西川中学学生管理系统（伪）1.1版本

运行展示： 学了20天的萌新做的学生管理系统

Part 1 主界面

1.1 界面UI

===================================================
          ** 欢迎来到西川中学学生管理系统 **

                  ◕‿- 按1. 登录

                  ◕‿- 按2. 注册

                  ◕‿- 其他键. 退出

    ❀谨记戴高龄校长教导：不好好学习就切对门子上大学❀
===================================================

1.2 代码

import os
from teacher_main_page import teacher_main_page
from count_failure import count_tempt


@count_tempt
def login():
    """
    这个是登录并判断是否登录成功的函数
    :return:True或者False
    """
    teacher_infos = eval('[' + open('teacher_info.txt', 'r', encoding='utf-8').read() + ']')

    t_username = input('请输入用户名（2~6位）：')
    t_password = input('请输入密码（6~12位）：')

    for x in teacher_infos:
        if t_username == x['t_username']:
            if t_password == x['t_password']:
                return teacher_main_page(t_username)
            else:
                print('密码错误！')
                return False
    else:
        print('该用户名未注册！')
        return False


@count_tempt
def register():
    """
    这个是注册并判断是否注册成功的函数
    :return: True或False
    """
    teacher_infos = eval('[' + open('teacher_info.txt', 'r', encoding='utf-8').read() + ']')

    t_username = input('请输入中文用户名（2~6位）：')
    t_password = input('请输入密码（6~12位）：')

    if not 2 <= len(t_username) <= 6:
        print('用户名长度不符合规范！')
        return False

    elif [x for x in t_username if x < '一' or x > '龥']:
        print('用户名只支持中文！')
        return False

    else:
        pass

    for single_teacher in teacher_infos:
        if single_teacher['t_username'] == t_username:
            print('已有该账号！')
            return False

    if not 6 <= len(t_password) <= 12:
        print('密码长度不符合规范！')
        return False

    open('teacher_info.txt', 'a', encoding='utf-8').write(',{' + f"'t_username':'{t_username}', 't_password':'{t_password}'" + '}')
    print('注册成功！')
    return start_page()


def start_page():
    """
    这个是打印开始页面并得到用户登录/注册/退出选择的函数
    :return:无
    """
    print(open(r'pages\hello_page', mode='r', encoding='utf-8').read())

    if not os.path.exists('teacher_info.txt'):
        open('teacher_info.txt', 'w', encoding='utf-8').write(
            '{"t_username": "default", "t_password":"default"}')

    choice = input('请输入选项：')

    # 调用登录函数
    if choice == '1':
        login()

    # 调用注册函数
    elif choice == '2':
        register()

    else:
        print('退出成功！')
        return


start_page()

Part 2 教师主页面

1.1 界面UI

===================================================
             ** 欢迎您， %s 老师！ **

                  ☞   按1. 添加学生

                  ☞   按2. 查看学生

                  ☞   其他键. 返回

    ❀谨记戴高龄校长教导：不好好学习就切对门子上大学❀
===================================================

1.2 代码

import os


def teacher_main_page(t_username):
    """
    这个是打印教师个人主页面并收集教师接下来要进行的操作的函数
    :param t_username:教师用户名
    :return:下一个执行的函数
    """
    t = open(r'pages\teacher_main_page', encoding='utf-8')
    print(t.readline(), end='')
    print(t.readline() % (t_username), end='')
    print(t.read())
    t.close()

    # 创建学生信息初始文件
    if not os.path.exists(f'students_info\\stu_info_{t_username}.txt'):
        open(f'students_info\\stu_info_{t_username}.txt', 'w', encoding='utf-8').write(
            '{"s_username": "default", "age":"default", "tel":"default", "num":"stu0000"}')

    choice = input('请输入选择：')

    if choice == '1':
        from add_student import add_stu, add_success
        return add_stu(t_username)

    elif choice == '2':
        from check_func import check_main_page
        return check_main_page(t_username)

    else:
        from stu_manage_system import start_page
        return start_page()

