spring boot 1.5.6 redis 解决session共享

最新推荐文章于 2022-10-20 10:19:29 发布

tj_boce_gjp

最新推荐文章于 2022-10-20 10:19:29 发布

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分类专栏： spring 文章标签： redis session

本文链接：https://blog.youkuaiyun.com/gjp014/article/details/84910726

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本文介绍如何使用Spring Session与Redis进行集成以实现分布式会话管理。通过配置依赖、设置会话超时时间及自定义键生成器等步骤，实现了一个完整的示例。此外，还详细展示了如何配置RedisTemplate以实现序列化和反序列化。

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1.下载：
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.0</version>
</dependency>

<dependency>
<groupId>org.springframework.session</groupId>
<artifactId>spring-session</artifactId>
</dependency>

2.设置

/**
* Redis 缓存配置 session 时间：30分
*/
@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 1800,redisNamespace = "boce")
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport{

@Bean
public KeyGenerator keyGenerator() {
return new KeyGenerator() {
@Override
public Object generate(Object target, Method
method, Object... params) {
StringBuilder sb = new StringBuilder();
sb.append(target.getClass().getName());
sb.append(method.getName());
for (Object obj : params) {
sb.append(obj.toString());
}
return sb.toString();
}
};
}

@Bean
public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {

StringRedisTemplate template = new StringRedisTemplate(factory);
Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
ObjectMapper om = new ObjectMapper();
om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
jackson2JsonRedisSerializer.setObjectMapper(om);

template.setValueSerializer(jackson2JsonRedisSerializer);
template.afterPropertiesSet();
return template;
}

@Bean
public CacheManager cacheManager(RedisTemplate redisTemplate) {
RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
cacheManager.setDefaultExpiration(60*60*24*60);//设置过期时间（秒）
return cacheManager;
}
}

测试信息，查看redis信息：
12) "spring:session:boce:sessions:c5fa71bd-cdb1-47d7-aa13-79137c15f9d2"
13) "PARENT_AREA_KEY100130000000000"
14) "SYSTEM_AREA_CODE_PRE100150000000000"
15) "17705315389_user"
16) "spring:session:boce:sessions:expires:c5fa71bd-cdb1-47d7-aa13-79137c15f9d2"