shiro +spring + spring mvc+ mybatis整合
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sql[html] view plain copyCREATE TABLE `sys_permission` ( `id` bigint(20) NOT NULL COMMENT '主键', `name` varchar(128) NOT NULL COMMENT '资源名称', `type` varchar(32) NOT NULL COMMENT '资源类型：menu,button,', `url` varchar(128) DEFAULT NULL COMMENT '访问url地址', `percode` varchar(128) DEFAULT NULL COMMENT '权限代码字符串', `parentid` bigint(20) DEFAULT NULL COMMENT '父结点id', `parentids` varchar(128) DEFAULT NULL COMMENT '父结点id列表串', `sortstring` varchar(128) DEFAULT NULL COMMENT '排序号', `available` char(1) DEFAULT NULL COMMENT '是否可用,1：可用，0不可用', PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; /*Table structure for table `sys_role` */ CREATE TABLE `sys_role` ( `id` varchar(36) NOT NULL, `name` varchar(128) NOT NULL, `available` char(1) DEFAULT NULL COMMENT '是否可用,1：可用，0不可用', PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; /*Table structure for table `sys_role_permission` */ CREATE TABLE `sys_role_permission` ( `id` varchar(36) NOT NULL, `sys_role_id` varchar(32) NOT NULL COMMENT '角色id', `sys_permission_id` varchar(32) NOT NULL COMMENT '权限id', PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; /*Table structure for table `sys_user` */ CREATE TABLE `sys_user` ( `id` varchar(36) NOT NULL COMMENT '主键', `usercode` varchar(32) NOT NULL COMMENT '账号', `username` varchar(64) NOT NULL COMMENT '姓名', `password` varchar(32) NOT NULL COMMENT '密码', `salt` varchar(64) DEFAULT NULL COMMENT '盐', `locked` char(1) DEFAULT NULL COMMENT '账号是否锁定，1：锁定，0未锁定', PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE `items` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(32) NOT NULL COMMENT '商品名称', `price` float(10,1) NOT NULL COMMENT '商品定价', `detail` text COMMENT '商品描述', `pic` varchar(64) DEFAULT NULL COMMENT '商品图片', `createtime` datetime NOT NULL COMMENT '生产日期', PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8; [html] view plain copy/*Data for the table `sys_permission` */ insert into `sys_permission`(`id`,`name`,`type`,`url`,`percode`,`parentid`,`parentids`,`sortstring`,`available`) values (1,'权限','','',NULL,0,'0/','0','1'),(11,'商品管理','menu','/item/queryItem.action',NULL,1,'0/1/','1.','1'),(12,'商品新增','permission','/item/add.action','item:create',11,'0/1/11/','','1'),(13,'商品修改','permission','/item/editItem.action','item:update',11,'0/1/11/','','1'),(14,'商品删除','permission','','item:delete',11,'0/1/11/','','1'),(15,'商品查询','permission','/item/queryItem.action','item:query',11,'0/1/15/',NULL,'1'),(21,'用户管理','menu','/user/query.action','user:query',1,'0/1/','2.','1'),(22,'用户新增','permission','','user:create',21,'0/1/21/','','1'),(23,'用户修改','permission','','user:update',21,'0/1/21/','','1'),(24,'用户删除','permission','','user:delete',21,'0/1/21/','','1'); /*Data for the table `sys_role` */ insert into `sys_role`(`id`,`name`,`available`) values ('ebc8a441-c6f9-11e4-b137-0adc305c3f28','商品管理员','1'),('ebc9d647-c6f9-11e4-b137-0adc305c3f28','用户管理员','1'); /*Data for the table `sys_role_permission` */ insert into `sys_role_permission`(`id`,`sys_role_id`,`sys_permission_id`) values ('ebc8a441-c6f9-11e4-b137-0adc305c3f21','ebc8a441-c6f9-11e4-b137-0adc305c','12'),('ebc8a441-c6f9-11e4-b137-0adc305c3f22','ebc8a441-c6f9-11e4-b137-0adc305c','11'),('ebc8a441-c6f9-11e4-b137-0adc305c3f24','ebc9d647-c6f9-11e4-b137-0adc305c','21'),('ebc8a441-c6f9-11e4-b137-0adc305c3f25','ebc8a441-c6f9-11e4-b137-0adc305c','15'),('ebc9d647-c6f9-11e4-b137-0adc305c3f23','ebc9d647-c6f9-11e4-b137-0adc305c','22'),('ebc9d647-c6f9-11e4-b137-0adc305c3f26','ebc8a441-c6f9-11e4-b137-0adc305c','13'); /*Data for the table `sys_user` */ insert into `sys_user`(`id`,`usercode`,`username`,`password`,`salt`,`locked`) values ('lisi','lisi','李四','bf07fd8bbc73b6f70b8319f2ebb87483','uiwueylm','0'),('zhangsan','zhangsan','张三','cb571f7bd7a6f73ab004a70322b963d5','eteokues','0'); /*Data for the table `sys_user_role` */ insert into `sys_user_role`(`id`,`sys_user_id`,`sys_role_id`) values ('ebc8a441-c6f9-11e4-b137-0adc305c3f28','zhangsan','ebc8a441-c6f9-11e4-b137-0adc305c'),('ebc9d647-c6f9-11e4-b137-0adc305c3f28','lisi','ebc9d647-c6f9-11e4-b137-0adc305c'); insert into `items`(`id`,`name`,`price`,`detail`,`pic`,`createtime`) values (1,'台式机',3000.0,'该电脑质量非常好！！！！',NULL,'2015-02-03 13:22:53'),(2,'笔记本',6000.0,'笔记本性能好，质量好！！！！！',NULL,'2015-02-09 13:22:57'),(3,'背包',200.0,'名牌背包，容量大质量好！！！！',NULL,'2015-02-06 13:23:02'); /*!40101 SET SQL_MODE=@OLD_SQL_MODE */; pom.xml[html] view plain copy<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.me</groupId> <artifactId>shiro-web</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <!-- 添加Servlet支持 --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>javax.servlet.jsp-api</artifactId> <version>2.3.1</version> </dependency> <!-- 添加jtl支持 --> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- 添加Spring支持 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>4.1.7.RELEASE</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.3</version> </dependency> <!-- 添加日志支持 --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <!-- 添加mybatis支持 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.3.0</version> </dependency> <!-- jdbc驱动包 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-core</artifactId> <version>1.2.4</version> </dependency> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-ehcache</artifactId> <version>1.2.4</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.12</version> </dependency> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-web</artifactId> <version>1.2.4</version> </dependency> <dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-spring</artifactId> <version>1.2.4</version> </dependency> </dependencies> <!-- 如果不添加此节点mybatis的mapper.xml文件都会被漏掉。 --> <build> <resources> <resource> <directory>src/main/java</directory> <includes> <include>**/*.properties</include> <include>**/*.xml</include> </includes> <filtering>false</filtering> </resource> <resource> <directory>src/main/resources</directory> <includes> <include>**/*.properties</include> <include>**/*.xml</include> </includes> <filtering>false</filtering> </resource> </resources> </build> </project> web.xml[html] view plain copy<?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_3_0.xsd" id="WebApp_ID" version="3.0"> <display-name>shiro-web</display-name> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <!-- Spring监听器 --> <context-param> <param-name>contextConfigLocation</param-name> <!-- Spring配置文件 --> <param-value>classpath:spring/applicationContext.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- shiro的filter --> <!-- shiro过虑器，DelegatingFilterProxy通过代理模式将spring容器中的bean和filter关联起来 --> <filter> <filter-name>shiroFilter</filter-name> <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> <!-- 设置true由servlet容器控制filter的生命周期 --> <init-param> <param-name>targetFilterLifecycle</param-name> <param-value>true</param-value> </init-param> <!-- 设置spring容器filter的bean id，如果不设置则找与filter-name一致的bean--> <init-param> <param-name>targetBeanName</param-name> <param-value>shiroFilter</param-value> </init-param> </filter> <filter-mapping> <filter-name>shiroFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 添加对springmvc的支持 --> <servlet> <servlet-name>springMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/spring-mvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> <async-supported>true</async-supported> </servlet> <servlet-mapping> <servlet-name>springMVC</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <!