Shiro配置以及redis配置

//druid连接池配置   
@Configuration
public class DruidConfig {
    @Bean
    public ServletRegistrationBean druidServlet() {
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
        // 登录查看信息的账号密码.
        servletRegistrationBean.addInitParameter("loginUsername", "admin");
        servletRegistrationBean.addInitParameter("loginPassword", "123456");
        return servletRegistrationBean;
    }
    @Bean
    public FilterRegistrationBean filterRegistrationBean() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
        filterRegistrationBean.setFilter(new WebStatFilter());
        filterRegistrationBean.addUrlPatterns("/*");
        filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
        return filterRegistrationBean;
    }
}

@Configuration
@EnableCaching//开启换成配置
public class RedisConfig extends CachingConfigurerSupport {
    private static Logger Logger = LoggerFactory.getLogger(RedisConfig.class);
    @Value("${spring.redis.host}")
    private String host;
    @Value("${spring.redis.port}")
    private int port;
    @Value("${spring.redis.timeout}")
    private int timeout;
    @Value("${spring.redis.pool.max-idle}")
    private int maxIdle;
    @Value("${spring.redis.pool.max-wait}")
    private long maxWaitMillis;
    @Bean
    public JedisPool redisPoolFactory() {
        Logger.info("开启redis，redis地址：" + host + ":" + port + ",JedisPool注入成功！！");
        JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
        jedisPoolConfig.setMaxIdle(maxIdle);
        jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
        JedisPool jedisPool = new JedisPool(jedisPoolConfig, host, port, timeout);
        return jedisPool;
    }
    /**
     * 配置shiro redisManager 使用的是shiro-redis开源插件
     * 
     * @return
     */
    @Bean
    public RedisManager redisManager() {
        RedisManager redisManager = new RedisManager();
        redisManager.setHost(host);
        redisManager.setPort(port);
        redisManager.setExpire(1800);// 配置缓存过期时间
        redisManager.setTimeout(timeout);
        return redisManager;
    }
}

@Configuration
public class ShiroConfig {
    /**
     * 缓存和session的管理
     */
    @Autowired
    private ShiroSessionAndCache shiroSessionAndCache;
    
