我有一个<ui:repeat>
,它会在List<String>
上进行迭代,并使用<p:commandButton>
中的当前字符串的值创建一个<p:lightBox>
。但是,当我将widgetVar
添加到<p:lightBox>
的属性中时,<p:commandButton>
的值始终是上次迭代的字符串。
有人可以解释会发生什么,并且(我需要widgetVar
)可能会指出解决方案?
这是我的html:
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<h:head />
<h:body>
<ui:repeat var="thing" value="#{bugBean.things}">
<p:lightBox widgetVar="whatever">
<h:outputLink>
<h:outputText value="#{thing}" />
</h:outputLink>
<f:facet name="inline">
<h:form>
<p:commandButton action="#{bugBean.writeThing(thing)}"
value="#{thing}" />
</h:form>
</f:facet>
</p:lightBox>
</ui:repeat>
</h:body>
</html>
这是支持bean:
package huhu.main.managebean;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import javax.enterprise.context.SessionScoped;
import javax.inject.Named;
@Named
@SessionScoped
public class BugBean implements Serializable {
private static final long serialVersionUID = 1L;
List<String> things = new ArrayList<String>();
public BugBean(){
things.add("First");
things.add("Second");
things.add("Third");
}
public void writeThing(String thing){
System.out.println(thing);
}
public List<String> getThings() {
return things;
}
public void setThings(List<String> things) {
this.things = things;
}
}
widgetVar
基本上会生成一个窗口范围的JavaScript变量。您现在在JavaScript上下文中实际上正在做的是:
window['whatever'] = new Widget(lightboxElement1);
window['whatever'] = new Widget(lightboxElement2);
window['whatever'] = new Widget(lightboxElement3);
// ...
最近我升级到primefaces 4.0-> 5.1时遇到了类似的问题