-- post乱码处理 --> <filter> <filter-name>CharacterEncodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>utf-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app> spring-mvc.xml[html] view plain copy<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" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd "> <!-- 使用spring组件扫描 --> <context:component-scan base-package="cn.me.ssm.controller" /> <!-- 通过annotation-driven可以替代下边的处理器映射器和适配器 --> <mvc:annotation-driven> </mvc:annotation-driven> <!-- 配置视图解析器 要求将jstl的包加到classpath --> <!-- ViewResolver --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> <bean class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver"> <property name="exceptionMappings"> <props> <!-- 无权权限跳转页面 --> <prop key="org.apache.shiro.authz.UnauthorizedException">refuse</prop> </props> </property> </bean> <!-- 定义统一异常处理器 --> <bean class="cn.me.ssm.exception.CustomExceptionResolver"></bean> <!-- 开启aop，对类代理 --> <aop:config proxy-target-class="true"></aop:config> <!-- 开启shiro注解支持 --> <bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor"> <property name="securityManager" ref="securityManager" /> </bean> </beans> spring-shiro.xml[html] view plain copy<?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:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"> <!-- Shiro过滤器 --> <bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean"> <!-- Shiro的核心安全接口,这个属性是必须的 --> <property name="securityManager" ref="securityManager" /> <!-- loginUrl认证提交地址，如果没有认证将会请求此地址进行认证，请求此地址将由formAuthenticationFilter进行表单认证 --> <property name="loginUrl" value="/login.do" /> <!-- 认证成功统一跳转到first.action，建议不配置，shiro认证成功自动到上一个请求路径 --> <property name="successUrl" value="/first.do" /> <!-- 通过unauthorizedUrl指定没有权限操作时跳转页面 --> <property name="unauthorizedUrl" value="/refuse.jsp" /> <!-- Shiro连接约束配置,即过滤链的定义 --> <property name="filterChainDefinitions"> <value> <!-- /** = anon所有url都可以匿名访问 --> <!-- 对静态资源设置匿名访问 --> /images/** = anon /js/** = anon /styles/** = anon <!-- 验证码，可匿名访问 --> /validatecode.jsp = anon <!-- 请求 logout.action地址，shiro去清除session --> /logout.action = logout <!--商品查询需要商品查询权限 ，取消url拦截配置，使用注解授权方式 --> <!-- /items/queryItems.action = perms[item:query] --> <!-- /** = authc 所有url都必须认证通过才可以访问 --> /**=authc </value> </property> </bean> <!-- 安全管理器 --> <bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager"> <!-- 注入自定义Realm --> <property name="realm" ref="customRealm" /> <!-- 注入缓存管理器 --> <property name="cacheManager" ref="cacheManager"/> </bean> <!-- 自定义Realm --> <bean id="customRealm" class="cn.me.ssm.shiro.CustomRealm"> <!-- 将凭证匹配器设置到realm中，realm按照凭证匹配器的要求进行散列 --> <property name="credentialsMatcher" ref="credentialsMatcher" /> </bean> <!-- 凭证匹配器 --> <bean id="credentialsMatcher" class="org.apache.shiro.authc.credential.HashedCredentialsMatcher"> <property name="hashAlgorithmName" value="md5" /> <property name="hashIterations" value="1" /> </bean> <!-- 缓存管理器 --> <bean id="cacheManager" class="org.apache.shiro.cache.ehcache.EhCacheManager"> <property name="cacheManagerConfigFile" value="classpath:shiro-ehcache.xml" /> </bean> </beans> [html] view plain copypackage cn.me.ssm.shiro; import java.util.ArrayList; import java.util.List; import org.apache.shiro.SecurityUtils; import org.apache.shiro.authc.AuthenticationException; import org.apache.shiro.authc.AuthenticationInfo; import org.apache.shiro.authc.AuthenticationToken; import org.apache.shiro.authc.SimpleAuthenticationInfo; import org.apache.shiro.authz.AuthorizationInfo; import org.apache.shiro.authz.SimpleAuthorizationInfo; import org.apache.shiro.realm.AuthorizingRealm; import org.apache.shiro.subject.PrincipalCollection; import org.apache.shiro.util.ByteSource; import