C#组合模式编程 剖析设计模式编程中C#对于组合模式的运用

  //// <summary>
  /// //族人 抽象出来的族人共性
  /// </summary>
  public abstract class Father
  {
    //族人的姓名
    protected string name = string.Empty;
    public string Name
    {
      get
      {
        return name;
      }
    }

    //增加后代
    public abstract void Add(Father boy);
    //逐出家谱
    public abstract void Remove(Father boy);

    //定义所有族人，做个简介
    public abstract void Intro();
  }家族成员代码


 //男性后代
  public class Boy : Father
  {
    //构造函数
    public Boy() { }
    public Boy(string Name)
    {
      this.name = Name;
    }

    List<Father> myFamily = new List<Father>();

    //自我简介
    public override void Intro()
    {
      Console.WriteLine("我是:{0};", Name);
      foreach (Father f in myFamily)
      {
        f.Intro();
      }
    }

    //增加后代
    public override void Add(Father boy)
    {
      myFamily.Add(boy);
    }

    //逐出家谱
    public override void Remove(Father boy)
    {
      myFamily.Remove(boy);
    }
  }

  //女性后代 
  public class Gril : Father
  {
    //构造函数
    public Gril() { }
    public Gril(string Name)
    {
      this.name = Name;
    }
    //自我简介
    public override void Intro()
    {
      Console.WriteLine("我是:{0};", Name);
    }
    //不能添加
    public override void Add(Father store)
    {
      throw new NotImplementedException();
    }
    //不能删除
    public override void Remove(Father store)
    {
      throw new NotImplementedException();
    }
  }客户端代码：


    public static void Main()
    {
      //爷爷取老婆
      Boy yeye = new Boy("爷爷");
      Gril nainai = new Gril("奶奶");
      yeye.Add(nainai);

      //爷爷要孩子
      Boy baba = new Boy("爸爸");
      Gril gugu = new Gril("姑姑");      
      yeye.Add(gugu);
      yeye.Add(baba);

      //爸爸要我
      Boy me = new Boy("me");
      baba.Add(me);

      //我要孩子
      Boy son = new Boy("son");
      me.Add(son);

      //爷爷的大家庭，族谱做介绍
      yeye.Intro();

      Console.Read();
    }