ssm开发使用redis作为缓存的使用步骤

<!-- redis配置 -->
 <bean id="jedispoolconfig" class="redis.clients.jedis.jedispoolconfig">
  <!-- <property name="maxactive" value="90"/> -->
  <property name="maxidle" value="5"/>
  <!-- <property name="maxwait" value="1000"/> -->
  <property name="testonborrow" value="true"/>
 </bean>
　　　　<!--配置redis数据源-->
 <bean id="jedispool" class="redis.clients.jedis.jedispool" destroy-method="destroy">
  <constructor-arg ref="jedispoolconfig"/>
  <constructor-arg value="192.168.21.195"/>
  <constructor-arg value="6379"/>
 </bean>
　　　　<!--配置自定义的redisapi工具类-->
 <bean id="redisapi" class="org.slsale.common.redisapi">
  <property name="jedispool" ref="jedispool"/>
 </bean>

package org.slsale.common;

import redis.clients.jedis.jedis;
import redis.clients.jedis.jedispool;

/**
 * jedisapi
 * @author luzhewu
 *
 */
public class redisapi {
 public jedispool jedispool;// redis连接池对象

 public jedispool getjedispool() {
  return jedispool;
 }

 public void setjedispool(jedispool jedispool) {
  this.jedispool = jedispool;
 }

 /**
  * set key and value tp redis
  * @param key
  * @param value
  * @return
  */
 public boolean set(string key, string value) {
  jedis jedis = null;
  try {
   jedis = jedispool.getresource();// 获取jedis对象
   jedis.set(key, value);
   return true;
  } catch (exception e) {
   e.printstacktrace();
  } finally {
   // 返还到连接池
   returnresource(jedispool, jedis);
  }
  return false;
 }

 /**
  * 判断某个key是否存在
  * @param key
  * @return
  */
 public boolean exist(string key) {
  jedis jedis = null;
  try {
   jedis = jedispool.getresource();
   return jedis.exists(key);
  } catch (exception e) {
   e.printstacktrace();
  } finally {
   // 返还到连接池
   returnresource(jedispool, jedis);
  }
  return false;
 }

 /**
  * 通过key获取value
  * @param key
  * @return
  */
 public string get(string key) {
  string value = null;
  jedis jedis = null;
  try {
   jedis = jedispool.getresource();
   value = jedis.get(key);
  } catch (exception e) {
   e.printstacktrace();
  } finally {
   // 返还到连接池
   returnresource(jedispool, jedis);
  }
  return value;
 }

 /**
  * 返还到连接池
  * @param jedispool
  * @param jedis
  */
 public static void returnresource(jedispool jedispool, jedis jedis) {
  if (jedis != null) {
   jedispool.returnresource(jedis);
  }
 }
}

<!-- redis相关依赖jedis -->
   <dependency>
 <groupid>redis.clients</groupid>
 <artifactid>jedis</artifactid>
 <version>2.6.1</version>