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SpringBoot配置Redis缓存json格式

昊天
2021-04-05 / 0 评论 / 0 点赞 / 5 阅读 / 0 字
@Configuration
@EnableCaching //开启注解
public class  RedisConfig {
    private static final String    DEFAULT_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
    /** 默认日期格式 */
    private static final String    DEFAULT_DATE_FORMAT      = "yyyy-MM-dd";
    /** 默认时间格式 */
    private static final String    DEFAULT_TIME_FORMAT      = "HH:mm:ss";

    @Autowired
    private LettuceConnectionFactory lettuceConnectionFactory;

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        Jackson2JsonRedisSerializer<Object> serializer = new Jackson2JsonRedisSerializer<Object>(
                Object.class);
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);

        //LocalDateTime系列序列化和反序列化模块,继承自jsr310,我们在这里修改了日期格式
        JavaTimeModule javaTimeModule = new JavaTimeModule();
        javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(
                DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)));
        javaTimeModule.addSerializer(LocalDate.class,
                new LocalDateSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)));
        javaTimeModule.addSerializer(LocalTime.class,
                new LocalTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)));
        javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(
                DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)));
        javaTimeModule.addDeserializer(LocalDate.class,
                new LocalDateDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)));
        javaTimeModule.addDeserializer(LocalTime.class,
                new LocalTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)));
        objectMapper.registerModule(javaTimeModule);

        serializer.setObjectMapper(objectMapper);

        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(serializer);
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashValueSerializer(serializer);
        redisTemplate.afterPropertiesSet();

        return redisTemplate;
    }

    @Bean
    public RedisCacheManager redisCacheManager(RedisTemplate<String, Object> redisTemplate) {
        RedisCacheWriter redisCacheWriter = RedisCacheWriter
                .nonLockingRedisCacheWriter(redisTemplate.getConnectionFactory());
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration
                .defaultCacheConfig().serializeValuesWith(
                        RedisSerializationContext.SerializationPair.fromSerializer(redisTemplate
                                .getValueSerializer())).entryTtl(Duration.ofHours(5));
        return new RedisCacheManager(redisCacheWriter, redisCacheConfiguration);
    }
}
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