使用3种设计模式：工厂模式，组合模式，策略模式，实现图像的切换。-The use of three kinds of design patterns: Factory pattern, combined model, strategy pattern, to achieve the image switching.

lcd 液晶显示屏设计资料和出厂简单应用实例 适合毕业设计-lcd LCD display design data and factory design simple application for graduation