设计模式

设计模式

设计这个项目的一种方式。

简单工厂设计模式

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _03简单工厂设计模式
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("请输入电脑的品牌");
            string input = Console.ReadLine();
            NoteBook nb = GetComupter(input);
            nb.SayHello();
            Console.ReadKey();
        }

        /// <summary>
        /// 简单工厂设计模式，根据用户的输入来返回一个父类，里面装的是个子类对象
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static NoteBook GetComupter(string name)
        {
            NoteBook nb = null;
            switch (name)
            {
                case "戴尔":
                    nb = new Dell();
                    break;
                case "IBM":
                    nb = new IBM();
                    break;
                case "宏基":
                    nb = new Acer();
                    break;
                case "联想":
                    nb = new Lenovo();
                    break;
            }

            return nb;
        }
    }
    public abstract class NoteBook
    {
        public abstract void SayHello();
    }

    public class Lenovo : NoteBook
    {
        public override void SayHello()
        {
            Console.WriteLine("我是联想电脑");
        }
    }

    public class Acer : NoteBook
    {
        public override void SayHello()
        {
            Console.WriteLine("我是宏基电脑");
        }
    }

    public class Dell : NoteBook
    {
        public override void SayHello()
        {
            Console.WriteLine("我是戴尔电脑");
        }
    }

    public class IBM : NoteBook
    {
        public override void SayHello()
        {
            Console.WriteLine("我是IBM电脑");
        }
    }


}