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2013-03-20 16:39 127 查看

jsf的监听器

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<ui:composition 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:a4j="http://richfaces.org/a4j"

xmlns:rich="http://richfaces.org/rich">

<h:form id="form">

<h:panelGrid columns="3">

<h:commandButton value="Invoke listener method">

<a4j:actionListener listener="#{actionListenerBean.handleActionMethod}"/>

<f:ajax render="messages"/>

</h:commandButton>

</h:panelGrid>

<fieldset>

<legend>Messages</legend>

<h:messages id="messages"/>

</fieldset>

</h:form>

</ui:composition>

后台bean

/*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

package org.richfaces.demo.actionListener;

import javax.inject.Named;

import javax.enterprise.context.RequestScoped;

import javax.faces.application.FacesMessage;

import javax.faces.context.FacesContext;

import javax.faces.event.ActionListener;

/**

*

* @author dell

*/

@Named(value = "actionListenerBean")

@RequestScoped

public class ActionListenerBean {

private ActionListener actionListener;

/**

* Creates a new instance of ActionListenerBean

*/

public ActionListenerBean() {

}

public void handleActionMethod(javax.faces.event.ActionEvent event)

{

FacesContext.getCurrentInstance().addMessage(null, new FacesMessage("Welcome, "));

}

public ActionListener getActionListener() {

return actionListener;

}

public void setActionListener(ActionListener actionListener) {

this.actionListener = actionListener;

}

}

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标签： jsf监听 Richfaces

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