原始JSP （WorkItem.jsp）

<c:forEach var="actionItem" items="${workItem.work_action_list}">
    <c:if test="${actionItem.workActionClass.work_action_type_id == '1'}" >
       <%@ include file="inc_done_button.jsp" %>
    </c:if>
    <c:if test="${actionItem.workActionClass.work_action_type_id == '2'}" >
         <c:set var="actionItem" value="${actionItem}" scope="request" />
         <c:set var="checklist" value="${actionItem.meat}" scope="request" />
        <jsp:include page="inc_dynamic_checklist_v.jsp" flush="true" />
    </c:if>
    etc...
</c:forEach>

原始Java

for (ListIterator<WorkflowInstanceWorkItemAction> actionIter = wfiwi.getWork_action_list().listIterator(); actionIter.hasNext();) {
    if ("2".equals(work_action_type_id)) {
        ChecklistInstanceForm ciForm = new ChecklistInstanceForm(this, authenticatedUser);
         ChecklistInstance ci = null; 
        ci = (ChecklistInstance) ciForm.getChkLstInstanceByWfiWiaOwner(wfiWorkItemAction, authenticatedUser);
    // Get the meat details for this action and inject it into the object
        wfiWorkItemAction.setMeat(ci);
    }
}

request.setAttribute("workItem", wfiwi);
request.setAttribute("workFlowInstance", wfi);

新的JSF （WorkItem.xhtml）

 <f:metadata>
    <o:viewParam name="wfi_wid" value="#{workItemController.wfiwi}" converter="#{workItemConverter}"
    <f:event type="preRenderView" listener="#{workItemController.preRender}" />
 </f:metadata>
<ui:repeat var="actionItem" value="#{workItemController.wfiwi.work_action_list}">
    <ui:fragment rendered="#{actionItem.workActionClass.workActionType.action_type_id == '1'}">
        <stk:done_button actionItem="#{actionItem}" /> <!-- Here I chose custom c -->
    </ui:fragment>
    <ui:fragment rendered="#{actionItem.workActionClass.workActionType.action_type_id == '2'}">
                <ui:include src="inc_dynamic_checklist.xhtml">
                    <ui:param name="checklist" value="#{actionItem.meat}" />
                </ui:include>
    </ui:fragment>

我新的后菜豆的制作方法

public class WorkItemController implements Serializable {
    private static final long serialVersionUID = 1L;
    private WorkflowInstanceWorkItem wfiwi;

    public void preRender() {
    if (wfiwi.getWork_action_list() != null) {
            //loop through and add real model to meat attribute

我追求的是一种更优雅的方式，可以将模型（我称之为肉）注入到每次操作的视图中。在工作项（单页视图）下，有多个操作。作为检查清单的操作可以有多种类型（是/否/不适用，主要/次要数量，是/否/不存在/已解决等）。

复合组件done_button很简单，因为我只访问基本action模型，没有meat。例如，done_button.xhtml复合组件的片段

<ui:fragment rendered="#{cc.attrs.actionItem.is_active != '1'}">
     Action is not active for you until the following has been completed:
     <h:outputText value="#{cc.attrs.actionItem.prerequisite_work_action_list}" escapeXml="false" />
</ui:fragment>

但是对dynamic_checklist
facelet代码的包含使我感到困惑，因为我将各种Objects注入此通用属性的方法meat似乎是错误的。我在原来的JSP我使用<c:set var="checklist" value="${actionItem.meat}" scope="request" />，然后原来的JSP用于inc_dynamic_checklist_v.jsp看起来是这样

inc_dynamic_checklist_v.jsp

<form method="post" >

<c:out value="${actionItem.workActionClass.name}" />

<c:if test="${checklist.checkListClass.type == '1'}" >
  <%@ include file="inc_yes_no_na_resolved_checklist.jsp" %>
</c:if>

<c:if test="${checklist.checkListClass.type == '2'}" >
  <%@ include file="inc_major_minor_checklist.jsp" %>
</c:if>

<c:if test="${checklist.checkListClass.type == '3'}" >
  <%@ include file="inc_quantity_checklist.jsp" %>
</c:if>

<c:if test="${checklist.checkListClass.type == '4'}" >
  <%@ include file="inc_yes_no_na_checklist.jsp" %>
</c:if>

这些还包括需要访问在WorkItem.jsp中使用c：set设置的actionItem.meat

我正在寻找有关是的指导，即使我已嵌套包含，我也应将所有这些包含转换为复合组件。还是我应该使用基本的ui：includes？我知道我可以param使用include或cc
发送，但我仍在private Object meat模型中使用通用字段，还是有更好的方法来检索这些单独的动作模型。

