spring简洁的事务配置

	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="configLocation">
			<value>classpath:hibernate.cfg.xml</value>
		</property>
	</bean>
	<!-- 配置事务管理器 
		<bean id="txManager"
		class="org.springframework.orm.hibernate3.HibernateTransactionManager">
		<property name="sessionFactory" ref="sessionFactory" />
		</bean>
	-->
	<bean id="txManager"
		class="org.springframework.orm.hibernate3.HibernateTransactionManager">
		<property name="sessionFactory">
			<ref bean="sessionFactory" />
		</property>
	</bean>

	<!-- 配置事务的传播特性 -->
	<tx:advice id="txAdvice" transaction-manager="txManager">
		<tx:attributes>
			<tx:method name="add*" propagation="REQUIRED" />
			<tx:method name="*" read-only="true" />
		</tx:attributes>
	</tx:advice>
	<!-- 那些类的哪些方法参与事务 -->
	<aop:config>
		<aop:pointcut id="allAddMethod"
			expression="execution(* com.mackie.usermgr.dao.*.*(..))" />
		<aop:advisor pointcut-ref="allAddMethod" advice-ref="txAdvice" />
	</aop:config>