CommandButton в PrimeFaces
Бин
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*/
package org.primefaces.examples.view;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
/**
*
* @author martyshov
*/
@ManagedBean
@RequestScoped
public class PersonBean {
/**
* Creates a new instance of PersonBean
*/
public PersonBean() {
}
private String firstname;
private String surname;
public String getFirstname() {
return firstname;
}
public void setFirstname(String firstname) {
this.firstname = firstname;
}
public String getSurname() {
return surname;
}
public void setSurname(String surname) {
this.surname = surname;
}
public void savePerson(ActionEvent actionEvent) {
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage("Добро пожаловать " + firstname + " " + surname + "!"));
}
}
Интерфейс
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:p="http://primefaces.org/ui"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:ui="http://java.sun.com/jsf/facelets">
<h:head>
<title>Facelet Title</title>
</h:head>
<h:body>
<h:form id="form">
<p:panel id="panel" header="New Person" style="margin-bottom:10px;">
<p:messages id="messages" />
<h:panelGrid columns="3">
<h:outputLabel for="firstname" value="Фамилия *" />
<p:inputText id="firstname"
value="#{personBean.firstname}" required="true" label="Firstname">
</p:inputText>
<p:message for="firstname" />
<h:outputLabel for="surname" value="Имя *" />
<p:inputText id="surname"
value="#{personBean.surname}" required="true" label="Surname"/>
<p:message for="surname" />
</h:panelGrid>
</p:panel>
<p:commandButton value="Ajax кнопка" update="panel,display" id="ajax"
actionListener="#{personBean.savePerson}" styleClass="ui-priority-primary"/>
<p:commandButton value="Non-Ajax кнопка" actionListener="#{personBean.savePerson}"
ajax="false" />
<p:commandButton value="With Icon" actionListener="#{personBean.savePerson}" id="withIcon"
update="panel,display" icon="ui-icon-disk" />
<p:commandButton actionListener="#{personBean.savePerson}" update="panel,display" id="iconOnly"
icon="ui-icon-disk" title="Icon Only"/>
<p:commandButton value="Отключена" disabled="true" id="disabled" />
<p:panel id="display" header="Информация" style="margin-top:10px;">
<h:panelGrid columns="2">
<h:outputText value="Firstname: " />
<h:outputText value="#{personBean.firstname}" />
<h:outputText value="Surname: " />
<h:outputText value="#{personBean.surname}" />
</h:panelGrid>
</p:panel>
</h:form>
</h:body>
</html>
update - указываем что обновляем через запятую
по умолчанию выполняется ajax запрос, если нужен простой, то прописываем ajax="false"
actionListener - указываем метод бина, который вызывается при нажатии
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