ssm+redis缓存配置

1、pom.xml引入一下jar

<!-- spring-redis实现 --><dependency><groupId>org.springframework.data</groupId><artifactId>spring-data-redis</artifactId><version>1.6.2.RELEASE</version></dependency><!-- redis客户端jar --><dependency><groupId>redis.clients</groupId><artifactId>jedis</artifactId><version>2.8.0</version></dependency><!-- Ehcache实现,用于参考 --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-ehcache</artifactId><version>1.0.0</version></dependency>

2、application-context.xml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:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop"  xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc"  xsi:schemaLocation="http://www.springframework.org/schema/beans       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd     http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-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/aop       http://www.springframework.org/schema/aop/spring-aop-3.0.xsd       http://www.springframework.org/schema/context       http://www.springframework.org/schema/context/spring-context-3.0.xsd">  <!-- 数据源定义 -->  <bean id="propertyConfigurer"  class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">  <property name="locations">  <list>  <value>classpath:jdbc.properties</value>  <value>classpath:redis.properties</value></list>  </property>  </bean>  <!-- redis数据源 --><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><!-- Spring-redis连接池管理工厂 --><bean id="jedisConnectionFactory"class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"p:host-name="${redis.host}" p:port="${redis.port}" p:password="${redis.pass}"p:pool-config-ref="poolConfig" /><!-- 使用中间类解决RedisCache.jedisConnectionFactory的静态注入，从而使MyBatis实现第三方缓存 --><bean id="redisCacheTransfer" class="com.loan.security.cache.RedisCacheTransfer"><property name="jedisConnectionFactory" ref="jedisConnectionFactory" /></bean><!-- 数据源定义 -->  <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"  destroy-method="close">  <property name="driverClassName" value="${connection.driverClassName}" />  <property name="url" value="${connection.url}" />  <property name="username" value="${connection.username}" />  <property name="password" value="${connection.password}" />  <property name="maxActive" value="${connection.maxActive}" />  <property name="maxIdle" value="${connection.maxIdle}" />  <property name="minIdle" value="${connection.minIdle}" />  <property name="removeAbandoned" value="${connection.removeAbandoned}" />  <property name="removeAbandonedTimeout" value="${connection.removeAbandonedTimeout}" />  <property name="logAbandoned" value="${connection.logAbandoned}" />  <property name="defaultAutoCommit" value="${connection.defaultAutoCommit}" />  <property name="defaultReadOnly" value="${connection.defaultReadOnly}" />  <property name="validationQuery" value="${connection.validationQuery}" />  <property name="testOnBorrow" value="${connection.testOnBorrow}" />  </bean>  <!-- 创建sqlSessionFactory，同时指定数据源 -->  <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">  <property name="dataSource" ref="dataSource"></property>  <property name="configLocation" value="classpath:mybatis-config.xml" />  <!-- 自动扫描mapper目录, 省掉mybatis-config.xml里的手工配置 -->  <property name="mapperLocations">  <list>  <!-- <value>classpath:com/loan/*/dao/xml/*.xml</value> -->  <value>classpath:com/loan/fore/dao/xml/*.xml</value>  <value>classpath:com/loan/back/dao/xml/*.xml</value>  <value>classpath:com/loan/security/dao/xml/*.xml</value>  </list>  </property>  </bean>  <!-- 通过扫描的模式，扫描目录在com/loan/mapper目录下 -->  <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">  <property name="basePackage" value="com.loan.*.dao.*" />  <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />  </bean>  <bean class="com.loan.util.SpringUtils" />  <!-- (事务管理) -->  <bean id="transactionManager"  class="org.springframework.jdbc.datasource.DataSourceTransactionManager">  <property name="dataSource" ref="dataSource"></property>  </bean>  <!-- 使用annotation定义数据库事务，这样可以在类或方法中直接使用@Transactional注解来声明事务 -->  <tx:annotation-driven transaction-manager="transactionManager" />  <tx:advice id="txAdvice" transaction-manager="transactionManager">  <tx:attributes>  <tx:method name="save*" propagation="REQUIRED" />  <tx:method name="update*" propagation="REQUIRED" />  <tx:method name="delete*" propagation="REQUIRED" />  <tx:method name="load*" propagation="SUPPORTS" read-only="true" />  <tx:method name="find*" propagation="SUPPORTS" read-only="true" />  <tx:method name="search*" propagation="SUPPORTS" read-only="true" />  <tx:method name="approve" propagation="REQUIRED" />  <tx:method name="undo" propagation="REQUIRED" />  <tx:method name="*" propagation="SUPPORTS" read-only="true" />  </tx:attributes>  </tx:advice>  <aop:config>  <aop:pointcut id="serviceMethod"  expression="execution(* com.loan.*.service..*.*(..))" />  <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod" />  </aop:config>  <!-- 自动搜索注解路径 -->  <context:component-scan base-package="com.loan"></context:component-scan>  <!-- 注册定时器 -->  <bean id="timer"  class="org.springframework.scheduling.quartz.SchedulerFactoryBean"  lazy-init="false" autowire="no">  <property name="triggers">  <list>  <ref bean="timerTaskTrigger" />  </list>  </property>  </bean>  <!-- 指定何时触发定时任务 -->  <bean id="timerTaskTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean">  <property name="jobDetail">  <ref bean="timerTaskJobDetail" />  </property>  <property name="cronExpression">  <!-- 每天凌晨3点执行 -->  <value>0 0 3 * * ?</value>  <!-- <value>20 * * * * ?</value> -->  </property>  </bean>  <!-- 指定定时任务细节 调用哪个类 哪个方法 -->  <bean id="timerTaskJobDetail"  class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean">  <property name="targetObject">  <ref bean="timerTaskInstance" />  </property>  <property name="targetMethod">  <value>doTask</value>  </property>  <property name="concurrent" value="false" />  </bean>  <!-- 实例化定时任务类 -->  <bean id="timerTaskInstance" class="com.loan.security.plug.TimerTask"></bean>
</beans>

