Spring Boot 缓存 与 Redis问题小结

    @Bean
    public KeyGenerator paramsKeyGenerator() {
        return ((target, method, params) -> {
           StringBuilder sb = new StringBuilder();
           sb.append(target.getClass().getSimpleName());
           sb.append("::");
           sb.append(method.getName());
           for (Object obj : params) {
               sb.append("::");
               sb.append(obj.toString());
           }
           return sb.toString();
        });
    }

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

@Configuration
@EnableCaching
public class CacheConfig {
    @Bean
    public CacheManager cacheManager(RedisConnectionFactory factory) {
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofMinutes(30))
                .disableCachingNullValues() // 避免缓存穿透
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));
        return RedisCacheManager.builder(factory)
                .cacheDefaults(config)
                .build();
    }
}