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   源码介绍

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

namespace 装饰模式
{
    class Program
    {
        static void Main(string[] args)
        {
            Person xc = new Person("小菜");

            Console.WriteLine("\n第一种装扮：");

            Sneakers pqx = new Sneakers();
            BigTrouser kk = new BigTrouser();
            TShirts dtx = new TShirts();

            pqx.Decorate(xc);
            kk.Decorate(pqx);
            dtx.Decorate(kk);
            dtx.Show();

            Console.WriteLine("\n第二种装扮：");

            LeatherShoes px = new LeatherShoes();
            Tie ld = new Tie();
            Suit xz = new Suit();

            px.Decorate(xc);
            ld.Decorate(px);
            xz.Decorate(ld);
            xz.Show();

            Console.WriteLine("\n第三种装扮：");
            Sneakers pqx2 = new Sneakers();
            LeatherShoes px2 = new LeatherShoes();
            BigTrouser kk2 = new BigTrouser();
            Tie ld2 = new Tie();

            pqx2.Decorate(xc);
            px2.Decorate(pqx);
            kk2.Decorate(px2);
            ld2.Decorate(kk2);

            ld2.Show();

            Console.Read();
        }
    }

    class Person
    {
        public Person()
        { }

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

        public virtual void Show()
        {
            Console.WriteLine("装扮的{0}", name);
        }
    }

    class Finery : Person
    {
        protected Person component;

        //打扮
        public void Decorate(Person component)
        {
            this.component = component;
        }

        public override void Show()
        {
            if (component != null)
            {
                component.Show();
            }
        }
    }


    class TShirts : Finery
    {
        public override void Show()
        {
            Console.Write("大T恤 ");
            base.Show();
        }
    }

    class BigTrouser : Finery
    {
        public override void Show()
        {
            Console.Write("垮裤 ");
            base.Show();
        }
    }

    class Sneakers : Finery
    {
        public override void Show()
        {
            Console.Write("破球鞋 ");
            base.Show();
        }
    }

    class Suit : Finery
    {
        public override void Show()
        {
            Console.Write("西装 ");
            base.Show();
        }
    }

    class Tie : Finery
    {
        public override void Show()
        {
            Console.Write("领带 ");
            base.Show();
        }
    }

    class LeatherShoes : Finery
    {
        public override void Show()
        {
            Console.Write("皮鞋 ");
            base.Show();
        }
    }
}