python基础-10 程序目录结构 学生选课系统面向对象练习

一 程序目录结构

1 bin文件夹 二进制文件、代码程序  2 conf 配置文件  3 帮助文档  4 头文件库文件等

二 学生选课系统部分代码 未完待续

1 包内的__init__.py文件
在包下的脚本内 导入包内 的其他包下的文件也叫模块，在2.7下导入没有__init__.py 会报错。在3.5有没有这个文件以后没有影响了。

讲解：
    1 老师类 ： 需要有添加时间   加工资 减工资
    2 管理员类： 封装管理员用户名密码

bin 目录

 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
 import os, sys, pickle

 sys.path.append(os.path.dirname(os.path.dirname(__file__)))
 from lib.models import *
 from conf import settings

 def create_curriculum(admin_obj):
     curriculum_list = []
     if os.path.exists(settings.Teacher_dir):
         teacher_show = pickle.load(open(settings.Teacher_dir, "rb"))
         for i, item in enumerate(teacher_show, 1):  # 从1开始
             print(i, item.teacher_name)
         while True:
             curriculum_name = input("请输入课程名(q退出)：")
             if curriculum_name == "q":
                 break
             curriculum_cost = input("请输入费用：")
             curriculum_teacher = input("请输入老师编号：")
             curriculum_obj = Curriculum(curriculum_name, curriculum_cost,
                                         teacher_show[int(curriculum_teacher) - 1].teacher_name, admin_obj)
             curriculum_list.append(curriculum_obj)
         if os.path.exists(settings.Curriculum_dir):
             exist_curriculum = pickle.load(open(settings.Curriculum_dir, "rb"))
             curriculum_list.append(exist_curriculum)
         pickle.dump(curriculum_list, open(settings.Curriculum_dir, "wb"))
     else:
         print("还没有老师请先创建老师")

 def create_teacher(admin_obj):
     teacher_list = []
     while True:
         name = input("教师名字：(q退出)")
         if name == "q":
             break
         age = input("年龄")
         teacher_obj = Teacher(name, age, admin_obj)  # 创建老师
         teacher_list.append(teacher_obj)
     if os.path.exists(settings.Teacher_dir):
         exists_teacher = pickle.load(open(settings.Teacher_dir, "rb"))
         teacher_list.extend(exists_teacher)
     pickle.dump(teacher_list, open(settings.Teacher_dir, "wb"))

 def login(user, pwd):
     path = os.path.join(settings.Base_admin_dir, user)  # 用户名创建一个路径
     if os.path.exists(path):  # 判断路径是否存在，存在就是说明用户正确。
         admin_obj = pickle.load(open(path, "rb"))  # 获取用户名对应的对象。
         if admin_obj.login(user, pwd):  # 执行这个对象的登陆方法
             print("登录成功")
             while True:
                 inp = input("1、创建课程。2、创建老师(其他退出)\n>>>")
                 if inp == "":
                     create_curriculum(admin_obj)
                     continue
                 elif inp == "":
                     create_teacher(admin_obj)
                     continue
                 else:
                     break
         else:
             print("密码错误")
     else:
         print("账号不存在")

 def register(user, pwd):
     admin_obj = Admin()
     if admin_obj.register(user, pwd):
         print("管理员注册成功")
     else:
         print("管理员已存在")

 def main():
     inp = input("管理员1、登陆。2、注册。(其他退出)\n>>>")
     user = input("账号：")
     pwd = input("密码:")
     if inp == "":
         login(user, pwd)
     elif inp == "":
         register(user, pwd)
     else:
         pass

 if __name__ == "__main__":
     main()

administrator.py

 #!/usr/bin/env python
 # _*_ coding:utf-8 _*_
 import pickle, os, sys

 sys.path.append(os.path.dirname(os.path.dirname(__file__)))
 from lib.models import *
 from conf import settings

 def login(user, pwd):
     student_path = os.path.join(settings.Student_dir, user)
     if os.path.exists(student_path):
         student_obj = pickle.load(open(student_path, "rb"))
         if student_obj.login(user, pwd):
             print("登录成功")
             while True:
                 inp = input("1、上课。2、选课。3、查看课表。(其他退出)")
                 if inp == "":
                     study_curriculum(student_obj)
                     continue
                 elif inp == "":
                     select_curriculum(student_obj)
                     continue
                 elif inp == "":
                     curriculum_info(student_obj)
                     continue
                 else:
                     break
         else:
             print("登录失败")
     else:
         print("学生账号不存在")

 def register(user, pwd):
     student_obj = Student()

     if student_obj.register(user, pwd):
         print("学生注册成功")
     else:
         print("学生已存在")

