数据对象代表本地可用数据的对象。利用它，客户端组件可以进行交互；它也是对象的封装器，可以管理该对象的属性变更事件。

A data object represents an object of data that is available locally with which client components can interact, and is a wrapper to an object that manages property change events for that object.

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数据对象代表本地可用数据的对象。利用它，客户端组件可以进行交互；它也是对象的封装器，可以管理该对象的属性变更事件。

A data object represents an object of data that is available locally with which client components can interact, and is a wrapper to an object that manages property change events for that object.

youdao