Struts2配置与应用示例-优快云博客

本文介绍了一个使用Struts2框架的应用实例，详细展示了struts.xml与web.xml的配置方式，以及UserAction与UserBean的具体实现。通过示例说明了如何配置过滤器、包、操作及结果页面。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

struts_t1.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
 <constant name="struts.action.extension" value="action,php,ak"></constant>
</struts>

 

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<include file="struts_t1.xml"></include>
<bean name="userBean" class="com.icss.beans.UserBean"></bean>
<package name="test" extends="struts-default" namespace="/">
  <action name="login">
   <result>/login.jsp</result>
  </action>
  <action name="user_*" class="com.icss.actions.UserAction" method="user{1}">
   <result name="success">/index.jsp</result>
   <result name="error">/error.jsp</result>
  </action>
</package>
</struts> 

 

web.xml

<?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>index.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>*.action</url-pattern>
 </filter-mapping>
 <filter-mapping>
  <filter-name>struts2</filter-name>
  <url-pattern>*.php</url-pattern>
 </filter-mapping>
</web-app>

 

UserAction:

package com.icss.actions;

import org.apache.struts2.ServletActionContext;

import com.icss.beans.UserBean;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import com.opensymphony.xwork2.inject.Inject;

public class UserAction 
 extends ActionSupport implements ModelDriven<UserBean>{

 
 
 public String userLogin()
 {
  System.out.println("login sys ");
  System.out.println(userBean.getUserId());
  System.out.println(userBean.getPassword());
  
  System.out.println(ServletActionContext.getRequest().getParameter("userId"));
  if(!"admin".equals(userBean.getUserId())) {
   return "error";
  }
  
  
  return "success";
 }
 
 public String userQuery()
 {
  System.out.println("QUery....");
  return "success";
 }

 public UserBean getModel() {
  
  return userBean;
 }
 @Inject("userBean")
 private UserBean userBean;
 
}

 

UserBean:

package com.icss.beans;

public class UserBean {
 
 public UserBean() {
  
 }
 
 public String getUserId() {
  return userId;
 }
 public void setUserId(String userId) {
  this.userId = userId;
 }
 public String getPassword() {
  return password;
 }
 public void setPassword(String password) {
  this.password = password;
 }
 
 private String userId;
 private String password;
}


 

index.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
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>My JSP 'index.jsp' starting page</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>
     <a href="login.php">LOGIN</a> <br>
  </body>
</html>

 

login.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
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>My JSP 'login.jsp' starting page</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">
 -->
    <style type="text/css">
  .d1 {
   margin-left: 400px;
  }
 </style>
  </head>
  
  <body>
   <form action="user_Login.action">
     
     <div class="d1">
      <label>用户名:</label>
      <input type="text" name="userId">
     </div>
     <div class="d1">
      <label>密    码:</label>
      <input type="password" name="password">
     </div>
     <div class="d1">
      
      <input type="submit" value="登录">
     </div>
    </form>
    
    <a href="user_Query.action">查询用户</a>
  </body>
</html>


 

error.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
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>My JSP 'error.jsp' starting page</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>
    This is my error page. <br>
  </body>
</html>