哟可以做这样的事情：
@ControllerAdvice
public class ControllerExceptionTranslator {
@ExceptionHandler(EntityNotFoundException.class)
@ResponseStatus(HttpStatus.NOT_FOUND)
@ResponseBody
SimpleErrorMessage handleException(EntityNotFoundException exception){
log.debug("Entity Not Found Exception {}",exception.getMessage());
log.trace(exception.getMessage(),exception);
return new SimpleErrorMessage("Entity not found","This resource was not found");
}
@ExceptionHandler({UsernameNotFoundException.class})
@ResponseStatus(HttpStatus.UNAUTHORIZED)
@ResponseBody
SimpleErrorMessage handleException(UsernameNotFoundException exception){
log.debug("Username not found {}",exception.getLocalizedMessage());
log.trace(exception.getMessage(),exception);
return new SimpleErrorMessage("Unaouthorized"," ");
}
}
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