1、需求:
- 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
- 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
- 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
- 定义学校类,学校有属性(name,addr),可以添加课程
- 定义课程类,课程有属性(name),可以添加学生
2、代码
class Person(object):
def __init__(self,name,password):
self.name = name
self.password = password
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
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')
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')
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')
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')
admin = Admin('冉宏元','123')
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')
python = admin.create_coures('Python',21000)
linux = admin.create_coures('Linux',18000)
go = admin.create_coures('go',16000)
'''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)
nick = admin.create_teacher('nick','456')
tank = admin.create_teacher('tank','789')
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)
nick.scoring(one,linux,12)
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)