单项选择题
A.execution(void com.mhys.demo.UserServiceImpl.save())B.execution(*com.mhys.demo.UserServiceImpl.save())C.execution(*com.mhys.demo.UserServiceImpl.*())D.execution(com.mhys.demo.*ServiceImpl.*())
A.定义异常增强B.抛出一个异常C.用于捕获异常D.定义后置增强
A.定义引介增强B.定义环绕增强C.定义前置增强D.定义后置增强