Spring @Cacheable指定失效时间

interface CacheNames{
    String CACHE_15MINS = "sssss:cache:15m";
        /** 30分钟缓存组 */
    String CACHE_30MINS = "sssss:cache:30m";
        /** 60分钟缓存组 */
    String CACHE_60MINS = "sssss:cache:60m";
        /** 180分钟缓存组 */
    String CACHE_180MINS = "sssss:cache:180m";
}

@Component
 public class RedisCacheCustomizer
            implements CacheManagerCustomizer {
        /** CacheManager缓存自定义初始化比较早，尽量不要@autowired 其他spring 组件 */
        @Override
        public void customize(RedisCacheManager cacheManager) {
            // 自定义缓存名对应的过期时间
            Map expires = ImmutableMap.builder()
                    .put(CacheNames.CACHE_15MINS, TimeUnit.MINUTES.toSeconds(15))
                    .put(CacheNames.CACHE_30MINS, TimeUnit.MINUTES.toSeconds(30))
                    .put(CacheNames.CACHE_60MINS, TimeUnit.MINUTES.toSeconds(60))
                    .put(CacheNames.CACHE_180MINS, TimeUnit.MINUTES.toSeconds(180)).build();
            // spring cache是根据cache name查找缓存过期时长的，如果找不到，则使用默认值
            cacheManager.setDefaultExpiration(TimeUnit.MINUTES.toSeconds(30));
            cacheManager.setExpires(expires);
        }
    }


  @Cacheable(key = "key", cacheNames = CacheNames.CACHE_15MINS)
    public String demo2(String key) {
        return "abc" + key;
  }