package edu.whut.config; import com.google.common.cache.Cache; import com.google.common.cache.CacheBuilder; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import java.util.concurrent.TimeUnit; @Configuration public class GuavaConfig { @Bean(name = "cache") public Cache cache() { return CacheBuilder.newBuilder() .expireAfterWrite(3, TimeUnit.SECONDS) .build(); } }