Struts2自定義登陸驗證攔截器

時間  2020-02-25
標籤 struts2 struts 自定義 登陸 驗證 攔截 欄目 Struts 简体版
原文   原文鏈接

Controller.UserAction.javacss

package Controller;

import java.util.Map;

import com.opensymphony.xwork2.ActionContext;

public class UserAction {
	private String username;
	private String pass;
	//|POST 外部注入 UserLog方法！
	public String getUsername() {
		return username;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public String getPass() {
		return pass;
	}
	public void setPass(String pass) {
		this.pass = pass;
	}
	//|登陸頁
	public String UserLogin()
	{
		
		return "success";
	}
	//|登陸結果頁
	public String UserLog()
	{
	
		System.out.println(this.pass);
		System.out.println(this.username);
		if(this.username.equals("admin")&&this.pass.equals("admin"))
		{
			ActionContext act=ActionContext.getContext();
			Map<String,Object> sessionMap=(Map<String,Object>)act.getSession();
			sessionMap.put("username", "admin");
			return "success";
		}
		
		
		return "failure";
	}
	//|用戶中心頁面
	public String UserCenter()
	{
		return "success";
	}
	//|用戶註銷
	public String UserLogOut()
	{
		ActionContext act=ActionContext.getContext();
		Map<String,Object> sessionMap=(Map<String,Object>)act.getSession();
		//|清空session（註銷）
		sessionMap.clear();
		return "success";
	}


}

Controller.UserInterceptor.java 

package Controller;
/*******
 * 自定義攔截器  攔截 沒有登陸的用戶  Author:邱於涵
 * ******/
import java.util.Map;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.MethodFilterInterceptor;

/*AbstractClass Use extends ,Interface Use implements
 *AbstractInterceptor繼承於MethodFilterInterceptor
 *使用MethodFilterInterceptor才能設置<param name="excludeMethods" >method1,...</param>
 *實現doIntercept方法 
 */
public class UserInterceptor extends MethodFilterInterceptor{


	@Override
	protected String doIntercept(ActionInvocation invocation) throws Exception {
	  // TODO Auto-generated method stub
	  ActionContext act=ActionContext.getContext();
	  Map<String,Object> sessionMap=(Map<String,Object>)act.getSession();
	  System.out.println("test攔截器 正在過濾...");
	  System.out.println(sessionMap.get("username"));
	  if(sessionMap.get("username")!=null)
	  //|session有值 就 執行下一步
	  invocation.invoke();
	  //|不然就返回 failure做爲 result 根據struts.xml返回<result name="failure">/User/UserLogin.jsp</result>
	  return "failure";
	}

}

struts.xml
html

<?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>
<package name="User"  extends="struts-default" namespace="/User">
<!-- 註冊攔截器 -->
<interceptors>
<interceptor name="test" class="Controller.UserInterceptor">
</interceptor>
</interceptors>
<!-- -通配符映射 -->
<action name="User*" class="Controller.UserAction" method="User{1}">
<!-- 引用攔截器 -->

<interceptor-ref name="test">
<!-- 不攔截的方法 UserLogi用於登陸 -->
<param name="excludeMethods">UserLogin,UserLog</param>
</interceptor-ref>
<!-- 沒有默認的攔截器棧 Action沒法接收POST GET -->
<interceptor-ref name="defaultStack"/>
<result name="success">/User/User{1}.jsp</result>
<result name="failure">/User/UserLogin.jsp</result>

</action>
</package>

</struts>


index.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 '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>
    This is my JSP page. <br>
    This is WebApp Directory:<br/>
    <%=request.getContextPath() %><br/>
    <a href="User/UserLogin.action">登陸用戶</a>
    <br/>
    Powered By 涵涵
  </body>
</html>
User/UserLogin.jsp用戶登陸表單頁面 

<%@ 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>用戶登陸</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>
   這是通配符映射<a href="<%=request.getContextPath() %>">返回到首頁</a><br/>
   <form action="<%=request.getContextPath() %>/User/UserLog.action" method="POST" >
   <input type="text" name="username"/>
   <input type="password" name="pass"/>
   <input type="submit" value="登陸"/>
   </form>
  </body>
</html>


User/UserLog.jsp用戶登陸結果頁面java

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@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>用戶登陸結果頁</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>
  <s:debug></s:debug>
    登陸成功！<br/>
    <s:property value="#session.username"/><br/>
    <a href="<%=request.getContextPath() %>/User/UserCenter.action">進入用戶中心</a>
  </body>
</html>


User/UserCenter.jsp用戶中心頁面web

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@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>用戶中心</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>
    這是用戶中心<br/>
    用戶名:<s:property value="#session.username"/><br/>
    <a href="<%=request.getContextPath()%>/User/UserLogOut.action">註銷</a>
  </body>
</html>


User/UserLogOut.jsp用戶註銷頁面apache

<%@ 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>註銷成功</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>
    註銷成功歡迎下次回來<br/>
    <a href="<%=request.getContextPath() %>">返回首頁</a>
  </body>
</html>
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">
  <display-name></display-name>	
  <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>/*</url-pattern>
  </filter-mapping></web-app>
相關文章
相關標籤/搜索
每日一句
    每一个你不满意的现在，都有一个你没有努力的曾经。
本站公眾號
   歡迎關注本站公眾號,獲取更多信息
聯繫我們 最近搜索 最新文章 沪ICP备13005482号-10 MyBatis教程 SQL 教程 MySQL教程 Java 教程 Thymeleaf 教程 Hibernate教程 Spring教程 Redis教程