php正则替换处理HTML页面的方法，php替换html页面_PHP教程

程序员文章站 2022-03-26 17:20:06

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php正则替换处理HTML页面的方法，php替换html页面

本文实例讲述了php正则替换处理HTML页面的方法。分享给大家供大家参考。具体如下：

]+?)/i'
  * 2. a href : '/]+?)/i'
  * 3. ifram.src : '/]+?)/i'
  * 4. frame src : '/<frame>]+?)/i'
  * 5. js  : '/window.open([( ]+?)([\'" ]+?)(.+?)([ )+?])/i'
  * 6. css  : '/background(.+?)url([( ])([\'" ]+?)(.+?)([ )+?])/i'
  */
 class Myreplace {
  private $moudle_array = array('udata','tdata','tresult','dresult');
  private $content;
  private $relative_dirname;
  private $projectid;
  private $moudle;
  function __construct() {
   $this-&gt;CI = &amp;get_instance ();
  }
  /**
   * 替换
   * @param string $content HTML内容
   * @param string $relative 相对路径
   * @param int  $projectid 项目id
   * @moudle string $moudle  模板标识: udata,tdata,tresult,dresult
   */
  public function my_replace($content,$relative,$projectid,$moudle) {
   $this-&gt;content = $content;
   $this-&gt;relative_dirname = $relative;
   $this-&gt;projectid = $projectid;
   if(in_array(strtolower($moudle),$this-&gt;moudle_array))
    $this-&gt;moudle = $moudle;
   else exit;
   switch($this-&gt;moudle) {
    case 'udata':
     $this-&gt;CI-&gt;load-&gt;model('mupload_data','model');
     break;
    case 'tdata':
     $this-&gt;CI-&gt;load-&gt;model('taskdata','model');
     break;
    case 'tresult':
     $this-&gt;CI-&gt;load-&gt;model('taskresult','model');
     break;
    case 'dresult':
     $this-&gt;CI-&gt;load-&gt;model('dmsresult','model');
     break;
    default:
     break;
   }
   $pattern = '/<img onerror="this.src='/statics/superweb999/images/image_error.jpg'"src="/default/index/img?u=" alt="php正则替换处理HTML页面的方法，php替换html页面_PHP教程" title="php正则替换处理HTML页面的方法，php替换html页面_PHP教程">]+?)/i';
   $content = preg_replace_callback( $pattern, array($this, 'image_replace') , $content );
   $pattern = '/<a target="_blank" rel="nofollow" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNu">]+?)/i';
   $content = preg_replace_callback( $pattern, array($this, 'html_replace') , $content );
   $pattern = '/<iframe>]+?)/i';
   $content = preg_replace_callback( $pattern, array($this, 'iframe_replace') , $content );
   $pattern = '/<frame>]+?)/i'; 
   $content = preg_replace_callback( $pattern, array($this, 'frame_replace'), $content );
   $pattern = '/window.open([( ]+?)([\'" ]+?)(.+?)([ )]+?)/i';
   $content = preg_replace_callback( $pattern, array($this, 'js_replace'), $content );
   $pattern = '/background(.+?)url([( ])([\'" ]+?)(.+?)([ )+?])/i';
   $content = preg_replace_callback( $pattern, array($this, 'css_replace'), $content);
   return $content;
  }
  private function image_replace($matches) {
   if(count($matches) relative_dirname;
   for($i=0; $iCI-&gt;model-&gt;get_id_by_path_and_project($relativepath,$this-&gt;projectid);
   //输出
   if( !empty($image_id) ) {
    if($this-&gt;moudle == 'dresult') {
     return "<img onerror="this.src='/statics/superweb999/images/image_error.jpg'"src="/default/index/img?u=" alt="php正则替换处理HTML页面的方法，php替换html页面_PHP教程" title="php正则替换处理HTML页面的方法，php替换html页面_PHP教程">CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/readpic/$image_id?pid=".$this-&gt;projectid .$matches[2]. $matches[4];
    } else {
     return "<img onerror="this.src='/statics/superweb999/images/image_error.jpg'"src="/default/index/img?u=" alt="php正则替换处理HTML页面的方法，php替换html页面_PHP教程" title="php正则替换处理HTML页面的方法，php替换html页面_PHP教程">CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/picfile/$image_id?pid=".$this-&gt;projectid .$matches[2]. $matches[4];
    }
   } else {
    return "<img onerror="this.src='/statics/superweb999/images/image_error.jpg'"private function html_replace if return empty rtrim src="/default/index/img?u=" alt="php正则替换处理HTML页面的方法，php替换html页面_PHP教程" title="php正则替换处理HTML页面的方法，php替换html页面_PHP教程">0) 
    $matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));
   //获取html的id
   $parent_dir_num = substr_count( $matches[3], '../');
   $relative_dirname = $this-&gt;relative_dirname;
   for($i=0; $iCI-&gt;model-&gt;get_id_by_path_and_project($relativepath,$this-&gt;projectid);
