JSF教程 - JSF Hello World示例
2018-01-09 19:01 更新
JSF教程 - JSF Hello World示例
以下代码显示如何设置JSF开发环境。
下载源代码
单击以下链接下载JSF Hello World应用程序的源代码。
这是一个基于maven的项目。
Download HelloWorld.zip
Maven POM文件
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.w3cschool.jsf</groupId> <version>1.0-SNAPSHOT</version> <artifactId>simple-webapp</artifactId> <packaging>war</packaging> <name>Simple Web Application</name> <dependencies> <dependency> <groupId>org.apache.geronimo.specs</groupId> <artifactId>geronimo-servlet_2.4_spec</artifactId> <version>1.1.1</version> </dependency> <dependency> <groupId>com.sun.faces</groupId> <artifactId>jsf-api</artifactId> <version>2.1.7</version> </dependency> <dependency> <groupId>com.sun.faces</groupId> <artifactId>jsf-impl</artifactId> <version>2.1.7</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.1</version> </dependency> <dependency> <groupId>com.sun.el</groupId> <artifactId>el-ri</artifactId> <version>1.0</version> </dependency> </dependencies> <build> <finalName>simple-webapp</finalName> </build> </project>
例子
以下代码来自HelloBean.java。
它是一个具有会话作用域的受管bean。
package cn.w3cschool.common; import javax.faces.bean.ManagedBean; import javax.faces.bean.SessionScoped; import java.io.Serializable; @ManagedBean @SessionScoped public class HelloBean implements Serializable { private static final long serialVersionUID = 1L; private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } }
以下代码来自welcome.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:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html"> <h:head> <title>JSF 2.0 Hello World</title> </h:head> <h:body bgcolor="white"> <h3>JSF 2.0 Hello World Example - welcome.xhtml</h3> <h4>Welcome #{helloBean.name}</h4> </h:body> </html>
以下代码来自hello.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:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html"> <h:head> <title>JSF 2.0 Hello World</title> </h:head> <h:body> <h3>JSF 2.0 Hello World Example - hello.xhtml</h3> <h:form> <h:inputText value="#{helloBean.name}"></h:inputText> <h:commandButton value="Welcome Me" action="welcome"></h:commandButton> </h:form> </h:body> </html>
例子...
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/hello.xhtml
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