spring+springmvc+mybatis+redis 实现两重数据缓存
2017-05-03 16:52
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<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <!-- 配置springmvc核心 Servlet--> <servlet> <servlet-name>pringmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 配置文件加载的路径 --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/config/springmvc.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>pringmvc</servlet-name> <url-pattern>*.htm</url-pattern> </servlet-mapping> <!-- END 配置springmvc核心 Servlet--> <!-- spring 路径的配置 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/config/spring.xml</param-value> </context-param> <!--END spring 路径的配置 --> <!-- 配置spring监听器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!--END 配置spring监听器 --> </web-app>
<?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:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" 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 http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd" > <!-- 包扫描 --> <context:component-scan base-package="sysone.zr.com" /> <!-- 开启Springmvc注解驱动 --> <mvc:annotation-driven /> <!-- SpringMVC视图解析器 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> <property name="prefix" value="/WEB-INF/jsp/"/> <property name="suffix" value=".jsp"/> </bean> <!-- 拦截器 --> <!-- <bean id="urlhandler" class="sysone.zr.com.interception.URLHandler"></bean> <mvc:interceptors> <mvc:interceptor> <mvc:mapping path="/lf/online/**"/> <ref bean="urlhandler"/> </mvc:interceptor> </mvc:interceptors> --> </beans>
<?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:lang="http://www.springframework.org/schema/lang" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:cache="http://www.springframework.org/schema/cache" 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/lang http://www.springframework.org/schema/lang/spring-lang.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 http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd"> <!-- 包扫描 --> <context:component-scan base-package="sysone.zr.com" /> <!-- 引入外部文件 --> <context:property-placeholder location="/WEB-INF/config/jdbc.properties,/WEB-INF/config/redis.properties"/> <!-- 开启动态代理 --> <aop:aspectj-autoproxy/> <!-- 事务属性配置 --> <tx:advice id="txAdvice" transaction-manager="txManager"> <!-- 事务传播属性 --> <tx:attributes> <!-- 所有已get、query、select开头的方法都是只读 --> <tx:method name="get*" read-only="true"/> <tx:method name="query*" read-only="true"/> <tx:method name="select*" read-only="true"/> <!-- 其它的所有方法支持事务设置的属性（异常回滚） --> <tx:method name="*" rollback-for="java.lang.Throwing" /> </tx:attributes> </tx:advice> <aop:config> <!-- 配置切点 --> <aop:pointcut id="fooServiceOperation" expression="execution(* sysone.zr.com.service.sysone.zr.com.service.impl.*.*(..))"/> <aop:advisor advice-ref="txAdvice" pointcut-ref="fooServiceOperation"/> </aop:config> <!-- 数据源配置 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" > <property name="driverClassName" value="${jdbc.driverClassName}"/> <property name="url" value="${jdbc.url}"/> <property name="username" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> </bean> <!-- 配置数据源管理器 --> <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <!-- mybatis配置 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <property name="configLocation" value="/WEB-INF/config/mybatis-config.xml"/> <property name="typeAliasesPackage" value="sysone.zr.com.mapper.model"/> <property name="mapperLocations"> <list> <value>classpath:sysone/zr/com/mapper/xml/*Mapper.xml</value> </list> </property> </bean> <!-- mybatis 扫描 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="sysone.zr.com.mapper.imapper"/> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/> </bean> <!-- 配置redis 单机版 --> <!-- redis数据源 --> <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig"> <!-- 最大空闲数 --> <property name="maxIdle" value="${redis.maxIdle}" /> <!-- 最大空连接数 --> <property name="maxTotal" value="${redis.maxActive}" /> <!