java aop返回值_Spring AOP的@Before咨询返回值

编辑2：

咨询 @Around("@annotation(CheckUserReservationPermission) && args(username,idReservation)")

public Object userCreationAdvice(ProceedingJoinPoint pjp, DeleteByIdRequest req) throws Throwable {

Reservation reservation = reservationServices.findById(idReservation);

if (!reservation.getUser().getUsername().equals(username)) {

throw new PermissionException("You can't delete the reservation with id: " + idReservation);}

req.setReservation(reservation);

return pjp.proceed(new Object[] {req});

}

2. 新要求POJO

class DeleteByIdRequest {

Reservation reservation;

String username;

Integer idReservation;

}

3.Target方法

@Override

@CheckUserReservationPermission

public void deleteReservationById(DeleteByIdRequest request) throws

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