也许这个，但是没有用

<ui:include src="inc_dynamic_checklist.xhtml" >
    <ui:param name="wfi_id" value="#{actionItem.workflowInstance.workflow_instance_id}" />
    <ui:param name="wfi_aid" value="#{actionItem.wfi_work_item_action_id}" />
</ui:include>

然后在inc_dynamic_checklist.xhtml中

<f:metadata>
    <o:viewParam name="wfi_id" value="#{checklistInstanceView.ci}" converter="#{checklistInstanceConverter}">
        <f:attribute name="wfi_id" value="#{param.wfi_id}" />
        <f:attribute name="wfi_aid" value="#{param.wfi_aid}" />
    </o:viewParam>
</f:metadata>

更新

工作项支持bean。工作项包含一系列动作。可以完成按钮（操作类型ID = 1），操作清单（操作类型ID =
2）和其他未实现/未显示的操作。我现在所拥有的有效，但这是正确的方法吗？

public void preRender() {
if (wfiwi.getWork_action_list() != null) {

    for (ListIterator<WorkflowInstanceWorkItemAction> actionIter = wfiwi.getWork_action_list().listIterator(); actionIter.hasNext();) {

        WorkflowInstanceWorkItemAction wfiWorkItemAction = new WorkflowInstanceWorkItemAction();
        wfiWorkItemAction = actionIter.next();

        Long work_action_type_id = wfiWorkItemAction.getWorkActionClass().getWorkActionType().getAction_type_id();

        updatePrerequisites(wfiWorkItemAction, wfiwi.getWorkflowInstance(), wfiwi);

        if (work_action_type_id == 2) {
            System.out.println("Action Type 2 is Dynamic Checklist Type");
            ci = ciRepository.retrieveLatestByWfiWiai(wfiwi.getWorkflowInstance().getWorkflow_instance_id(), wfiWorkItemAction.getWfi_work_item_action_id());

            if (ci != null) {
                if ("1".equals(ci.getCheckListClass().getType())) {
                    List<YesNoNaResolvedAnswer> answer_attribute_list = yesNoNaResolvedDao.retrieveByCiWfi(ci.getChecklist_instance_id(), ci.getWorkflowInstance().getWorkflow_instance_id());
                    ci.setAnswer_attribute_list(answer_attribute_list);
                }

                if ("2".equals(ci.getCheckListClass().getType())) {
                    List<MajorMinorAnswer> answer_attribute_list = majorMinorAnsDao.retrieveByCiWfi(ci.getChecklist_instance_id(), ci.getWorkflowInstance().getWorkflow_instance_id());
                    ci.setAnswer_attribute_list(answer_attribute_list);
                }

                if ("3".equals(ci.getCheckListClass().getType())) {
                    List<QuantityAnswer> answer_attribute_list = quantityAnsDao.retrieveByCiWfi(ci.getChecklist_instance_id(), ci.getWorkflowInstance().getWorkflow_instance_id());
                    ci.setAnswer_attribute_list(answer_attribute_list);
                }
                if ("4".equals(ci.getCheckListClass().getType())) {
                    List<YesNoNaAnswer> answer_attribute_list = yesNoNaAnsDao.retrieveByCiWfi(ci.getChecklist_instance_id(), ci.getWorkflowInstance().getWorkflow_instance_id());
                    ci.setAnswer_attribute_list(answer_attribute_list);
                }

                wfiWorkItemAction.setMeat(ci);
            } else {
                Messages.addFlashErrorMessage("Could not find checklist Instance");
            }

            // wfi_action_list.add(ci);
        } else {
            wfiWorkItemAction.setMeat("meat pie");
        }
    }
}

}

inc_dynamic_checklist.xhtml（有关如何包含此内容，请参见上面的WorkItem.xhtm）这显示了“肉”

    <ui:fragment rendered="#{checklist.checkListClass.type == '1'}">
        <ui:include src="inc_yes_no_na_resolved_checklist.xhtml" />
    </ui:fragment>

    <ui:fragment rendered="#{checklist.checkListClass.type == '2'}">
        <ui:include src="inc_major_minor_checklist.xhtml" />
    </ui:fragment>

    <ui:fragment rendered="${checklist.checkListClass.type == '3'}">
        <ui:include src="inc_quantity_checklist.xhtml" />
    </ui:fragment>

    <ui:fragment rendered="${checklist.checkListClass.type == '4'}">
        <ui:include src="inc_yes_no_na_checklist.xhtml" />
    </ui:fragment>

模型

@Entity
public class WorkflowInstanceWorkItemAction implements Serializable {
private static final long serialVersionUID = 1L;
private String status;
private String is_active;

@Transient
private Object meat; 
and various mappings