The MVC pattern has a long history, with numerous variations.
MVC模式已经有很长的历史了，并且有很多变体。
You should definitely look at them if you work with numerous classes in your application.
如果您的应用程序中包含了大量类的话，那么您一定要查看这些示例用法。
You should definitely look at them if you work with numerous classes in your application.
如果您的应用程序中包含了大量类的话，那么您一定要查看这些示例用法。
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