使用redisTemplate存储数据,出现\xAC\xED\x00\x05t\x00

2019/07/31 09:17
阅读数 232

本文开发环境:SpringBoot+RedisTemplate

代码:

/**
     * 缓存Map
     *
     * @param key
     * @param dataMap
     * @return
     */
    @Override
    public <T> HashOperations<String, String, T> setCacheMap(String key, Map<String, T> dataMap) {

        HashOperations hashOperations = redisTemplate.opsForHash();
        if (null != dataMap) {
            for (Map.Entry<String, T> entry : dataMap.entrySet()) {
                hashOperations.put(key, entry.getKey(), entry.getValue());
            }
        }
        return hashOperations;
    }

存到数据库,发现key,hash key/value都有\xAC\xED\x00\x05t\x00前缀。

后来添加了一个配置内,如下:

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
public class RedisConfig  {

    @Bean
    public RedisTemplate redisTemplate(RedisConnectionFactory connectionFactory) {

        RedisTemplate template = new RedisTemplate<>();

        template.setConnectionFactory(connectionFactory);

        //使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值
//
        Jackson2JsonRedisSerializer serializer = new Jackson2JsonRedisSerializer(Object.class);

        ObjectMapper mapper = new ObjectMapper();

        mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);

        mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);

        serializer.setObjectMapper(mapper);

        template.setValueSerializer(serializer);

        //使用StringRedisSerializer来序列化和反序列化redis的key值

        template.setKeySerializer(new StringRedisSerializer());


        /*hash字符串序列化方法*/
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setHashValueSerializer(new StringRedisSerializer());

        template.afterPropertiesSet();

        return template;

    }

}

添加那3行代码解决问题。如果不使用json功能,注释ObjectMapper相关代码

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