<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:applicationContext.xml</param-value></context-param><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><servlet><servlet-name>spring</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>spring</servlet-name><url-pattern>/</url-pattern></servlet-mapping><filter><filter-name>shiroFilter</filter-name><filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class><init-param><param-name>targetFilterLifecycle</param-name><param-value>true</param-value></init-param></filter><filter-mapping><filter-name>shiroFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping>
</web-app>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:mvc="http://www.springframework.org/schema/mvc"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsdhttp://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"><context:component-scan base-package="com.lkk.shiro"></context:component-scan><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="prefix" value="/"></property><property name="suffix" value=".jsp"></property></bean><mvc:annotation-driven></mvc:annotation-driven><mvc:default-servlet-handler/></beans>

<ehcache><!-- Sets the path to the directory where cache .data files are created.If the path is a Java System Property it is replaced byits value in the running VM.The following properties are translated:user.home - User's home directoryuser.dir - User's current working directoryjava.io.tmpdir - Default temp file path --><diskStore path="java.io.tmpdir"/><cache name="authorizationCache"eternal="false"timeToIdleSeconds="3600"timeToLiveSeconds="0"overflowToDisk="false"statistics="true"></cache><cache name="authenticationCache"eternal="false"timeToIdleSeconds="3600"timeToLiveSeconds="0"overflowToDisk="false"statistics="true"></cache><cache name="shiro-activeSessionCache"eternal="false"timeToIdleSeconds="3600"timeToLiveSeconds="0"overflowToDisk="false"statistics="true"></cache><!--Default Cache configuration. These will applied to caches programmatically created throughthe CacheManager.The following attributes are required for defaultCache:maxInMemory       - Sets the maximum number of objects that will be created in memoryeternal           - Sets whether elements are eternal. If eternal,  timeouts are ignored and the elementis never expired.timeToIdleSeconds - Sets the time to idle for an element before it expires. Is only usedif the element is not eternal. Idle time is now - last accessed timetimeToLiveSeconds - Sets the time to live for an element before it expires. Is only usedif the element is not eternal. TTL is now - creation timeoverflowToDisk    - Sets whether elements can overflow to disk when the in-memory cachehas reached the maxInMemory limit.--><defaultCachemaxElementsInMemory="10000"eternal="false"timeToIdleSeconds="120"timeToLiveSeconds="120"overflowToDisk="true"/><!--Predefined caches.  Add your cache configuration settings here.If you do not have a configuration for your cache a WARNING will be issued when theCacheManager startsThe following attributes are required for defaultCache:name              - Sets the name of the cache. This is used to identify the cache. It must be unique.maxInMemory       - Sets the maximum number of objects that will be created in memoryeternal           - Sets whether elements are eternal. If eternal,  timeouts are ignored and the elementis never expired.timeToIdleSeconds - Sets the time to idle for an element before it expires. Is only usedif the element is not eternal. Idle time is now - last accessed timetimeToLiveSeconds - Sets the time to live for an element before it expires. Is only usedif the element is not eternal. TTL is now - creation timeoverflowToDisk    - Sets whether elements can overflow to disk when the in-memory cachehas reached the maxInMemory limit.--><!-- Sample cache named sampleCache1This cache contains a maximum in memory of 10000 elements, and will expirean element if it is idle for more than 5 minutes and lives for more than10 minutes.If there are more than 10000 elements it will overflow to thedisk cache, which in this configuration will go to wherever java.io.tmp isdefined on your system. On a standard Linux system this will be /tmp"--><cache name="sampleCache1"maxElementsInMemory="10000"eternal="false"timeToIdleSeconds="300"timeToLiveSeconds="600"overflowToDisk="true"/><!-- Sample cache named sampleCache2This cache contains 1000 elements. Elements will always be held in memory.They are not expired. --><cache name="sampleCache2"maxElementsInMemory="1000"eternal="true"timeToIdleSeconds="0"timeToLiveSeconds="0"overflowToDisk="false"/> --><!-- Place configuration for your caches following --></ehcache>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"><!--  1. 配置 SecurityManager!-->     <bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager"><property name="cacheManager" ref="cacheManager"/><property name="realms"><ref bean="jdbcRealm"/></property></bean><!--  2. 配置 CacheManager. 2.1 需要加入 ehcache 的 jar 包及配置文件. -->     <bean id="cacheManager" class="org.apache.shiro.cache.ehcache.EhCacheManager"><property name="cacheManagerConfigFile" value="classpath:ehcache.xml"/> </bean><!-- 3. 配置 Realm 3.1 直接配置实现了 org.apache.shiro.realm.Realm 接口的 bean-->     <bean id="jdbcRealm" class="com.lkk.shiro.realms.ShiroRealm">         <!- 加密算法会用到-></bean><!--  4. 配置 LifecycleBeanPostProcessor. 可以自定的来调用配置在 Spring IOC 容器中 shiro bean 的生命周期方法. -->       <bean id="lifecycleBeanPostProcessor" class="org.apache.shiro.spring.LifecycleBeanPostProcessor"/><!--  5. 启用 IOC 容器中使用 shiro 的注解. 但必须在配置了 LifecycleBeanPostProcessor 之后才可以使用. -->     <bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"depends-on="lifecycleBeanPostProcessor"/><bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor"><property name="securityManager" ref="securityManager"/></bean><!--  6. 配置 ShiroFilter. 6.1 id 必须和 web.xml 文件中配置的 DelegatingFilterProxy 的 <filter-name> 一致.若不一致, 则会抛出: NoSuchBeanDefinitionException. 因为 Shiro 会来 IOC 容器中查找和 <filter-name> 名字对应的 filter bean.-->     <bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean"><property name="securityManager" ref="securityManager"/><property name="loginUrl" value="/login.jsp"/><property name="successUrl" value="/list.jsp"/><property name="unauthorizedUrl" value="/unauthorized.jsp"/><!--  配置哪些页面需要受保护. 以及访问这些页面需要的权限. 1). anon 可以被匿名访问2). authc 必须认证(即登录)后才可能访问的页面. 3). logout 登出.4). roles 角色过滤器--><property name="filterChainDefinitions"><value>/login.jsp = anon/shiro/login = anon/shiro/logout = logout# everything else requires authentication:/** = authc</value></property></bean></beans>

