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学生成绩管理系统学生成绩管理系统简介源代码🏆students.txtmain.pyLogin.pydb.pyMenuPage.pyview.py结束语🏆学生成绩管理系统简介一个带有登录界面具有增减改查功能的学生成绩管理系统(面向对象思想，利用tkinter库进行制作，利用.txt文件进行存储数据)
源代码🏆✅仅供学习参考，最好还是自己多敲多练习(实践是检验真理的唯一标准)
students.txt用于存储数据
main.py代码语言：javascript复制from tkinter import *from Login import *import tkinter as tkroot = tk.Tk()root.title('欢迎进入学生成绩管理系统')LoginPage(root)root.mainloop()Login.py代码语言：javascript复制from tkinter import *from tkinter.messagebox import *from MenuPage import *class LoginPage(object):def __init__(self, master=None):self.root = master # 定义内部变量rootself.root.geometry('%dx%d' % (300, 180)) # 设置窗口大小self.username = StringVar()self.password = StringVar()self.createPage()def createPage(self):self.page = Frame(self.root) # 创建Frameself.page.pack()Label(self.page).grid(row=0, stick=W)Label(self.page, text='账户: ').grid(row=1, stick=W, pady=10)Entry(self.page, textvariable=self.username).grid(row=1, column=1, stick=E)Label(self.page, text='密码: ').grid(row=2, stick=W, pady=10)Entry(self.page, textvariable=self.password, show='*').grid(row=2, column=1, stick=E)Button(self.page, text='登陆', command=self.loginCheck).grid(row=3, stick=W, pady=10)Button(self.page, text='退出', command=self.page.quit).grid(row=3, column=1, stick=E)def loginCheck(self):name = self.username.get()password = self.password.get()if name == 'hacker707' and password == 'admin':self.page.destroy()MenuPage(self.root)else:showinfo(title='错误', message='账号或密码错误！')db.py代码语言：javascript复制import jsonclass StudentDB(object):def __init__(self):self.students = []self._load_students_data()def insert(self, student):self.students.append(student)print(self.students)def all(self):return self.studentsdef delete_by_name(self, name): # 删除数据for student in self.students:if name == student["name"]:self.students.remove(student)breakelse:return Falsereturn True# 查询def search_by_name(self, name):for student in self.students:if name == student["name"]:return student # 姓名+成绩else:return False# 修改def update(self, stu): # 修改数据name = stu["name"]for student in self.students:if name == student["name"]:student.update(stu)return Trueelse:return False# 加载文件def _load_students_data(self):with open("students.txt", "r", encoding="utf-8") as f:text = f.read()if text:self.students = json.loads(text)# 保存数据def save_data(self):with open("students.txt", 'w', encoding="utf-8") as f:text = json.dumps(self.students, ensure_ascii=False)f.write(text)db = StudentDB()MenuPage.py代码语言：javascript复制import tkinter as tkfrom view import *class MenuPage(object):def __init__(self, master=None):self.root = masterself.root.geometry('%dx%d' % (600, 400))self.create_page()self.input_page = InputFrame(self.root)self.query_page = QuerryFrame(self.root)self.delete_page = DeleteFrame(self.root)self.update_page = UpdateFrame(self.root)self.about_page = AboutFrame(self.root)self.input_page.pack()def create_page(self):# 创建菜单对象menubar = tk.Menu(self.root)# add_command 添加menubar.add_command(label="录入", command=self.input_data) # labelmenubar.add_command(label="查询", command=self.query_data) # labelmenubar.add_command(label="删除", command=self.delete_data) # labelmenubar.add_command(label="修改", command=self.update_data) # labelmenubar.add_command(label="关于", command=self.about_data) # label# 设置菜单栏self.root.config(menu=menubar)# 切换界面def input_data(self):self.input_page.pack()self.update_page.pack_forget()self.delete_page.pack_forget()self.about_page.pack_forget()self.query_page.pack_forget()def query_data(self):self.input_page.pack_forget()self.query_page.pack()self.update_page.pack_forget()self.delete_page.pack_forget()self.about_page.pack_forget()def update_data(self):self.input_page.pack_forget()self.update_page.pack()self.delete_page.pack_forget()self.about_page.pack_forget()self.query_page.pack_forget()def delete_data(self):self.input_page.pack_forget()self.update_page.pack_forget()self.delete_page.pack()self.about_page.pack_forget()self.query_page.pack_forget()def about_data(self):self.input_page.pack_forget()self.update_page.pack_forget()self.delete_page.pack_forget()self.about_page.pack()self.query_page.pack_forget()view.py代码语言：javascript复制import tkinter as tkfrom db import dbfrom tkinter import ttk# 录入类class InputFrame(tk.Frame):def __init__(self, master=None):super().