php 模拟用户抓取网页内容程序

<script>ec(2);</script>

代码如下

复制代码

function _link($url){  $contents = @file_get_contents("$url");  if($contents=="Forbidden" || $contents==""){   $ch = curl_init();   $timeout = 5;   curl_setopt ($ch, CURLOPT_URL, "$url");   curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);   curl_setopt ($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");   curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);   $contents = curl_exec($ch);   curl_close($ch);  }  if(empty($contents)){   exit('cant locaion.');  }  preg_match_all("/charset=(.*?)>/is",$contents,$cod);  if(!empty($cod[1][0])){   if(preg_match("/utf-8/i",$cod[1][0])){    $contents=iconv("UTF-8","gbk//TRANSLIT",$contents);   }  }  return $contents; }