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HomeBackend DevelopmentPHP TutorialPHP获取远程网站标题及简介说明

本帖最后由 mingniu66 于 2013-11-20 16:32:18 编辑

header("Content-Type:text/html;charset=utf-8");
$url = 'http://cm100.net/'; 

//获取远程网页的编码
function _charset($url){
  $text = file_get_contents($url);
  $mode = '/charset=(.*)\"/iU';
  preg_match($mode,$text,$result);
  return $result[1];
}
$charset = _charset($url);//获取远程网页的编码
//以上为公用


//1:获取远程网页的标题,$url地址,$charset用于判断编码
function _title($url,$charset){
  $text = file_get_contents($url);
  
  //如果是gb2312编码处理乱码
  if ($charset == 'gb2312'){
   $text = iconv('gb2312','utf-8',$text);
  }
  
  $mode = '/(.*)/iU'; <br>   preg_match($mode,$text,$result); <br>   return $result[1]; <br> } <br> echo '网站标题:'.$title = _title($url,$charset); //获取远程网页的标题 <br> <br> <br> <br> //2:获取远程网页的简介 <br> function _description($url,$charset){ <br>   $text = file_get_contents($url); <br> <br>   //gb2312编码乱码处理 <br>   if ($charset == 'gb2312'){ <br>    $text = iconv('gb2312','utf-8',$text); <br>   } <br>    <br>   $mode = '/<meta>/iU'; <br>   preg_match($mode,$text,$result); <br>   return $result[1]; <br> <br> } <br> echo '网站简介:'.$description = _description($url,$charset); //获取远程网页的简介 <br> ?> <br> <br> 初学PHP,想要获取远程网站的标题及简介,网上查了好几天写出来的结果,勉强能达到想要的结果,获取速度有点慢,感觉代码很乱,不知道有没有更好的方法, <br> <h2 id="回复讨论-解决方案">回复讨论(解决方案)</h2> <p class="sougouAnswer"> 你可以合成一个函数啊,那就应该很快了。 </p> <p class="sougouAnswer"> 你这分析一个页面要获取多少次阿得 </p> <p class="sougouAnswer"> http://blog.csdn.net/jdgdf566/article/details/13632111 </p> <p class="sougouAnswer"> 你看你每个函数里都用file_get_contents。当然慢啦。 <br> 应该只有1个函数用来file_get_contents获取内容,然后将内容传给每个函数来匹配结果! </p> <p class="sougouAnswer"> 谢谢大家的回答 正好4人40分 回答都一样 确实file_get_contents整了多次 因为初学 改起来可能费劲 </p>
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