The JSP custom tag libraries are a collection of actions presented as tags.

JSP 定制标记库是用标记表示的一组行为的集合。

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Using custom tag libraries to construct the component tree in the view root.

使用自定义标签库在视图根中构造组件树。

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Of further benefit is the existence of the standard set of custom tag libraries defined within the JSTL.

更好的是在JSTL中已存在一组已定义的标准的自定义标记库。

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