裝飾器模式:
https://www.cnblogs.com/zhangtianq/p/6091047.html
適配器模式:
https://blog.csdn.net/u012359453/article/details/79165080
工廠模式和抽象工廠模式:
https://blog.csdn.net/qq_32623363/article/details/78246678
MVC模式:
https://www.cnblogs.com/chengyuanchun/p/4914154.html
觀察者模式: