C#实现USB接口的程序代码

1. namespace ConsoleApplication1
2. {
3.     class Program
4.     {
5.         static void Main(string[] args)
6.         {
7.             USB usb;
8.             usb = new UDisk();//插入U盘
9.             usb.OutputFile();//从U盘读出文件
10.             usb.InputFile();//往U盘写入文件
11.             usb.Dispose();//拔出U盘 
12.             Console.WriteLine("");
13.             usb = new MDisk();//插入移动硬盘
14.             usb.OutputFile();//从移动硬盘读出文件
15.             usb.InputFile();//往移动硬盘写入文件
16.             usb.Dispose();//拔出移动硬盘
17.             Console.WriteLine("");
18.             usb = new MP4();//插入MP4
19.             usb.OutputFile();//从MP4读出文件
20.             usb.InputFile();//往MP4写入文件
21.             usb.Dispose();//拔出MP4 
22.             Console.ReadKey();
23.         } 
25.         //USB接口
26.         public interface USB : IDisposable
27.         {
28.             void OutputFile();//读出文件
29.             void InputFile();//写入文件
30.         } 
32.         //U盘
33.         public class UDisk : USB
34.         {
35.             public UDisk()
36.             {
37.                 Console.WriteLine("U盘准备就绪...");
38.             }
39.             public void OutputFile()
40.             {
41.                 Console.WriteLine("从U盘读出文件");
42.             }
43.             public void InputFile() 
44.             {
45.                 Console.WriteLine("往U盘写入文件");
46.             }
47.             public void Dispose()
48.             {
49.                 Console.WriteLine("U盘已被拔出");
50.             }
51.         } 
53.         //移动硬盘
54.         public class MDisk : USB
55.         {
56.             public MDisk()
57.             {
58.                 Console.WriteLine("移动硬盘准备就绪...");
59.             }
60.             public void OutputFile()
61.             {
62.                 Console.WriteLine("从移动硬盘读出文件");
63.             }
64.             public void InputFile() 
65.             {
66.                 Console.WriteLine("往移动硬盘写入文件");
67.             }
68.             public void Dispose()
69.             {
70.                 Console.WriteLine("移动硬盘已被拔出");
71.             }
72.         } 
74.         //MP4
75.         public class MP4 : USB
76.         {
77.             public MP4()
78.             {
79.                 Console.WriteLine("MP4准备就绪...");
80.             }
81.             public void OutputFile()
82.             {
83.                 Console.WriteLine("从MP4读出文件");
84.             }
85.             public void InputFile() 
86.             {
87.                 Console.WriteLine("往MP4写入文件");
88.             }
89.             public void Dispose()
90.             {
91.                 Console.WriteLine("MP4已被拔出");
92.             }
93.         }
94.     }
95. }