PHP实例：PHP小偷程序的设计与实现方法详解

PHP教程
/**
*HTML解析类
*author：Summer
*date:2014-08-22
**/
 class Analytical{
  public function __construct()
  {
     require_once('Class/SimpleHtmlDom.class.php');
     $this->_getDir();
  }
  private function _getDir()
  {
    $dir = "../TMP/HTML/Results/1";
    $imgBIG = "../TMP/IMG/JPG/BIG";
    $it = new DirectoryIterator($dir."/");
    foreach($it as $file) {
     //用isDot ()方法分别过滤掉“.”和“..”目录
     if (!$it->isDot()) {
       $dirs = $dir."/".$file ;
       $tmp = explode(".",$file);
       $html = file_get_html($dirs);
       $ulArr = $html->find('img');
       foreach($ulArr as $key=>$value)
       {
         if ($value->class == "u")
         {
           $url = http://www.jb51.net.$value->src;
           $infomation = file_get_contents($url);
           $result = $this->saveHtml($infomation, $imgBIG, $tmp['0'].".jpg");
           if($result)
           {
            echo $file."OK\n";
           }
         }
       }
     }
   }
  }
   private function saveHtml($infomation,$filedir,$filename)
   {
     if(!$this->mkdirs($filedir))
     {
       return 0;
     }
     $sf = $filedir."/".$filename;
     $fp=fopen($sf,"w"); //写方式打开文件
     return fwrite($fp,$infomation); //存入内容
     fclose($fp); //关闭文件
   }
   //创建目录
   private function mkdirs($dir)
   {
     if(!is_dir($dir))
     {
       if(!$this->mkdirs(dirname($dir))){
         return false;
       }
       if(!mkdir($dir,0777)){
         return false;
       }
     }
     return true;
   }
 }
new Analytical();