1.目录结构

2.Authority.java

package cn.sigangjun.action;import java.lang.annotation.ElementType;import java.lang.annotation.Retention;import java.lang.annotation.RetentionPolicy;import java.lang.annotation.Target;/** * 用于识别在进行action调用的时候，标注该方法调用是否需要权限控制，需要什么样的权限的注解类。 *  * 该注解类一般会包括两个属性，一个是需要的权限，一个是对应的action。 *  * @author sigangjun *  */// 表示在什么级别保存该注解信息@Retention(RetentionPolicy.RUNTIME)// 表示该注解用于什么地方@Target(ElementType.METHOD)public @interface Authority {	String actionName();	String privilege();}

3.AuthorityInterceptor.java

package cn.sigangjun.action;import java.lang.reflect.Method;import java.util.Date;import org.apache.struts2.ServletActionContext;import com.opensymphony.xwork2.ActionInvocation;import com.opensymphony.xwork2.interceptor.Interceptor;/** * 用于拦截请求判断是否拥有权限的拦截器 *  * @author sigangjun *  */@SuppressWarnings("serial")public class AuthorityInterceptor implements Interceptor {	public void destroy() {}	public void init() {}	public String intercept(ActionInvocation actionInvocation) throws Exception {		String methodName = actionInvocation.getProxy().getMethod();		Method currentMethod = actionInvocation.getAction().getClass().getMethod(methodName, null);		// 如果该请求方法是需要进行验证的则需执行以下逻辑		if (currentMethod.isAnnotationPresent(Authority.class)) {			// 获取权限校验的注解			Authority authority = currentMethod.getAnnotation(Authority.class);			// 获取当前请求的注解的actionName			String actionName = authority.actionName();			// 获取当前请求需要的权限			String privilege = authority.privilege();						//1、判断客户是否登陆			Employee employee = (Employee) ServletActionContext.getRequest().getSession().getAttribute("employee");			if (employee == null) {				System.out.println("++++++++++++++++++++++++++++++++++++++++++++++++++++++");				System.out.println("客户还没登陆或登陆已超时！！！无权限访问！");				System.out.println("++++++++++++++++++++++++++++++++++++++++++++++++++++++");				System.out.println();				return "index";			}			System.out.println("++++++++++++++++++++++++++++++++++++++++++++++++++++++");			System.out.println("客户" + employee.getUserName() + "在" + new Date() + "执行了" + actionName + "方法，拥有" + privilege + "权限！！");			System.out.println("++++++++++++++++++++++++++++++++++++++++++++++++++++++");		}				return actionInvocation.invoke();	}}

4.Employee.java

package cn.sigangjun.action;import java.io.Serializable;/** * @author sigangjun * */@SuppressWarnings("serial")public class Employee implements Serializable {	private Integer id;	private String userName;	private String pwd;	public Employee() {	}	public Integer getId() {		return id;	}	public void setId(Integer id) {		this.id = id;	}	public String getUserName() {		return userName;	}	public void setUserName(String userName) {		this.userName = userName;	}	public String getPwd() {		return pwd;	}	public void setPwd(String pwd) {		this.pwd = pwd;	}}

5.EmployeeAction

package cn.sigangjun.action;import com.opensymphony.xwork2.ActionSupport;/** * @author sigangjun * */@SuppressWarnings("serial")public class EmployeeAction extends ActionSupport {	/**	 * 请求该方法需要拥有对test的add权限，会通过拦截器拦截	 */	@Authority(actionName = "test", privilege = "add")	public String add() {		System.out.println("执行了add方法！！！");		return SUCCESS;	}	/**	 * 请求该方法的时候需要拥有对test的find权限，会通过拦截器拦截	 */	@Authority(actionName = "test", privilege = "find")	public String find() throws Exception {		System.out.println("执行了find方法！！！");		return SUCCESS;	}	/**	 * 不会通过拦截器拦截，因为没对actionName进行权限配置	 */	public String delete() throws Exception {		System.out.println("执行了delete方法！！！");		return SUCCESS;	}}

6.struts.xml

7.web.xml


        
            
                 
          
           struts2
                  
          
                       org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter        
              
             
                 
          
           struts2
                  
          
           /*

8.pom.xml


        	
         
          4.0.0
         	
         
          cn.sigangjun
         	
         
          03struts2
         	
         
          war
         	
         
          0.0.1-SNAPSHOT
         	
         
          03struts2 Maven Webapp
         	
         
          http://maven.apache.org
         	
         		
          			
           
            org.apache.struts
           			
           
            struts2-core
           			
           
            2.3.4.1
           		
          		
          			
           
            org.apache.struts
           			
           
            struts2-convention-plugin
           			
           
            2.3.4.1
           		
          		
          			
           
            junit
           			
           
            junit
           			
           
            4.10
           			
           
            test
           		
          		
          			
           
            log4j
           			
           
            log4j
           			
           
            1.2.17
           		
          	
         	
         		
          
           03struts2

9.login.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%@page import="cn.sigangjun.action.*"%><%    Employee employee=new Employee();    employee.setId(1);    employee.setUserName("sigangjun");    employee.setPwd("123456");    request.getSession().setAttribute("employee", employee);%>客户已经登录

10.index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%@taglib uri="/struts-tags" prefix="s"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%>              My JSP 'index.jsp' starting page    
            
            
                
            
            
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