设计模式---组合模式（CSDN依然没有恢复迹象......）

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设计模式—组合模式（CSDN依然没有恢复迹象……）

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

namespace ConsoleApplication1
{
    abstract class AbstractCompany
    {
        protected String Name;

        public AbstractCompany(string name)
        {
            this.Name = name;
        }

        public abstract void Add(AbstractCompany c);

        public abstract void Remove(AbstractCompany c);

        public abstract void Show(int len);

        public abstract void DoJob();
    }

    class RealCompany : AbstractCompany
    {
        private IList<AbstractCompany> Son = new List<AbstractCompany>();

        public RealCompany(string name) : base(name)
        {
        }

        public override void Add(AbstractCompany c)
        {
            Son.Add(c);
        }

        public override void DoJob()
        {
            Console.WriteLine(Name + "公司正常运转");
            foreach (AbstractCompany a in Son)
            {
                a.DoJob();
            }
        }

        public override void Remove(AbstractCompany c)
        {
            Son.Remove(c);
        }

        public override void Show(int len)
        {
            Console.WriteLine(new String('-', len) + Name);
            foreach (AbstractCompany a in Son)
            {
                a.Show(len + 1);
            }
        }
    }

    class HR : AbstractCompany
    {
        public HR(string name) : base(name)
        {
        }

        public override void Add(AbstractCompany c)
        {
        }

        public override void DoJob()
        {
            Console.WriteLine(Name + "人事部正常运转");
        }

        public override void Remove(AbstractCompany c)
        {
        }

        public override void Show(int len)
        {
            Console.WriteLine(new string('-', len) + Name);
        }
    }

    class Client
    {
        public static void Main()
        {
            AbstractCompany root = new RealCompany("总公司");
            root.Add(new HR("总公司人事部"));

            RealCompany r = new RealCompany("分公司");
            r.Add(new HR("分公司人事部"));

            root.Add(r);

            root.Show(1);
            root.DoJob();

            Console.Read();
        }
    }
}