动态ui:包括el-expression吗? [英] dynamic ui:include with el-expression?

问题描述

我正在使用JSF 2.0.

I'm using JSF 2.0.

有没有办法使此代码正常工作?

Is there a way to make this code work?

<ui:repeat value="#{theBean.tabList}" var="tab">
    <h:panelGroup rendered="#{theBean.chose == tab.tabHash}">
        <h:outputText value="TESTING #{tab.tabName} (#{tab.tabFile})" />
        <ui:include src="#{tab.tabFile}" />
    </h:panelGroup>
</ui:repeat>

具体地说，是行<ui:include src="#{tab.tabFile}" />. 目前，我得到一个空白页(我想这意味着#{tab.tabFile}评估为null \ empty.)

Specifically, the line <ui:include src="#{tab.tabFile}" />. Currently I get a blank page (Meaning, I guess, that #{tab.tabFile} evaluated to null\empty.)

谢谢！

推荐答案

<ui:include>在视图构建时运行(以生成JSF组件树)，而<ui:repeat>在视图渲染时运行(以生成HTML输出) )，即在视图构建时间之后.使用<c:forEach>代替<ui:repeat>，它也会在视图构建期间运行.

The <ui:include> runs during view build time (to generate the JSF component tree) while the <ui:repeat> runs during view render time (to generate the HTML output), which is after the view build time. Use <c:forEach> instead of <ui:repeat>, it runs during view build time as well.

• c:forEach vs ui:repeat

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