一个简单的struts2配置

深碍√TFBOYSˉ_ 2022-02-19 23:45 168阅读 0赞

**目录**

1 需求

2 需要导入的jar包

3 项目的目录结构

3.1  demo1.jsp

3.2 success.jsp

3.3 HelloAction.java

3.4 struts.xml

3.5 web.xml

4 运行结果

--------------------

# 1 需求 #

首先进入一个jsp页面，点击链接提交到Action中，在Action中打印提示信息，之后跳转到另一个jsp页面。

# 2 需要导入的jar包 #

本次采用的是struts2-2.3.37，jar包来之struts2-blank.war包中，tomcat自行解压使用

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyOTY1MTg3_size_16_color_FFFFFF_t_70][]

# 3 项目的目录结构 #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyOTY1MTg3_size_16_color_FFFFFF_t_70 1][]

## 3.1  demo1.jsp ##

起始界面

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html>
    <html>
    <head>
    <meta charset="UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
    	<a href="${pageContext.request.contextPath }/hello.action">struts2入门</a>
    </body>
    </html>

## 3.2 success.jsp ##

跳转页面

## 3.3 HelloAction.java ##

Action

package com.zhujunwei.struts.demo1;
    
    /**
     * sturts2入门的Action
     * @author zhujunwei
     * 2019年4月10日 上午9:35:07
     */
    public class HelloAction {
    	
    	public String execute() {
    		System.out.println("hello.action执行了。。。");
    		return "success";
    	}
    }

## 3.4 struts.xml ##

配置文件

<?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>
    
    	
    	
    	<constant name="struts.action.extension" value="action"/>
    	
    	
    	
        <package name="demo1" namespace="/" extends="struts-default">
    
        	
        	<action name="hello" class="com.zhujunwei.struts.demo1.HelloAction">
        		<result name="success">/demo1/success.jsp</result>
        	</action>
        	
        </package>
    
    </struts>

## 3.5 web.xml ##

需要配置过滤器

<?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    	xmlns="http://xmlns.jcp.org/xml/ns/javaee" 
    	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" 
    	id="WebApp_ID" version="4.0">
    	
      <display-name>struts2Demo1</display-name>
      <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
      </welcome-file-list>
      
      <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>
      
      
    </web-app>

# 4 运行结果 #

![20190412084109367.gif][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyOTY1MTg3_size_16_color_FFFFFF_t_70]: /images/20220220/7db6522b8a534a8caa2d5277deaf9086.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyOTY1MTg3_size_16_color_FFFFFF_t_70 1]: /images/20220220/a27cb33289184b9689c2c476b8c9d657.png
[20190412084109367.gif]: /images/20220220/56ac66e3dfe144a38732a158c3f4291c.png