    /**
     * shiro 服务
     */
    @Autowired
    private ShiroService shiroService;
    private static Logger Logger = LoggerFactory.getLogger(ShiroConfig.class);
    @Bean
    public static LifecycleBeanPostProcessor getLifecycleBeanPostProcessor() {
        return new LifecycleBeanPostProcessor();
    }
    /**
     * ShiroDialect，为了在thymeleaf里使用shiro的标签的bean
     * @return
     */
    @Bean
    public ShiroDialect shiroDialect() {
        return new ShiroDialect();
    }
    /**
     * ShiroFilterFactoryBean 处理拦截资源文件问题。 注意：单独一个ShiroFilterFactoryBean配置是或报错的，因为在
     * 初始化ShiroFilterFactoryBean的时候需要注入：SecurityManager Filter Chain定义说明 
     * 1、一个URL可以配置多个Filter，使用逗号分隔
     * 2、当设置多个过滤器时，全部验证通过，才视为通过 
     * 3、部分过滤器可指定参数，如perms，roles
     */
    @Bean
    public ShiroFilterFactoryBean shirFilter(org.apache.shiro.mgt.SecurityManager securityManager) {
        Logger.info("ShiroConfiguration.shirFilter()");
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        // 必须设置 SecurityManager
        shiroFilterFactoryBean.setSecurityManager(securityManager);
        // 如果不设置默认会自动寻找Web工程根目录下的"/login"页面
        shiroFilterFactoryBean.setLoginUrl("/login"); //登录页面
        // 登录成功后要跳转的链接
        shiroFilterFactoryBean.setSuccessUrl("/index");//首页
        // 未授权界面;
        shiroFilterFactoryBean.setUnauthorizedUrl("/403");//错误页面
        // 拦截器.  权限配置
        Map<String, String> filterChainDefinitionMap = shiroService.loadFilterChainDefinitions();
        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
        return shiroFilterFactoryBean;
    }
    @Bean
    public org.apache.shiro.mgt.SecurityManager securityManager() {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        // 设置realm.
        securityManager.setRealm(myShiroRealm());
        // 自定义缓存实现 使用redis ,生产环境才需要这么设置，开发环境需要清空全选，所以不建议开启这个
        // securityManager.setCacheManager(cacheManager());
        // 自定义session管理 使用redis
        securityManager.setSessionManager(shiroSessionAndCache.sessionManager());
        return securityManager;
    }
    @Bean
    public ZxShiroRealm myShiroRealm() {
        ZxShiroRealm myShiroRealm = new ZxShiroRealm();
        myShiroRealm.setCredentialsMatcher(hashedCredentialsMatcher());
        return myShiroRealm;
    }
    /**
     * 凭证匹配器 （由于我们的密码校验交给Shiro的SimpleAuthenticationInfo进行处理了
     *  所以我们需要修改下doGetAuthenticationInfo中的代码; ）
     * @return
     */
    @Bean
    public HashedCredentialsMatcher hashedCredentialsMatcher() {
        HashedCredentialsMatcher hashedCredentialsMatcher = new HashedCredentialsMatcher();
        hashedCredentialsMatcher.setHashAlgorithmName("md5");// 散列算法:这里使用MD5算法;
        hashedCredentialsMatcher.setHashIterations(2);// 散列的次数，比如散列两次，相当于 md5(md5(""));
        return hashedCredentialsMatcher;
    }
    /**
     * 开启shiro aop注解支持. 使用代理方式;所以需要开启代码支持;
     * 
     * @param securityManager
     * @return
     */
    @Bean
    public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor(org.apache.shiro.mgt.SecurityManager securityManager) {
        AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor = new AuthorizationAttributeSourceAdvisor();
        authorizationAttributeSourceAdvisor.setSecurityManager(securityManager);
        return authorizationAttributeSourceAdvisor;
    }
    @Bean
    public RedisSessionDAO redisSessionDAO() {
        return shiroSessionAndCache.redisSessionDAO();
    }
    @Bean
    public DefaultWebSessionManager sessionManager() {
        return shiroSessionAndCache.sessionManager();
    }
    
    /**
     * 注册DelegatingFilterProxy（Shiro）
     * 集成Shiro有2种方法：
     * 1. 按这个方法自己组装一个FilterRegistrationBean（这种方法更为灵活，可以自己定义UrlPattern，
     * 在项目使用中你可能会因为一些很但疼的问题最后采用它， 想使用它你可能需要看官网或者已经很了解Shiro的处理原理了）
     * 2. 直接使用ShiroFilterFactoryBean（这种方法比较简单，其内部对ShiroFilter做了组装工作，无法自己定义UrlPattern，
     * 默认拦截 /*）
     *
     * @param dispatcherServlet
     * @return
     * @create  2016年1月13日
     */
//  @Bean
//  public FilterRegistrationBean filterRegistrationBean() {
//      FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
//      filterRegistration.setFilter(new DelegatingFilterProxy("shiroFilter"));
//      //  该值缺省为false,表示生命周期由SpringApplicationContext管理,设置为true则表示由ServletContainer管理  
//      filterRegistration.addInitParameter("targetFilterLifecycle", "true");
//      filterRegistration.setEnabled(true);
//      filterRegistration.addUrlPatterns("/*");// 可以自己灵活的定义很多，避免一些根本不需要被Shiro处理的请求被包含进来
//      return filterRegistration;
//  }
}

