BaseAction was designed to provide most of the logic and helper methods that the other Action classes require to process the users' requests.

BaseAction用于提供大多数逻辑和辅助(helper)方法，而其他action类需要用这些方法来处理用户请求。

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The added benefit is that it provides a good framework for future extensibility of the application. The BaseAction class provides the following functionality.

增加所带来的好处是为应用程序将来的扩展提供了良好框架。

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The added benefit is that it provides a good framework for future extensibility of the application. The BaseAction class provides the following functionality.

增加所带来的好处是为应用程序将来的扩展提供了良好框架。

youdao