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标题: C#接口范例：USB接口的实现

作者: dnawo

日期: 2007-12-16 11:37 PM

分类: Web编程

内容: 复制内容到剪贴板 程序代码namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            USB usb;
            usb = new UDisk();//插入U盘
            usb.OutputFile();//从U盘读出文件
            usb.InputFile();//往U盘写入文件
            usb.Dispose();//拔出U盘
            Console.WriteLine("");
            usb = new MDisk();//插入移动硬盘
            usb.OutputFile();//从移动硬盘读出文件
            usb.InputFile();//往移动硬盘写入文件
            usb.Dispose();//拔出移动硬盘
            Console.WriteLine("");
            usb = new MP4();//插入MP4
            usb.OutputFile();//从MP4读出文件
            usb.InputFile();//往MP4写入文件
            usb.Dispose();//拔出MP4
            Console.ReadKey();
        }
        //USB接口
        public interface USB : IDisposable
        {
            void OutputFile();//读出文件
            void InputFile();//写入文件
        }
        //U盘
        public class UDisk : USB
        {
            public UDisk()
            {
                Console.WriteLine("U盘准备就绪...");
            }
            public void OutputFile()
            {
                Console.WriteLine("从U盘读出文件");
            }
            public void InputFile()
            {
                Console.WriteLine("往U盘写入文件");
            }
            public void Dispose()
            {
                Console.WriteLine("U盘已被拔出");
            }
        }
        //移动硬盘
        public class MDisk : USB
        {
            public MDisk()
            {
                Console.WriteLine("移动硬盘准备就绪...");
            }
            public void OutputFile()
            {
                Console.WriteLine("从移动硬盘读出文件");
            }
            public void InputFile()
            {
                Console.WriteLine("往移动硬盘写入文件");
            }
            public void Dispose()
            {
                Console.WriteLine("移动硬盘已被拔出");
            }
        }
        //MP4
        public class MP4 : USB
        {
            public MP4()
            {
                Console.WriteLine("MP4准备就绪...");
            }
            public void OutputFile()
            {
                Console.WriteLine("从MP4读出文件");
            }
            public void InputFile()
            {
                Console.WriteLine("往MP4写入文件");
            }
            public void Dispose()
            {
                Console.WriteLine("MP4已被拔出");
            }
        }
    }
}

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