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 == "1":
                    create_curriculum(admin_obj)
                    continue
                elif inp == "2":
                    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 == "1":
        login(user, pwd)
    elif inp == "2":
        register(user, pwd)
    else:
        pass


if __name__ == "__main__":
    main()

#!/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 == "1":
                    study_curriculum(student_obj)
                    continue
                elif inp == "2":
                    select_curriculum(student_obj)
                    continue
                elif inp == "3":
                    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 == "1":
        login(user, pwd)
    elif inp == "2":
        register(user, pwd)
    else:
        pass


if __name__ == "__main__":
    main()

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")

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