设计模式之组合模式

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

namespace 设计模式之组合模式
{
    public abstract class Company
    {
        public string name;
        public Company(string Name)
        {
            name = Name;
        }
        public abstract void Add(Company Item);
        public abstract void Remove(Company Item);
        public abstract void Display();
        public abstract void Func();
    }
    public class TCompany : Company
    {
        public List<Company> Items = new List<Company>();
        public TCompany(string Name)
            : base(Name)
        {

        }
        public override void Add(Company Item)
        {
            Items.Add(Item);
        }
        public override void Remove(Company Item)
        {
            Items.Remove(Item);
        }
        public override void Display()
        {
            Console.WriteLine("--" + name);
            foreach (var Item in Items)
            {
                // Console.WriteLine("--"+name);
                Item.Display();
            }
        }
        public override void Func()
        {
            foreach (var Item in Items)
            {
                Item.Func();
            }
        }
    }
    public class ADepartment : Company
    {
        public List<Company> Items = new List<Company>();
        public ADepartment(string Name)
            : base(Name)
        {

        }
        public override void Add(Company Item)
        {
            Items.Add(Item);
        }
        public override void Remove(Company Item)
        {
            Item.Remove(Item);
        }
        public override void Display()
        {
            Console.WriteLine("-" + name);
        }
        public override void Func()
        {
            Console.WriteLine("A部门履行职责");
        }
    }
    public class BDepartment : Company
    {
        public List<Company> Items = new List<Company>();
        public BDepartment(string Name)
            : base(Name)
        {

        }
        public override void Add(Company Item)
        {
            Items.Add(Item);
        }
        public override void Remove(Company Item)
        {
            Item.Remove(Item);
        }
        public override void Display()
        {

            Console.WriteLine("-" +name);


        }
        public override void Func()
        {
            Console.WriteLine("B部门履行职责");
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            TCompany a = new TCompany("总公司");
            a.Add(new ADepartment("总公司A部门"));
            a.Add(new BDepartment("总公司B部门"));
            TCompany b = new TCompany("华南分公司");
            b.Add(new ADepartment("华南分公司A部门"));
            b.Add(new BDepartment("华南分公司B部门"));
            a.Add(b);
            TCompany c = new TCompany("华中分公司");
            c.Add(new ADepartment("华中分公司A部门"));
            c.Add(new BDepartment("华中分公司B部门"));
            a.Add(c);
            a.Display();
            Console.Read();
        }
    }
}