用Maven创建Struts2项目

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采用struts版本：struts-2.3.8

一.创建一个web项目

参考前面文章，项目名：maven-struts-demo。

二.配置pom.xml文件添加struts2依赖

<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.lei.demo</groupId>  <artifactId>maven-struts-demo</artifactId>  <packaging>war</packaging>  <version>0.0.1-SNAPSHOT</version>  <name>maven-struts-demo Maven Webapp</name>  <url>http://maven.apache.org</url>  <dependencies>    <dependency>      <groupId>junit</groupId>      <artifactId>junit</artifactId>      <version>3.8.1</version>      <scope>test</scope>    </dependency>    <dependency>        <groupId>org.apache.struts</groupId>        <artifactId>struts2-core</artifactId>        <version>2.3.8</version></dependency>  </dependencies>  <build>    <finalName>maven-struts-demo</finalName>  </build></project>

保存后maven会自动下载相应的jar包。

下载完成后查看jar包，如图

三.新建JSP页面

1.index.jsp页面，点“去登录界面”后，去struts.xml中找对应的anction中name=user_login_go的路径

<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><body>    <h2>Struts2-Demo</h2>    <a href="user_login_go">去登录界面</a></body></html>

2.login.jsp页面，输入name和password后，去struts.xml中找对应的anction中name=login_go的路径

<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!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=UTF-8"><title>struts2-Demo-登录界面</title></head><body>    <p>struts2-Demo-登录界面</p>    <form action="login_go" method="post">        name:<input type="text" name="name" />        password<input type="password" name="password" />        <input type="submit" value="登录" />    </form></body></html>

3.welcome.jsp页面，输入name和password后，去struts.xml中找对应的anction中name=login_go的路径

<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ taglib prefix="s" uri="/struts-tags" %><!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=UTF-8"><title>Struts2-Demo-欢迎页面</title></head><body>    Welcome:    <br>    <h1>name=<s:property value="name" /></h1>    <h1>password=<s:property value="password" /></h1>        <h1>重新登录</h1>    <s:form action="login_go" namespace="/" method="post">        <s:textfield name="name" label="name"></s:textfield>          <s:password name="password" label="password"></s:password>                        <s:submit value="Login"></s:submit>    </s:form></body></html>

4.web.xml

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app>    <display-name>Struts2 Web Application</display-name>    <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>

5.struts.xml，放在src/main/java目录下

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE struts PUBLIC      "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"      "http://struts.apache.org/dtds/struts-2.0.dtd">  <struts>    <package name="user" namespace="/"  extends="struts-default">        <action name="user_login_go" class="com.sulei.action.UserLoginAction" method="user_login">            <result name="success">/login.jsp</result>        </action>        <action name="login_go" class="com.sulei.action.UserLoginAction" method="login">            <result name="success">/welcome.jsp</result>        </action>    </package></struts>

目录结构：

运行效果如下

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