【怎样写代码】工厂三兄弟之抽象工厂模式（六）：扩展案例II
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如果喜欢这里的内容，你能够给我最大的帮助就是转发，告诉你的朋友，鼓励他们一起来学习。
If you like the content here, you can give me the greatest help is forwarding, tell your friends, encourage them to learn together.