netbeans开发学习（1）

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RichFaces 4.x Demo

a4j:commandButton

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

<ui:compositionxmlns="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:outputStylesheet>

        .outhello {

        font-weight: bold;

}

    </h:outputStylesheet>

    <h:form>

        <h:panelGridcolumns="3">

            <h:outputTextvalue="Name:"/>

            <h:inputTextvalue="#{userBean.name}"/>

            <a4j:commandButtonvalue="Say Hello" render="out"execute="@form"/>

        </h:panelGrid>

    </h:form>

    <br/>

    <a4j:outputPanelid="out">

        <h:outputTextvalue="Hello #{userBean.name} !" rendered="#{not empty userBean.name}" styleClass="outhello"/>

    </a4j:outputPanel>

</ui:composition>

后台Bean

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.web.ManagerBean;

import javax.inject.Named;
import javax.enterprise.context.RequestScoped;

/**
*
* @author dell
*/
@Named(value = "userBean")
@RequestScoped
public class UserBean {

private String name;
public UserBean() {
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

}