@Service
public class ShiroService {
    private static Logger Logger = LoggerFactory.getLogger(ShiroService.class);
    @Autowired
    private ResourcesService resourcesService;
    /**
     * 初始化权限
     */
    public Map<String, String> loadFilterChainDefinitions() {
        // 权限控制map.从数据库获取
        Map<String, String> filterChainDefinitionMap = new LinkedHashMap<String, String>();
        // 配置退出 过滤器,其中的具体的退出代码Shiro已经替我们实现了
        filterChainDefinitionMap.put("/logout", "logout");
        filterChainDefinitionMap.put("/assets/**", "anon");
        filterChainDefinitionMap.put("/css/**", "anon");
        filterChainDefinitionMap.put("/js/**", "anon");
        filterChainDefinitionMap.put("/img/**", "anon");
        filterChainDefinitionMap.put("/font-awesome/**", "anon");
        // <!-- 过滤链定义，从上向下顺序执行，一般将 /**放在最为下边 -->:这是一个坑呢，一不小心代码就不好使了;
        // <!-- authc:所有url都必须认证通过才可以访问; anon:所有url都都可以匿名访问-->
        // 自定义加载权限资源关系
        List<Resources> resourcesList = resourcesService.queryAll();
        for (Resources resources : resourcesList) {
            if (StringUtil.isNotEmpty(resources.getResurl())) {
                String permission = "perms[" + resources.getResurl() + "]";
                filterChainDefinitionMap.put(resources.getResurl(), permission);
            }
        }
        filterChainDefinitionMap.put("/**", "authc");
        Logger.info("初始化权限配置成功！");
        return filterChainDefinitionMap;
    }
}

@Component
public class ShiroSessionAndCache {
    @Autowired
    private RedisConfig redisConfig;
    /**
     * RedisSessionDAO shiro sessionDao层的实现 通过redis 使用的是shiro-redis开源插件
     */
    public RedisSessionDAO redisSessionDAO() {
        RedisSessionDAO redisSessionDAO = new RedisSessionDAO();
        redisSessionDAO.setRedisManager(redisConfig.redisManager());
        return redisSessionDAO;
    }
    /**
     * shiro session的管理
     */
    public DefaultWebSessionManager sessionManager() {
        DefaultWebSessionManager sessionManager = new DefaultWebSessionManager(); //session的管理，使用redis来处理session
        sessionManager.setSessionDAO(redisSessionDAO());
        return sessionManager;
    }
    /**
     * cacheManager 缓存 redis实现 使用的是shiro-redis开源插件
     * @return
     */
    public RedisCacheManager cacheManager() {
        RedisCacheManager redisCacheManager = new RedisCacheManager();
        redisCacheManager.setRedisManager(redisConfig.redisManager());
        return redisCacheManager;
    }
}

@Service
public class ShiroPermissionService {
    private static Logger Logger = LoggerFactory.getLogger(ShiroPermissionService.class);
    @Autowired
    private ShiroFilterFactoryBean shiroFilterFactoryBean;
    @Autowired
    private RedisSessionDAO redisSessionDAO;
    @Autowired
    private ShiroService shiroService;
    /**
     * 
     * 此方法描述的是：重新加载权限  刷新缓存
     * 
     * @author: Aarony
     * @version: Nov 13, 2017 10:24:25 AM
     */
    public void updatePermission() {
        synchronized (shiroFilterFactoryBean) {
            AbstractShiroFilter shiroFilter = null;
            try {
                shiroFilter = (AbstractShiroFilter) shiroFilterFactoryBean.getObject();
            } catch (Exception e) {
                throw new RuntimeException("get ShiroFilter from shiroFilterFactoryBean error!");
            }
            PathMatchingFilterChainResolver filterChainResolver = (PathMatchingFilterChainResolver) shiroFilter.getFilterChainResolver();
            DefaultFilterChainManager manager = (DefaultFilterChainManager) filterChainResolver.getFilterChainManager();
            // 清空老的权限控制
            manager.getFilterChains().clear();
            shiroFilterFactoryBean.getFilterChainDefinitionMap().clear();
            shiroFilterFactoryBean.setFilterChainDefinitionMap(shiroService.loadFilterChainDefinitions());
            // 重新构建生成
            Map<String, String> chains = shiroFilterFactoryBean.getFilterChainDefinitionMap();
            for (Map.Entry<String, String> entry : chains.entrySet()) {
                String url = entry.getKey();
                String chainDefinition = entry.getValue().trim().replace(" ", "");
                manager.createChain(url, chainDefinition);
            }
            Logger.info("更新权限成功！");
        }
    }
}

