我正在尝试编写一些“表达语言”代码。目前,在 (1) 下面调用 greetController.greet 方法,如果用户名和密码匹配,则返回一个字符串。如果返回的字符串是某个值,我想要做的是加载另一个网页。请有人建议如何做到这一点
提前致谢
<!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:ui="http://java.sun.com/jsf/facelets"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<ui:composition template="template.xhtml">
<ui:define name="content">
<h:messages />
<h:form id="greetForm">
<h:panelGrid columns="3">
<h:outputLabel for="username">Enter username:</h:outputLabel>
<h:inputText id="username"
value="#{greetController.username}" />
<br />
<h:outputLabel for="password">Enter password:</h:outputLabel>
<h:inputText id="password"
value="#{greetController.password}" />
<h:message for="username" />
</h:panelGrid>
<h:commandButton id="greet" value="Login"
**action="#{greetController.greet}" />** //(1)
</h:form>
**<h:outputText value="#{greetController.greeting}"** //(2)
rendered="#{not empty greetController.greeting}" />
<br />
<h:link outcome="/create.xhtml" value="Add a new user" />
</ui:define>
</ui:composition>
</html>