-- 最大等待时间 --> <property name="maxWaitMillis" value="${redis.maxWait}" /> <!-- 返回连接时，检测连接是否成功 --> <property name="testOnBorrow" value="${redis.testOnBorrow}" /> </bean> <!-- Spring-redis连接池管理工厂 --> <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"> <!-- IP地址 --> <property name="hostName" value="${redis.host}" /> <!-- 端口号 --> <property name="port" value="${redis.port}" /> <!-- 超时时间 --> <property name="timeout" value="${redis.timeout}" /> <property name="poolConfig" ref="poolConfig" /> </bean> <!-- redis 集群 --> <!-- <bean id="redisClient" class="redis.clients.jedis.JedisCluster"> <constructor-arg name="nodes"> <bean class="redis.clients.jedis.HostAndPort"> <constructor-arg name="host" value="192.168.10.105"></constructor-arg> <constructor-arg name="port" value="7002"></constructor-arg> </bean> <bean class="redis.clients.jedis.HostAndPort"> <constructor-arg name="host" value="192.168.10.77"></constructor-arg> <constructor-arg name="port" value="7002"></constructor-arg> </bean> </constructor-arg> </bean> --> <!-- redis模板类，提供了对缓存的增删改查 --> <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate"> <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.JdkSerializationRedisSerializer" /> </property> </bean> <!-- StrRedisTemplate --> <bean id="strRedisTemplate" 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" /> </property> <property name="hashKeySerializer"> <bean class="org.springframework.data.redis.serializer.StringRedisSerializer" /> </property> </bean> <!-- 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="sysone.zr.com.utils.RedisCacheTransfer"> <property name="jedisConnectionFactory" ref="jedisConnectionFactory"/> </bean> <!-- //End 单机版Redis集成 --> <!-- Redis缓存管理对象 --> <!-- <bean id="cacheManager" class="org.springframework.data.redis.cache.RedisCacheManager"> <constructor-arg index="0" ref="redisTemplate" /> </bean> --> <!-- spring自己的换管理器，这里定义了两个缓存位置名称 ，既注解中的value --> <bean id="cacheManager" class="org.springframework.cache.support.SimpleCacheManager"> <property name="caches"> <set> <bean class="sysone.zr.com.utils.SpringRedisCache"> <property name="redisTemplate" ref="redisTemplate" /> <property name="name" value="lf_cache"/> </bean> </set> </property> </bean> <!-- 开启Spring缓存 --> <cache:annotation-driven cache-manager="cacheManager"/> <!-- Spring容器实例 --> <!-- <bean class="sysone.zr.com.utils.SpringContext" /> --> </beans>
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <!-- 配置mybatis的缓存，延迟加载等相关属性 --> <settings> <!-- 是否开启全局缓存 --> <setting name="cacheEnabled" value="true"/> <!-- 查询时，关闭关联对象即时加载以提高性能 --> <setting name="lazyLoadingEnabled" value="false"/> <!-- 对于未知的SQL查询，允许返回不同的结果集以达到通用的效果 --> <setting name="multipleResultSetsEnabled" value="true"/> <!-- 设置关联对象加载的形态，此处为按需加载字段(加载字段由SQL指 定)，不会加载关联表的所有字段，以提高性能 --> <setting name="aggressiveLazyLoading" value="true"/> </settings> </configuration>
redis.host=127.0.0.1 redis.port=6379 redis.maxIdle=2000 redis.maxActive=60000 redis.maxWait=1000 redis.testOnBorrow=true redis.timeout=100000 defaultCacheExpireTime=60
jdbc.driverClassName=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/cache_test jdbc.username=root jdbc.password=
package sysone.zr.com.controller;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import sysone.zr.com.mapper.model.Person;
import sysone.zr.com.service.PersonService;
@Controller
public class TestController {
@Resource
private PersonService personService;
@RequestMapping("/person.htm")
public void getPersonInfo(){
List<Person> persons = personService.getAllPerson();
if (persons!=null) {
for (Person person : persons) {
System.out.println("person:"+person);
}
}
Person person = personService.getPersonById(100);
System.out.println("person:"+person);
}
}package sysone.zr.com.mapper.imapper;
import java.util.List;
import sysone.zr.com.mapper.model.Person;
public interface PersonMapper {
/**
* 获取所有person的信息
* @return
*/
List<Person> getAllPerson();
Person getPersonById(int i);
}package sysone.zr.com.mapper.model;
import java.io.Serializable;
