Spring整合Struts2简单示例(转)
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Spring整合Struts2简单示例
1.SpringIntegrateStruts2Demo项目结构:
2.LoginAction.java源代码:
- package com.xqh.action;
- import com.opensymphony.xwork2.ActionSupport;
- import com.xqh.service.MyService;
- public class LoginAction extends ActionSupport{
- //下面是用于封装用户请求参数的两个属性
- private String username;
- private String password;
- //用于封装处理结果的属性
- private String tip;
- //系统所用的业务逻辑组件
- private MyService ms;
- //设置注入业务逻辑组件所必需的setter方法
- public void setMs(MyService ms)
- {
- this.ms = ms;
- }
- //username属性的setter和getter方法
- public void setUsername(String username)
- {
- this.username = username;
- }
- public String getUsername()
- {
- return this.username;
- }
- //password属性所必需的setter和getter方法
- public void setPassword(String password)
- {
- this.password = password;
- }
- public String getPassword()
- {
- return this.password;
- }
- //tip属性的getter和setter方法
- public void setTip(String tip)
- {
- this.tip = tip;
- }
- public String getTip()
- {
- return this.tip;
- }
- //处理用户请求的execute方法
- public String execute() throws Exception
- {
- //调用业务逻辑组件的valid方法来
- //验证用户输入的用户名和密码是否正确
- if (ms.valid(getUsername(), getPassword()))
- {
- setTip("Spring与Struts2整合成功!");
- return SUCCESS;
- }
- else
- {
- return ERROR;
- }
- }
- }
3.MyService.java源代码:
- package com.xqh.service;
- public interface MyService {
- public boolean valid(String username, String pass);
- }
4.MyServiceImpl.java源代码:
- package com.xqh.service;
- public class MyServiceImpl implements MyService{
- @Override
- public boolean valid(String username, String pass) {
- if (username.equals("xqh") && pass.equals("123"))
- return true;
- return false;
- }
- }
5.struts.xml配置文件:
- <?xml version="1.0" encoding="GBK"?>
- <!-- 指定Struts2配置文件的DTD信息 -->
- <!DOCTYPE struts PUBLIC
- "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
- "http://struts.apache.org/dtds/struts-2.0.dtd">
- <!-- Struts2配置文件的根元素 -->
- <struts>
- <!-- 配置了系列常量 -->
- <constant name="struts.i18n.encoding" value="GBK"/>
- <package name="login" extends="struts-default">
- <!-- 定义处理用户请求的Action,该Action的class属性不是实际处理类
- , 而是Spring容器中的Bean实例-->
- <action name="login" class="loginAction">
- <!-- 为两个逻辑视图配置视图页面 -->
- <result name="error">/error.jsp</result>
- <result name="success">/welcome.jsp</result>
- </action>
- <!-- 让用户直接访问该应用时列出所有视图页面 -->
- <action name="">
- <result>.</result>
- </action>
- </package>
- </struts>
6.applicationContext.xml配置文件:
- <?xml version="1.0" encoding="GBK"?>
- <!-- 指定Spring配置文件的DTD信息 -->
- <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN"
- "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
- <!-- Spring配置文件的根元素 -->
- <beans>
- <!-- 定义一个业务逻辑组件,实现类为com.xqh.service.MyServiceImpl -->
- <bean id="myService" class="com.xqh.service.MyServiceImpl"/>
- <!-- 让Spring管理的Action实例 -->
- <bean id="loginAction" class="com.xqh.action.LoginAction"
- scope="prototype">
- <!-- 依赖注入业务逻辑组件 -->
- <property name="ms" ref="myService"/>
- </bean>
- </beans>
注意:当Spring容器管理Struts2的Action时,由于每个Action对应一次用户请求,且封装了该请求的请求百状态信息,所以不应该将Action配置成单例模式,因些必须指定scope属性,该属性值可指定为prototype和request两种
7.web.xml配置文件:
- <?xml version="1.0" encoding="UTF-8"?>
- <web-app version="2.5"
- xmlns="http://java.sun.com/xml/ns/javaee"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
- http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
- <welcome-file-list>
- <welcome-file>login.jsp</welcome-file>
- </welcome-file-list>
- <!-- 使用ContextLoaderListener初始化Spring容器 -->
- <listener>
- <listener-class>org.springframework.web.context.ContextLoaderListener
- </listener-class>
- </listener>
- <!-- 定义Struts2的FilterDispathcer的Filter -->
- <filter>
- <filter-name>struts2</filter-name>
- <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
- </filter>
- <!-- FilterDispatcher用来初始化Struts2并且处理所有的WEB请求。 -->
- <filter-mapping>
- <filter-name>struts2</filter-name>
- <url-pattern>/*</url-pattern>
- </filter-mapping>
- </web-app>
8.login.jsp源代码:
- <%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
- <%
- String path = request.getContextPath();
- String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
- %>
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <base href="<%=basePath%>">
- <title>登录页面</title>
- <meta http-equiv="pragma" content="no-cache">
- <meta http-equiv="cache-control" content="no-cache">
- <meta http-equiv="expires" content="0">
- <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
- <meta http-equiv="description" content="This is my page">
- <!--
- <link rel="stylesheet" type="text/css" href="styles.css">
- -->
- </head>
- <body>
- <form action="login.action" method="post">
- <table align="center">
- <caption><h3>用户登录</h3></caption>
- <tr>
- <td>用户名:<input type="text" name="username"/></td>
- </tr>
- <tr>
- <td>密 码:<input type="text" name="password"/></td>
- </tr>
- <tr align="center">
- <td colspan="2"><input type="submit" value="登录"/><input type="reset" value="重填" /></td>
- </tr>
- </table>
- </form>
- </body>
- </html>
9.error.jsp源代码:
- <%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
- <%
- String path = request.getContextPath();
- String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
- %>
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <base href="<%=basePath%>">
- <title>错误页面</title>
- <meta http-equiv="pragma" content="no-cache">
- <meta http-equiv="cache-control" content="no-cache">
- <meta http-equiv="expires" content="0">
- <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
- <meta http-equiv="description" content="This is my page">
- <!--
- <link rel="stylesheet" type="text/css" href="styles.css">
- -->
- </head>
- <body>
- 登录失败!
- </body>
- </html>
10.welcome.jsp源代码:
- <%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
- <%@ taglib prefix="s" uri="/struts-tags" %>
- <%
- String path = request.getContextPath();
- String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
- %>
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <base href="<%=basePath%>">
- <title>成功页面</title>
- <meta http-equiv="pragma" content="no-cache">
- <meta http-equiv="cache-control" content="no-cache">
- <meta http-equiv="expires" content="0">
- <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
- <meta http-equiv="description" content="This is my page">
- <!--
- <link rel="stylesheet" type="text/css" href="styles.css">
- -->
- </head>
- <body>
- 您已经登录!<br/>
- <s:property value="tip"/>
- </body>
- </html>
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