使用Spring Data Redis實(shí)現(xiàn)數(shù)據(jù)緩存的方法

compile "org.springframework.data:spring-data-redis:1.7.2.RELEASE"
compile "redis.clients:jedis:2.7.2"
testCompile "junit:junit:4.12"

# Redis settings
redis.host=127.0.0.1
redis.port=6379
redis.pass=
redis.dbIndex=0
redis.expiration=3000
redis.maxIdle=300
redis.maxActive=600
redis.maxWait=1000
redis.testOnBorrow=true

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:cache="http://www.springframework.org/schema/cache"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd">
  <context:component-scan base-package="redis.cache"/>
  <context:annotation-config/>
  <cache:annotation-driven cache-manager="redisCacheManager"/>
  <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="locations">
      <list>
        <value>classpath:redis.properties</value>
      </list>
    </property>
  </bean>
  <!-- 配置JedisPoolConfig實(shí)例 -->
  <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
    <property name="maxIdle" value="${redis.maxIdle}"/>
    <property name="maxTotal" value="${redis.maxActive}"/>
    <property name="maxWaitMillis" value="${redis.maxWait}"/>
    <property name="testOnBorrow" value="${redis.testOnBorrow}"/>
  </bean>
  <!-- 配置JedisConnectionFactory -->
  <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
    <property name="hostName" value="${redis.host}"/>
    <property name="port" value="${redis.port}"/>
    <property name="password" value="${redis.pass}"/>
    <property name="database" value="${redis.dbIndex}"/>
    <property name="poolConfig" ref="poolConfig"/>
  </bean>
  <!-- 配置RedisTemplate -->
  <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
    <property name="connectionFactory" ref="jedisConnectionFactory"/>
  </bean>
  <!-- 配置RedisCacheManager -->
  <bean id="redisCacheManager" class="org.springframework.data.redis.cache.RedisCacheManager">
    <constructor-arg name="redisOperations" ref="redisTemplate"/>
    <property name="defaultExpiration" value="${redis.expiration}"/>
  </bean>
</beans>

@Service("userService")
public class UserService {
  @Cacheable(value = "User", key = "'UserId_' + #id",condition = "#id<=110")
  public String queryFullNameById(long id) {
    System.out.println("execute queryFullNameById method");
    return "ZhangSanFeng";
  }

  @CacheEvict(value = "User", key = "'UserId_' + #id")
  public void deleteById(long id) {
    System.out.println("execute deleteById method");
  }

  @CachePut(value = "User", key = "'UserId_' + #id")
  public String modifyFullNameById(long id, String newName) {
    System.out.println("execute modifyFullNameById method");
    return newName;
  }
}

  @Test
  public void test() {
    ApplicationContext context = new ClassPathXmlApplicationContext("redisCacheContext.xml");
    UserService userService = (UserService) context.getBean("userService");
    System.out.println("第一次執(zhí)行查詢：" + userService.queryFullNameById(110L));
    System.out.println("----------------------------------");

    System.out.println("第二次執(zhí)行查詢：" + userService.queryFullNameById(110L));
    System.out.println("----------------------------------");

    userService.deleteById(110L);
    System.out.println("----------------------------------");

    System.out.println("清除緩存后查詢：" + userService.queryFullNameById(110L));
    System.out.println("----------------------------------");

    System.out.println(userService.modifyFullNameById(110L, "ZhangJunBao"));
    System.out.println("----------------------------------");

    System.out.println("修改數(shù)據(jù)后查詢：" + userService.queryFullNameById(110L));
    System.out.println("----------------------------------");

    System.out.println("第一次執(zhí)行查詢：" + userService.queryFullNameById(112L));
    System.out.println("----------------------------------");

    System.out.println("第二次執(zhí)行查詢：" + userService.queryFullNameById(112L));
    System.out.println("----------------------------------");
  }