C#面向对象设计模式纵横谈——10. Decorator装饰模式

主讲：李建忠

来源：http://www.microsoft.com/china/msdn/events/webcasts/shared/webcast/consyscourse/CsharpOOD.aspx

 

 

Decoratorpublic class Tank

{

    abstract void Shot();

    abstract void Run();

}



public abstract class Decorator:Tank  //Do as 接口继承

{

	private Tank _tank;  //Has-A 对象组合

	

	public Decorator(Tank tank)

	{

		this._tank=tank;

	}

	

	public override void Shot()

	{

		_tank.Shot();

	}

	

	public override void Run()

	{

		_tank.Run();

	}

}



public abstract class DecoratorA:Decorator

{

	public DecoratorA(Tank tank):base(tank)

	{

		

	}

	

	public override void Shot()

	{

		//Do some extension 功能扩展

		base.Shot();

	}

	

	public override void Run()

	{

	    //Do some extension 功能扩展

		base.Run();

	}

}



public abstract class DecoratorB:Decorator

{

	public DecoratorA(Tank tank):base(tank)

	{

		

	}

	

	public override void Shot()

	{

		//Do some extension 功能扩展

		base.Shot();

	}

	

	public override void Run()

	{

	    //Do some extension 功能扩展

		base.Run();

	}

}



public class T50:Tank

{

	public override void Shot()

	{

		

	}

	

    public override void Run()

    {

    	

    }

}



public class T75:Tank

{

    public override void Shot()

	{

		

	}

	

    public override void Run()

    {

    	

    }

}



class App

{

	public static void Main()

	{

		Tank tank=new T50();

		DecoratorA da=new DecoratorA(tank);//红外

		DecoratorB db=new DecoratorB(da);//红外，两栖

	}

}