Spring使用xml文件形式配置事务

<?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"
	xmlns:aop="http://www.springframework.org/schema/aop"
	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-4.0.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
	
		<!-- 导入class类路径下db.properties -->
		<context:property-placeholder location="classpath:db.properties"/>

		<!--配置c3p0数据源  -->
		<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
			<property name="user" value="${jdbc.user}"></property>
			<property name="password" value="${jdbc.password}"></property>
			<property name="jdbcUrl" value="${jdbc.url}"></property>
			<property name="driverClass"  value="${jdbc.driverClass}"></property>
		</bean>
		
		<!-- 配置spring的jdbcTemplate -->
		<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
			<property name="dataSource" ref="dataSource"></property>
		</bean>
		
		<!--配置BookShopDaoImpl -->
		<bean id="bookShopDao" 
		class="com.dhx.tx.xml.BookShopDaoImpl">
			<property name="jdbcTemplate" ref="jdbcTemplate"></property>
		</bean>
		
		<!-- 配置BookShopServiceImpl -->
		<bean id="bookShopService"
		class="com.dhx.tx.xml.BookShopServiceImpl">
			<property name="bookShopDao" ref="bookShopDao"></property>
		</bean>
		
		<!--  -->
		<bean id="cashier"
		class="com.dhx.tx.xml.CashierImpl">
			<property name="bookShopService" ref="bookShopService"></property>
		</bean>
		
		<!--1.配置事务管理器  -->
		<bean id="transactionManager" 
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
			<property name="dataSource" ref="dataSource"></property>
		</bean>
		
		<!--2.配置事务的属性  -->
		<tx:advice id="txAdvice" transaction-manager="transactionManager">
			<tx:attributes>
				<!--根据方法名指定事务的属性  -->
				<tx:method name="purchase" propagation="REQUIRED"/>
				<tx:method name="*"/>
			</tx:attributes>
		</tx:advice>
		
		<!--3.配置事务切入点，以及把事务切入点和事务属性关联起来-->
		<aop:config>
			<aop:pointcut expression="execution (* com.dhx.tx.xml.BookShopService.*(..))" id="txpointcut"/>
			<aop:advisor advice-ref="txAdvice" pointcut-ref="txpointcut"/>
		</aop:config>

</beans>