<?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"
       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/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">

    <!-- 1.加载db配置文件  -->
    <context:property-placeholder location="classpath:db.properties"/>
    <!--配置连接池-->
    <bean id="DataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${driver}"></property>
        <property name="jdbcUrl" value="${url}"></property>
        <property name="user" value="${user}"></property>
        <property name="password" value="${password}"></property>
        <property value="30" name="maxPoolSize"/>
        <property value="2" name="minPoolSize"/>
    </bean>

    <!--    配置sqlsessionFactory工厂-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="DataSource"></property>
        <property name="configLocation" value="classpath:sqlMapConfig.xml"></property>
    </bean>

    <!--    配置Dao接口所在包-->
    <bean  class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.lu.dao"></property>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>


    <!--        开启注解的扫描,希望处理service和dao层，controller不需要spring框架去处理-->
    <context:component-scan base-package="com.lu">
        <!--    配置哪些注解不扫描-->
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>


    <!--    配置spring框架声明式事务-->
    <!--    配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="DataSource"></property>
    </bean>
    <!-- 6.开启事务注解-->
    <tx:annotation-driven transaction-manager="transactionManager"/>


</beans>

applicationContext.xml