使用@PATCH方法的Spring REST部分更新

您可以编写自定义更新查询，该查询仅更新特定字段：

@Overridepublic void saveManager(Manager manager) {      Query query = sessionFactory.getCurrentSession().createQuery("update Manager set username = :username, password = :password where id = :id");    query.setParameter("username", manager.getUsername());    query.setParameter("password", manager.getPassword());    query.setParameter("id", manager.getId());    query.executeUpdate();}