Struts2 ---- 案例 Demo

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一、基本步骤：

1. 引用的Jar包文件：

<dependency>    <groupId>junit</groupId>    <artifactId>junit</artifactId>    <version>3.8.1</version>    <scope>test</scope></dependency><!--获取ServletAPI--><dependency>    <groupId>javaee</groupId>    <artifactId>javaee-api</artifactId>    <version>5</version></dependency><dependency>    <groupId>org.apache.struts</groupId>    <artifactId>struts2-core</artifactId>    <version>2.3.4.1</version></dependency><dependency>    <groupId>org.apache.struts.xwork</groupId>    <artifactId>xwork-core</artifactId>    <version>2.3.4.1</version></dependency>

2. 配置web.xml 文件

<!--Struts2 核心过滤器--><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>

3. 视图层这里只做截图展示：

action层按照常规创建即可，需要实现接口action ：

package cn.happy.action;import com.opensymphony.xwork2.Action;/** * Created by lenovo on 2017/10/22. */public class UserAction implements Action {    public String execute() throws Exception {        return SUCCESS;    }}

5. 在resource 中增加配置文件 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="default" namespace="/" extends="struts-default">        <action name="userAction" class="cn.happy.action.UserAction">            <result name="success">/success.jsp</result>        </action>    </package></struts>

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