public interface IRun
    {
        void RunLottery();
    }

    public interface IBetting
    {
        void BettingLottery();
    }


    public class 三色球 : IRun
    {
        public void RunLottery()
        {
            //
        }
    }

    public class 足彩 : IRun
    {
        public void RunLottery()
        {
            //
        }
    }


    public abstract class  Lottery 
    {
        protected IRun runBehavior;
        protected IBetting bettingBehavior;

        //开奖
        public void Run()
        {
            this.runBehavior.RunLottery();
        }

        //投注
        public void Betting()
        {
            this.bettingBehavior.BettingLottery();
        }

        //说明信息
        public abstract void Summary();

    }