第六周作业——选课系统

Posted 2020-10-07 东大网管

选课系统：

角色:学校、学员、课程、讲师

要求:

1. 创建北京、上海 2 所学校

2. 创建linux , python , go 3个课程 ， linux\py 在北京开， go 在上海开

3. 课程包含，周期，价格，通过学校创建课程

4. 通过学校创建班级， 班级关联课程、讲师

5. 创建学员时，选择学校，关联班级

5. 创建讲师角色时要关联学校，

6. 提供两个角色接口

6.1 学员视图， 可以注册， 交学费， 选择班级，

6.2 讲师视图， 讲师可管理自己的班级， 上课时选择班级， 查看班级学员列表 ， 修改所管理的学员的成绩

6.3 管理视图，创建讲师， 创建班级，创建课程

7. 上面的操作产生的数据都通过pickle序列化保存到文件里

import pickle
import os

BASE_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
db_path = BASE_PATH + ‘/db‘
admin_path  = db_path + ‘/admin‘
classes_path = db_path + ‘/classes‘
course_path = db_path + ‘/course‘
school_path = db_path + ‘/school‘
student_path = db_path + ‘/student‘
teacher_path = db_path + ‘/teacher‘

# with open(classes_path + ‘/1‘,‘r‘) as f:
#     for line in f:
#         print(line)

class Admin_base(object):
    def __init__(self):
        pass
    #创建类方法，本身就是类的功能，不需要进行实例化，分别为存入和取出数据
    @staticmethod
    def save_pickle(save_dict,save_path):
        pickle.dump(save_dict,open(save_path,‘wb‘))
    @staticmethod
    def read_pickle(save_path):
        read_dict = pickle.load(open(save_path,‘rb‘))
        return read_dict
    #创建学校的方法
    @staticmethod
    def create_school():
        school_name = input(‘请输入学校名称：‘).strip()
        school_add = input(‘请输入学校地址：‘).strip()
        school_classes = input(‘请输入学校班级：‘).strip()
        school_course = input(‘请输入学校课程：‘).strip()
        school_teacher = input(‘请输入老师姓名:‘).strip()
        save_dict = {}
        save_dict[‘name‘] = school_name
        save_dict[‘address‘] = school_add
        save_dict[‘classes‘] = school_classes
        save_dict[‘course‘] = school_course
        save_dict[‘teacher‘] = school_teacher
        save_path = school_path + ‘/%s%s‘%(school_name,school_add)
        Admin_base.save_pickle(save_dict,save_path)
        #创建班级的方法

    @staticmethod
    def create_classes():
        classes_name = input(‘请输入班级名称：‘).strip()
        classes_course = input(‘请输入班级课程:‘).strip()
        save_dict = {}
        save_dict[‘name‘] = classes_name
        save_dict[‘course‘] = classes_course
        save_path = classes_path + ‘/%s‘%(classes_name)
        Admin_base.save_pickle(save_dict, save_path)
        #创建老师

    @staticmethod
    def create_teacher():
        teacher_name = input(‘请输入老师名称：‘).strip()
        teacher_course = input(‘请输入课程名称：‘).strip()
        save_dict = {}
        save_dict[‘name‘] = teacher_name
        save_dict[‘course‘] = teacher_course
        save_path = teacher_path + ‘/%s‘ % (teacher_name)
        Admin_base.save_pickle(save_dict, save_path)
        #创建课程

    @staticmethod
    def create_course():
        course_name = input(‘请输入课程名称：‘).strip()
        course_teacher = input(‘请输入老师名称：‘).strip()
        save_dict = {}
        save_dict[‘name‘] = course_name
        save_dict[‘course‘] = course_teacher
        save_path = course_path + ‘/%s‘ % (course_name)
        Admin_base.save_pickle(save_dict, save_path)
        # 创建学生

