本篇内容介绍了“SpringBoot整合redis的方法”的有关知识,在实际案例的操作过程中,不少人都会遇到这样的困境,接下来就让小编带领大家学习一下如何处理这些情况吧!希望大家仔细阅读,能够学有所成!
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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.boot spring-boot-starter-data-redis org.crazycake shiro-redis 3.2.3
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:
public class RedisManager extends WorkAloneRedisManager implements IRedisManager {
private RedisProperties redis;
private JedisPool jedisPool;
public RedisManager(RedisProperties redis) {
this.redis = redis;
}
private void init() {
synchronized(this) {
if (this.jedisPool == null) {
this.jedisPool = new JedisPool(this.getJedisPoolConfig(), redis.getHost(), redis.getPort(),
redis.getTimeout(), redis.getPassword(), redis.getDatabase());
}
}
}
@Override
protected Jedis getJedis() {
if (this.jedisPool == null) {
this.init();
}
return this.jedisPool.getResource();
}
}参数配置 RedisProperties:
@Data
@ConfigurationProperties(prefix = "redis")
public class RedisProperties {
private String host;
private int port;
private int timeout;
private String password;
private int database;
}配置 ShiroConfig:
/**
* Shiro权限配置
* 一定要配置 @Configuration 和 @EnableConfigurationProperties 注解
*/
@Configuration
@EnableConfigurationProperties({RedisProperties.class})
public class ShiroConfig {
private RedisProperties redis;
public ShiroConfig(RedisProperties redis) {
this.redis = redis;
}
@Bean
public UserRealm userRealm() {
return new UserRealm();
}
@Bean
public ShiroFilterFactoryBean shiroFilterFactoryBean (SecurityManager securityManager) {
ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
shiroFilterFactoryBean.setSecurityManager(securityManager);
shiroFilterFactoryBean.setLoginUrl("/index.html");
shiroFilterFactoryBean.setUnauthorizedUrl("/403");
// 拦截器
Map filterChainDefinitionMap = new LinkedHashMap<>();
/**
* 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);
return shiroFilterFactoryBean;
}
@Bean
public SessionsSecurityManager securityManager() {
DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
securityManager.setRealm(userRealm());
securityManager.setCacheManager(cacheManager());
securityManager.setSessionManager(sessionManager());
return securityManager;
}
@Bean
public DefaultWebSessionManager sessionManager() {
DefaultWebSessionManager sessionManager = new DefaultWebSessionManager();
sessionManager.setSessionIdUrlRewritingEnabled(false);
sessionManager.setSessionDAO(redisSessionDAO());
return sessionManager;
}
@Bean
public ShiroDialect shiroDialect(){
return new ShiroDialect();
}
/**
* cacheManager 缓存 redis实现
* @return
*/
public RedisCacheManager cacheManager() {
RedisCacheManager redisCacheManager = new RedisCacheManager();
redisCacheManager.setRedisManager(redisManager());
return redisCacheManager;
}
/**
* 配置shiro redisManager
* @return
*/
public RedisManager redisManager() {
RedisManager redisManager = new RedisManager(redis);
return redisManager;
}
/**
* RedisSessionDAO shiro sessionDao层的实现
* 原理就是重写 AbstractSessionDAO
* 有兴趣的小伙伴自行阅读源码
*/
@Bean
public RedisSessionDAO redisSessionDAO() {
RedisSessionDAO redisSessionDAO = new RedisSessionDAO();
redisSessionDAO.setRedisManager(redisManager());
return redisSessionDAO;
} “SpringBoot整合Redis的方法”的内容就介绍到这里了,感谢大家的阅读。如果想了解更多行业相关的知识可以关注创新互联网站,小编将为大家输出更多高质量的实用文章!