C#之override学习案例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace override_test
{
    class TestOverride
    {
        public class Employee
        {
            public string name;
            protected decimal basepay;
            public Employee(string name, decimal basepay)  //构造函数
            {
                this.name = name;
                this.basepay = basepay;
            }
            public virtual decimal CalculatePay()
            {
                return basepay;
            }
        }
        public class SalesEmployee : Employee    //实现继承
        {
            private decimal salesbonus;
            public SalesEmployee(string name, decimal basepay, decimal salesbonus)
                : base(name, basepay)
            {
                this.salesbonus = salesbonus;
            }
            public override decimal CalculatePay()
            {
                return basepay + salesbonus;
            }
        }
        static void Main()
        {
            SalesEmployee employee1 = new SalesEmployee("Alice",1000,500);
            Employee employee2 = new Employee("Bob", 1200);
            Console.WriteLine("Employee" + employee1.name + "earned:" + employee1.CalculatePay());
            Console.WriteLine("Employee"+employee2.name+"earned:"+employee2.CalculatePay());
        }
    }
}             //override的作用就是用来重写基类的方法，如果不重写且基类方法依然为virtual，则类似于普通的继承