我想使用 primefaces 扩展来阻止带有 blockUi 标记的整个页面。参考这个展示案例primefaces 扩展展示案例。根据 itys 的描述,如果目标为空或未定义,则整个页面被阻止。但是当我省略目标时,glassfish 日志表明javax.faces.FacesException: Cannot determinate target for blockUI component 'mainform:j_idt19'.
这是我的 html 代码的一部分
<h:body id="bodycontainer">
<h:form id="mainform">
<p:commandButton value="Extract" style="width: 8%;height: 100%" update="tableemails :confirmPurchase" id="extractbutton" ajax="true" widgetVar="ButtonExtract"
action="#{mailMB.searchEmails()}"
icon="ui-icon-disk" styleClass="ui-priority-primary"
onstart="blockUIWidget1.block()" oncomplete="blockUIWidget1.unblock(); purchase.show(); "/>
<pe:blockUI widgetVar="blockUIWidget1" >
<h:panelGrid columns="2">
<p:graphicImage url="pictures/loading_bar.gif" width="264" height="34" alt="animated-loading-bar"/>
<h:outputText value="Please wait..." style="white-space: nowrap;"/>
</h:panelGrid>
</pe:blockUI>
</p:panel>
</h:form>
</h:body>
我什至尝试过target=":bodycontainer"
但是在 glassfish 服务器中我得到了javax.faces.FacesException: Cannot find target for blockUI component 'bodycontainer'