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JSF教程 – 模板示例中的JSF参数
以下代码显示了如何在模板中使用参数。
例子
以下代码来自commonFooter.xhtml。
<?xml version="1.0" encoding="UTF-8"?>
<!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"
>
<body>
<ui:composition>
<h1>This is default footer</h1>
</ui:composition>
</body>
</html>
下面的代码来自UserBean.java。
package cn.w3cschool.common;
import java.io.Serializable;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
@ManagedBean(name="user")
@SessionScoped
public class UserBean implements Serializable{
private static final long serialVersionUID = 1L;
}
以下代码来自demo.xhtml。
<?xml version="1.0" encoding="UTF-8"?>
<!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:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
>
<h:body>
<ui:composition template="template/common/commonLayout.xhtml">
<ui:param name="curFileName" value="default.xhtml"></ui:param>
</ui:composition>
</h:body>
</html>
以下代码来自commonHeader.xhtml。
<?xml version="1.0" encoding="UTF-8"?>
<!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"
>
<body>
<ui:composition>
<h1>This is default header</h1>
<h2>Tag Line : #{tagLine}</h2>
</ui:composition>
</body>
</html>
以下代码来自common-style.css。
#page{
width: 800px;
margin: 0 auto;
}
#header{
width: 100%;
height:150px;
border: 1px solid #000;
margin-bottom:16px;
}
#content{
width: 100%;
height:200px;
margin-right:16px;
margin-bottom:16px;
border: 1px solid #000;
}
#footer{
width: 100%;
height:100px;
border: 1px solid #000;
}
以下代码来自commonContent.xhtml。
<?xml version="1.0" encoding="UTF-8"?>
<!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"
>
<body>
<ui:composition>
<h1>This is default content</h1>
</ui:composition>
</body>
</html>
以下代码来自commonLayout.xhtml。
<?xml version="1.0" encoding="UTF-8"?>
<!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:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
>
<h:head>
<h:outputStylesheet name="common-style.css" library="css" />
</h:head>
<h:body>
<div id="page">
<div id="header">
<ui:insert name="header" >
<ui:include src="/template/common/commonHeader.xhtml">
<ui:param name="tagLine" value="value from param"></ui:param>
</ui:include>
</ui:insert>
</div>
<div id="content">
Current File : #{curFileName}
<ui:insert name="content" >
<ui:include src="/template/common/commonContent.xhtml" />
</ui:insert>
</div>
<div id="footer">
<ui:insert name="footer" >
<ui:include src="/template/common/commonFooter.xhtml" />
</ui:insert>
</div>
</div>
</h:body>
</html>
以下代码来自page1.xhtml。
<?xml version="1.0" encoding="UTF-8"?>
<!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:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
>
<h:body>
<ui:composition template="/template/common/commonLayout.xhtml">
<ui:define name="header">
<h2>This is page1 content</h2>
</ui:define>
</ui:composition>
</h:body>
</html>
下载 Parameter-In-Template.zip
运行
将生成的WAR文件从目标文件夹复制到Tomcat部署文件夹，并运行Tomcat-Install-folder/bin/startup.bat。
Tomcat完成启动后，在浏览器地址栏中键入以下URL。
http://localhost:8080/simple-webapp/demo.xhtml
