select school_class.class_id as classId,school_class.class_name as className from school_class join universities_colleges on
school_class.universities_colleges_id = universities_colleges.universities_colleges_id where universities_colleges.universities_colleges_id = #orgId# ORDER BY class_id
getClassListByMajorId
===
select class_id as id,class_name as name from school_class where university_system_id = #majorId#
select student_id as id,student_name as name,student.class_id as classId,school_class.class_name as className,student_sn as studentNo from student join school_class on student.class_id=school_class.class_id where student.class_id in (#classIds#)
select user_id as id,student_name as name,student.class_id as classId,school_class.class_name as className,student_sn as studentNo from student join school_class on student.class_id=school_class.class_id where student.class_id in (#classIds#)