   //输出
   if( !empty($txtfile_id ) ) {
    if($this-&gt;moudle == 'dresult') {
     return "<a target="_blank" rel="nofollow" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNu">CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/readfile/$txtfile_id?pid=".$this-&gt;projectid .$matches[2].$matches[4];
    } else {
     return "</a><a target="_blank" rel="nofollow" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNu">CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/txtfile/$txtfile_id?pid=".$this-&gt;projectid .$matches[2].$matches[4];
    }
   } else {
    return "</a><a private function iframe_replace if return empty rtrim target="_blank" rel="nofollow" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNu">0) 
    $matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));
   //获取html的id
   $parent_dir_num = substr_count( $matches[3], '../');
   $relative_dirname = $this-&gt;relative_dirname;
   for($i=0; $iCI-&gt;model-&gt;get_id_by_path_and_project($relativepath,$this-&gt;projectid);
   //输出
   if( !empty($txtfile_id ) ) {
    if($this-&gt;moudle == 'dresult') {  
     return "<iframe>CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/readfile/$txtfile_id?pid=".$this-&gt;projectid .$matches[2].$matches[4];
    } else {
     return "<iframe>CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/txtfile/$txtfile_id?pid=".$this-&gt;projectid .$matches[2].$matches[4];
    }
   } else {
    return "<iframe private function frame_replace if return empty rtrim>0) 
    $matches[3] = substr($matches[3],0,strrpos($matches[3],'#'));
   //获取html的id
   $parent_dir_num = substr_count( $matches[3], '../');
   $relative_dirname = $this-&gt;relative_dirname;
   for($i=0; $iCI-&gt;model-&gt;get_id_by_path_and_project($relativepath,$this-&gt;projectid);
   //输出
   if( !empty($txtfile_id ) ) {
    if($this-&gt;moudle == 'dresult') { 
     return "<frame>CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/readfile/$txtfile_id?pid=".$this-&gt;projectid.$matches[2].$matches[4];
    } else {
     return "<frame>CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/txtfile/$txtfile_id?pid=".$this-&gt;projectid.$matches[2].$matches[4];
    }
   } else {
    return "<frame private function js_replace if return empty split for rtrim>0) 
    return "window.open".$matches[1].$matches[2].$matches[3].$matches[4];;
   //获取html的id
   $parent_dir_num = substr_count( $href, '../');
   $relative_dirname = $this-&gt;relative_dirname;
   for($i=0; $iCI-&gt;model-&gt;get_id_by_path_and_project($relativepath,$this-&gt;projectid);
   //输出
   if( !empty($txtfile_id ) ) {
    if($this-&gt;moudle == 'dresult') { 
     return "window.open".$matches[1].$matches[2].$this-&gt;CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/readfile/$txtfile_id?pid=".$this-&gt;projectid.$matches[2].','.$other.$matches[4];
    } else {
     return "window.open".$matches[1].$matches[2].$this-&gt;CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/txtfile/$txtfile_id?pid=".$this-&gt;projectid.$matches[2].','.$other.$matches[4];
    }
   } else {
    return "window.open".$matches[1].$matches[2].$matches[3].$matches[4];
   }
  }
  private function css_replace( $matches ) {
   if(count($matches) relative_dirname;
   for($i=0; $iCI-&gt;model-&gt;get_id_by_path_and_project($relativepath,$this-&gt;projectid);
   //输出
   if( !empty($image_id) ) {
    if($this-&gt;moudle == 'dresult') {
     return "background".$matches[1]."url".$matches[2].$matches[3].$this-&gt;CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/readpic/$image_id?pid=".$this-&gt;projectid .$matches[3]. $matches[5];
    } else {
     return "background".$matches[1]."url".$matches[2].$matches[3].$this-&gt;CI-&gt;config-&gt;item("base_url")."cdms/".$this-&gt;moudle."/picfile/$image_id?pid=".$this-&gt;projectid .$matches[3]. $matches[5];
    }
   } else {
    return "background".$matches[1]."url".$matches[2].$matches[3].$matches[4].$matches[3].$matches[5];
   }
  }
 }
/* End of Myreplace.php */
/* Location: /application/libraries/Myreplace.php */

希望本文所述对大家的php程序设计有所帮助。

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