static void Main(string[] args)
        {
            /*此处将简单工厂模式升级为工厂模式, 在简单工厂模式中,将所有对象的创建都
             * 集中在一个类中,增加了if-else的嵌套,而在工厂模式中,将工厂Factory设置
             * 为抽象类,在Factory的子类中实现具体的某个对象的创建,从而减少if-else的
             * 嵌套,另外,此时如果增加其他的日志文件类型,只需要增加一个新的Factory的
             * 子类即可,而不用更改其他的类
             */
            ILoggerFactory factory1, factory2;
            ILogger        logger1, logger2;

            factory1 = new FileLoggerFactory();
            logger1  = factory1.createLogger();
            logger1.writeLogger();

            factory2 = new CountLoggerFactory();
            logger2  = factory2.createLogger();
            logger2.writeLogger();
        }
示例#2
0
        static void Main(string[] args)
        {
            ILoggerFactory fileLoggerFactory     = new FileLoggerFactory();
            ILoggerFactory databaseLoggerFactory = new DatabaseLoggerFactory(); //针对抽象工厂接口编程
            ILogger        fileLogger            = fileLoggerFactory.CreateLogger();
            ILogger        databaseLogger        = databaseLoggerFactory.CreateLogger();

            fileLogger.Log();
            databaseLogger.Log();

            IImageReaderFactory gifReaderFactory = new GifReaderFactory();
            IImageReaderFactory jpgReaderFactory = new JPGReaderFactory();
            IImageReaderFactory bmpReaderFactory = new BMPReaderFactory();
            IImageReader        gifReader        = gifReaderFactory.GetImageReader();
            IImageReader        jpgReader        = jpgReaderFactory.GetImageReader();
            IImageReader        bmpReader        = bmpReaderFactory.GetImageReader();

            gifReader.Load(@"E:\Media\Images\壁纸\ (1).jpg");
            jpgReader.Load(@"E:\Media\Images\壁纸\ (1).jpg");
            bmpReader.Load(@"E:\Media\Images\壁纸\ (1).jpg");

            Console.ReadKey();
        }