摘要：` String hql = "from SysUser o join o.set where owner_id = :newName"; Query query = this.getCurrentSession().createQuery(hql); query.setParameter(0, u 阅读全文

摘要：文章一： 1.用hql语句 ` String hql="select student.id, student.name ,class.name from student映射实体类名 as student , class映射实体类名 as class where class.id = student. 阅读全文