Part 3 添加学生功能

def add_success(t_username):
    """
    这个是添加成功后让教师可以继续添加或返回教师主页面的函数
    :param t_username:教师姓名
    :return:添加函数或教师主页面
    """
    print('添加成功！\n1. 继续\n2. 返回')
    while True:
        try:
            choice = int(input('请输入选项数字（1~2）：'))
            if 1 <= choice <= 2:
                break
            else:
                print('只能输入1~2的数字！')
        except:
            print('只能输入1~2的数字！')

    # 调用登录函数
    if choice == 1:
        add_stu(t_username)

    # 调用注册函数
    elif choice == 2:
        from teacher_main_page import teacher_main_page
        teacher_main_page(t_username)


def add_stu(t_username):
    """
    这个是添加学生信息的函数
    :param t_username: 教师姓名
    :return: 无
    """
    s_username = input('请输入学生姓名：')

    while True:
        try:
            age = int(input('请输入学生年龄：'))
            break
        except:
            print('输入的年龄不是整数！')

    tel = input('请输入学生电话：')

    temp = int(
        eval("[" + open(f'students_info\\stu_info_{t_username}.txt', encoding='utf-8').read() + "]")[-1]["num"][3:]) + 1
    num = f'stu{temp:0>4}'

    open(f'students_info\\stu_info_{t_username}.txt', 'a', encoding='utf-8').write(
        ', {' + f'"s_username": "{s_username}", "age": {age}, "tel": "{tel}", "num": "{num}"' + '}')

    add_success(t_username)

Part 4 查看学生功能

4.1 查看界面UI

===================================================
                   请选择查看方式

                  ➥   按1. 查看所有学生

                  ➥   按2. 根据姓名查找

                  ➥   按3. 根据学号查找

                  ➥   其他键. 返回

    ❀谨记戴高龄校长教导：不好好学习就切对门子上大学❀
===================================================

4.2 修改或删除界面UI

===================================================
                请选择接下来要进行的操作

                  ♨   按1. 修改学生信息

                  ♨   按2. 删除学生

                  ♨   其他键. 返回

    ❀谨记戴高龄校长教导：不好好学习就切对门子上大学❀
===================================================

4.3 代码

def check_main_page(t_username):
    """
    这个是打印查看学生主页面和收集选项的函数
    :param t_username: 教师用户名
    :return: 下一个执行的函数
    """
    print(open(r'pages\check_page', encoding='utf-8').read())

    choice = input('请输入选择（1~4）：')

    if choice == '1':
        return check_all(t_username)

    elif choice == '2':
        return check_specific_name(t_username)

    elif choice == '3':
        return check_specific_num(t_username)

    else:
        from teacher_main_page import teacher_main_page
        return teacher_main_page(t_username)


def check_all(t_username):
    """
    这是查看所有学生的函数
    :param t_username: 教师名
    :return: 修改或删除主界面
    """
    all_stu_info = eval('[' + open(f'students_info\\stu_info_{t_username}.txt', 'r', encoding='utf-8').read() + ']')

    count_index = 0
    list_target = []

    for single_dict in all_stu_info:
        print(f'索引号：{count_index}', end='，')
        print('，'.join(f'{key}：{value}' for key, value in single_dict.items()))

        single_dict["索引号"] = count_index
        list_target += [single_dict]

        count_index += 1

    return change_del_main_page(t_username, list_target)


def check_specific_name(t_username):
    """
    这是按姓名查找学生的函数
    :param t_username: 教师名
    :return: 修改或删除主界面
    """
    all_stu_info = eval('[' + open(f'students_info\\stu_info_{t_username}.txt', 'r', encoding='utf-8').read() + ']')

    check_name = input('请输入要查询学生的姓名：')

    count_index = 0
    list_target = []

    for single_dict in all_stu_info:
        if single_dict['s_username'] == check_name:
            print(f'索引号：{count_index}', end='，')
            print('，'.join(f'{key}：{value}' for key, value in single_dict.items()))

            single_dict["索引号"] = count_index
            list_target += [single_dict]

            count_index += 1

    return change_del_main_page(t_username, list_target)


def check_specific_num(t_username):
    """
    这是按学号查找学生的函数
    :param t_username: 教师名
    :return: 修改或删除主界面
    """
    all_stu_info = eval('[' + open(f'students_info\\stu_info_{t_username}.txt', 'r', encoding='utf-8').read() + ']')

    check_num = input('请输入要查询学生的学号：')