    @staticmethod
    def create_student():
        student_name = input(‘请输入学生名称：‘).strip()
        student_course = input(‘请输入课程名称：‘).strip()
        save_dict = {}
        save_dict[‘name‘] = student_name
        save_dict[‘course‘] = student_course
        save_dict[‘school‘] = ‘None‘
        save_path = student_path + ‘/%s‘ % (student_name)
        Admin_base.save_pickle(save_dict, save_path)

class Student(Admin_base):
    def __init__(self):
        Admin_base.__init__(self)
    @staticmethod
    def student_option():
        username = input(‘请输入您的姓名:‘).strip()
        school_all = os.listdir(school_path)
        school_name_list = []
        for school_name in school_all:
            school_dict = Admin_base.read_pickle(school_path + ‘/%s‘%(school_name))
            school_name_list.append(school_dict[‘name‘])
        course_all = os.listdir(course_path)
        print(‘可选的学校如下：‘,school_name_list)
        school_option = input(‘请输入您选择的学校：‘).strip()
        print(‘可选的课程如下：‘,course_all)
        course_option = input(‘请输入您选择的课程：‘).strip()
        save_dict = {}
        save_dict[‘name‘] = username
        save_dict[‘course‘] = course_option
        save_dict[‘school‘] = school_option
        save_path = classes_path + ‘/%s‘ % (username)
        Admin_base.save_pickle(save_dict, save_path)

class Teacher(Admin_base):
    def __init__(self):
        Admin_base.__init__(self)
    @staticmethod
    def check_course():
        course_all = os.listdir(course_path)
        print(‘课程如下：‘,course_all)
        course_option = input(‘请选择您的课程：‘).strip()
        student_all = os.listdir(student_path)
        student_now_course = []
        for student_one in student_all:
            save_path = student_path + ‘/%s‘%(student_one)
            save_dict = Admin_base.read_pickle(save_path)
            if  save_dict[‘course‘] == course_option:
                student_now_course.append(save_dict[‘name‘])
            else:
                pass
        print(‘您的学生列表：‘,student_now_course)





def login_read():
    while 1:
        option = input(‘请选择您要进行的操作：‘
                       ‘1.管理‘
                       ‘2.学生‘
                       ‘3.老师‘
                       ‘4.退出‘)
        a = True
        while a:
            if option == ‘1‘:
                username = input(‘请输入用户名：‘)
                password = input(‘请输入密码:‘)
                username_path = admin_path + ‘/%s‘%(username)
                if os.path.exists(username_path):
                    admin_dict = Admin_base.read_pickle(username_path)
                    if password == admin_dict[‘password‘]:
                        print(‘登录成功！‘)
                        option_next = input(‘请选择您要进行的操作：‘
                                            ‘1.新建学校‘
                                            ‘2.新建班级‘
                                            ‘3.新建课程‘
                                            ‘4.新建老师‘
                                            ‘5.新建学生‘
                                            ‘6.返回‘)
                        if option_next == ‘1‘:
                            Admin_base.create_school()
                            break
                        if option_next == ‘2‘:
                            Admin_base.create_classes()
                            break
                        if option_next == ‘3‘:
                            Admin_base.create_course()
                            break
                        if option_next == ‘4‘:
                            Admin_base.create_teacher()
                            break
                        if option_next == ‘5‘:
                            Admin_base.create_student()
                            break
                        if option_next == ‘6‘:
                            a = False
                        else:
                            print(‘输入有误！‘)
                            break
                    else:
                        print(‘密码错误！‘)
                        break
                else:
                    print(‘用户名错误!‘)
                    break
            if option == ‘2‘:
                Student.student_option()
                break
            if option == ‘3‘:
                Teacher.check_course()
                break
            if option == ‘4‘:
                exit()
            else:
                print(‘输入错误！‘)
                break


# a = pickle.load(open(school_path + ‘/老男孩北京‘,‘rb‘))
# print(a)

# a =  os.listdir(admin_path)
# print(a)
if __name__ == ‘__main__‘:
    login_read()

# login_read()
# save_dict = {‘username‘:‘admin‘,‘password‘:‘admin‘}
# save_path = admin_path + ‘/admin‘
# Admin_base.save_pickle(save_dict,save_path)

 

7. 上面的操作产生的数据都通过pickle序列化保存到文件里