Python實(shí)現(xiàn)學(xué)生管理系統(tǒng)的完整代碼(面向?qū)ο?

"""
Project: ClassStudent
Creator: 貓貓
Create time: 2021-03-04 08:18
IDE: PyCharm
Introduction:https://blog.csdn.net/Cantevenl/article/details/115439530
"""
base_dir = 'files/'  # 定義一個(gè)變量 文件路徑

# 讀文件的函數(shù)
def read_file(file_name):
    try:
        with open(base_dir + file_name, 'r', encoding='utf8') as file:
            content = file.read()
            return content
    except FileNotFoundError:
        print('文件未找到')

def write_file(file_name):
    with open(base_dir + file_name, 'w', encoding='utf8') as file:
        pass

def write_json(file_name, data):
    with open(base_dir + file_name, 'w', encoding='utf8') as file:
        import json
        json.dump(data, file)

def read_json(file_name, default_data):
    try:
        with open(base_dir + file_name, 'r', encoding='utf8') as file:
            import json
            return json.load(file)
    except FileNotFoundError:
        # print('文件未找到')
        return default_data

"""
Project: ClassStudent
Creator: 貓貓
Create time: 2021-03-04 08:20
IDE: PyCharm
Introduction:https://blog.csdn.net/Cantevenl/article/details/115439530
"""
# 加密密碼
import hashlib
def encrypt_password(passwd, x='zhumaogouniu'):
    h = hashlib.sha256()
    h.update(passwd.encode('utf8'))
    h.update(x.encode('utf8'))
    return h.hexdigest()

"""
Project: ClassStudent
Creator: 貓貓
Create time: 2021-03-04 08:18
IDE: PyCharm
Introduction:https://blog.csdn.net/Cantevenl/article/details/115439530
"""

class Teacher(object):
    def __init__(self, name, password):
        import tools
        self.name = name
        self.password = tools.encrypt_password(password)

class Student(object):
    def __init__(self, name, age, gender):
        self.name = name
        self.age = age
        self.gender = gender

    def __str__(self):
        return f'{self.name},{self.age},{self.gender}'

"""
Project: ClassStudent
Creator: 貓貓
Create time: 2021-03-04 12：08
IDE: PyCharm
Introduction:https://blog.csdn.net/Cantevenl/article/details/115439530
"""
# 1.導(dǎo)入管理系統(tǒng)模塊
import sys
import file_manager  # 導(dǎo)入自己寫的讀取文件模塊
import model
import managerSystem

def register():
    # 讀取文件,查看文件里是否有數(shù)據(jù)。如果文件不存在，默認(rèn)是一個(gè)字典
    data = file_manager.read_json('data.json', {})
    while True:
        teacher_name = input('請(qǐng)輸入賬號(hào)(2~6位):')
        if not 2 = len(teacher_name) = 6:
            print('賬號(hào)不符合要求,請(qǐng)重新輸入!')
        else:
            break
    if teacher_name in data:
        print('注冊(cè)失敗!該賬號(hào)已經(jīng)被注冊(cè)!')
        return

    while True:
        password = input('請(qǐng)輸入密碼(6~12位):')
        if not 6 = len(password) = 12:
            print('密碼不符合要求,請(qǐng)重新輸入!')
        else:
            break

    # 用戶名密碼都已經(jīng)輸入正確以后 將用戶名和密碼以key:value形式儲(chǔ)存
    # 可以創(chuàng)建一個(gè)teacher對(duì)象
    t = model.Teacher(teacher_name, password)
    data[t.name] = t.password
    file_manager.write_json('data.json', data)

def login():
    # 讀取文件,查看文件里是否有數(shù)據(jù)。如果文件不存在，默認(rèn)是一個(gè)字典
    data = file_manager.read_json('data.json', {})
    teacher_name = input('請(qǐng)輸入老師賬號(hào):')

    if teacher_name not in data:
        print('登錄失敗!該賬號(hào)沒有注冊(cè)!')
        return
    password = input('請(qǐng)輸入密碼:')
    import tools
    if data[teacher_name] == tools.encrypt_password(password):
        managerSystem.name = teacher_name
        print('登錄成功')
        student_manager= managerSystem.StudentManager()
        student_manager.run()

    else:
        print('密碼錯(cuò)誤,登陸失敗!')
def start():
    content = file_manager.read_file('welcome.txt')
    while True:
        operate = input(content + '\n請(qǐng)選擇(1-3)：')
        if operate == '1':
            print('登錄')
            login()
        elif operate == '2':
            print('注冊(cè)')
            register()
        elif operate == '3':
            print('退出')
            # break   # 把循環(huán)退出
            # exit(0)   # 退出整個(gè)程序
            sys.exit(0)  # 退出程序
        else:
            print('輸入有誤！')

# 2.啟動(dòng)管理系統(tǒng)
# 保證是當(dāng)前文件運(yùn)行才啟動(dòng)管理系統(tǒng) : if -- 創(chuàng)建對(duì)象 并且調(diào)用run方法
if __name__ == '__main__':
    start()

