The controller examines the request and extracts the view ID, which is determined by the name of the JSP page.

控制器会对请求进行考查，并提取出视图的ID，这是由jsp页面的名字来确定的。

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The JSF framework controller USES the view ID to look up the components for the current view.

JSF框架控制器使用这个视图ID来为当前的视图查找组件。

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Each data map instance has a unique ID composed from the user ID and the JSF view ID.

每个地图实例都有一个惟一的ID，此ID由用户ID和JS f视图id组成。

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