Redis序列化与反序列化工具类

/**

 * @Author Hanson
 * @Date 2020/4/6 14:02
 * @Version 2.0
 */
@Configuration
//开启注解缓存
@EnableCaching
public class RedisConfig {


    @SuppressWarnings("AliDeprecation")
    @Bean
    public RedisTemplate<String,Object> redisTemplate(RedisConnectionFactory factory){

        //创建redisTemplate模板
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();

        //配置连接工厂
        redisTemplate.setConnectionFactory(factory);

        //使用Jackson2JsonRedisSerializer来序列化和反序列化Redis的value值(默认使用JDK的序列化方式)
        Jackson2JsonRedisSerializer jsonRedisSerializer = new Jackson2JsonRedisSerializer<>(Object.class);

        ObjectMapper objectMapper = new ObjectMapper();

        //指定要序列化的域,field,get和set,以及修饰符范围,ANY表示都有包括private和public
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);

        //指定序列化输入的类型,类必须是非final修饰的,final修饰的类,比如String,Integer等会抛出异常
        objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jsonRedisSerializer.setObjectMapper(objectMapper);

        //设置value的序列化规则和key的序列化规则
        redisTemplate.setValueSerializer(jsonRedisSerializer);
        redisTemplate.setHashValueSerializer(jsonRedisSerializer);

        //使用StringRedisSerializer来序列化和反序列化Redis的key值
        redisTemplate.setKeySerializer(new StringRedisSerializer());

        //设置hash key和value序列化模式
        redisTemplate.setHashKeySerializer(redisTemplate.getKeySerializer());
        redisTemplate.afterPropertiesSet();
        //返回redisTemplate对象
        return redisTemplate;
    }
}