装饰模式的简单实现(C#)内有图一张,嘿嘿.....

ok

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
class Class1
{
public static void Main()
{
Person p = new Person("张三");

Ring r = new Ring();
EarRing er = new EarRing();
NeckLace nl = new NeckLace();

r.Decrate(p);
er.Decrate(r);
nl.Decrate(er);
nl.Show();
Console.Read();
}
}

class Person
{
string name;

public Person(string name)
{
this.name = name;
}

public Person()
{
} //重载一个没有参数的构造函数,给其他子类用

public virtual void Show()
{
Console.WriteLine("{0}拥有以上装饰物品", name);
}
}

class Decrator : Person
{
Person p;

public override void Show()
{
p.Show();
}

public void Decrate(Person p)
{
this.p = p;
}
}

class Ring : Decrator
{
public override void Show()
{
Console.WriteLine("戒指");
base.Show();
}
}

class EarRing : Decrator
{
public override void Show()
{
Console.WriteLine("耳环");
base.Show();
}
}

class NeckLace : Decrator
{
public override void Show()
{
Console.WriteLine("项链");
base.Show();
}
}
}