具体的shiro 可以看官网或者这个人的博客：https://blog.csdn.net/LHacker/article/details/10438387 写的蛮详细的。

1. //druid连接池配置
2.  
   @Configuration
3.  
   public class DruidConfig {
4.  
   @Bean
5.  
   public ServletRegistrationBean druidServlet() {
6.  
   ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
7.  
   // 登录查看信息的账号密码.
8.  
   servletRegistrationBean.addInitParameter("loginUsername", "admin");
9.  
   servletRegistrationBean.addInitParameter("loginPassword", "123456");
10.  
    return servletRegistrationBean;
11.  
    }
12.  
    @Bean
13.  
    public FilterRegistrationBean filterRegistrationBean() {
14.  
    FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
15.  
    filterRegistrationBean.setFilter(new WebStatFilter());
16.  
    filterRegistrationBean.addUrlPatterns("/*");
17.  
    filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
18.  
    return filterRegistrationBean;
19.  
    }
20.  
    }

1.  
   @Configuration
2.  
   @EnableCaching//开启换成配置
3.  
   public class RedisConfig extends CachingConfigurerSupport {
4.  
   private static Logger Logger = LoggerFactory.getLogger(RedisConfig.class);
5.  
   @Value("${spring.redis.host}")
6.  
   private String host;
7.  
   @Value("${spring.redis.port}")
8.  
   private int port;
9.  
   @Value("${spring.redis.timeout}")
10.  
    private int timeout;
11.  
    @Value("${spring.redis.pool.max-idle}")
12.  
    private int maxIdle;
13.  
    @Value("${spring.redis.pool.max-wait}")
14.  
    private long maxWaitMillis;
15.  
    @Bean
16.  
    public JedisPool redisPoolFactory() {
17.  
    Logger.info("开启redis，redis地址：" + host + ":" + port + ",JedisPool注入成功！！");
18.  
    JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
19.  
    jedisPoolConfig.setMaxIdle(maxIdle);
20.  
    jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
21.  
    JedisPool jedisPool = new JedisPool(jedisPoolConfig, host, port, timeout);
22.  
    return jedisPool;
23.  
    }
24.  
    /**
25.  
    * 配置shiro redisManager 使用的是shiro-redis开源插件
26.  
    *
27.  
    * @return
28.  
    */
29.  
    @Bean
30.  
    public RedisManager redisManager() {
31.  
    RedisManager redisManager = new RedisManager();
32.  
    redisManager.setHost(host);
33.  
    redisManager.setPort(port);
34.  
    redisManager.setExpire(1800);// 配置缓存过期时间
35.  
    redisManager.setTimeout(timeout);
36.  
    return redisManager;
37.  
    }
38.  
    }

1.  
   @Configuration
2.  
   public class ShiroConfig {
3.  
   /**
4.  
   * 缓存和session的管理
5.  
   */
6.  
   @Autowired
7.  
   private ShiroSessionAndCache shiroSessionAndCache;
8.  
    
