02 工厂方法模式/FactoryMethod.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

/*
* ==============================================================================
*
* File name: FactoryMethod
* Description: 
*
* Version: 1.0
* Created: 2015-07-07 16:10:56
*
* Author: Your name
* Company: Your company name
*
* ==============================================================================
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _02_工厂方法模式
{
    public abstract class Operation
    {
        double numberA;

        public double NumberA
        {
            get { return numberA; }
            set { numberA = value; }
        }
        double numberB;

        public double NumberB
        {
            get { return numberB; }
            set { numberB = value; }
        }

        //public virtual double GetResult()  //虚方法，派生类中可不重写
        //{
        //    double result = 0;
        //    return result;
        //}
        public abstract double GetResult(); //抽象方法，派生类中必须实现此方法      

    }

    class OperationAdd : Operation
    {
        public override double GetResult()
        {
            //double result = 0;
            //result = NumberA + NumberB;
            //return result;
            return NumberA +NumberB;
        }

       
    }