spring 加mybatis的配置文件

<?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"
    xmlns:jdbc="http://www.springframework.org/schema/jdbc"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="
     http://www.springframework.org/schema/context
     http://www.springframework.org/schema/context/spring-context.xsd
     http://www.springframework.org/schema/tx
     http://www.springframework.org/schema/tx/spring-tx.xsd
     http://www.springframework.org/schema/aop
     http://www.springframework.org/schema/aop/spring-aop.xsd
     http://www.springframework.org/schema/jdbc
     http://www.springframework.org/schema/jdbc/spring-jdbc.xsd
     http://www.springframework.org/schema/beans
     http://www.springframework.org/schema/beans/spring-beans.xsd">
     <!--扫描包-->
     <context:component-scan base-package="cn.itcast.yidu"/>
     
    <!--数据源-->
    <context:property-placeholder location="classpath:jdbc.properties"/>  
    <bean id ="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">   
    <property name="driverClassName" value="${jdbc.driver}"/>
    <property name="url"             value="${jdbc.url}"/>
    <property name="password"        value="${jdbc.password}"/>  
    <property name="username"        value="${jdbc.username}"/>
    </bean>   
    <!-- 扫描mapper下的 xml文件 -->   
     <bean id ="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
       <property name="dataSource" ref="dataSource"/>
       <property name="mapperLocations" value="classpath:cn/itcast/yidu/mapper/*.xml"/>
    </bean>
    
    <!-- 扫描 mapper 接口文件 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer" >
    <property name="basePackage" value="cn.itcast.yidu.mapper"/>
    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>
    <!-- 注入-->
    
    <!--spring 事物管理-->
    <bean id="DataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" autowire="byType">
        <property name="dataSource" ref="dataSource"/>
     </bean>
     <!--注解配置-->
    <tx:annotation-driven transaction-manager="DataSourceTransactionManager"/>
    
    </beans>