spring对事物的支持

 <!-- 事务管理器 对mybatis操作数据库事务控制，spring使用jdbc的事务控制类 -->  
    <bean id="transactionManager"  
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">  
        <!-- 数据源 dataSource在applicationContext-dao.xml中配置了 -->  
        <property name="dataSource" ref="dataSource" />  
    </bean>  
  
    <!-- 通知 -->  
    <tx:advice id="txAdvice" transaction-manager="transactionManager">  
        <tx:attributes>  
            <!-- 传播行为 -->  
            <tx:method name="save*" propagation="REQUIRED" />  
            <tx:method name="delete*" propagation="REQUIRED" />  
            <tx:method name="insert*" propagation="REQUIRED" />  
            <tx:method name="update*" propagation="REQUIRED" />  
            <tx:method name="find*" propagation="SUPPORTS" read-only="true" />  
            <tx:method name="get*" propagation="SUPPORTS" read-only="true" />  
            <tx:method name="select*" propagation="SUPPORTS" read-only="true" />  
        </tx:attributes>  
    </tx:advice>  
    <!-- aop -->  
    <aop:config>  
        <aop:advisor advice-ref="txAdvice"  
            pointcut="execution(* com.james.ssm.service.impl.*.*(..))" />  
    </aop:config>