9.  
   /**
10.  
    * shiro 服务
11.  
    */
12.  
    @Autowired
13.  
    private ShiroService shiroService;
14.  
    private static Logger Logger = LoggerFactory.getLogger(ShiroConfig.class);
15.  
    @Bean
16.  
    public static LifecycleBeanPostProcessor getLifecycleBeanPostProcessor() {
17.  
    return new LifecycleBeanPostProcessor();
18.  
    }
19.  
    /**
20.  
    * ShiroDialect，为了在thymeleaf里使用shiro的标签的bean
21.  
    * @return
22.  
    */
23.  
    @Bean
24.  
    public ShiroDialect shiroDialect() {
25.  
    return new ShiroDialect();
26.  
    }
27.  
    /**
28.  
    * ShiroFilterFactoryBean 处理拦截资源文件问题。 注意：单独一个ShiroFilterFactoryBean配置是或报错的，因为在
29.  
    * 初始化ShiroFilterFactoryBean的时候需要注入：SecurityManager Filter Chain定义说明
30.  
    * 1、一个URL可以配置多个Filter，使用逗号分隔
31.  
    * 2、当设置多个过滤器时，全部验证通过，才视为通过
32.  
    * 3、部分过滤器可指定参数，如perms，roles
33.  
    */
34.  
    @Bean
35.  
    public ShiroFilterFactoryBean shirFilter(org.apache.shiro.mgt.SecurityManager securityManager) {
36.  
    Logger.info("ShiroConfiguration.shirFilter()");
37.  
    ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
38.  
    // 必须设置 SecurityManager
39.  
    shiroFilterFactoryBean.setSecurityManager(securityManager);
40.  
    // 如果不设置默认会自动寻找Web工程根目录下的"/login"页面
41.  
    shiroFilterFactoryBean.setLoginUrl("/login"); //登录页面
42.  
    // 登录成功后要跳转的链接
43.  
    shiroFilterFactoryBean.setSuccessUrl("/index");//首页
44.  
    // 未授权界面;
45.  
    shiroFilterFactoryBean.setUnauthorizedUrl("/403");//错误页面
46.  
    // 拦截器. 权限配置
47.  
    Map<String, String> filterChainDefinitionMap = shiroService.loadFilterChainDefinitions();
48.  
    shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
49.  
    return shiroFilterFactoryBean;
50.  
    }
51.  
    @Bean
52.  
    public org.apache.shiro.mgt.SecurityManager securityManager() {
53.  
    DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
54.  
    // 设置realm.
55.  
    securityManager.setRealm(myShiroRealm());
56.  
    // 自定义缓存实现 使用redis ,生产环境才需要这么设置，开发环境需要清空全选，所以不建议开启这个
57.  
    // securityManager.setCacheManager(cacheManager());
58.  
    // 自定义session管理 使用redis
59.  
    securityManager.setSessionManager(shiroSessionAndCache.sessionManager());
60.  
    return securityManager;
61.  
    }
62.  
    @Bean
63.  
    public ZxShiroRealm myShiroRealm() {
64.  
    ZxShiroRealm myShiroRealm = new ZxShiroRealm();
65.  
    myShiroRealm.setCredentialsMatcher(hashedCredentialsMatcher());
66.  
    return myShiroRealm;
67.  
    }
68.  
    /**
69.  
    * 凭证匹配器 （由于我们的密码校验交给Shiro的SimpleAuthenticationInfo进行处理了
70.  
    * 所以我们需要修改下doGetAuthenticationInfo中的代码; ）
71.  
    * @return
72.  
    */
73.  
    @Bean
74.  
    public HashedCredentialsMatcher hashedCredentialsMatcher() {
75.  
    HashedCredentialsMatcher hashedCredentialsMatcher = new HashedCredentialsMatcher();
76.  
    hashedCredentialsMatcher.setHashAlgorithmName("md5");// 散列算法:这里使用MD5算法;
77.  
    hashedCredentialsMatcher.setHashIterations(2);// 散列的次数，比如散列两次，相当于 md5(md5(""));
78.  
    return hashedCredentialsMatcher;
79.  
    }
80.  
    /**
81.  
    * 开启shiro aop注解支持. 使用代理方式;所以需要开启代码支持;
82.  
    *
83.  
    * @param securityManager
84.  
    * @return
85.  
    */
86.  
    @Bean
87.  
    public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor(org.apache.shiro.mgt.SecurityManager securityManager) {
88.  
    AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor = new AuthorizationAttributeSourceAdvisor();
89.  
    authorizationAttributeSourceAdvisor.setSecurityManager(securityManager);
90.  
    return authorizationAttributeSourceAdvisor;
91.  
    }
92.  
    @Bean
93.  
    public RedisSessionDAO redisSessionDAO() {
94.  
    return shiroSessionAndCache.redisSessionDAO();
95.  
    }
96.  
    @Bean
97.  
    public DefaultWebSessionManager sessionManager() {
98.  
    return shiroSessionAndCache.sessionManager();
99.  
    }
100.  
      
