Question

spring MVC 拦截器怎么获取controller返回值

Answer 1

使用aspectj可以实现。

<aop:aspectj-autoproxy proxy-target-class="true"/>
<beans:bean id="validInterceptor" class="com.XXX.ValidInterceptor" />
<aop:config>
<aop:pointcut id="validPoint" expression="execution(public * com.XXX.controller.*.*(..)) "/>
<aop:advisor pointcut-ref="validPoint" advice-ref="validInterceptor"/>
</aop:config>

Answer 2

根据实例类型，强制转换

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