我在两个嵌套表单中有一个支持 bean 方法（会话范围），该方法不会触发。
我用一个展示问题的通用示例提出了这个问题。
我希望了解如何/为何使用表单、对话框和appendToBody标签导致了问题。
为了澄清，该行动contentsOfDialogTwo.xhtml - nestedDialogsBean.actionOnClickOfDialogTwoItem()- 不点火。将显示 javascript 警报，但支持 bean 上的操作上的断点显示未调用此警报。
模板视图：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<ui:composition>
<ui:insert name="content"/>
</ui:composition>
</html>
家长观点：
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<ui:composition template="../templates/layout.xhtml">
<ui:define name="content">
<h:form>
<p:panel>
<p:tabView id="exampleTabView" dynamic="false">
<p:tab id="nestedDialogsTab" title="Nested Dialogs Tab">
<ui:insert>
<ui:include src="childView.xhtml"></ui:include>
</ui:insert>
</p:tab>
</p:tabView>
</p:panel>
</h:form>
</ui:define>
</ui:composition>
</html>
儿童视图：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<ui:composition>
<p:commandButton
id="openDialog1"
value="Open Dialog 1"
action="#{nestedDialogsBean.actionOnOpenOfDialog1()}"
oncomplete="dialogOneVar.show()">
</p:commandButton>
<p:dialog id="dialogOne" header="Panel One" widgetVar="dialogOneVar"
resizable="false" modal="true" closable="true" dynamic="true"
hideEffect="fold" draggable="false" height="700" width="1000">
<ui:insert>
<ui:include src="contentsOfDialogOne.xhtml"></ui:include>
</ui:insert>
</p:dialog>
</ui:composition>
</html>
DialogOne.xhtml 的内容：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<p:commandButton
id="openDialog2"
value="Open Dialog 2"
action="#{nestedDialogsBean.actionOnOpenOfDialog2()}"
oncomplete="dialogTwoVar.show()">
</p:commandButton>
<p:dialog id="dialogTwo"
header="Dialog Two"
widgetVar="dialogTwoVar"
closable="true"
dynamic="true"
resizable="false" draggable="false" height="700"
width="1000" hideEffect="fold" appendToBody="true" >
<ui:insert>
<ui:include src="contentsOfDialogTwo.xhtml"></ui:include>
</ui:insert>
</p:dialog>
</ui:composition>
</html>
contentOfDialogTwo.xhtml
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<ui:composition>
<h:form id="innerWrapperFormForDialogTwoDueToAppendToBody">
<p:commandButton id="actionInsideDialogTwouButton"
action="#{nestedDialogsBean.actionOnClickOfDialogTwoItem()}"
onclick="alert('Button clicked')"
value="Invoke Backing Bean Action">
</p:commandButton>
</h:form>
</ui:composition>
</html>
