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();
}
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();
}