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@Configurationpublic class RedisConfig {
     @Bean(name = "redisTemplate")  public RedisTemplate
   
     getRedisTemplate(RedisConnectionFactory factory) {
       RedisTemplate
    
      redisTemplate = new RedisTemplate
     
      ();    redisTemplate.setConnectionFactory(factory);    // key的序列化类型    redisTemplate.setKeySerializer(new StringRedisSerializer());    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);    // value的序列化类型    redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);    return redisTemplate;  }}
     
    
   

设置redistemplate的key类型为string

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