import org.springframework.cache.annotation.EnableCaching;
public class Person implements Serializable {
private int id;
private String name;
private int age;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Person() {
super();
}
public Person(int id, String name, int age) {
super();
this.id = id;
this.name = name;
this.age = age;
}
@Override
public String toString() {
return "Person [id=" + id + ", name=" + name + ", age=" + age + "]";
}
}<?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="sysone.zr.com.mapper.imapper.PersonMapper">
<!-- 支持缓存配置 -->
<cache type="sysone.zr.com.utils.RedisCache" />
<resultMap type="sysone.zr.com.mapper.model.Person" id="baseMap">
<id property="id" column="id" />
<result property="name" column="name"/>
<result property="age" column="age"/>
</resultMap>
<select id="getAllPerson" resultMap="baseMap">
SELECT id,name,age FROM PERSON
</select>
<select id="getPersonById" parameterType="int" resultMap="baseMap">
SELECT id,name,age FROM PERSON WHERE id = #{id}
</select>
</mapper>package sysone.zr.com.service.impl;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.stereotype.Service;
import sysone.zr.com.mapper.imapper.PersonMapper;
import sysone.zr.com.mapper.model.Person;
import sysone.zr.com.service.PersonService;
@Service
@EnableCaching
public class PersonServerImpl implements PersonService {
@Resource
private PersonMapper mapper;
@Cacheable(value="lf_cache",key="'getAllPerson'")
public List<Person> getAllPerson() {
System.out.println("===== 获取person信息 =====");
return mapper.getAllPerson();
}
@Cacheable(value="lf_cache",key="'getPersonById'")
public Person getPersonById(int i) {
System.out.println("******getPersonById*******");
return mapper.getPersonById(i);
}
}package sysone.zr.com.service;
import java.util.List;
import sysone.zr.com.mapper.model.Person;
public interface PersonService {
/**
* 获取所有的person信息
* @return
*/
List<Person> getAllPerson();
Person getPersonById(int i);
}package sysone.zr.com.utils;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.apache.ibatis.cache.Cache;
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;
public class RedisCache implements Cache {
private static JedisConnectionFactory jedisConnectionFactory;
private final String id;
private final ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
public RedisCache(final String id){
if (id == null) {
throw new IllegalArgumentException("cache instances require an ID");
}
this.id = id;
}
@Override
public void clear() {
JedisConnection connection = null;
try {
connection = jedisConnectionFactory.getConnection();
connection.flushDb();
connection.flushAll();
} catch (Exception e) {
e.printStackTrace();
}finally{
if (connection != null) {
connection.close();
}
}
}
@Override
public String getId() {
return this.id;
}
@Override
public 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 (Exception e) {
e.printStackTrace();
}finally{
if (connection != null) {
connection.close();
}
}
return result;
}
@Override
public ReadWriteLock getReadWriteLock() {
return this.readWriteLock;
}
@Override
public int getSize() {
int result = 0;
JedisConnection connection = null;
try {
connection = jedisConnectionFactory.getConnection();
result = Integer.valueOf(connection.dbSize().toString());
} catch (Exception e) {
e.printStackTrace();
}finally{
if (connection != null) {
connection.close();
}
}
return result;
}
@Override
public void putObject(Object key, Object value) {
JedisConnection connection = null;
try {
connection = jedisConnectionFactory.getConnection();
RedisSerializer<Object> serializer = new JdkSerializationRedisSerializer();
System.out.println("**"+serializer.serialize(key));
connection.set(serializer.serialize(key), serializer.serialize(value));
} catch (Exception e) {
e.printStackTrace();
}finally{
if (connection != null) {
connection.close();
}
}
}
@Override
public Object removeObject(Object key) {
JedisConnection connection = null;
Object result = null;
try {
