老项目spring3整合redis

已亲测：https://www.cnblogs.com/cfas/p/9351597.html

用到的jar

spring 3.1.1

aopalliance-1.0.jar

commons-pool2-2.3.jar

jedis-2.7.2.jar

spring-data-redis-1.6.6.RELEASE.jar

jedis和commons-pool2有版本依赖关系，所以要保证和上面一致

spring-data-redis版本 和 spring框架的版本也有依赖关系 所以要保证和上面一致

applicationContext-redis.xml

<?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:jee="http://www.springframework.org/schema/jee"
	xmlns:aop="http://www.springframework.org/schema/aop" 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-2.5.xsd 
   http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd 
   http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd 
   http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-2.5.xsd
   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd">

 <!-- 载入redis配置参数 -->
<!--     <context:property-placeholder location="classpath:redis.properties" ignore-unresolvable="true"/> -->
     
     <!-- redis config start -->
   <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig"> 

   
          <property name="maxIdle" value="5"></property> 
          <property name="maxTotal" value="10" />
      
          <property name="maxWaitMillis" value="2000" />
          <property name="testOnBorrow" value="true" />
    </bean> 
     
     <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" destroy-method="destroy"> 
      <property name="poolConfig" ref="jedisPoolConfig"></property> 
      <property name="hostName" value="192.168.2.110"></property> 
      <property name="port" value="6379"></property> 
       <property name="password" value="jinku_redis"></property> 
      <property name="timeout" value="3000"></property> 
 </bean> 
 
<bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
        <property name="connectionFactory" ref="jedisConnectionFactory" />
        <property name="keySerializer">
            <bean
                class="org.springframework.data.redis.serializer.StringRedisSerializer" />
        </property>
        <property name="valueSerializer">
            <bean
                class="org.springframework.data.redis.serializer.StringRedisSerializer">
            </bean>
        </property>
    </bean>
 
</beans>

RedisUtils.java

package com.app.util;

import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.SetOperations;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
@Component
public class RedisUtils {
	
	private Logger log = LoggerFactory.getLogger(this.getClass());
    @Autowired
	private RedisTemplate<String, Object> redisTemplate;
    
    /**
     * 删除缓存
     *
     * @param key 可以传一个值 或多个
     */
    @SuppressWarnings("unchecked")
    public void del(String... key) {
        if (key != null && key.length > 0) {
            if (key.length == 1) {
                redisTemplate.delete(key[0]);
            } else {
                redisTemplate.delete(CollectionUtils.arrayToList(key));
            }
        }
    }
    
    /**
     * @Title: getSetRandomElement
     * @Description: TODO(set集合，随机返回指定数量的元素，返回元素可重复)
     * @param key
     * @param i
     * @return
     * @return List<Object> 
     * @date 2020年3月23日 下午5:53:46
    */
   public List<Object> getSetRandomElement(String key,int i){
   	 SetOperations<String, Object> set = redisTemplate.opsForSet();
   	 return set.randomMembers(key, i);
   }
   
   /**
    * @Title: addSet
    * @Description: TODO(无序集合set添加)
    * @param key
    * @param value
    * @return void 
    * @date 2020年3月23日 下午5:50:03
   */
  public void addSet(String key, Object value) {
      SetOperations<String, Object> set = redisTemplate.opsForSet();
      set.add(key, value);
  }
    
}