SpringBoot整合Redis的方法
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架构
方案
使用redis集中存储，实现分布式集群共享用户信息，这里我们采用第三方开源插件crazycake来实现，pom.xml引入：
org.springframework.bootspring-boot-starter-data-redisorg.crazycakeshiro-redis3.2.3
配置application.properties：
#Redis#数据库索引（默认为0）redis.database=0#服务器地址变更为自己的redis.host=127.0.0.1#服务器连接端口redis.port=6379#服务器连接密码，如果不设置密码注释掉即可#redis.password=#连接超时时间（毫秒）redis.timeout=30000
本来crazycake插件已经实现了RedisManager，但是参数不可配，这里我们需要自己重写一下：
publicclassRedisManagerextendsWorkAloneRedisManagerimplementsIRedisManager{privateRedisPropertiesredis;privateJedisPooljedisPool;publicRedisManager(RedisPropertiesredis){this.redis=redis;}privatevoidinit(){synchronized(this){if(this.jedisPool==null){this.jedisPool=newJedisPool(this.getJedisPoolConfig(),redis.getHost(),redis.getPort(),redis.getTimeout(),redis.getPassword(),redis.getDatabase());}}}@OverrideprotectedJedisgetJedis(){if(this.jedisPool==null){this.init();}returnthis.jedisPool.getResource();}}
参数配置RedisProperties：
@Data@ConfigurationProperties(prefix="redis")publicclassRedisProperties{privateStringhost;privateintport;privateinttimeout;privateStringpassword;privateintdatabase;}
配置ShiroConfig：
/***Shiro权限配置*一定要配置@Configuration和@EnableConfigurationProperties注解*/@Configuration@EnableConfigurationProperties({RedisProperties.class})publicclassShiroConfig{privateRedisPropertiesredis;publicShiroConfig(RedisPropertiesredis){this.redis=redis;}@BeanpublicUserRealmuserRealm(){returnnewUserRealm();}@BeanpublicShiroFilterFactoryBeanshiroFilterFactoryBean(SecurityManagersecurityManager){ShiroFilterFactoryBeanshiroFilterFactoryBean=newShiroFilterFactoryBean();shiroFilterFactoryBean.setSecurityManager(securityManager);shiroFilterFactoryBean.setLoginUrl("/index.html");shiroFilterFactoryBean.setUnauthorizedUrl("/403");//拦截器MapfilterChainDefinitionMap=newLinkedHashMap<>();/***静态文件*/filterChainDefinitionMap.put("/file/**","anon");/***登录注册*/filterChainDefinitionMap.put("/register.shtml","anon");filterChainDefinitionMap.put("/login.shtml","anon");/***管理后台*/filterChainDefinitionMap.put("/sys/**","roles[admin]");filterChainDefinitionMap.put("/**","authc");shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);returnshiroFilterFactoryBean;}@BeanpublicSessionsSecurityManagersecurityManager(){DefaultWebSecurityManagersecurityManager=newDefaultWebSecurityManager();securityManager.setRealm(userRealm());securityManager.setCacheManager(cacheManager());securityManager.setSessionManager(sessionManager());returnsecurityManager;}@BeanpublicDefaultWebSessionManagersessionManager(){DefaultWebSessionManagersessionManager=newDefaultWebSessionManager();sessionManager.setSessionIdUrlRewritingEnabled(false);sessionManager.setSessionDAO(redisSessionDAO());returnsessionManager;}@BeanpublicShiroDialectshiroDialect(){returnnewShiroDialect();}/***cacheManager缓存redis实现*@return*/publicRedisCacheManagercacheManager(){RedisCacheManagerredisCacheManager=newRedisCacheManager();redisCacheManager.setRedisManager(redisManager());returnredisCacheManager;}/***配置shiroredisManager*@return*/publicRedisManagerredisManager(){RedisManagerredisManager=newRedisManager(redis);returnredisManager;}/***RedisSessionDAOshirosessionDao层的实现*原理就是重写AbstractSessionDAO*有兴趣的小伙伴自行阅读源码*/@BeanpublicRedisSessionDAOredisSessionDAO(){RedisSessionDAOredisSessionDAO=newRedisSessionDAO();redisSessionDAO.setRedisManager(redisManager());returnredisSessionDAO;}
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