设计模式

设计这个项目的一种方式。

 

简单工厂设计模式

 

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace _03简单工厂设计模式 8 { 9     class Program10     {11         static void Main(string[] args)12         {13             Console.WriteLine("请输入电脑的品牌");14             string input = Console.ReadLine();15             NoteBook nb = GetComupter(input);16             nb.SayHello();17             Console.ReadKey();18         }19 20         /// 
21         /// 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22         /// 
23         /// 24         /// 
      25         public static NoteBook GetComupter(string name)26         {27             NoteBook nb = null;28             switch (name)29             {30                 case "戴尔":31                     nb = new Dell();32                     break;33                 case "IBM":34                     nb = new IBM();35                     break;36                 case "宏基":37                     nb = new Acer();38                     break;39                 case "联想":40                     nb = new Lenovo();41                     break;42             }43 44             return nb;45         }46     }47     public abstract class NoteBook48     {49         public abstract void SayHello();50     }51 52     public class Lenovo : NoteBook53     {54         public override void SayHello()55         {56             Console.WriteLine("我是联想电脑");57         }58     }59 60     public class Acer : NoteBook61     {62         public override void SayHello()63         {64             Console.WriteLine("我是宏基电脑");65         }66     }67 68     public class Dell : NoteBook69     {70         public override void SayHello()71         {72             Console.WriteLine("我是戴尔电脑");73         }74     }75 76     public class IBM : NoteBook77     {78         public override void SayHello()79         {80             Console.WriteLine("我是IBM电脑");81         }82     }83 84 85 }