Spring Data Redis介绍

一.Spring Data Redis 简介

二.整合配置

	<?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:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       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/aop
       http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!--配置读取properties文件的工具类 -->
    <context:property-placeholder location="classpath:redis.properties"/>

    <!-- Jedis 连接池 -->
    <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
        <property name="maxTotal" value="${redis.pool.maxTotal}"/>
        <property name="maxIdle" value="${redis.pool.maxIdle}"/>
        <property name="minIdle" value="${redis.pool.minIdle}"/>
    </bean>

    <!-- Jedis 的连接工厂 -->
    <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
        <property name="hostName" value="${redis.conn.hostName}"/>
        <property name="port" value="${redis.conn.port}"/>
        <property name="poolConfig" ref="poolConfig"/>
    </bean>

    <!-- Redis 模板对象 -->
    <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
        <property name="connectionFactory" ref="jedisConnectionFactory"/>
        <!-- 序列化器：能够把我们储存的 key 与 value 做序列化处理的对象 -->
        <!-- 配置默认的序列化器 -->
        <!-- keySerializer、valueSerializer 配置 Redis 中的 String 类型 key
        与 value 的序列化器 -->
        <!-- HashKeySerializer、HashValueSerializer 配置 Redis 中的 Hash
        类型 key 与 value 的序列化器 -->
        <property name="keySerializer">
            <bean class="org.springframework.data.redis.serializer.StringRedisSerializer"/>
        </property>
        <property name="valueSerializer">
            <bean class="org.springframework.data.redis.serializer.StringRedisSerializer"/>
        </property>
    </bean>
</beans>

三.测试代码

	/**
 	* Redis测试
	 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class RedisTest {

    @Autowired
    private RedisTemplate<String,Object> redisTemplate;

    /**
     * 添加键值对
     */
    @Test
    public void test1(){
        redisTemplate.opsForValue().set("key","test");
    }

    /**
     * 获取 redis 中的数据
     */
    @Test
    public void test2(){
        String str = (String)this.redisTemplate.opsForValue().get("key");
        System.out.println(str);
    }

    /**
     * 添加 Users
     */
    @Test
    public void test3(){
        Users users = new Users();
        users.setAge(30);
        users.setId(1);
        users.setName("张三");
        //更换序列化器
        this.redisTemplate.setValueSerializer(new JdkSerializationRedisSerializer());
        this.redisTemplate.opsForValue().set("users", users);
    }

    /**
     * 获取 Users
     *
     */
    @Test
    public void test4(){
        //更换序列化器
        this.redisTemplate.setValueSerializer(new JdkSerializationRedisSerializer());
        Users users =(Users)this.redisTemplate.opsForValue().get("users");
        System.out.println(users);
    }

    /**
     * 添加 Users JSON 格式
     */
    @Test
    public void test5(){
        Users users = new Users();
        users.setAge(23);
        users.setId(2);
        users.setName("李四");
        this.redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer<>(Users.class));
        this.redisTemplate.opsForValue().set("usersjson", users);
    }

    /**
     * 获取 Uesrs JSON 格式
     */
    @Test
    public void test6(){
        this.redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer<>(Users.class));
        Users users = (Users)this.redisTemplate.opsForValue().get("usersjson");
        System.out.println(users);
    }
}