spring.xml
<!--拦截器 -->
<!-- <mvc:interceptors>
多个拦截器,顺序执行
<mvc:interceptor>
<mvc:mapping path="/**" />
<bean class="net.dfrz.interceptor.FileInterceptor"></bean>
</mvc:interceptor>
</mvc:interceptors> -->
<bean id="handlerExceptionResolver" class="net.dfrz.exception.MyExceptionResolver"/>