MyBatis如何使用(三)

<?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>
<typeAliases> 
<typeAlias alias="Message" type="com.cn.imooc.entity.Message"/> 
</typeAliases> 
<mappers>
<mapper resource="com/cn/mappers/message.xml"/>
</mappers>
</configuration> 

<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-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">
<bean id="address" class="com.cn.test.spring.Address"></bean>
<!-- 引入jdbc配置文件 --> 
<!--
<context:property-placeholder location="jdbc.properties"/> 
-->
<!--1、创建jdbc数据源 --> 
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource" > 
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://127.0.0.1:3306/weixin?useUnicode=true&amp;characterEncoding=UTF-8" />
<property name="username" value="root"/>
<property name="password" value="123456"/> 
</bean> 
<!--2、sqlSessionFactoryBean--> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocation" value="classpath:MybatisConfiguration.xml"></property>
<!--
<property name="mapperLocations" value="classpath:com/cn/mappers/message.xml"></property>
-->
</bean>
<bean id="messageMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="mapperInterface" value="com.cn.inter.IMessageOperation" />
<property name="sqlSessionFactory" ref="sqlSessionFactory" />
</bean>
</beans> 

package com.cn.test.spring;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.support.SqlSessionDaoSupport;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.cn.imooc.entity.Message;
import com.cn.inter.IMessageOperation;
public class TestSpringAndMybatis {
public static void main(String[] args) {
// TODO Auto-generated method stub
//获得spring的配置
ClassPathXmlApplicationContext cpxac=new ClassPathXmlApplicationContext("spring-application.xml");
//获得IMessageOperation接口类
IMessageOperation imo=(IMessageOperation)cpxac.getBean("messageMapper");
Message m=imo.selectMessageById("2");
System.out.println(m);
}
}