If the application USES a DAO (data access object) with dynamic SQLs and stored procedures, the value object that is passed to DAO can be declared as a cloud resource using annotations.

如果应用程序使用DAO(数据访问对象)来产生动态sql和存储过程，那么传递给DAO的值对象就可以使用注释声明为一种云资源。

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In the application shown in Figure 2, the GUI relies on an abstraction — a data access object or DAO.

在图2所示的应用程序中，GUI依赖于一个抽象——一个数据访问对象或DAO。

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Applying the data access Object (DAO) pattern throughout the applications enabled us to separate low-level data access logic from business logic.

在整个应用程序中使用数据访问对象(DAO)使我们可以将底层数据访问逻辑与业务逻辑分离开来。

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