Springboot|Springboot 注解 @Cacheable自定义单个key设置expire超时时间并在配置文件里配置 Springboot注解@Cacheable自定义单个

Springboot RedisCacheManager 类的配置指定key的过期时间并在配置文件里配置
目的&效果在springBoot中配置了RedisCache，当使用@Cacheable注解时，默认为redisCache，通过在配置文件里设置不同key的过期时间，达到可自定义key过期时间的效果。
方案
step 1 新建一个Map类,用于存放要设置的key

@ConfigurationProperties public class Properties { private final Map initCaches = Maps.newHashMap(); public Map getInitCaches() { return initCaches; } }

step2 在redis配置类里编写cacheManager,并将map set进去

@Autowired private Properties properties; @Bean public CacheManager cacheManager(RedisConnectionFactory connectionFactory) { RedisCacheConfiguration defaultCacheConfig = RedisCacheConfiguration.defaultCacheConfig() .entryTtl(Duration.ofMinutes(10)).disableCachingNullValues(); RedisCacheWriter redisCacheWriter = RedisCacheWriter.nonLockingRedisCacheWriter(connectionFactory); ImmutableSet.Builder cacheNames = ImmutableSet.builder(); ImmutableMap.Builder cacheConfig = ImmutableMap.builder(); for (Map.Entry entry : properties.getInitCaches().entrySet()) { cacheNames.add(entry.getKey()); cacheConfig.put(entry.getKey(), defaultCacheConfig.entryTtl(entry.getValue())); } return RedisCacheManager.builder(redisCacheWriter) .cacheDefaults(defaultCacheConfig) .initialCacheNames(cacheNames.build()) .withInitialCacheConfigurations(cacheConfig.build()) .build(); }

step3 在Springboot yml文件里配置相关的key的过期时间就可以指定@Cacheable的value的过期时间