错误提示:
Mapper.xml
spring-mybatis.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:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<!-- 自动扫描 -->
<context:component-scan base-package="com.yc.mybank" />
<context:annotation-config></context:annotation-config>
<!-- 引入配置文件 -->
<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:jdbc.properties" />
</bean>
<!-- 抽象bean,在這里配置所有的通用 otomikos聯接池配置屬性 -->
<bean id="abstractXADataSource" class="com.atomikos.jdbc.nonxa.AtomikosNonXADataSourceBean"
init-method="init" destroy-method="close" abstract="true">
<property name="poolSize" value="3" />
<property name="minPoolSize" value="1" />
<property name="maxPoolSize" value="10" />
<property name="borrowConnectionTimeout" value="60" />
<property name="reapTimeout" value="20" />
<!-- 最大空闲时间 -->
<property name="maxIdleTime" value="60" />
<property name="maintenanceInterval" value="60" />
<property name="loginTimeout" value="60" />
</bean>
<bean id="OdataSource" parent="abstractXADataSource">
<!-- value只要两个数据源不同就行,随便取名 -->
<property name="uniqueResourceName" value="oracle/db" />
<property name="user">
<value>${uname}</value>
</property>
<property name="password">
<value>${pwd}</value>
</property>
<property name="url">
<value>${url}</value>
</property>
<property name="driverClassName">
<value>${driverName}</value>
</property>
</bean>
<bean id="SdataSource" parent="abstractXADataSource">
<!-- value只要两个数据源不同就行,随便取名 -->
<property name="uniqueResourceName" value="mysql" />
<property name="user">
<value>${mysql.uname}</value>
</property>
<property name="password">
<value>${mysql.pwd}</value>
</property>
<property name="url">
<value>${mysql.url}</value>
</property>
<property name="driverClassName">
<value>${mysql.driverName}</value>
</property>
</bean>
<!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="OdataSource" />
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations"
value="classpath:com/yc/mybank/mapper/userMapper.xml"></property>
<property name="configurationProperties">
<props>
<prop key="cacheEnabled">true</prop>
<prop key="lazyLoadingEnabled">false</prop>
<prop key="aggressiveLazyLoading">true</prop>
</props>
</property>
</bean>
<!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory2" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="SdataSource" />
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations"
value="classpath:com/yc/mybank/mapper/userMapper.xml"></property>
<property name="configurationProperties">
<props>
<prop key="cacheEnabled">true</prop>
<prop key="lazyLoadingEnabled">false</prop>
<prop key="aggressiveLazyLoading">true</prop>
</props>
</property>
</bean>
<!-- 创建sqlSession -->
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
<!-- 只能通过 构造方法注入 sqlSessionFactory -->
<constructor-arg ref="sqlSessionFactory"></constructor-arg>
</bean>
<!-- DAO接口所在包名,Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.yc.mybank.mapper" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
</beans>
单元测试类代码:
package mybank_springMVC;
import javax.annotation.Resource;
import org.junit.Before;
import org.junit.runner.RunWith;
import org.mybatis.spring.SqlSessionTemplate;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.yc.mybank.bean.BankAccount;
import com.yc.mybank.biz.UserBiz;
import com.yc.mybank.dao.UserDao;
import com.yc.mybank.dao.cache.RedisCache;
import com.yc.mybank.dao.cache.RedisPool;
@RunWith(SpringJUnit4ClassRunner.class) //表示继承了SpringJUnit4ClassRunner类
@ContextConfiguration(locations = {"classpath:spring-mybatis.xml"})
public class Test {
@Resource
private UserBiz userBiz;
@Resource
private SqlSessionTemplate session;
@Resource
private UserDao userDao;
@org.junit.Test
public void testSqlsession(){
//System.out.println(userBiz);
//System.out.println(session);
//System.out.println(userDao);
System.out.println(RedisCache.createRedis());
//System.out.println(RedisCache.createRedis());
System.out.println(userBiz.getUser(3));
//ApplicationContext ac=new ClassPathXmlApplicationContext("spring-mybatis.xml");
//System.err.println(ac.getBean("userDao"));
}
}
Redis代码:
package com.yc.mybank.dao.cache;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.apache.ibatis.cache.Cache;
import com.sun.org.apache.xml.internal.utils.SerializableLocatorImpl;
import com.yc.mybank.util.SerializableUtil;
import redis.clients.jedis.Jedis;
public class RedisCache implements Cache {
private String id;
private Jedis jedisClient;
//同步锁
private ReadWriteLock readWriteLock=new ReentrantReadWriteLock();
public RedisCache(String id) {
if(id==null){
throw new RuntimeException("cache instance required an ID");
}
this.jedisClient=createRedis();
this.id=id;
}
/**
* 将缓存中的数据删掉
*/
public void clear() {
// TODO Auto-generated method stub
this.jedisClient.flushDB();
}
public String getId() {
// TODO Auto-generated method stub
return id;
}
/**
* 通过key到缓存中取值
*/
public Object getObject(Object key) {
// TODO Auto-generated method stub
byte[] valueBytes=SerializableUtil.serialize(key);
Object obj=SerializableUtil.unserializable(valueBytes);
return obj;
}
public static Jedis createRedis(){
Jedis jedis=RedisPool.getPool().getResource();
return jedis;
}
/**
* 同步锁
*/
public ReadWriteLock getReadWriteLock() {
// TODO Auto-generated method stub
return readWriteLock;
}
public int getSize() {
Long size=this.jedisClient.dbSize();
int re=Integer.valueOf(size+"");
return re;
}
public void putObject(Object key, Object value) {
// TODO Auto-generated method stub
byte[] keyByte=SerializableUtil.serialize(key);
byte[] valueByte=SerializableUtil.serialize(value);
this.jedisClient.set(keyByte, valueByte);
}
public Object removeObject(Object key) {
byte[] keyByte=SerializableUtil.serialize(key);
return this.jedisClient.expire(keyByte,0);
}
}
redis测试通过没问题,能取得到,在不开启缓存的情况下业务能进行