关于spring的配置文件及事物回滚问题求教
初学spring,有几个问题弄不明白 ,请各位高手不惜赐教
关于后置环绕通知:
public void afterThrowing(Method m, Object[] args, Object target,
Throwable ex) {
SuperLogic sl = (SuperLogic)target;
try {
sl.getSqlMap().endTransaction();
System.out.println("endTransaction");// DEBUG
} catch (SQLException e) {
e.printStackTrace();
}
}
上述中printStackTrace()方法有什么作用,就是这个方法起到事物回滚的吗?
关于配置文件:
(1)ref 后面加local与bean是否有本质区别
<bean id="DAOBean" class="classes. DAOBean " >
<property name="sqlMap">
<ref local="sqlMap" />
</property>
</bean>
与
<bean id=" DAOBean " class=" classes. DAOBean " >
<property name="sqlMap">
<ref bean="sqlMap" />
</property>
</bean>
(2) list的用法,下面的bean可不可以将<list></list>去掉
下面三个bean的关系应该如何解释
<bean id="AppleDAO" class="org.springframework.aop.framework.ProxyFactoryBean" >
<property name="target">
<ref bean="AppleDAOBean" />
</property>
<property name="interceptorNames">
<list>
<value>loggingAdvisor</value>
</list>
</property>
</bean>
<bean id="loggingAdvisor"
class="org.springframework.aop.support.NameMatchMethodPointcutAdvisor" >
<property name="advice">
<ref local="loggingInterceptor" />
</property>
<property name="mappedNames">
<list>
<value>*select*</value>
<value>*insert*</value>
<value>*update*</value>
<value>*delete*</value>
</list>
</property>
</bean>
<bean id="loggingInterceptor" class="classes.LoggingInterceptor" />
写的很乱 请各位大侠看到什么有什么想说的都说上两句,新人万分感激