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时区:-1000 (东10区)  潮高基准面:在平均海平面下174CM
Home Backend Development PHP Tutorial php正则匹配html中带class的div并选取其中内容的方法_php技巧

php正则匹配html中带class的div并选取其中内容的方法_php技巧

May 16, 2016 pm 08:25 PM
div html php content match method regular

本文实例讲述了php正则匹配html中带class的div并选取其中内容的方法。分享给大家供大家参考。具体分析如下:

先看一段html代码:

复制代码 代码如下:
 
 

 
 
     潮汐表数据仅供参考
    
        
   
     
     
     
     
           
        
   
      
      
      
      
           
    

潮时 (Hrs)

00:58

05:20

13:28

21:15

潮高 (cm)

161

75

288

127

 
    

时区:-1000 (东10区)  潮高基准面:在平均海平面下174CM

 
      
 
 
 
 
 

这是源程序里边的一部分,为了容易看懂,删减了一大部分,只取

div块中的内容

首页先用file_get_content或curl获取内容部分,我用的是curl。

复制代码 代码如下:
$ch = curl_init(); 
curl_setopt($ch, CURLOPT_URL, $url); 
curl_setopt($ch, CURLOPT_POST, 1); 
curl_setopt( $ch, CURLOPT_HEADER, 0 ); 
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 ); 
curl_setopt( $ch, CURLOPT_POSTFIELDS, $data ); 
$return = curl_exec( $ch ); 
curl_close( $ch ); 
 
$regex4="/
.*?/ism"; 
if(preg_match_all($regex4, $return, $matches)){ 
   print_r($matches); 
}else{ 
   echo '0'; 
}

这样就可以了,不多解释,懂PHP的看代码,打印看一下效果。

希望本文所述对大家的php程序设计有所帮助。

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