PHP面向切面编程组件

我们使用MVC框架，例如CI、YII、cakePHP，原因之一就是：能够使代码便于维护。

但当业务逻辑不断复杂时，在控制器中调用模型中的方易做图越来越臃肿。

面向切面编程的思路，是解决不断变化的业务逻辑与写出便于维护代码的解决方法之一。

下面是向切面式组件源码，是根据AOP的思路设计的。

<?php 
if (function_exists('__autoload')) { 
    trigger_error("Extension: It looks like your code is using an __autoload() function. Extension uses spl_autoload_register() which will bypass your __autoload() function and may break autoloading.", E_USER_WARNING); 
} 
 
spl_autoload_register(array('ExtensionFactory', 'autoload')); 
 
class ExtensionFactory { 
     
    private static $extFamily = null; 
    private static $_classes = array( 
        'Extension' =>  '/Extension.php', 
        'ExtensionFamily' =>  '/ExtensionFamily.php' 
    ); 
     
    /**
     * Class autoloader. This method is provided to be invoked within an 
     * __autoload() magic method.
     * @param string $className The name of the class to load.
     */ 
    public static function autoload() { 
        foreach(self::$_classes as $v){ 
            require_once dirname(__FILE__) . $v; 
        } 
    } 
     
    /**
     * 必须先调用此方法来实例化扩展族,才能调用addExtension\removeExtension等
     * @return ExtensionFamily
     */ 
    public static function createExtension(){ 
        self::$extFamily = new ExtensionFamily(); 
        return self::$extFamily; 
    } 
     
    public static function removeExtension($extName){ 
        if(is_null(self::$extFamily)){ 
            throw new Exception("Please createExtension first"); 
            return false; 
        }else{ 
            unset(self::$extFamily->_extensionArray[$extName]); 
        } 
    } 
     
    public static function addExtension($extName, Extension $ext){ 
        if(is_null(self::$extFamily)){ 
            throw new Exception("Please createExtension first"); 
            return false; 
        }else{ 
            self::$extFamily->_extensionArray[$extName] = $ext; 
        } 
    } 
     
    public static function removeAllExtension(){ 
        if(is_null(self::$extFamily)){ 
            throw new Exception("Please createExtension first"); 
            return false; 
        }else{ 
            foreach(self::$extFamily->_extensionArray as $extName=>$ext){ 
                unset(self::$extFamily->_extensionArray[$extName]); 
            } 
        } 
    } 
} 
<?php
if (function_exists('__autoload')) {
 trigger_error("Extension: It looks like your code is using an __autoload() function. Extension uses spl_autoload_register() which will bypass your __autoload() function and may break autoloading.", E_USER_WARNING);
}

spl_autoload_register(array('ExtensionFactory', 'autoload'));

class ExtensionFactory {
   
    private static $extFamily = null;
    private static $_classes = array(
        'Extension' =>  '/Extension.php',
        'ExtensionFamily' =>  '/ExtensionFamily.php'
    );
   
    /**
     * Class autoloader. This method is provided to be invoked within an
     * __autoload() magic method.
     * @param string $className The name of the class to load.
     */
    public static function autoload() {
        foreach(self::$_classes as $v){
            require_once dirname(__FILE__) . $v;
        }
    }
   
    /**
     * 必须先调用此方法来实例化扩展族,才能调用addExtension\removeExtension等
     * @return ExtensionFamily
     */
    public static function createExtension(){
        self::$extFamily = new ExtensionFamily();
        return self::$extFamily;
    }
   
    public static function removeExtension($extName){
        if(is_null(self::$extFamily)){
            throw new Exception("Please createExtension first");
            return false;
        }else{
            unset(self::$extFamily->_extensionArray[$extName]);
        }
    }
   
    public static function addExtension($extName, Extension $ext){
        if(is_null(self::$extFamily)){
  

补充：Web开发 , php ,

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