3、redis.properties

# Redis settings
redis.host=192.168.100.161
redis.port=6379
redis.pass=rootredis.maxIdle=300
redis.maxActive=600
redis.maxWait=1000
redis.testOnBorrow=true

4、RedisCacheTransfer.java

package com.loan.security.cache;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;/*** * @描述: 静态注入中间类* @版权: Copyright (c) 2016 * @作者: xiad* @版本: 1.0 * @创建日期: 2016年3月2日 * @创建时间: 下午8:02:57*/
public class RedisCacheTransfer
{@Autowiredpublic void setJedisConnectionFactory(JedisConnectionFactory jedisConnectionFactory) {RedisCache.setJedisConnectionFactory(jedisConnectionFactory);}}

5、RedisCache.java

package com.loan.security.cache;import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;import org.apache.ibatis.cache.Cache;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.redis.connection.jedis.JedisConnection;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;import redis.clients.jedis.exceptions.JedisConnectionException;/*** * @描述: 使用第三方内存数据库Redis作为二级缓存* @版权: Copyright (c) 2016 * @作者: xiad* @版本: 1.0 * @创建日期: 2016年3月2日 * @创建时间: 下午8:02:57*/
public class RedisCache implements Cache
{private static final Logger logger = LoggerFactory.getLogger(RedisCache.class);private static JedisConnectionFactory jedisConnectionFactory;private final String id;/*** The {@code ReadWriteLock}.*/private final ReadWriteLock readWriteLock = new ReentrantReadWriteLock();public RedisCache(final String id) {if (id == null) {throw new IllegalArgumentException("Cache instances require an ID");}logger.debug("MybatisRedisCache:id=" + id);this.id = id;}@Overridepublic void clear(){JedisConnection connection = null;try{connection = jedisConnectionFactory.getConnection();connection.flushDb();connection.flushAll();}catch (JedisConnectionException e){e.printStackTrace();}finally{if (connection != null) {connection.close();}}}@Overridepublic String getId(){return this.id;}@Overridepublic Object getObject(Object key){Object result = null;JedisConnection connection = null;try{connection = jedisConnectionFactory.getConnection();RedisSerializer<Object> serializer = new JdkSerializationRedisSerializer();result = serializer.deserialize(connection.get(serializer.serialize(key)));}catch (JedisConnectionException e){e.printStackTrace();}finally{if (connection != null) {connection.close();}}return result;}@Overridepublic ReadWriteLock getReadWriteLock(){return this.readWriteLock;}@Overridepublic int getSize(){int result = 0;JedisConnection connection = null;try{connection = jedisConnectionFactory.getConnection();result = Integer.valueOf(connection.dbSize().toString());}catch (JedisConnectionException e){e.printStackTrace();}finally{if (connection != null) {connection.close();}}return result;}@Overridepublic void putObject(Object key, Object value){JedisConnection connection = null;try{connection = jedisConnectionFactory.getConnection();RedisSerializer<Object> serializer = new JdkSerializationRedisSerializer();connection.set(serializer.serialize(key), serializer.serialize(value));}catch (JedisConnectionException e){e.printStackTrace();}finally{if (connection != null) {connection.close();}}}@Overridepublic Object removeObject(Object key){JedisConnection connection = null;Object result = null;try{connection = jedisConnectionFactory.getConnection();RedisSerializer<Object> serializer = new JdkSerializationRedisSerializer();result =connection.expire(serializer.serialize(key), 0);}catch (JedisConnectionException e){e.printStackTrace();}finally{if (connection != null) {connection.close();}}return result;}public static void setJedisConnectionFactory(JedisConnectionFactory jedisConnectionFactory) {RedisCache.jedisConnectionFactory = jedisConnectionFactory;}}

6、mapper.xml中引入Redis缓存

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.loan.security.dao.mapper.DictionaryCatalogMapper">
<cache type="com.loan.security.cache.RedisCache"/>
</mapper>

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