spring提供了對echache、guava、jcache的支持，先看一個echache的示例：

import org.springframework.cache.CacheManager; import org.springframework.cache.annotation.EnableCaching; import org.springframework.cache.ehcache.EhCacheCacheManager; import org.springframework.cache.ehcache.EhCacheManagerFactoryBean; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.core.io.ClassPathResource;@Configuration @EnableCaching @ComponentScan({ "com.mkyong.*" }) public class AppConfig {@Beanpublic CacheManager cacheManager() {return new EhCacheCacheManager(ehCacheCacheManager().getObject());}@Beanpublic EhCacheManagerFactoryBean ehCacheCacheManager() {EhCacheManagerFactoryBean cmfb = new EhCacheManagerFactoryBean();cmfb.setConfigLocation(new ClassPathResource("ehcache.xml"));cmfb.setShared(true);return cmfb;}/*@Beanpublic CacheManager defaultCacheManager() {return new ConcurrentMapCacheManager("books");}*/}

其中 echache.xml文件如下：

<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:noNamespaceSchemaLocation="ehcache.xsd" updateCheck="true"monitoring="autodetect" dynamicConfig="true"><!-- <diskStore path="java.io.tmpdir" /> --><diskStore path="c:\\cache" /><cache name="movieFindCache" maxEntriesLocalHeap="10000"maxEntriesLocalDisk="1000" eternal="false" diskSpoolBufferSizeMB="20"timeToIdleSeconds="300" timeToLiveSeconds="600"memoryStoreEvictionPolicy="LFU" transactionalMode="off"><persistence strategy="localTempSwap" /></cache></ehcache>

緩存的使用：

@Repository("movieDao") public class MovieDaoImpl implements MovieDao{@Cacheable(value="movieFindCache", key="#name")public Movie findByDirector(String name) {slowQuery(2000L);System.out.println("findByDirector is running...");return new Movie(1,"Forrest Gump","Robert Zemeckis");}private void slowQuery(long seconds){try {Thread.sleep(seconds);} catch (InterruptedException e) {throw new IllegalStateException(e);}}}

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參考文獻：

【1】http://www.mkyong.com/spring/spring-caching-and-ehcache-example/

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轉載于:https://www.cnblogs.com/davidwang456/p/5695630.html

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