python面向對象之練習題1

1. 定義管理員類，管理員有屬性(name,password)，可以創建學校、創建課程、創建老師

2. 定義老師類，老師有屬性(name,password)，可以添加課程、給學生打分,但發現學生沒有購買課程時，不能打分，並給出提示

3. 定義學生類，學生有屬性(name,password)，可以獲取當前學校、選擇學校、選擇課程，但學校沒有該課程時，需要提示，並且不能選擇該課程

4. 定義學校類，學校有屬性(name,addr)，可以添加課程

5. 定義課程類，課程有屬性(name)，可以添加學生

   # 人類
   class Person(object):
       def __init__(self,name,password):
           self.name = name
           self.password = password
   
   # 管理員類，繼承Person
   class Admin(Person):
       school_list = []
       def __init__(self,name,password):
           super().__init__(name,password)
   
       def create_school(self,school_name,school_addr):
           school = School(school_name,school_addr)
           Admin.school_list.append(school)
           print(f'{self.name} 創建了 {school.name}')
           return school
   
       def create_coures(self,course_name,course_prize):
           course = Course(course_name,course_prize)
           print(f'{self.name} 創建了 {course.name}課程')
           return course
   
       def create_teacher(self,teacher_name,teacher_passwd):
           teacher = Teacher(teacher_name,teacher_passwd)
           print(f'{self.name}  招聘  {teacher.name}為老師')
           return  teacher
   
   # 教師類，繼承Person
   class Teacher(Person):
       def __init__(self,name,password):
           super().__init__(name,password)
           self.courses = list()
   
       def add_course(self,course):
           self.courses.append(course)
           print(f'{self.name} 增加了 {course.name}')
   
       def scoring(self, student,course, grade):
           print("開始打分")
           if course in  student.courses:
               print(f'{self.name} 老師給 {student.name} 的{course.name}打了 {grade}分')
           else:
               print(f'{self.name}老師發現 學生{student.name} 沒有購買{course.name}課程')
   
   # 學生類，繼承Person
   class Student(Person):
       def __init__(self,name,password):
           super().__init__(name,password)
           self.courses = list()
           self.school = ''
   
       def get_school_list(self,admin):
           for i in admin.school_list:
               print(f'當前學校有{i.name}')
   
       def choice_school(self,school):
           self.school = school
           print(f'{self.name} 選擇了 {school.name}')
   
       def choice_course(self,course):
           if course.name in self.school.courses:
               self.courses.append(course)
               course.students.append(self.name)
               print(f'{self.name} 選擇了 {course.name} 課程')
           else:
               print(f'{self.school.name} 沒有 {course.name} 課程')
   
   
   # 學校類
   class School(object):
       def __init__(self,name,addr):
           self.name = name
           self.addr = addr
           self.courses = list()
       def add_course(self,course):
           course_name = course.name
           self.courses.append(course_name)
           print(f'{self.name} 學校 增加了 {course_name}課程')
   
   # 課程類
   class Course(object):
       def __init__(self,name,prize):
           self.name = name
           self.prize = prize
           self.students = list()
   
       def add_student(self,student):
           self.students.append(student)
           print(f'{student} 學了 {self.name}課程')
   
   
   # 管理員
   admin = Admin('冉宏元','123')
   
   # 管理員創建了school
   bj_school = admin.create_school('北京oldboy教育公司','北京')
   sz_school = admin.create_school('深圳oldboy教育公司','深圳')
   sh_school = admin.create_school('上海oldboy教育公司','上海')
   wh_school = admin.create_school('武漢oldboy教育公司','武漢')
   
   # 管理員創建了課程
   python = admin.create_coures('Python',21000)
   linux = admin.create_coures('Linux',18000)
   go = admin.create_coures('go',16000)
   
   
   # 學校增加課程
   '''北京'''
   bj_school.add_course(python)
   bj_school.add_course(linux)
   bj_school.add_course(go)
   '''上海'''
   sh_school.add_course(go)
   sh_school.add_course(python)
   '''武漢'''
   wh_school.add_course(linux)
   '''深圳'''
   sz_school.add_course(python)
   sz_school.add_course(go)
   
   # 管理員招聘老師
   nick = admin.create_teacher('nick','456')
   tank = admin.create_teacher('tank','789')
   
   # 學生
   one = Student('張三','123')
   one.get_school_list(admin)
   one.choice_school(sh_school)
   one.choice_course(linux)
   one.choice_course(python)
   one.choice_course(go)
   
   two = Student('李四','123')
   two.get_school_list(admin)
   two.choice_school(wh_school)
   two.choice_course(linux)
   two.choice_course(python)
   two.choice_course(go)
   
   
   # 老師給學生打分
   nick.scoring(one,linux,12)
   
   
   # 打印one學生的課程記錄
   print("打印one學生的課程記錄")
   for i in one.courses:
       print(i.name)
   
   
   print("打印two學生的課程記錄")
   for i in two.courses:
       print(i.name)
   
   
   '''打印python課程學習的人'''
   for i in python.students:
       print(i)
   '''打印linux課程學習的人'''
   for i in linux.students:
       print(i)
   '''打印go課程學習的人'''
   for i in go.students:
       print(i)