《大话设计模式》——第六、七章 装饰模式 代理模式

第六章 装饰模式

package
{
    import flash.display.Sprite;
    
    public class Main extends Sprite
    {
        public function Main()
        {
            var c:ConcreteComponent = new ConcreteComponent();
            var d1:ConcreteDecoratorA = new ConcreteDecoratorA();
            var d2:ConcreteDecoratorB = new ConcreteDecoratorB();
            
            d1.SetComponent(c);
            d2.SetComponent(d1);
            d2.Operation();
        }
    }
}

package{
    public class Component {
        public function Operation():void{
            
        }
    }
}

package{
    public class ConcreteComponent extends Component{
        public override function Operation():void{
            trace("具体对象的操作");
        }
    }
}

package{
    public class Decorator extends Component{
        protected  var component:Component;
        
        public function SetComponent(component:Component):void{
            this.component = component;
        }
        public override function Operation():void{
            if(component != null){
                component.Operation();
            }
        }
    }
}

package{
    public class ConcreteDecoratorA extends Decorator{
        private var addedState:String;
        
        public override function Operation():void{
            super.Operation();
            addedState = "New State";
            trace("具体装饰对象A的操作");
        }
    }
}

package{
    public class ConcreteDecoratorB extends Decorator{
        public override function Operation():void{
            super.Operation();
            addedBehavior();
            trace("具体装饰对象B的操作");
        }
        private function addedBehavior():void{
            
        }
    }
}

第七章 代理模式

package
{
    import flash.display.Sprite;
    
    public class Main extends Sprite
    {
        public function Main()
        {
            var jiaojiao:SchoolGirl = new SchoolGirl();
            jiaojiao.name = "李娇娇";
            
            var daili:Proxy = new Proxy(jiaojiao);
            daili.GiveDolls();
        }
    }
}

package
{
    public interface IGiveGift
    {
         function GiveDolls():void;
    }
}

package{
    public class Pursuit implements IGiveGift{
        private var mm:SchoolGirl;
        public function Pursuit(mm:SchoolGirl){
            this.mm = mm;
        }
        public function GiveDolls():void{
            trace(mm.name + "送你洋娃娃");
        }
    }
}

package{
    public class SchoolGirl {
        private var _name:String;
        public function SchoolGirl(){
            
        }
        public function get name():String{
            return _name;
        }
        public function set name(value:String):void{
            _name = value;
        }
        
    }
}

package{
    public class Proxy implements IGiveGift{
        private var gg:Pursuit;
        public function Proxy(mm:SchoolGirl){
            gg = new Pursuit(mm);
        }
        public function GiveDolls():void{
            gg.GiveDolls();
        }
    }
}