 def curriculum_info(student_obj):
     print("已选课程信息：")
     if student_obj.curriculum:
         for i in student_obj.curriculum:
             print(i.curriculum_name, i.curriculum_teacher, i.curriculum_cost)
     else:
         print("课表为空")
     print("已上课表信息：")
     if student_obj.study:
         for i in student_obj.study:
             print(i.curriculum_name, str(student_obj.study[i]) + "次")
         pass
     else:
         print("已上课表为空")

 def study_curriculum(student_obj):

     for i, item in enumerate(student_obj.curriculum, 1):
         print(i, item.curriculum_name, item.curriculum_teacher, item.curriculum_cost)
     while True:
         inp = input("输入上课序号:(q退出)")
         if inp == "q":
             break
         else:
             if student_obj.curriculum_study(student_obj.curriculum[int(inp) - 1]):
                 print("上课成功")
                 continue
             else:
                 print("还没选课")
                 continue
     pickle.dump(student_obj, open(os.path.join(settings.Student_dir,student_obj.username), "wb"))

 def select_curriculum(student_obj):
     print("所有课程")
     curriculum_obj = pickle.load(open(settings.Curriculum_dir, "rb"))
     for i, item in enumerate(curriculum_obj, 1):
         print(str(i) + ":", item.curriculum_name, item.curriculum_cost, item.curriculum_teacher)
     while True:
         inp = input("请输入选课序号：(q退出)")
         if inp == "q":
             break
         else:
             select_curriculum_obj = curriculum_obj[int(inp) - 1]
             if student_obj.select_curriculum(select_curriculum_obj):
                 print("选课成功")
                 continue
             else:
                 print("已有课程，不用在选")
     pickle.dump(student_obj, open(os.path.join(settings.Student_dir,student_obj.username), "wb"))

 def main():
     inp = input("学生 1、登录。2、注册(任意推出)\n>>>")
     user = input("账号：")
     pwd = input("密码：")
     if inp == "":
         login(user, pwd)
     elif inp == "":
         register(user, pwd)
     else:
         pass

 if __name__ == "__main__":
     main()

student.py

conf目录

 import os

 Base_dir = os.path.dirname(os.path.dirname(__file__))
 Base_admin_dir = os.path.join(Base_dir, "db", "admin")
 Teacher_dir = os.path.join(Base_dir, "db", "teacher")
 Curriculum_dir = os.path.join(Base_dir, "db", "curriculum")
 Student_dir = os.path.join(Base_dir, "db", "student")

settings.py

db目录

管理员目录 存放密码文件 admin

学生目录 存放密码文件 student

lib 目录

 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
 import pickle, os, time
 from conf import settings

 class Admin:
     """
     管理员类，注册、登陆。
     """

     def __init__(self):
         self.username = None
         self.password = None

     def register(self, name, pwd):
         self.username = name
         self.password = pwd
         path = os.path.join(settings.Base_admin_dir, self.username)
         if os.path.exists(path):
             return False
         else:

             pickle.dump(self, open(path, 'xb'))  # xb如果没有就新建一个
             return True

     def login(self, name, pwd):
         if name == self.username and pwd == self.password:
             return True
         else:
             return False

 class Student:
     """
     管理员类，注册、登陆。
     """

     def __init__(self):
         self.username = None
         self.password = None

         self.curriculum = []
         self.study = {}

     def select_curriculum(self, curriculum_obj):
         if curriculum_obj in self.curriculum:
             return False
         else:
             self.curriculum.append(curriculum_obj)
             return True

     def curriculum_study(self, curriculum):
         if curriculum not in self.curriculum:
             return False
         elif curriculum not in self.study:
             self.study[curriculum] = 1
             return True
         else:
             self.study[curriculum] += 1
             return True

     def register(self, name, pwd):
         self.username = name
         self.password = pwd
         path = os.path.join(settings.Student_dir, self.username)
         if os.path.exists(path):
             return False
         else:

             pickle.dump(self, open(path, 'xb'))  # xb如果没有就新建一个
             return True

     def login(self, name, pwd):
         if name == self.username and pwd == self.password:
             return True
         else:
             return False

 class Curriculum:
     def __init__(self, name, cost, teacher, admin):
         self.curriculum_name = name
         self.curriculum_teacher = teacher
         self.curriculum_cost = cost
         self.create_time = time.strftime('%Y-%m-%d %H:%M:%S')
         self.create_admin = admin.username

 class Teacher:
     def __init__(self, name, age, admin):
         self.teacher_name = name
         self.teacher_age = age
         self.create_time = time.strftime('%Y-%m-%d %H:%M:%S')
         self.create_admin = admin.username

models.py