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  • python面向对象之练习题1

    1. 定义管理员类,管理员有属性(name,password),可以创建学校、创建课程、创建老师

    2. 定义老师类,老师有属性(name,password),可以添加课程、给学生打分,但发现学生没有购买课程时,不能打分,并给出提示

    3. 定义学生类,学生有属性(name,password),可以获取当前学校、选择学校、选择课程,但学校没有该课程时,需要提示,并且不能选择该课程

    4. 定义学校类,学校有属性(name,addr),可以添加课程

    5. 定义课程类,课程有属性(name),可以添加学生

      # 人类
      class Person(object):
          def __init__(self,name,password):
              self.name = name
              self.password = password
      
      # 管理员类,继承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} 创建了 {school.name}')
              return school
      
          def create_coures(self,course_name,course_prize):
              course = Course(course_name,course_prize)
              print(f'{self.name} 创建了 {course.name}课程')
              return course
      
          def create_teacher(self,teacher_name,teacher_passwd):
              teacher = Teacher(teacher_name,teacher_passwd)
              print(f'{self.name}  招聘  {teacher.name}为老师')
              return  teacher
      
      # 教师类,继承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("开始打分")
              if course in  student.courses:
                  print(f'{self.name} 老师给 {student.name} 的{course.name}打了 {grade}分')
              else:
                  print(f'{self.name}老师发现 学生{student.name} 没有购买{course.name}课程')
      
      # 学生类,继承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'当前学校有{i.name}')
      
          def choice_school(self,school):
              self.school = school
              print(f'{self.name} 选择了 {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} 选择了 {course.name} 课程')
              else:
                  print(f'{self.school.name} 没有 {course.name} 课程')
      
      
      # 学校类
      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} 学校 增加了 {course_name}课程')
      
      # 课程类
      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} 学了 {self.name}课程')
      
      
      # 管理员
      admin = Admin('冉宏元','123')
      
      # 管理员创建了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('武汉oldboy教育公司','武汉')
      
      # 管理员创建了课程
      python = admin.create_coures('Python',21000)
      linux = admin.create_coures('Linux',18000)
      go = admin.create_coures('go',16000)
      
      
      # 学校增加课程
      '''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)
      '''武汉'''
      wh_school.add_course(linux)
      '''深圳'''
      sz_school.add_course(python)
      sz_school.add_course(go)
      
      # 管理员招聘老师
      nick = admin.create_teacher('nick','456')
      tank = admin.create_teacher('tank','789')
      
      # 学生
      one = Student('张三','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)
      
      
      # 老师给学生打分
      nick.scoring(one,linux,12)
      
      
      # 打印one学生的课程记录
      print("打印one学生的课程记录")
      for i in one.courses:
          print(i.name)
      
      
      print("打印two学生的课程记录")
      for i in two.courses:
          print(i.name)
      
      
      '''打印python课程学习的人'''
      for i in python.students:
          print(i)
      '''打印linux课程学习的人'''
      for i in linux.students:
          print(i)
      '''打印go课程学习的人'''
      for i in go.students:
          print(i)
      
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  • 原文地址:https://www.cnblogs.com/plf-Jack/p/11054248.html
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