101.  
     /**
102.  
     * 注册DelegatingFilterProxy（Shiro）
103.  
     * 集成Shiro有2种方法：
104.  
     * 1. 按这个方法自己组装一个FilterRegistrationBean（这种方法更为灵活，可以自己定义UrlPattern，
105.  
     * 在项目使用中你可能会因为一些很但疼的问题最后采用它， 想使用它你可能需要看官网或者已经很了解Shiro的处理原理了）
106.  
     * 2. 直接使用ShiroFilterFactoryBean（这种方法比较简单，其内部对ShiroFilter做了组装工作，无法自己定义UrlPattern，
107.  
     * 默认拦截 /*）
108.  
     *
109.  
     * @param dispatcherServlet
110.  
     * @return
111.  
     * @create 2016年1月13日
112.  
     */
113.  
     // @Bean
114.  
     // public FilterRegistrationBean filterRegistrationBean() {
115.  
     // FilterRegistrationBean filterRegistration = new FilterRegistrationBean();
116.  
     // filterRegistration.setFilter(new DelegatingFilterProxy("shiroFilter"));
117.  
     // // 该值缺省为false,表示生命周期由SpringApplicationContext管理,设置为true则表示由ServletContainer管理
118.  
     // filterRegistration.addInitParameter("targetFilterLifecycle", "true");
119.  
     // filterRegistration.setEnabled(true);
120.  
     // filterRegistration.addUrlPatterns("/*");// 可以自己灵活的定义很多，避免一些根本不需要被Shiro处理的请求被包含进来
121.  
     // return filterRegistration;
122.  
     // }
123.  
     }

1.  
   @Service
2.  
   public class ShiroService {
3.  
   private static Logger Logger = LoggerFactory.getLogger(ShiroService.class);
4.  
   @Autowired
5.  
   private ResourcesService resourcesService;
6.  
   /**
7.  
   * 初始化权限
8.  
   */
9.  
   public Map<String, String> loadFilterChainDefinitions() {
10.  
    // 权限控制map.从数据库获取
11.  
    Map<String, String> filterChainDefinitionMap = new LinkedHashMap<String, String>();
12.  
    // 配置退出 过滤器,其中的具体的退出代码Shiro已经替我们实现了
13.  
    filterChainDefinitionMap.put("/logout", "logout");
14.  
    filterChainDefinitionMap.put("/assets/**", "anon");
15.  
    filterChainDefinitionMap.put("/css/**", "anon");
16.  
    filterChainDefinitionMap.put("/js/**", "anon");
17.  
    filterChainDefinitionMap.put("/img/**", "anon");
18.  
    filterChainDefinitionMap.put("/font-awesome/**", "anon");
19.  
    // <!-- 过滤链定义，从上向下顺序执行，一般将 /**放在最为下边 -->:这是一个坑呢，一不小心代码就不好使了;
20.  
    // <!-- authc:所有url都必须认证通过才可以访问; anon:所有url都都可以匿名访问-->
21.  
    // 自定义加载权限资源关系
22.  
    List<Resources> resourcesList = resourcesService.queryAll();
23.  
    for (Resources resources : resourcesList) {
24.  
    if (StringUtil.isNotEmpty(resources.getResurl())) {
25.  
    String permission = "perms[" + resources.getResurl() + "]";
26.  
    filterChainDefinitionMap.put(resources.getResurl(), permission);
27.  
    }
28.  
    }
29.  
    filterChainDefinitionMap.put("/**", "authc");
30.  
    Logger.info("初始化权限配置成功！");
31.  
    return filterChainDefinitionMap;
32.  
    }
33.  
    }