"""
Project: ClassStudent
Creator: 貓貓
Create time: 2021-03-04 16:12
IDE: PyCharm
Introduction:https://blog.csdn.net/Cantevenl/article/details/115439530
"""
import file_manager
from model import *

name = ''
class StudentManager(object):
    def __init__(self):
        # 存儲(chǔ)學(xué)院數(shù)據(jù) -- 列表
        self.student_list = []


    # 一.程序入口函數(shù)
    def run(self):
        # 1.加載文件里面的學(xué)員數(shù)據(jù)
        self.load_student()
        while True:
            # 2.顯示功能菜單
            self.show_menu()
            # 3.用戶輸入目標(biāo)功能序號(hào)
            menu_num = input('請(qǐng)輸入你需要的功能序號(hào):')

            # 4.根據(jù)用戶輸入的序號(hào)執(zhí)行不同的功能
            if menu_num == '1':
                self.add_student()
            elif menu_num == '2':
                self.del_student()
            elif menu_num == '3':
                self.modify_student()
            elif menu_num == '4':
                self.search_student()
            elif menu_num == '5':
                self.show_student()
            elif menu_num == '6':
                self.sava_student()
            elif menu_num == '7':
                break
            else:
                print('輸入錯(cuò)誤')

    # 二。系統(tǒng)功能函數(shù)
    # 2.1 顯示功能菜單 ---- 這種方法一般需要使用靜態(tài)方法
    @staticmethod
    def show_menu():
        content = file_manager.read_file('students_page.txt')
        print(content)

    # 增加
    def add_student(self):
        # 1.用戶輸入信息
        name = input('請(qǐng)輸入你的姓名:')
        age = input('請(qǐng)輸入你的年齡:')
        gender = input('請(qǐng)輸入你的性別:')

        # 2. 創(chuàng)建學(xué)員對(duì)象 -- 類 先導(dǎo)入student模塊，在創(chuàng)建對(duì)象
        student = Student(name, age, gender)

        # 3.將該對(duì)象添加到學(xué)員列表
        self.student_list.append(student)

        print(self.student_list)
        print(student)

    # 刪除
    def del_student(self):
        del_name = input('請(qǐng)輸入要?jiǎng)h除的學(xué)生名字:')

        # 遍歷列表 有的話就刪除沒有就提示
        for i in self.student_list:
            if i.name == del_name:
                self.student_list.remove(i)
                break
        else:
            print('查無此人')

        print(self.student_list)

    # 修改
    def modify_student(self):
        modify_name = input('請(qǐng)輸入要修改的學(xué)生名字:')

        for i in self.student_list:
            if i.name == modify_name:
                i.name = self.new_input(i.name, '請(qǐng)輸入新修改的名字[回車則不修改]:')
                i.age = self.new_input(i.age, '請(qǐng)輸入新修改的年齡[回車則不修改]:')
                i.gender = self.new_input(i.gender, '請(qǐng)輸入新修改的性別[回車則不修改]:')
                print(f'修改學(xué)員信息成功,姓名 {i.name},年齡 {i.age},性別 {i.gender}')
                break
        else:
            print('查無此人')

    # 查找
    def search_student(self):
        search_name = input('請(qǐng)輸入想查找的學(xué)生名字:')

        for i in self.student_list:
            if i.name == search_name:
                print(f'姓名 {i.name},年齡 {i.age},性別 {i.gender}')
                break
        else:
            print('查無此人')

    # 顯示全部學(xué)生
    def show_student(self):
        print('姓名\t\t年齡\t性別')
        for i in self.student_list:
            print(f'{i.name}\t\t{i.age}\t\t{i.gender}')

    # 保存學(xué)員信息
    def sava_student(self):
        # 1.打開文件
        file = open('files/student.data', 'w')

        # 2.數(shù)據(jù)寫入文件
        # 2.1 [學(xué)員對(duì)象] 轉(zhuǎn)換成 [字典]
        # 使用列表推導(dǎo)式
        new_list = [i.__dict__ for i in self.student_list]

        # 2.2 文件寫入 字符串?dāng)?shù)據(jù)
        file.write(str(new_list))
        file.close()

    # 加載信息
    def load_student(self):
        try:
            file = open('files/student.data', 'r')
        except FileNotFoundError:
            file = open('files/student.data', 'w')
        else:
            # 1.讀取數(shù)據(jù)
            data = file.read()
            # 2.文件中讀取的數(shù)據(jù)都是字符串且字符串內(nèi)部為字典數(shù)據(jù)，
            # 故需要轉(zhuǎn)換數(shù)據(jù)類型再轉(zhuǎn)換字典為對(duì)象后存儲(chǔ)到學(xué)院列表
            new_list = eval(data)
            # 創(chuàng)建學(xué)生類
            self.student_list = [Student(i['name'], i['age'], i['gender']) for i in new_list]
        finally:
            pass
            # 3.關(guān)閉文件
        file.close()

    # 重寫的input方法
    def new_input(self, old, new):
        input_str = input(new)

        if len(input_str) > 0:
            return input_str
        else:
            return old