1.首先需要maven引入
<dependency><artifactId>jackson-datatype-jsr310</artifactId><groupId>com.fasterxml.jackson.datatype</groupId><version>2.15.3</version></dependency>

        2.示例代码如下

  private RedisTemplate<String, Object> serializer(RedisTemplate<String, Object> redisTemplate) {// LocalDate序列化ObjectMapper mapper = new ObjectMapper();JavaTimeModule javaTimeModule = new JavaTimeModule();// 设置序列化格式javaTimeModule.addSerializer(LocalDateTime.class,new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));mapper.registerModule(javaTimeModule);// 使用 FastJsonRedisSerializer 来序列化和反序列化redis 的 value的值Jackson2JsonRedisSerializer<Object> fastJsonRedisSerializer = new Jackson2JsonRedisSerializer<>(mapper,Object.class);// key 的 String 序列化采用 StringRedisSerializerStringRedisSerializer stringRedisSerializer = new StringRedisSerializer();redisTemplate.setKeySerializer(stringRedisSerializer);redisTemplate.setHashKeySerializer(stringRedisSerializer);// value 的值序列化采用 fastJsonRedisSerializerredisTemplate.setValueSerializer(fastJsonRedisSerializer);redisTemplate.setHashValueSerializer(fastJsonRedisSerializer);redisTemplate.afterPropertiesSet();return redisTemplate;}