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)
    
posted @ 2019-06-19 20:08  Hello_Jack  阅读(2925)  评论(0编辑  收藏  举报
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