Active Record doesn't require a mapping file, as Hibernate does; in fact, a developer working with Active Record doesn't need to code getters or setters, or even the properties of the class.

与Hibernate一样，Active Record不需要映射文件；实际上，使用Active Record的开发人员不需要对getter或setter、甚至类的属性进行编码。

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In this case, we will follow the Active Record pattern and wrap a database row with a class capable of all database operations. Its code is shown below.

在本例中，我们将遵循active Record模式并用能够执行所有数据库操作的类封装数据库行。

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