C#多态联系之虚方法

 class Class1
    {
        static void Main(string[] args)
        {
            YuanGong yg = new YuanGong();
            JingLi jl = new JingLi();
            LaoBan lb = new LaoBan();

            //声明一个数组的父类
            YuanGong[] ayg = { yg, jl, lb };
            //遍历数组
            for (int i = 0; i < ayg.Length; i++)
            {
                ayg[i].DaKa();
            }
            Console.ReadKey();
        }

    }
    public class YuanGong
    {
        //virtual虚拟，在子类中改变后，用父类实例化子类后可以调用子类方法
        public virtual void DaKa()
        {
            Console.WriteLine("员工九点打卡");
        }
    }
    public class JingLi:YuanGong
    {
        //override 接收对应 virtual
        public override void DaKa()
        {
            Console.WriteLine("经理十点打卡");
        }
    }
    public class LaoBan:YuanGong
    {
        public override void DaKa()
        {
            Console.WriteLine("老板不打卡");
        }
    }