事务配置

<?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: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-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd ">


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


<!-- 配置数据源 -->


<bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClass}"></property>
<property name="jdbcUrl" value="${jdbc.url}"></property>
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</bean>


<!-- spring事务管理器 -->
<bean name="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>


<!-- 使用tx命名空间
设置事务通知
id: 事务通知的名称
transaction-manager: 事务管理器
 -->
  <tx:advice id="tsAdvice" transaction-manager="transactionManager">
  <tx:attributes>
  <!-- 以方法为单位,进行事务属性配置
  isolation: 隔离级别
  propagation: 传播行为
  no-rollback-for 出现哪个异常不回滚
   rollback-for 出现哪个异常就回滚
   timeout : 事务超时时间
   read-only : 事务是否是只读事务.不允许进行任何修改操作
  -->
  <tx:method name="*" isolation="REPEATABLE_READ" 
  propagation="REQUIRED" timeout="-1"  />
  </tx:attributes>
  </tx:advice>

<aop:config  >
<aop:pointcut id="servicePC" expression="execution( * cn.itcast.d_ts.*Service.*(..))"/>
<aop:advisor advice-ref="tsAdvice" pointcut-ref="servicePC" />
</aop:config>


<!-- 配置dao -->
<bean name="bd" class="cn.itcast.d_ts.BalanceDao">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 配置service -->
<bean name="bs" class="cn.itcast.d_ts.BalanceService">
<property name="bd" ref="bd"></property>
</bean>
</beans>