VIP23/04maven/spring/target/classes/applicationContext.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:context="http://www.springframework.org/schema/context" 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 https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">

<!--    外部资源导入-->
    <context:property-placeholder location="classpath:db.properties"></context:property-placeholder>

<!--    配置数据库-->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="username" value="${jdbc_user}"></property>
        <property name="password" value="${jdbc_password}"></property>
        <property name="url" value="${jdbc_url}"></property>
    </bean>


<!--    注册dao-->
    <bean id="accountDao" class="com.sf.dao.AccountDaoImpl">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

<!--    注册service-->

    <bean id="accountService" class="com.sf.service.AccountServiceImpl">
       <property name="accountDao" ref="accountDao"></property>
    </bean>

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

<!--    开启基于注解的事务管理-->
    <tx:annotation-driven transaction-manager="dataSourceTransactionManager"></tx:annotation-driven>
</beans>