Spring中关于事务的ApplicationContext.xml的配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns="http://www.springframework.org/schema/beans" 
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-4.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.2.xsd ">

<context:property-placeholder location="classpath:db.properties"  />

<!-- 配置数据库连接池 -->
<bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
	<property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
	<property name="driverClass" value="${jdbc.driverClass}"></property>
	<property name="user" value="${jdbc.user}"></property>
	<property name="password" value="${jdbc.password}"></property>
</bean>

<!-- 事务核心管理器，封装了所有事务操作 -->
<bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
	<property name="dataSource" ref="dataSource" ></property>
</bean>
<!-- 事务模板对象 -->
<bean name="transactionTemplate" class="org.springframework.transaction.support.TransactionTemplate" >
	<property name="transactionManager" ref="transactionManager" ></property>
</bean>

<!-- 配置UserDao -->
<bean name="AccountDao" class="com.huanfeng.dao.AccountDaoImpl">
	<property name="dataSource" ref="dataSource"></property>
</bean>                           
<bean name="AccountService" class="com.huanfeng.service.AccountServiceImpl">
	<property name="ad" ref="AccountDao"></property>
	<property name="tt" ref="transactionTemplate" ></property>
</bean>
</beans>