<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 <modelVersion>4.0.0</modelVersion>
 <groupId>com.luo</groupId>
 <artifactId>ehcache_project</artifactId>
 <version>0.0.1-SNAPSHOT</version>
 <properties>
    <!-- spring版本号号 -->
    <spring.version>3.2.8.RELEASE</spring.version>
    <!-- junit版本号号 -->
    <junit.version>4.10</junit.version>
 </properties>

 <dependencies>
    <!-- 加入Spring依赖 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <!--单元測试依赖 -->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>${junit.version}</version>
      <scope>test</scope>
    </dependency>

    <!--spring单元測试依赖 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
      <scope>test</scope>
    </dependency>

    <!-- ehcache 相关依赖 -->
    <dependency>
      <groupId>net.sf.ehcache</groupId>
      <artifactId>ehcache</artifactId>
      <version>2.8.2</version>
    </dependency>
  </dependencies>
</project>

<?xml version="1.0" encoding="UTF-8"?>
<ehcache>
  <!-- 指定一个文件文件夹，当EhCache把数据写到硬盘上时。将把数据写到这个文件文件夹下 -->
  <diskStore path="java.io.tmpdir"/>

  <!-- 设定缓存的默认数据过期策略 -->
  <defaultCache
      maxElementsInMemory="10000" 
      eternal="false" 
      overflowToDisk="true"
      timeToIdleSeconds="10"
      timeToLiveSeconds="20"
      diskPersistent="false"
      diskExpiryThreadIntervalSeconds="120"/>

  <cache name="cacheTest"
    maxElementsInMemory="1000"
    eternal="false"
    overflowToDisk="true"
    timeToIdleSeconds="10"
    timeToLiveSeconds="20"/>

</ehcache>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
  xmlns:cache="http://www.springframework.org/schema/cache"
  xmlns:context="http://www.springframework.org/schema/context"
  xmlns:aop="http://www.springframework.org/schema/aop"
  xsi:schemaLocation=" 
      http://www.springframework.org/schema/beans 
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 
      http://www.springframework.org/schema/aop 
      http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
      http://www.springframework.org/schema/context 
      http://www.springframework.org/schema/context/spring-context-3.0.xsd
      http://www.springframework.org/schema/cache 
      http://www.springframework.org/schema/cache/spring-cache-3.1.xsd">

  <!-- 自己主动扫描注解的bean -->
  <context:component-scan base-package="com.luo.service" />

  <cache:annotation-driven cache-manager="cacheManager" /> 

  <bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager"> 
    <property name="cacheManager" ref="ehcache"></property> 
  </bean> 

  <bean id="ehcache" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean"> 
    <property name="configLocation" value="classpath:ehcache-setting.xml"></property> 
  </bean> 

</beans>

package com.luo.service;

public interface EhCacheTestService {
  public String getTimestamp(String param);
}

package com.luo.service.impl;

import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import com.luo.service.EhCacheTestService;

@Service
public class EhCacheTestServiceImpl implements EhCacheTestService {

  @Cacheable(value="cacheTest",key="#param")
  public String getTimestamp(String param) {
    Long timestamp = System.currentTimeMillis();
    return timestamp.toString();
  }

}

package com.luo.baseTest;

import org.junit.runner.RunWith; 
import org.springframework.test.context.ContextConfiguration; 
import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests; 
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; 

//指定bean注入的配置文件 
@ContextConfiguration(locations = { "classpath:application.xml" }) 
//使用标准的JUnit @RunWith凝视来告诉JUnit使用Spring TestRunner 
@RunWith(SpringJUnit4ClassRunner.class) 
public class SpringTestCase extends AbstractJUnit4SpringContextTests {

}

package com.luo.service;

import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;

import com.luo.baseTest.SpringTestCase;

public class EhCacheTestServiceTest extends SpringTestCase {

  @Autowired 
  private EhCacheTestService ehCacheTestService;

  @Test 
  public void getTimestampTest() throws InterruptedException{ 
    System.out.println("第一次调用：" + ehCacheTestService.getTimestamp("param"));
    Thread.sleep(2000);
    System.out.println("2秒之后调用：" + ehCacheTestService.getTimestamp("param"));
    Thread.sleep(11000);
    System.out.println("再过11秒之后调用：" + ehCacheTestService.getTimestamp("param"));
  } 
}