org.springframework.beans.factory.annotation.Autowired; import cn.me.ssm.po.ActiveUser; import cn.me.ssm.po.SysPermission; import cn.me.ssm.po.SysUser; import cn.me.ssm.service.SysService; /** * 自定义realm * * @author Administrator * */ public class CustomRealm extends AuthorizingRealm { @Autowired private SysService sysService; @Override public void setName(String name) { // TODO Auto-generated method stub super.setName("customRealm"); } // 用于认证 @Override protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException { // token是用户输入的 // 第一步从token中取出身份信息 String userCode = (String) token.getPrincipal(); SysUser sysUser = null; // 第二步：根据用户输入的userCode从数据库查询 try { sysUser = sysService.findSysUserByUserCode(userCode); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } // 如果查询不到返回null if (sysUser == null) { return null; } // 从数据库查询加密后密码 String password = sysUser.getPassword(); // 盐 String salt = sysUser.getSalt(); ActiveUser activeUser = new ActiveUser(); activeUser.setUserid(sysUser.getId()); activeUser.setUsercode(sysUser.getUsercode()); activeUser.setUsername(sysUser.getUsername()); // 根据用户id取出菜单 List<SysPermission> menus = null; try { menus = sysService.findMenuListByUserId(sysUser.getId()); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } activeUser.setMenus(menus); // 如果查询到返回认证信息AuthenticationInfo SimpleAuthenticationInfo authenticationInfo = new SimpleAuthenticationInfo(activeUser, password, ByteSource.Util.bytes(salt), this.getName()); return authenticationInfo; } // 用于授权 @Override protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) { // TODO Auto-generated method stub // 从principals获取主身份信息 // 将getPrimaryPrincipal方法返回值转为真实身份类型 // (在上边doGetAuthenticationInfo认证通过填充到SimpleAuthenticationInfo中的身份类型) ActiveUser activeUser = (ActiveUser) principals.getPrimaryPrincipal(); // 根据身份信息获取权限信息 // 从数据库获取到权限数据 List<SysPermission> permissionList = null; try { permissionList = sysService.findPermissionListByUserId(activeUser.getUserid()); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } List<String> permissions = new ArrayList<>(); if (permissionList != null) { // 将数据库查到权限标签符放到集合 for (SysPermission permission : permissionList) { permissions.add(permission.getPercode()); } } // 将查询到授权信息填充到simpleAuthorizationInfo对象中 SimpleAuthorizationInfo simpleAuthorizationInfo = new SimpleAuthorizationInfo(); simpleAuthorizationInfo.addStringPermissions(permissions); // 返回授权信息 return simpleAuthorizationInfo; } // 清除缓存 public void clearCached() { PrincipalCollection principals = SecurityUtils.getSubject().getPrincipals(); super.clearCache(principals); } } 设置凭证匹配器数据库中存储到的md5的散列值，在realm中需要设置数据库中的散列值它使用散列算法 及散列次数，让shiro进行散列对比时和原始数据库中的散列值使用的算法 一致。[html] view plain copy<!-- 凭证匹配器 --> <bean id="credentialsMatcher" class="org.apache.shiro.authc.credential.HashedCredentialsMatcher"> <property name="hashAlgorithmName" value="md5" /> <property name="hashIterations" value="1" /> </bean> 授权修改realm的doGetAuthorizationInfo，从数据库查询权限信息。使用注解式授权方法。[html] view plain copy// 商品信息方法 @RequestMapping("/queryItems") @RequiresPermissions("item:query") // 执行queryItems需要"item:query"权限 public ModelAndView queryItems(HttpServletRequest request) springmvc.xml[html] view plain copy<bean class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver"> <property name="exceptionMappings"> <props> <!-- 无权权限跳转页面 --> <prop key="org.apache.shiro.authz.UnauthorizedException">refuse</prop> </props> </property> </bean> <!-- 开启aop，对类代理 --> <aop:config proxy-target-class="true"></aop:config> <!-- 开启shiro注解支持 --> <bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor"> <property name="securityManager" ref="securityManager" /> </bean> 使用jsp标签授权方法。[html] view plain copy<%@ taglib uri="http://shiro.apache.org/tags" prefix="shiro" %> [html] view plain copy<!