connection = jedisConnectionFactory.getConnection();
RedisSerializer<Object> serializer = new JdkSerializationRedisSerializer();
result = connection.expireAt(serializer.serialize(key), 0);
} catch (Exception e) {
e.printStackTrace();
}finally{
if (connection != null) {
connection.close();
}
}
return result;
}
public static void setJedisConnectionFactory(JedisConnectionFactory jedisConnectionFactory) {
RedisCache.jedisConnectionFactory = jedisConnectionFactory;
}
}package sysone.zr.com.utils;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
public class RedisCacheTransfer {
public void setJedisConnectionFactory(JedisConnectionFactory jedisConnectionFactory) {
RedisCache.setJedisConnectionFactory(jedisConnectionFactory);
}
}package sysone.zr.com.utils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.springframework.cache.Cache;
import org.springframework.cache.support.SimpleValueWrapper;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
public class SpringRedisCache implements Cache{
private RedisTemplate<String, Object> redisTemplate;
private String name;
public RedisTemplate<String, Object> getRedisTemplate() {
return redisTemplate;
}
public void setRedisTemplate(RedisTemplate<String, Object> redisTemplate) {
this.redisTemplate = redisTemplate;
}
public void setName(String name) {
this.name = name;
}
@Override
public String getName() {
// TODO Auto-generated method stub
return this.name;
}
@Override
public Object getNativeCache() {
return this.redisTemplate;
}
@Override
public ValueWrapper get(Object key) {
System.out.println("get key");
final String keyf = key.toString();
Object object = null;
object = redisTemplate.execute(new RedisCallback<Object>() {
public Object doInRedis(RedisConnection connection)
throws DataAccessException {
byte[] key = keyf.getBytes();
byte[] value = connection.get(key);
if (value == null) {
return null;
}
return toObject(value);
}
});
return (object != null ? new SimpleValueWrapper(object) : null);
}
@Override
public void put(Object key, Object value) {
System.out.println("**************key"+key+"===value:"+value);
System.out.println("put key");
final String keyf = key.toString();
final Object valuef = value;
final long liveTime = 86400;
redisTemplate.execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection)
throws DataAccessException {
byte[] keyb = keyf.getBytes();
byte[] valueb = toByteArray(valuef);
connection.set(keyb, valueb);
if (liveTime > 0) {
connection.expire(keyb, liveTime);
}
return 1L;
}
});
}
private byte[] toByteArray(Object obj) {
byte[] bytes = null;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
try {
ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(obj);
oos.flush();
bytes = bos.toByteArray();
oos.close();
bos.close();
}catch (IOException ex) {
ex.printStackTrace();
}
return bytes;
}
private Object toObject(byte[] bytes) {
Object obj = null;
try {
ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStream(bis);
obj = ois.readObject();
ois.close();
bis.close();
} catch (IOException ex) {
ex.printStackTrace();
} catch (ClassNotFoundException ex) {
ex.printStackTrace();
}
return obj;
}
@Override
public void evict(Object key) {
// TODO Auto-generated method stub
System.out.println("del key");
final String keyf = key.toString();
redisTemplate.execute(new RedisCallback<Long>() {
public Long doInRedis(RedisConnection connection)
throws DataAccessException {
return connection.del(keyf.getBytes());
}
});
}
@Override
public void clear() {
// TODO Auto-generated method stub
System.out.println("clear key");
redisTemplate.execute(new RedisCallback<String>() {
public String doInRedis(RedisConnection connection)
throws DataAccessException {
connection.flushDb();
return "ok";
}
});
}
@Override
public <T> T get(Object key, Class<T> type) {
// TODO Auto-generated method stub
return null;
}
public ValueWrapper putIfAbsent(Object key, Object value) {
// TODO Auto-generated method stub
return null;
}
}
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