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key乱码问题
因redis默认使用JdkSerializationRedisSerializer来进行序列化，造成key是乱码，如下：
keys ‘*!report:flag:phon*’
1) “\xac\xed\x00\x05t\x00!report:flag:phone_156464”
2) “\xac\xed\x00\x05t\x00!report:flag:phone_198946”
3) “\xac\xed\x00\x05t\x00!report:flag:phone_183302”
解决key乱码
补充知识：redis key和value的乱码问题解决，含日期转化格式问题在项目中，遇到的问题是redis的key和value出现的乱码问题：在这里插入图片描述
而原本的内容为下：
{"status":"success","data":{"id":3,"title":"花林","price":99,"stock":81,"description":"美女一只","sales":17,"imgUrl":"https://xiaolei1996.oss-cn-shanghai.aliyuncs.com/blog/title/we1.jpg","promoStatus":2,"promoPrice":50,"promoId":1,"startDate":"2020-03-23 21:50:59"}}原因： 是因为和redis内部的编码协议出现了问题，所以需要改进。spring提供了一个优化方案。springboot的redisTemplate改进。
@Component@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 3600)public class RedisConfig {@Beanpublic RedisTemplate redisTemplate(RedisConnectionFactory factory){RedisTemplate redisTemplate = new RedisTemplate();redisTemplate.setConnectionFactory(factory);//首先解决key的序列化问题StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();redisTemplate.setKeySerializer(stringRedisSerializer);//解决value的序列化问题Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);return redisTemplate;}}比之前好了，但是还有点小问题，json的数据比以前多了，这是因为日期的转化出现问题，这块的知识触及盲区，就先把解决方案写下面，以后有时间在研究。
public class JodaDateTimeJsonSerializer extends JsonSerializer<DateTime> {@Overridepublic void serialize(DateTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {gen.writeString(value.toString("yyyy-MM-dd HH:mm:ss"));}}public class JodaDateTimeJsonDeserializer extends JsonDeserializer<DateTime> {@Overridepublic DateTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {String dateString= p.readValueAs(String.class);DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss");return DateTime.parse(dateString,dateTimeFormatter);//转成}}@Component@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 3600)public class RedisConfig {@Beanpublic RedisTemplate redisTemplate(RedisConnectionFactory factory){RedisTemplate redisTemplate = new RedisTemplate();redisTemplate.setConnectionFactory(factory);//首先解决key的序列化问题StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();redisTemplate.setKeySerializer(stringRedisSerializer);//解决value的序列化问题Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);//改进日期转化问题ObjectMapper objectMapper = new ObjectMapper();SimpleModule simpleModule = new SimpleModule();simpleModule.addSerializer(DateTime.class,new JodaDateTimeJsonSerializer());simpleModule.addDeserializer(DateTime.class,new JodaDateTimeJsonDeserializer());//解决反序列化问题 objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);objectMapper.registerModule(simpleModule);jackson2JsonRedisSerializer.setObjectMapper(objectMapper);redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);return redisTemplate;}}最后终于出现了预期的效果
以上这篇redis 解决key的乱码问题,并清理详解就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。
