关于事务回滚

<bean id="txProxyTemplate" abstract="true"  

        class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">  

        <property name="transactionManager" ref="transactionManager"/>  

        <property name="transactionAttributes">  

            <props>  

                <prop key="set*">PROPAGATION_REQUIRED</prop>  

                <prop key="save*">PROPAGATION_REQUIRED</prop>  

                <prop key="update*">PROPAGATION_REQUIRED</prop>  

                <prop key="remove*">PROPAGATION_REQUIRED</prop>  

                <prop key="*">PROPAGATION_REQUIRED,readOnly</prop>  

            </props>  

        </property>  

    </bean>  

       

       

     <bean id="departmentLibManager" parent="txProxyTemplate">  

        <property name="target">  

            <bean class="com.ideal.iim.service.impl.DepartmentLibManagerImpl">  

                <property name="departmentLibDAO" ref="departmentLibDAO"/>  

                <property name="groupHandler" ref="groupHandler"/>  

                <property name="sessionFactory" ref="sessionFactory"/>  

            </bean>  

        </property>  

        <!-- Override default transaction attributes b/c of LoginCookie methods -->  

           

              

    </bean>