1.  
   @Component
2.  
   public class ShiroSessionAndCache {
3.  
   @Autowired
4.  
   private RedisConfig redisConfig;
5.  
   /**
6.  
   * RedisSessionDAO shiro sessionDao层的实现 通过redis 使用的是shiro-redis开源插件
7.  
   */
8.  
   public RedisSessionDAO redisSessionDAO() {
9.  
   RedisSessionDAO redisSessionDAO = new RedisSessionDAO();
10.  
    redisSessionDAO.setRedisManager(redisConfig.redisManager());
11.  
    return redisSessionDAO;
12.  
    }
13.  
    /**
14.  
    * shiro session的管理
15.  
    */
16.  
    public DefaultWebSessionManager sessionManager() {
17.  
    DefaultWebSessionManager sessionManager = new DefaultWebSessionManager(); //session的管理，使用redis来处理session
18.  
    sessionManager.setSessionDAO(redisSessionDAO());
19.  
    return sessionManager;
20.  
    }
21.  
    /**
22.  
    * cacheManager 缓存 redis实现 使用的是shiro-redis开源插件
23.  
    * @return
24.  
    */
25.  
    public RedisCacheManager cacheManager() {
26.  
    RedisCacheManager redisCacheManager = new RedisCacheManager();
27.  
    redisCacheManager.setRedisManager(redisConfig.redisManager());
28.  
    return redisCacheManager;
29.  
    }
30.  
    }

1.  
   @Service
2.  
   public class ShiroPermissionService {
3.  
   private static Logger Logger = LoggerFactory.getLogger(ShiroPermissionService.class);
4.  
   @Autowired
5.  
   private ShiroFilterFactoryBean shiroFilterFactoryBean;
6.  
   @Autowired
7.  
   private RedisSessionDAO redisSessionDAO;
8.  
   @Autowired
9.  
   private ShiroService shiroService;
10.  
    /**
11.  
    *
12.  
    * 此方法描述的是：重新加载权限 刷新缓存
13.  
    *
14.  
    * @author: Aarony
15.  
    * @version: Nov 13, 2017 10:24:25 AM
16.  
    */
17.  
    public void updatePermission() {
18.  
    synchronized (shiroFilterFactoryBean) {
19.  
    AbstractShiroFilter shiroFilter = null;
20.  
    try {
21.  
    shiroFilter = (AbstractShiroFilter) shiroFilterFactoryBean.getObject();
22.  
    } catch (Exception e) {
23.  
    throw new RuntimeException("get ShiroFilter from shiroFilterFactoryBean error!");
24.  
    }
25.  
    PathMatchingFilterChainResolver filterChainResolver = (PathMatchingFilterChainResolver) shiroFilter.getFilterChainResolver();
26.  
    DefaultFilterChainManager manager = (DefaultFilterChainManager) filterChainResolver.getFilterChainManager();
27.  
    // 清空老的权限控制
28.  
    manager.getFilterChains().clear();
29.  
    shiroFilterFactoryBean.getFilterChainDefinitionMap().clear();
30.  
    shiroFilterFactoryBean.setFilterChainDefinitionMap(shiroService.loadFilterChainDefinitions());
31.  
    // 重新构建生成
32.  
    Map<String, String> chains = shiroFilterFactoryBean.getFilterChainDefinitionMap();
33.  
    for (Map.Entry<String, String> entry : chains.entrySet()) {
34.  
    String url = entry.getKey();
35.  
    String chainDefinition = entry.getValue().trim().replace(" ", "");
36.  
    manager.createChain(url, chainDefinition);
37.  
    }
38.  
    Logger.info("更新权限成功！");
39.  
    }
40.  
    }
41.  
    }

具体的shiro 可以看官网或者这个人的博客：https://blog.csdn.net/LHacker/article/details/10438387 写的蛮详细的。