A security label component is a new database entity that can be created, dropped, and altered.
安全标签组件是一个新的数据库实体，可以被创建、删除和修改。
Array security label component: an array is an ordered list of elements that can be used to represent a simple hierarchy.
数组安全标签组件：数组是一组有序的元素，可用于表示简单的层次结构。
Tree security label component: a tree is a collection of elements representing a complex hierarchy having multiple nodes and branches.
树安全标签组件：树是一个元素集合，用于表示有多个节点和分支的复杂层次关系。
The ID given for the label component in the page class ("message") must match with the Wicket ID of the element in the template file (wicket:id="message").
页面类中label组件的ID（"message"）必须要与模板文件内此元素的Wicket ID（wicket:id="message"）相匹配。
The family property shown below is used to associate the Label component with a renderer.
下面显示的family属性用来把Label组件与渲染器关联。
Remember that the Tag class sets up the binding from the JSP to the Label component, as shown in Figure 4.
记住，Tag设置从JSP到Label组件的绑定，如图 4 所示。
As with the Label component, you will need a custom tag to bind the Field component to a JSP, as shown in Listing 7.
像使用Label组件时一样，需要用定制标记把Field组件绑定到JSP，如清单7所示。
As with the Label component, you will need a custom tag to bind the Field component to a JSP, as shown in Listing 7.
像使用Label组件时一样，需要用定制标记把Field组件绑定到JSP，如清单7所示。
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