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  • Springboot中redisTemplate乱码或json转换问题

    问题1

    用RedisTemplate存入map值的时候,用rdm可视化打开,看到的是转码之后的数据,如图:

    w1.png

    存入的方法为:

    public boolean hmset(String key, Map<String, Object> map) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            return true;
        } catch (Exception e) {
            log.error(key, e);
            return false;
        }
    }
    

    问题2

    存入的json字符串取出来后不能转换错误

    w3.png

    解决办法

    @Resource
    private RedisConnectionFactory redisConnectionFactory;
    
    @Bean
    public RedisTemplate redisTemplate() {
        RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
        // 防止乱码
        RedisSerializer stringSerializer = new StringRedisSerializer();
        redisTemplate.setKeySerializer(stringSerializer);
        redisTemplate.setValueSerializer(jackson2JsonRedisSerializer); //解决json转换
        redisTemplate.setHashKeySerializer(stringSerializer);
        redisTemplate.setHashValueSerializer(stringSerializer);//解决哈唏值转换
        redisTemplate.afterPropertiesSet();
        return redisTemplate;
    }
    

    w2.png

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  • 原文地址:https://www.cnblogs.com/pigmen/p/14096462.html
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