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  • 简单工厂的核心 根据用户的输入创建对象赋值给父类

    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("请输入您想要的笔记本品牌");
                string brand = Console.ReadLine();
                NoteBook nb = GetNoteBook(brand);
                nb.SayHello();
                Console.ReadKey();
            }
    
    
            /// <summary>
            /// 简单工厂的核心 根据用户的输入创建对象赋值给父类
            /// </summary>
            /// <param name="brand"></param>
            /// <returns></returns>
            public static NoteBook GetNoteBook(string brand)
            {
                NoteBook nb = null;
                switch (brand)
                {
                    case "Lenovo": nb = new Lenovo();
                        break;
                    case "IBM": nb = new IBM();
                        break;
                    case "Acer": nb = new Acer();
                        break;
                    case "Dell": nb = new Dell();
                        break;
                }
                return nb;
            }
        }
    
        public abstract class NoteBook
        {
            public abstract void SayHello();
        }
    
        public class Lenovo : NoteBook
        {
            public override void SayHello()
            {
                Console.WriteLine("我是联想笔记本,你联想也别想");
            }
        }
    
    
        public class Acer : NoteBook
        {
            public override void SayHello()
            {
                Console.WriteLine("我是鸿基笔记本");
            }
        }
    
        public class Dell : NoteBook
        {
            public override void SayHello()
            {
                Console.WriteLine("我是戴尔笔记本");
            }
        }
    
        public class IBM : NoteBook
        {
            public override void SayHello()
            {
                Console.WriteLine("我是IBM笔记本");
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/blacop/p/5964216.html
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