32     <!-- 使用xml配置事务 -->
33     <aop:config>
34         <aop:pointcut id="transactionPointcut" expression="execution(* cn.itcast.service..*.*(..))" />
35         <aop:advisor advice-ref="txAdvice" pointcut-ref="transactionPointcut" />
36     </aop:config>
37     <tx:advice id="txAdvice" transaction-manager="txManager">
38         <tx:attributes>
39             <tx:method name="get*" read-only="true" propagation="NOT_SUPPORTED" />
40             <tx:method name="*" />
41         </tx:attributes>
42     </tx:advice>