Java 设计模式 之 装饰模式

http://www.verejava.com/?id=16999090833167

package com.decorator.theory;

public class TestDecorator
{
	public static void main(String[] args)
	{
		Person p=new Man();
		p.show();
		
		p=new ManagerDecorator(p);
		p.show();
		
		p=new ActorDecorator(p);
		p.show();
		
	}
}





package com.decorator.theory;

public interface Person
{
	public void show();
}





package com.decorator.theory;

public class Man implements Person
{

	@Override
	public void show()
	{
		System.out.println("我是一个男人");
	}

}





package com.decorator.theory;

public class ManagerDecorator extends Decorator
{

	public ManagerDecorator(Person p)
	{
		super(p);
	}

	@Override
	public void show()
	{
		p.show();
		System.out.println("我还是一个经理");
		
	}

}





package com.decorator.theory;

public abstract class Decorator implements Person
{
	protected Person p;
	
	public Decorator(Person p)
	{
		this.p=p;
	}
}





package com.decorator.theory;

public class ActorDecorator extends Decorator
{

	public ActorDecorator(Person p)
	{
		super(p);
	}

	@Override
	public void show()
	{
		p.show();
		System.out.println("我还是国际演员");
		
	}

}

http://www.verejava.com/?id=16999090833167