A JSP renderer uses RequestContext.getRenderedManagedObject() to access the content instance or content component being rendered. The JSP renderer can then process the returned object to produce any desired rendered output:
<%
RequestContext rc = PageUtil.getCurrentRequestContext(pageContext);
ManagedObject mo = rc.getRenderedManagedObject();
%>
The preceding gets a managed object and its request context. You can then manipulate the results however you like. A simple example (which iterates through and displays a list of managed objects returned by a query component) follows:
<%
RequestContext rc = PageUtil.getCurrentRequestContext(pageContext);
QueryContentComponent qc = (QueryContentComponent)
rc.getRenderedManagedObject();
List results = qc.getResults(rc);
Iterator it = results.iterator();
while (it.hasNext()) {
ManagedObject result = (ManagedObject) it.next();
out.println("This result is " + result.getName() + "<br>");
}
%>
AJSP渲染器使用详解
本文介绍了AJSP渲染器如何通过RequestContext获取被渲染的Managed Object,并展示了如何处理返回的对象来生成所需的输出内容。此外,还提供了一个示例,演示了如何遍历并显示由查询组件返回的Managed Object列表。
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