RedisCacheManager 序列化

@Configuration
public class RedisCacheManagerConfig {
    @Bean
    public RedisCacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
        // 分别创建String和JSON格式序列化对象，对缓存数据key和value进行转换
        RedisSerializer<String> strSerializer = new StringRedisSerializer();
        Jackson2JsonRedisSerializer jacksonSerial = new Jackson2JsonRedisSerializer(Object.class);
        // 解决查询缓存转换异常的问题
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        // om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        om.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL, JsonTypeInfo.As.PROPERTY); // 上面注释过时代码的替代方法
        jacksonSerial.setObjectMapper(om);
        // 定制缓存数据序列化方式及时效
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofDays(1)) // 设置缓存数据的时效（设置为了1天）
                .serializeKeysWith(RedisSerializationContext.SerializationPair
                        .fromSerializer(strSerializer)) // 对当前对象的key使用strSerializer这个序列化对象，进行转换
                .serializeValuesWith(RedisSerializationContext.SerializationPair
                        .fromSerializer(jacksonSerial)) // 对value使用jacksonSerial这个序列化对象，进行转换
                .disableCachingNullValues();
        RedisCacheManager cacheManager = RedisCacheManager
                .builder(redisConnectionFactory).cacheDefaults(config).build();
        return cacheManager;
    }
}