Struts2之HelloWorld

来源:互联网 发布:八位单片机有哪些 编辑:程序博客网 时间:2024/06/01 07:39

1.导包:解压struts-2.3.24-all.zip的压缩文件,解压后如图:


lib下为所有Struts2的相关jar包,但是不一定是必需的,所以我们解压apps包下的struts2-blank.war,解压后查看struts-2.3.24\apps\struts2-blank\WEB-INF\lib路径下的包,为Struts2的核心jar包,如图:




2.编写Action类

public class HelloAction {public String hello(){System.out.println("hello world!!!");return "success";}}

3.编写配置文件struts.xml

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN""http://struts.apache.org/dtds/struts-2.3.dtd"><struts>    <package name="hello" namespace="/hello" extends="struts-default">        <action name="HelloAction" class="com.milan.struts2.action.HelloAction" method="hello">            <result name="success">/hello.jsp</result>        </action>    </package></struts>


4.跳转的hello.jsp如下:

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"    pageEncoding="ISO-8859-1"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Insert title here</title></head><body>success!!!</body></html>


5.在web.xml中配置过滤器

  <filter>    <filter-name>struts2</filter-name>    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>  </filter>  <filter-mapping>    <filter-name>struts2</filter-name>    <url-pattern>/*</url-pattern>  </filter-mapping>

6.运行项目,在地址栏输入网址如下http://localhost:8080/Strust2/hello/HelloAction,结果如下

控制台会输出打印 hello world!!!

页面显示success!!!


原创粉丝点击