如何在Spring Boot微服务使用ValueOperations操作Redis集群String字符串

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-redis</artifactId>
  <version>2.6.3</version>
</dependency>

spring:
  redis:
    cluster:
      nodes:
        - 192.168.19.161:27001
        - 192.168.19.161:27002
        - 192.168.19.162:27001
        - 192.168.19.162:27002
        - 192.168.19.163:27001
        - 192.168.19.163:27002
    password: demo12345678
    timeout: 60000

@Configuration
public class RedisConfig {
  @Bean("redisTemplate")
  public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory lettuceConnectionFactory) {
      // 1.创建RedisTemplate对象
      RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>();
      // 2.加载Redis配置
      redisTemplate.setConnectionFactory(lettuceConnectionFactory);
      // 3.配置key序列化
      RedisSerializer<?> stringRedisSerializer = new StringRedisSerializer();
      redisTemplate.setKeySerializer(stringRedisSerializer);
      redisTemplate.setHashKeySerializer(stringRedisSerializer);
      // 4.配置Value序列化
      Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
      ObjectMapper objMapper = new ObjectMapper();
      objMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
      objMapper.activateDefaultTyping(objMapper.getPolymorphicTypeValidator(), ObjectMapper.DefaultTyping.NON_FINAL);
      jackson2JsonRedisSerializer.setObjectMapper(objMapper);
      redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
      redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
      // 5.初始化RedisTemplate
      redisTemplate.afterPropertiesSet();
      return redisTemplate;
  }
  @Bean
  public ValueOperations<String, Object> valueOperations(RedisTemplate<String, Object> redisTemplate) {
      return redisTemplate.opsForValue();
  }
}

@RestController
@RequestMapping("/hub/example/operateCluster")
@Slf4j
public class OperateClusterController {
  @Autowired
  private RedisTemplate redisTemplate;
  @Autowired
  private ValueOperations valueOperations;
  /**
   * 使用ValueOperations,操作String类型数据
   */
  @GetMapping("/f02")
  public Object f02() {
      log.info("ValueOperations操作Redis集群开始...");
      // 1.增
      valueOperations.set("D:2023060802:01", "浙江-杭州");
      valueOperations.set("D:2023060802:02", "浙江-萧山");
      // 2.查
      Object result01 = valueOperations.get("D:2023060802:01");
      log.info("查询 D:2023060802:01 = " + result01.toString());
      // 3.改
      valueOperations.set("D:2023060802:01", "浙江-宁波");
      result01 = valueOperations.get("D:2023060802:01");
      log.info("修改后,查询 D:2023060802:01 = " + result01.toString());
      // 4.删
      long time = 5000;
      log.info("{}秒后,删除D:2023060802:01.", time / 1000);
      ThreadUtil.sleep(time);
      String result02 = (String) valueOperations.getAndDelete("D:2023060802:01");
      redisTemplate.delete("D:2023060802:02");
      // 5.1设置超时(方式一)
      valueOperations.set("D:2023060802:03", "浙江-杭州");
      valueOperations.getAndExpire("D:2023060802:03", 5, TimeUnit.MINUTES);
      // 5.2设置超时(方式二)
      valueOperations.set("D:2023060802:04", "浙江-杭州-西湖");
      redisTemplate.expire("D:2023060802:04", 10, TimeUnit.MINUTES);
      // 6.查询Value的字节大小
      Long size = valueOperations.size("D:2023060802:04");
      log.info("缓存字节大小,size=" + size + " bytes");
      log.info("ValueOperations操作Redis集群结束...");
      return "执行成功";
  }
}