注：jsf演示例子都在同一个workspace中完成的，所以你会看到一些与本演示例子无关的代码！
UserBean.java
package org.baicai.jsf_document.simple_navigation;
public class UserBean
{
private String name;
private String password;
private String errMessge;
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public String getPassword()
{
return password;
}
public void setPassword(String password)
{
this.password = password;
}
public String getErrMessge()
{
return errMessge;
}
public void setErrMessge(String errMessge)
{
this.errMessge = errMessge;
}
/**
* 验证登录用户
* @return
*/
public String verify()
{
System.out.println("----调用UserBean的verify()-----");
if(!name.equals("admin")||!password.equals("admin"))
{
errMessge="名称或密码错误";
return "failure";
}else
{
return "success";
}
}
}
WebRoot/index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!--第一步： 添加jsf的基本（html）标签标签库,和jsf的核心（cord）标签标签库 -->
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<!-- f:view 相当于超文本标记语言的html,是必须要添加的。否则会出错 -->
<!-- Component javax.faces.component.UIViewRoot@92b535 not expected type.
Expected: javax.faces.component.UIForm. Perhaps you're missing a tag? -->
<f:view>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Jsf Menu</title>
</head>
<body>
<!-- jsf的表单标签，当页面有h:commandLink,h:commandButton标签时该标签是必须要添加的标签 否则这些标签没有用 -->
<!--This link is disabled as it is not nested within a JSF form. -->
<h:form>
<!-- h:commandLink 链接标签，相当于html中的a元素 . action属性的值有两种形式 ，本形式会直接根据导航进到下一个页面，value属性的值为页面的显示值 -->
<h:commandLink action="simpleDemo" value="第一个jsf演示"></h:commandLink><br>
<h:commandLink action="simplenavigation" value="jsf导航演示"></h:commandLink><br>
</h:form>
</body>
</f:view>
</html>
WebRoot/simplenavigation/index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<f:view>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>smplenavigation</title>
</head>
<body >
<h:form>
<h:outputText value="请输入用户名"></h:outputText>
<h:inputText value="#{navigationUser.name}"></h:inputText>
<h:outputText value="请输入用户名"></h:outputText>
<h:inputSecret value="#{navigationUser.password}"></h:inputSecret>
<!--commandButton提交标签 。action属性的值的另外一种形式 -->
<h:commandButton action="#{navigationUser.verify}" value="登录" ></h:commandButton>
<h:outputText value="#{navigationUser.errMessge}" style="color: red"></h:outputText>
</h:form>
</body>
</f:view>
</html>
WebRoot/simplenavigation/welcome.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<f:view>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>smplenavigation</title>
</head>
<body>
<h:form>
<h3>
<h:outputText value="欢迎#{navigationUser.name}登录！"/>
</h3>
</h:form>
</body>
</f:view>
</html>
WebRoot/WEB-INF/web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:javaee="http://java.sun.com/xml/ns/javaee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4">
<!-- 指定加载多个faces-config.xml文件，文件之间用逗号分开。 默认会加载faces-config.xml文件， -->
<context-param>
<param-name>javax.faces.CONFIG_FILES</param-name>
<param-value>
/WEB-INF/faces-config/faces-config.xml,
/WEB-INF/faces-config/simpledemo-faces-config.xml,
/WEB-INF/faces-config/simplenavigation-faces-config.xml
</param-value>
</context-param>
<!-- faces 的核心配置 -->
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.faces</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
</web-app>
WebRoot/WEB-INF/faces-config/faces-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE faces-config PUBLIC
"-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.0//EN"
"http://java.sun.com/dtd/web-facesconfig_1_0.dtd">
<faces-config>
<!-- 页面导航 -->
<navigation-rule>
<!-- 事件触发页面 -->
<from-view-id>/index.jsp</from-view-id>
<navigation-case>
<!-- 返回结果的标记 -->
<from-outcome>simpleDemo</from-outcome>
<!--触发事件后陈显结果的页面 -->
<to-view-id>/simpleDemo/index.jsp</to-view-id>
</navigation-case>
<navigation-case>
<from-action>simplenavigation</from-action>
<to-view-id>/simplenavigation/index.jsp</to-view-id>
</navigation-case>
</navigation-rule>
</faces-config>
WebRoot/WEB-INF/faces-config/simplenavigation-faces-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE faces-config PUBLIC
"-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.0//EN"
"http://java.sun.com/dtd/web-facesconfig_1_0.dtd">
<faces-config>
<navigation-rule>
<from-view-id>/simplenavigation/index.jsp</from-view-id>
<!-- 根据页面上调用的managerBean中的方法得到返回字符串来判断结果页面 -->
<navigation-case>
<!-- 登录成功后 根据返回字符串success进入sg/welecom.jsp页面 -->
<from-outcome>success</from-outcome>
<to-view-id>/simplenavigation/welcome.jsp</to-view-id>
<!-- 重定向 浏览器主动要求新网页 地址栏 发生明显的变化-->
<redirect/>
</navigation-case>
<navigation-case>
<!--登录失败后的处理：根据返回字符串failure进入到sg/index.jsp页面 -->
<from-outcome>failure</from-outcome>
<to-view-id>/simplenavigation/index.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<managed-bean>
<managed-bean-name>navigationUser</managed-bean-name>
<managed-bean-class>org.baicai.jsf_document.simple_navigation.UserBean</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
</faces-config>
