点

<h:selectOneMenu id="dep" value="#{a.depcd}" valueChangeListener="#{approve.depListener}" onchange="submit();" >
<f:selectItems value="#{a.depItems}"/>
</h:selectOneMenu>

<h:dataTable value="#{approve.downloadList}" var="downloadInfo" rowClasses="tableEvenRow,tableOddRow">
<h:column>

<h:commandLink id="down" action="#{a.downloadAction}" target="_top">
<h:outputText value="#{d.download}" style="width:77"/>
</h:commandLink>
<h:outputText value="#{d.download}" />

</h:column>
</h:dataTable>
点<h:commandLink 下载后再点其它控件selectOneMenu,又弹出下载对话框