spring.xml常用配置

<?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 http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
    <context:component-scan base-package="扫描service包"></context:component-scan>
            <context:property-placeholder location="classpath:jdbc.properties"></context:property-placeholder>
            <!--创建dbcp数据源连接池对象-->
            <bean name="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
                    <property name="driverClassName" value="${driver}"></property>
                    <property name="url" value="${url}"></property>
                    <property name="username" value="${user}"></property>
                    <property name="password" value="${password}"></property>
            </bean>
            <!--创建mybatis的SqlSessionFactory工厂类对象-->
            <bean class="org.mybatis.spring.SqlSessionFactoryBean">
                    <property name="dataSource" ref="dataSource"></property>
                    <!--指定mapper文件的地址 此处可以使用*号同配置，表示加载包下所有的xml结尾的mapper文件-->
                    <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
            </bean>
            <!--配置扫描mybatis的dao接口 ，会为dao接口创建myabtis的dao接口实现类对象，放置到session工厂中-->
            <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
                    <!--指定dao接口在哪个包中-->
                    <property name="basePackage" value="包名"></property>
            </bean>
            <!--声明spring 的事物管理器对象-->
            <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
                    <property name="dataSource" ref="dataSource"></property>
            </bean>
            <!--声明以注解的方式配置spring 的事物-->
            <tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>
    </beans>