尝试在subselect中使用另一个别名,如下所示:
public function findCourse(){ return $this->getEntityManager()->createQuery( 'SELECT c FROM Bundle:Course c WHERe c.numOrden=(SELECt max(co.numOrden) FROM Bundle:Course co )') ->getResult();}希望这个帮助

尝试在subselect中使用另一个别名,如下所示:
public function findCourse(){ return $this->getEntityManager()->createQuery( 'SELECT c FROM Bundle:Course c WHERe c.numOrden=(SELECt max(co.numOrden) FROM Bundle:Course co )') ->getResult();}希望这个帮助