The object (Listing 2) takes an ID of an element on the page, a URL of a Web server, and a map of options.

此对象（清单 2）接受页面上一个元素的 ID、Web 服务器的一个 URL 和一个表示选项的映射键值对。

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The final step is to update the LoginAction to retrieve the privileges of each user from the database at login-time, and assign them to the user object. Listing 16 contains the updated code.

最后一个步骤是更新LoginAction以在登录时从数据库获取每个用户的特权，并将它们分配给用户对象。

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In the case of the tree object, Listing 11 shows a program to add a node to a tree object captured as verification point.

在tree对象中，列表11显示了一个添加节点到作为验证点获取的tree对象的程序。

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