SpringMVC使用Redis

SpringMVC中使用Redis

一、pom.xml中添加依赖

	<dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-redis</artifactId>
            <version>1.0.2.RELEASE</version>
	</dependency>
	<dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>2.1.0</version>
	</dependency>

二、config.properties添加配置

#redis config
redis.host=127.0.0.1
redis.port=6379
redis.pass=
redis.maxIdle=300
redis.maxActive=600
redis.maxWait=1000
redis.testOnBorrow=true

三、创建redis-context.xml配置文件

<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:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="
            http://www.springframework.org/schema/beans 
            http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
            http://www.springframework.org/schema/tx 
            http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context-3.0.xsd
               ">

	<!-- scanner redis properties -->
	<context:property-placeholder location="classpath:/config.properties" />

	<bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
		<property name="maxIdle" value="${redis.maxIdle}" />
		<property name="maxActive" value="${redis.maxActive}" />
		<property name="maxWait" value="${redis.maxWait}" />
		<property name="testOnBorrow" value="${redis.testOnBorrow}" />
	</bean>

	<bean id="connectionFactory"
		class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"
		p:host-name="${redis.host}" p:port="${redis.port}" p:password="${redis.pass}"
		p:pool-config-ref="poolConfig" />

	<bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
		<property name="connectionFactory" ref="connectionFactory" />
		<!--如果不配置Serializer，那么存储的时候智能使用String，如果用User类型存储，那么会提示错误User can't cast to String！！！ -->
		<property name="keySerializer">
			<bean
				class="org.springframework.data.redis.serializer.StringRedisSerializer" />
		</property>
		<property name="valueSerializer">
			<bean
				class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
		</property>
	</bean>
	<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" />
</beans>

四、spring-mvc.xml配置文件中引入redis-context.xml

	<!-- 引入redis属性配置文件 -->
	<import resource="redis-context.xml"/>

五、java类中注入

    @Autowired
    RedisTemplate redisCacheTemplate;
    
	//查询redis中的条数
    long size = redisCacheTemplate.opsForList().size(key);

    // 获取redis中的数据集合
    List list = redisCacheTemplate.opsForList().range("key", 0,redisCacheTemplate.opsForList().size(key));

	//默认移除key中最左的一个值
	redisCacheTemplate.opsForList().leftPop(key);

	//从集合左边插入值
	redisCacheTemplate.opsForList().leftPush(key, list);

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