-- 有item:update权限才显示修改链接，没有该 权限不显示，相当 于if(hasPermission(item:update)) --> <shiro:hasPermission name="item:update"> <a href="${pageContext.request.contextPath }/items/editItems.do?id=${item.id}">修改</a> </shiro:hasPermission> jsp标签 授权Jsp页面添加：<%@ tagliburi="http://shiro.apache.org/tags" prefix="shiro" %>标签名称 标签条件（均是显示标签内容）<shiro:authenticated> 登录之后<shiro:notAuthenticated> 不在登录状态时<shiro:guest> 用户在没有RememberMe时<shiro:user> 用户在RememberMe时<shiro:hasAnyRoles name="abc,123" > 在有abc或者123角色时<shiro:hasRole name="abc"> 拥有角色abc<shiro:lacksRole name="abc"> 没有角色abc<shiro:hasPermission name="abc"> 拥有权限资源abc<shiro:lacksPermission name="abc"> 没有abc权限资源<shiro:principal> 显示用户身份名称 <shiro:principal property="username"/> 显示用户身份中的属性值授权测试当调用controller的一个方法，由于该 方法加了@RequiresPermissions("item:query") ，shiro调用realm获取数据库中的权限信息，看"item:query"是否在权限数据中存在，如果不存在就拒绝访问，如果存在就授权通过。当展示一个jsp页面时，页面中如果遇到<shiro:hasPermission name="item:update">，shiro调用realm获取数据库中的权限信息，看item:update是否在权限数据中存在，如果不存在就拒绝访问，如果存在就授权通过。问题：只要遇到注解或jsp标签的授权，都会调用realm方法查询数据库，需要使用缓存解决此问题。shiro缓存针对上边授权频繁查询数据库，需要使用shiro缓存。缓存流程shiro中提供了对认证信息和授权信息的缓存。shiro默认是关闭认证信息缓存的，对于授权信息的缓存shiro默认开启的。主要研究授权信息缓存，因为授权的数据量大。用户认证通过。该 用户第一次授权：调用realm查询数据库该 用户第二次授权：不调用realm查询数据库，直接从缓存中取出授权信息（权限标识符）。添加jar[html] view plain copy<dependency> <groupId>org.apache.shiro</groupId> <artifactId>shiro-ehcache</artifactId> <version>1.2.4</version> </dependency> [html] view plain copy<!-- 安全管理器 --> <bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager"> <!-- 注入自定义Realm --> <property name="realm" ref="customRealm" /> <!-- 注入缓存管理器 --> <property name="cacheManager" ref="cacheManager"/> </bean> <!-- 缓存管理器 --> <bean id="cacheManager" class="org.apache.shiro.cache.ehcache.EhCacheManager"> <property name="cacheManagerConfigFile" value="classpath:shiro-ehcache.xml" /> </bean> shiro-ehcache.xml[html] view plain copy<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../config/ehcache.xsd"> <!--diskStore：缓存数据持久化的目录 地址 --> <diskStore path="F:\develop\ehcache" /> <defaultCache maxElementsInMemory="1000" maxElementsOnDisk="10000000" eternal="false" overflowToDisk="false" diskPersistent="false" timeToIdleSeconds="120" timeToLiveSeconds="120" diskExpiryThreadIntervalSeconds="120" memoryStoreEvictionPolicy="LRU"> </defaultCache> </ehcache> [html] view plain copy缓存清空 如果用户正常退出，缓存自动清空。 如果用户非正常退出，缓存自动清空。 如果修改了用户的权限，而用户不退出系统，修改的权限无法立即生效。 需要手动进行编程实现： 在权限修改后调用realm的clearCache方法清除缓存。 下边的代码正常开发时要放在service中调用。 在service中，权限修改后调用realm的方法。 在realm中定义clearCached方法： [html] view plain copy//清除缓存 public void clearCached() { PrincipalCollection principals = SecurityUtils.getSubject().getPrincipals(); super.clearCache(principals); } 测试清除缓存controller方法： [html] view plain copy@Controller public class ClearShiroCache { // 注入realm @Autowired private CustomRealm customRealm; @RequestMapping("/clearShiroCache") public String clearShiroCache() { // 清除缓存，将来正常开发要在service调用customRealm.clearCached() customRealm.clearCached(); return "success"; } } sessionManager 和shiro整合后，使用shiro的session管理，shiro提供sessionDao操作 会话数据。配置sessionManager[html] view plain copy<!-- 会话管理器 --> <bean id="sessionManager" class="org.apache.shiro.web.session.mgt.DefaultWebSessionManager"> <!-- session的失效时长，单位毫秒 --> <property name="globalSessionTimeout" value="600000"/> <!-- 删除失效的session --> <property name="deleteInvalidSessions" value="true"/> </bean> [html] view plain copy<!-- 安全管理器 --> <bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager"> <!-- 注入自定义Realm --> <property name="realm" ref="customRealm" /> <!-- 注入缓存管理器 --> <property name="cacheManager" ref="cacheManager"/> <!-- 注入session管理器 --> <property name="sessionManager" ref="sessionManager" /> </bean> 阅读全文
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