<dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-cache</artifactId>

        </dependency>

        <dependency>

            <groupId>com.google.guava</groupId>

            <artifactId>guava</artifactId>

            <version>21.0</version>

        </dependency>

#spring配置

spring:

  application:

    name: cardmember

  datasource:

  cache:

    type: guava

    cache-names: merchantDetail,selConfig #缓存名字

    guava:

      spec: maximumSize=500,expireAfterWrite=5m

public enum CacheType {

    GENERIC,

    JCACHE,

    EHCACHE,

    HAZELCAST,

    INFINISPAN,

    COUCHBASE,

    REDIS,

    CAFFEINE,

    /** @deprecated */

    @Deprecated

    GUAVA,

    SIMPLE,

    NONE;

    private CacheType() {

    }

}

 @Cacheable(value = "merchantDetail")

    public Map checkMerchantInfo(String merchantID) {

        Map<String, String> map = merchantMapper.findAppCardMerchantById(merchantID);

        logger.info("------商户详情从数据库中获取-----:{}", map);

        return map;

    }