package com.lkk.shiro.handlers;import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;@Controller
@RequestMapping("/shiro")
public class ShiroHandler {@RequestMapping("/login")public String login(@RequestParam("username") String username, @RequestParam("password") String password){Subject currentUser = SecurityUtils.getSubject();if (!currentUser.isAuthenticated()) {// 把用户名和密码封装为 UsernamePasswordToken 对象UsernamePasswordToken token = new UsernamePasswordToken(username, password);// remembermetoken.setRememberMe(true);try {System.out.println("1. " + token.hashCode());// 执行登录. currentUser.login(token);} // ... catch more exceptions here (maybe custom ones specific to your application?// 所有认证时异常的父类. catch (AuthenticationException ae) {//unexpected condition?  error?System.out.println("登录失败: " + ae.getMessage());}}return "redirect:/list.jsp";//return "list";}}

package com.lkk.shiro.realms;import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.LockedAccountException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.realm.Realm;
import org.apache.shiro.subject.PrincipalCollection;public class ShiroRealm extends AuthorizingRealm{@Overrideprotected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection arg0) {// TODO Auto-generated method stubreturn null;}@Overrideprotected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {// TODO Auto-generated method stub
System.out.println("[FirstRealm] doGetAuthenticationInfo");//1. 把 AuthenticationToken 转换为 UsernamePasswordToken UsernamePasswordToken upToken = (UsernamePasswordToken) token;//2. 从 UsernamePasswordToken 中来获取 usernameString username = upToken.getUsername();//3. 调用数据库的方法, 从数据库中查询 username 对应的用户记录System.out.println("从数据库中获取 username: " + username + " 所对应的用户信息.");//4. 若用户不存在, 则可以抛出 UnknownAccountException 异常if("unknown".equals(username)){throw new UnknownAccountException("用户不存在!");}//5. 根据用户信息的情况, 决定是否需要抛出其他的 AuthenticationException 异常. if("monster".equals(username)){throw new LockedAccountException("用户被锁定");}//6. 根据用户的情况, 来构建 AuthenticationInfo 对象并返回. 通常使用的实现类为: SimpleAuthenticationInfo//以下信息是从数据库中获取的.//1). principal: 认证的实体信息. 可以是 username, 也可以是数据表对应的用户的实体类对象. Object principal = username;//2). credentials: 密码. Object credentials ="123"; //3). realmName: 当前 realm 对象的 name. 调用父类的 getName() 方法即可String realmName = getName();SimpleAuthenticationInfo info = null; //new SimpleAuthenticationInfo(principal, credentials, realmName);info = new SimpleAuthenticationInfo(principal, credentials,  realmName);return info;}}

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1"%>
<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body><h4>hello world</h4><a href="shiro/logout">注销</a></body>
</html>

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1"%>
<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body><h4>Login Page</h4><form action="shiro/login" method="POST">username: <input type="text" name="username"/><br><br>password: <input type="password" name="password"/><br><br><input type="submit" value="Submit"/></form>
</body>
</html>