When a user asks for a JSP page, the server executes the JSP elements, merges the results with the static parts of the page, and sends the dynamically composedpage back to the browser.
The central area of the page is usually composed with a list or constrained list component, offering a variety of methods of sorting or displaying the list of data records.
页面中心区域通常由列表或受限列表组件构成，提供各种方法排序或显示数据记录。
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One special screen template, the Home screen template, contains information on how the current page is composed.