mybatis的dao层和service层的编码设计的配置

/**

书写pojo类------》dao接口------》resources下建立同路径的dao.xml------》配置applicationContext.xml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:context="http://www.springframework.org/schema/context"
       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.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">

    <!--dao层配置文件开始-->

    <!--配置数据源-->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql:///maven"/>
        <property name="username" value="root"/>
        <property name="password" value="123"/>
    </bean>

    <!--配置生产SqlSession对象的工厂-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <!--扫描pojo包，给包下的所有pojo对象起别名-->
        <property name="typeAliasesPackage" value="com.hope.domain"/>
    </bean>

    <!--扫描接口包路径，生成包下所有接口的代理对象，并且放入到spring容器中-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.hope.dao"/>
    </bean>
    <!--dao层配置文件结束-->

<!--service层配置文件开始-->

 <!--组件扫描配置-->
 <context:component-scan base-package="com.hope.service"></context:component-scan>

 <!--aop面向切面编程，切面就是切入点和通知的组合-->

 <!--配置事务管理器-->
<bean id="transactionManager"  class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource"></property>
</bean>

 <!--配置事务的通知-->
 <tx:advice id="txAdvice">
     <tx:attributes>
         <tx:method name="update*" propagation="REQUIRED"/>
         <tx:method name="delete*" propagation="REQUIRED"/>
         <tx:method name="save*" propagation="REQUIRED"/>
         <tx:method name="find*" read-only="true"/>
         <tx:method name="*" propagation="REQUIRED"/>
     </tx:attributes>
 </tx:advice>

 <!--配置切面-->
 <aop:config>
     <!--切点-->
     <aop:pointcut id="pointcut" expression="execution(* com.hope.service.impl.*.*(..))"/>
     <aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut"/>
 </aop:config>
 <!--service层配置文件结束-->

</beans>