net ";   $out .= "connection: close ";   fwrite($fp, $out);   while (!feof($fp)) {    echo fgets($fp, 128);   }   fclose($fp);  }