C#设计模式之装饰器模式实例详解

    public abstract class OurStrategy
    {
        public abstract void Play(string msg);
    }

    public class OurDefaultStategy : OurStrategy
    {
        public override void Play(string msg)
        {
            Console.WriteLine("上半场4-1-2-1防守阵型");
        }
    }

    public abstract class OurDecorator : OurStrategy
    {
        private OurStrategy _ourStrategy;
        public OurDecorator(OurStrategy ourStrategy)
        {
            this._ourStrategy = ourStrategy;
        }
        public override void Play(string msg)
        {
            if (_ourStrategy != null)
            {
                _ourStrategy.Play(msg);
            }
        }
    }

    public class AttackStategy : OurDecorator
    {
        public AttackStategy(OurStrategy ourStrategy) : base(ourStrategy)
        {
            
        }
        public override void Play(string msg)
        {
            base.Play(msg);
            Console.WriteLine("下半场3-1-3-1进攻阵型");
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            OurDecorator ourDecorator = new AttackStategy(new OurDefaultStategy());
            ourDecorator.Play("haha");
            Console.ReadKey();
        }
    }