1.引入需要的jar

2.配置ehcache，ehcache.xml内容如下：

<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   xsi:noNamespaceSchemaLocation="ehcache.xsd">     <defaultCache maxElementsInMemory="10000" eternal="false"    timeToIdleSeconds="120" timeToLiveSeconds="120" overflowToDisk="false"    diskSpoolBufferSizeMB="30" maxElementsOnDisk="10000000"    diskPersistent="false" diskExpiryThreadIntervalSeconds="120"    memoryStoreEvictionPolicy="LRU" />     <cache name="userCache" maxElementsInMemory="1000" eternal="false"    timeToIdleSeconds="100000" timeToLiveSeconds="100000" overflowToDisk="false" />      </ehcache>

<beans xmlns="http://www.springframework.org/schema/beans"   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"   xmlns:cache="http://www.springframework.org/schema/cache"   xsi:schemaLocation="     http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd     http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-3.1.xsd">     <!-- 启用缓存注解功能，这个是必须的，否则注解不会生效，另外，该注解一定要声明在spring主配置文件中才会生效 -->   <cache:annotation-driven cache-manager="cacheManager" />     <!-- cacheManager工厂类，指定ehcache.xml的位置 -->   <bean id="cacheManagerFactory"    class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean"    p:configLocation="classpath:ehcache.xml" />     <!-- 声明cacheManager -->   <bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager"    p:cacheManager-ref="cacheManagerFactory" />  </beans>

public class EhcacheSpringTest {     private CacheManager cacheManager;      private Cache cache;     @Before   public void init() {    ApplicationContext ctx = new ClassPathXmlApplicationContext(      "applicationContext.xml");    EhCacheCacheManager ehCacheManager = (EhCacheCacheManager) ctx      .getBean("cacheManager");    cacheManager = ehCacheManager.getCacheManager();    cache = cacheManager.getCache("userCache");   }      @After   public void destory() {    cacheManager.shutdown();   }     @Test   public void testEhcacheString() {    String key = "hello";    String value = "world";    cache.put(new Element(key, value));    Element element = cache.get(key);    Object obj = element.getObjectValue();    Assert.assertEquals(value, obj);    System.out.println(obj);   }     @Test   public void testEhcacheObj() {    String key = "user";    User value = new User("zhangsan", "lisi");    cache.put(new Element(key, value));    Element element = cache.get(key);    Object obj = element.getObjectValue();    Assert.assertEquals(value, obj);    System.out.println(obj);    Object objSer = element.getValue();    Assert.assertEquals(value, objSer);    System.out.println(objSer);   }  }