PHP の MVC パターン アプリケーション スキルのサンプル コード

Interface DataOperation 
{ 
   public function select($info); 
   public function selectNum($info); 
}

Interface DataSource 
{ 
   public static function getInstance(); 
}

Interface Controller 
{ 
   public function pop(); 
   public function push(); 
   public function execute(); 
} 
Interface View 
{ 
   public function display(); 
}

class DataBaseSource implements DataSource 
{ 
   public static $instance = null; 
   public static function getInstance() 
   { 
       if(self::$instance == null) 
       { 
           self::$instance == new PDO("mysql:host=localhost;dbname=article","root","123456"); 
       } 
       return self::$instance; 
   } 
}

abstract class DataBaseOperation implements DataOperation 
{ 
   protected $db = null;  
   public function construct() 
   { 
       $this->db = DataBaseSource::getInstance(); 
   } 
   public function select($info); 
}

class Tech extends DataBaseOperation 
{ 
   public function select($info) 
   { 
       //在这里实现你的代码 
   } 
   public function selectNum($info) 
   { 
       //在这里实现你的代码 
   } 
}

class ViewController implements Controller 
{ 
   private $mod = array(); 
   public function push($key,$value); 
   { 
       //实现你的代码,将类注册进$this->mod; 
   } 
   public function pop($key) 
   {         
       //实现你的代码,将$this->mod[$key]值为null; 
   } 
   public function execute($key) 
   { 
       //在这里实现你的代码,生成实例.注意利用php5新的特性,异常的处理 
   } 
}

abstract ArticleView implements View 
{ 
   protected $smarty = null; 
   public function construct() 
   { 
       $this->smarty = new Smarty(); 
       ///下面你可以定义smarty的一些属性值 
   } 
}

class TechArticleView extends ArticleView 
{ 
   public function display() 
   { 
       //实现你的代码,调用Tech类和更多的DataBaseOperation子类 
   } 
}

try 
{ 
   $viewController = new ViewController(); 
   $viewController->push("tech",TechArticleView);   
//持续的增加   
   $mod = $_GET["mod"]:$_GET["mod"]:$_POST["mod"]; 
   //最后 
   $viewController->execute($key); 
} 
catch(
Exception
 $e) 
{ 
       //如何处理异常就是你的事了 
}