动态加载的命令链接无法正常工作

时间:2014-03-18 15:48:06

标签: java jsf

我正在尝试使用<f:ajax render=":component"/>动态加载视图。 那部分没有问题。但是,在该视图中使用commandLinks不会。

动态加载目标视图的容器:

<h:form>
    <h:commandLink>
        <f:param name="tmp2" value="tmp/newxhtml.xhtml"/>
        <f:ajax render=":newXhtml"/>
    </h:commandLink>
</h:form>

<h:panelGroup layout="block" id="newXhtml">
    <ui:include src="#{param['tmp2']}"/>
</h:panelGroup>

单击commandLink时,将设置tmp2值,并通过ajax重新呈现'newXhtml'。

此链接位于随附的.xhtml中,但无效:

<h:form>
    <h:commandLink>
        <f:ajax listener="#{backingBean.sampleMethod}"/>
    </h:commandLink>
</h:form>

BackingBean.java:

public class BackingBean{

    public void sampleMethod() {
         //breakpoint here is never hit
    }

}

1 个答案:

答案 0 :(得分:2)

当我没有使用<f:ajax>来包含页面而是使用带有action属性的普通<h:commandLink>并将include页面保存到@SessionScope bean时,我开始工作了

包括xhtml:

 <h:form>
    <f:ajax render=":newXhtml">
        <h:commandLink action="#{includeBean.setIncludePage('tmp/newXhtml.xhtml')}">
        </h:commandLink>
    </f:ajax>
 </h:form>


 <h:panelGroup layout="block" id="newXhtml">
    <ui:include src="#{includeBean.includePage}"/>
 </h:panelGroup>

包含的.xhtml可以保持不变。

包含页面的支持bean:

@Named
@SessionScope
public class IncludeBean implements Serializable {

  private static final long serialVersionUID = 1L;

  private String includePage;

  @PostConstruct
  public void init() {
    includePage = "tmp/newxhtml.xhtml";
  }

  public String getIncludePage() {
    return includePage;
  }

  public void setIncludePage(String includePage) {
    this.includePage = includePage;
  }

}