friend
public
Administrator
Teacher
-teach_kecheng_num:int-kecheng:char[TEACH_MAX]-scoreinfo:ScoreInfo[TEACH_MAX]-teacher_number:int
+SetScoreInfo():void+Teacher()+Show():void+PrintScore(Kecheng&):void
Kecheng
-kechengming:char[40]-teacher_name:char[20]-volumn:int-kecheng_num:int-credit:int-attend_student:int[KECHENG_MAX+1][2]-average:float-kecheng_number:int
Individual
#name:char[30]#ID:int#password:char[10]#type:int#department:char[30]
Assist
#add_kecheng_num:int#add_kecheng_name:char[40]#add_credit:int#add_teacher:char[20]
Student
-banji:int-grade:int-student_number:int-mark:MARK-kechenghao:int[200]-total_credit:int-total_kecheng:int
+Student()+Show():void+Register(Kecheng&):void+AddKecheng(kec_num):void+GetSimpleKecheng(kec_num:int):void+CalculateAverage():void
