学步园

周五开发会议，项目组长对下一阶段各部门的开发做一个规划，由此想到了观察者模式。直接上代码

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

namespace ObserveDemo1
{
    class Program
    {
        static void Main(string[] args)
        {
            Boss _boss = new Boss("开发周期四");

            IWorker _fe = new FrontEngineer();
            IWorker _be = new BackEngineer();
            IWorker _fr = new FineArts();

            _boss.AddObserver(_fe);
            _boss.AddObserver(_be);
            _boss.AddObserver(_fr);

            _boss.Notify();

        }
    }

    public abstract class ISubject
    {
        public string Name;
        public List<IWorker> subjects = new List<IWorker>();

        public ISubject(string _name)
        {
            this.Name = _name;
        }

        public void Notify()
        {
            foreach(IWorker _observer in subjects)
            {
                _observer.DoWork();
            }
        }

        public void AddObserver(IWorker _observer)
        {
            this.subjects.Add(_observer);
        }

        public void RemoveObserver(IWorker _observer)
        {
            this.subjects.Remove(_observer);
        }
    }

    public class Boss : ISubject
    {
        public Boss(string _name)
            : base(_name)
        {
        
        }
    }

    public interface IWorker
    {
        void DoWork();
    }

    public class  FrontEngineer:IWorker
    {
        public void DoWork()
        {
            Console.WriteLine("前端优化抽包动画特效");
        }
    }

    public class BackEngineer : IWorker
    {
        public void DoWork()
        {
            Console.WriteLine("后端修改鬼市刷新机制");
        }
    }

    public class FineArts : IWorker
    {
        public void DoWork()
        {
            Console.WriteLine("美工完成宣传图");
        }
    }

}