Jsf 嵌套用户界面：包含和保留用户界面：参数问题

我无法在ui:param传递的嵌套ui:include中保留值

那么说,， page1.xhtml包含

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition template="../template.xhtml" xmlns="http://www.w3.org/1999/xhtml"
  xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core"
  xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <ui:param name="paramGlobal" value="123" />
  <ui:define name="content">
    <h:form id="frm1">
      <f:view>
        <ui:include src="page2.xhtml">
          <ui:param name="paramInclude" value="abc"></ui:param>
        </ui:include>
      </f:view>
    </h:form>
  </ui:define>
</ui:composition>

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets"
  xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <p:panelGrid columns="2">
    <p:outputLabel value="Page 2"></p:outputLabel>
    <p:outputLabel value="Value"></p:outputLabel>
    <p:outputLabel value="Global"></p:outputLabel>
    <p:inputText value="#{paramGlobal}"></p:inputText>
    <p:outputLabel value="Param Include"></p:outputLabel>
    <p:inputText value="#{paramInclude}"></p:inputText>
    <ui:include src="page3.xhtml">
      <ui:param name="paramNestedInclude" value="def"></ui:param>
    </ui:include>
  </p:panelGrid>
</ui:composition>

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets"
  xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <p:outputLabel value="Page 3"></p:outputLabel>
  <p:outputLabel value="Value"></p:outputLabel>
  <p:outputLabel value="Global"></p:outputLabel>
  <p:inputText value="#{paramGlobal}"></p:inputText>
  <p:outputLabel value="Param Include"></p:outputLabel>
  <p:inputText value="#{paramInclude}"></p:inputText>
  <p:outputLabel value="Param Nested Include"></p:outputLabel>
  <p:inputText value="#{paramNestedInclude}"></p:inputText>
</ui:composition>

而page2.xhtml包含

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition template="../template.xhtml" xmlns="http://www.w3.org/1999/xhtml"
  xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core"
  xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <ui:param name="paramGlobal" value="123" />
  <ui:define name="content">
    <h:form id="frm1">
      <f:view>
        <ui:include src="page2.xhtml">
          <ui:param name="paramInclude" value="abc"></ui:param>
        </ui:include>
      </f:view>
    </h:form>
  </ui:define>
</ui:composition>

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets"
  xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <p:panelGrid columns="2">
    <p:outputLabel value="Page 2"></p:outputLabel>
    <p:outputLabel value="Value"></p:outputLabel>
    <p:outputLabel value="Global"></p:outputLabel>
    <p:inputText value="#{paramGlobal}"></p:inputText>
    <p:outputLabel value="Param Include"></p:outputLabel>
    <p:inputText value="#{paramInclude}"></p:inputText>
    <ui:include src="page3.xhtml">
      <ui:param name="paramNestedInclude" value="def"></ui:param>
    </ui:include>
  </p:panelGrid>
</ui:composition>

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets"
  xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <p:outputLabel value="Page 3"></p:outputLabel>
  <p:outputLabel value="Value"></p:outputLabel>
  <p:outputLabel value="Global"></p:outputLabel>
  <p:inputText value="#{paramGlobal}"></p:inputText>
  <p:outputLabel value="Param Include"></p:outputLabel>
  <p:inputText value="#{paramInclude}"></p:inputText>
  <p:outputLabel value="Param Nested Include"></p:outputLabel>
  <p:inputText value="#{paramNestedInclude}"></p:inputText>
</ui:composition>

最后，page3.xhtml包含

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition template="../template.xhtml" xmlns="http://www.w3.org/1999/xhtml"
  xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core"
  xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <ui:param name="paramGlobal" value="123" />
  <ui:define name="content">
    <h:form id="frm1">
      <f:view>
        <ui:include src="page2.xhtml">
          <ui:param name="paramInclude" value="abc"></ui:param>
        </ui:include>
      </f:view>
    </h:form>
  </ui:define>
</ui:composition>

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets"
  xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <p:panelGrid columns="2">
    <p:outputLabel value="Page 2"></p:outputLabel>
    <p:outputLabel value="Value"></p:outputLabel>
    <p:outputLabel value="Global"></p:outputLabel>
    <p:inputText value="#{paramGlobal}"></p:inputText>
    <p:outputLabel value="Param Include"></p:outputLabel>
    <p:inputText value="#{paramInclude}"></p:inputText>
    <ui:include src="page3.xhtml">
      <ui:param name="paramNestedInclude" value="def"></ui:param>
    </ui:include>
  </p:panelGrid>
</ui:composition>

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets"
  xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui">
  <p:outputLabel value="Page 3"></p:outputLabel>
  <p:outputLabel value="Value"></p:outputLabel>
  <p:outputLabel value="Global"></p:outputLabel>
  <p:inputText value="#{paramGlobal}"></p:inputText>
  <p:outputLabel value="Param Include"></p:outputLabel>
  <p:inputText value="#{paramInclude}"></p:inputText>
  <p:outputLabel value="Param Nested Include"></p:outputLabel>
  <p:inputText value="#{paramNestedInclude}"></p:inputText>
</ui:composition>

我得到的输出如下：

第2页价值

全局：[空白]

参数包括：abc

第3页：价值

全局：[空白]

参数包括：[空白]

参数嵌套包括：def

我不知道为什么ui:param没有在包含的页面中传递。

发现了这个问题

MyFacesJSF2.2采用了

ui:param

、

ui:include

和

ui:composition

的工作方式

在

web.xml

  <context-param>
    <param-name>org.apache.myfaces.STRICT_JSF_2_FACELETS_COMPATIBILITY</param-name>
    <param-value>true</param-value>
  </context-param>

org.apache.myfaces.STRICT_JSF_2_FACELETS_兼容性
真的

这将使这些组件的行为与前面相同