    count_index = 0
    list_target = []

    for single_dict in all_stu_info:
        if single_dict['num'] == check_num:
            print(f'索引号：{count_index}', end='，')
            print('，'.join(f'{key}：{value}' for key, value in single_dict.items()))

            single_dict["索引号"] = count_index
            list_target += [single_dict]

            count_index += 1

    return change_del_main_page(t_username, list_target)


def change_del_main_page(t_username, list_target):
    """
    这是打印修改或删除主界面并收集选项的函数
    :param t_username: 教师名
    :param list_target: 上一步查看得到的学生信息列表
    :return: 修改或删除函数
    """
    print(open(r'pages\change_or_del', mode='r', encoding='utf-8').read())
    choice = input('请输入选项（1、2或其他）：')

    if choice == '1':
        from change_stu_info import change_info
        return change_info(t_username, list_target)

    elif choice == '2':
        from del_stu_info import del_info
        return del_info(t_username, list_target)

    else:
        return check_main_page(t_username)

Part 5 修改学生信息功能

5.1 界面UI

===================================================
                请选择接下来要修改的信息

                  ✧   按1. 修改学生姓名

                  ✧   按2. 修改学生年龄

                  ✧   按3. 修改学生电话

                  ✧   其他键. 返回

    ❀谨记戴高龄校长教导：不好好学习就切对门子上大学❀
===================================================

5.2 代码

def change_info(t_username, list_target):
    while True:
        try:
            search_code = int(input('请输入要修改学生的索引号：'))
            if search_code <= list_target[-1]["索引号"]:
                break
            else:
                print('输入的索引号必须在上面范围里！')
        except:
            print('索引号必须是数字！')

    for x in list_target:
        if search_code == x["索引号"]:
            num_target = x["num"]

    old_list = eval('[' + open(f'students_info\\stu_info_{t_username}.txt', encoding='utf-8').read() + ']')

    print(open('pages\\change_choice_page', encoding='utf-8').read())
    choice = input('请选择要修改的信息：')

    if choice == '1':
        new_name = input('请输入新的姓名：')
        for x in old_list:
            if x["num"] == num_target:
                x["s_username"] = new_name

    elif choice == '2':
        while True:
            try:
                new_age = int(input('请输入新的年龄：'))
                break
            except:
                print('年龄只能是整数！')

        for x in old_list:
            if x["num"] == num_target:
                x["age"] = new_age

    elif choice == '3':
        new_tel = input('请输入新的电话：')
        for x in old_list:
            if x["num"] == num_target:
                x["tel"] = new_tel

    else:
        from teacher_main_page import teacher_main_page
        return teacher_main_page(t_username)

    open(f'students_info\\stu_info_{t_username}.txt', mode='w', encoding='utf-8').write(f'{old_list}'[1:-1])

    print('修改成功！')

    input('输入任意键返回查看界面')

    from check_func import check_main_page
    return check_main_page(t_username)

Part 6 删除学生功能

def del_info(t_username, list_target):
    while True:
        try:
            search_code = int(input('请输入要删除学生的索引号：'))
            if search_code <= list_target[-1]["索引号"]:
                break
            else:
                print('输入的索引号必须在上面范围里！')
        except:
            print('索引号必须是数字！')

    for x in list_target:
        if search_code == x["索引号"]:
            num_target = x["num"]

    old_list = eval('[' + open(f'students_info\\stu_info_{t_username}.txt', encoding='utf-8').read() + ']')
    new_list = [x for x in old_list if not x["num"] == num_target]

    open(f'students_info\\stu_info_{t_username}.txt', mode='w', encoding='utf-8').write(f'{new_list}'[1:-1])

    print('删除成功！')

    input('输入任意键返回查看界面')

    from check_func import check_main_page
    return check_main_page(t_username)

Part 附录 统计失败次数装饰器

def count_tempt(f):
    """
    这个是统计错误次数的装饰器
    :param f:原函数
    :return:新函数
    """

    def new_f(*args, **kwargs):
        tempt = 1
        while tempt <= 5:
            result = f(*args, **kwargs)

            if result == False:
                print(f'失败次数：{tempt}')
                tempt += 1

            else:
                return result

        print('失败次数过多，请稍后尝试！')
        return result

    return new_f