__init__(master)self.root = masterself.name = tk.StringVar()self.math = tk.StringVar()self.chinese = tk.StringVar()self.english = tk.StringVar()self.status = tk.StringVar()self.create_page()def create_page(self):tk.Label(self).grid(row=0, stick=tk.W, pady=10)tk.Label(self, text="姓名:").grid(row=1, stick=tk.W, pady=10)# 单行文本框 entry，textvariable绑定变量tk.Entry(self, textvariable=self.name).grid(row=1, column=1, stick=tk.E)tk.Label(self, text="数学:").grid(row=2, stick=tk.W, pady=10)# 单行文本框 entry，textvariable绑定变量tk.Entry(self, textvariable=self.math).grid(row=2, column=1, stick=tk.E)tk.Label(self, text="语文:").grid(row=3, stick=tk.W, pady=10)# 单行文本框 entry，textvariable绑定变量tk.Entry(self, textvariable=self.chinese).grid(row=3, column=1, stick=tk.E)tk.Label(self, text="英语:").grid(row=4, stick=tk.W, pady=10)# 单行文本框 entry，textvariable绑定变量tk.Entry(self, textvariable=self.english).grid(row=4, column=1, stick=tk.E)tk.Button(self, text="录入", command=self.recode_student).grid(row=5, column=1, stick=tk.E, pady=10)tk.Label(self, textvariable=self.status).grid(row=6, column=1, stick=tk.E, pady=10)# 录入成绩def recode_student(self):student = {"name": self.name.get(),"math": self.math.get(),"chinese": self.chinese.get(),"english": self.english.get(),} # 一个学生的成绩db.insert(student)# get()得到值# set()设置值self.status.set("插入数据成功！")self._clear_data()db.save_data()# 清空文本数据def _clear_data(self):self.name.set("")self.math.set("")self.chinese.set("")self.english.set("")# 查询类class QuerryFrame(tk.Frame):def __init__(self, master=None):super().__init__(master)self.root = masterself.create_page()# 创建查询界面def create_page(self):self.create_tree_view()self.show_data_frame()# grid()tk.Button(self, text="刷新数据", command=self.show_data_frame).pack(anchor=tk.E, pady=5)# Treeviewdef create_tree_view(self):# 表头columns = ("name", "chinese", "math", "english")self.tree_view = ttk.Treeview(self, show='headings', columns=columns)self.tree_view.column("name", width=80, anchor='center')self.tree_view.column("chinese", width=80, anchor='center')self.tree_view.column("math", width=80, anchor='center')self.tree_view.column("english", width=80, anchor='center')self.tree_view.heading("name", text='姓名')self.tree_view.heading("chinese", text='语文')self.tree_view.heading("math", text='数学')self.tree_view.heading("english", text='英语')self.tree_view.pack()# 显示数据def show_data_frame(self):# 删除原节点 map(int,值）for i in map(self.tree_view.delete, self.tree_view.get_children("")):pass# 拿到列表里面所有值、students[]students = db.all()# 同时拿到索引跟value值for index, stu in enumerate(students):self.tree_view.insert('', index, values=(stu["name"], stu["chinese"], stu["math"], stu["english"]))class DeleteFrame(tk.Frame):def __init__(self, master=None):super().__init__(master)tk.Label(self, text='删除数据').pack()self.status = tk.StringVar()self.de_name = tk.StringVar() # 获取删除学生的姓名self.create_page()# 创建界面def create_page(self):tk.Label(self, text="根据姓名删除信息").pack(anchor=tk.W, padx=20)e1 = tk.Entry(self, textvariable=self.de_name)e1.pack(side=tk.LEFT, padx=20, pady=5)tk.Button(self, text='删除', command=self._delete).pack(side=tk.RIGHT)tk.Label(self, textvariable=self.status).pack()# 删除def _delete(self):name = self.de_name.get()print(name)result = db.delete_by_name(name)if result:self.status.set(f'{name}已经被删')self.de_name.set("")else:self.status.set(f'{name}不存在')class UpdateFrame(tk.Frame):def __init__(self, master=None):super().__init__(master)self.root = mastertk.Label(self, text='修改界面').pack()self.change_frame = tk.Frame(self)self.change_frame.pack()self.name = tk.StringVar()self.math = tk.StringVar()self.chinese = tk.StringVar()self.english = tk.StringVar()self.status = tk.StringVar()self.create_page()def create_page(self):tk.Label(self.change_frame).grid(row=0, stick=tk.W, pady=10)tk.Label(self.change_frame, text="姓名:").grid(row=1, stick=tk.W, pady=10)# 单行文本框 entry，textvariable绑定变量tk.Entry(self.change_frame, textvariable=self.name).grid(row=1, column=1, stick=tk.E)tk.Label(self.change_frame, text="数学:").grid(row=2, stick=tk.W, pady=10)# 单行文本框 entry，textvariable绑定变量tk.Entry(self.change_frame, textvariable=self.math).grid(row=2, column=1, stick=tk.E)tk.Label(self.change_frame, text="语文:").grid(row=3, stick=tk.W, pady=10)# 单行文本框 entry，textvariable绑定变量tk.Entry(self.change_frame, textvariable=self.chinese).grid(row=3, column=1, stick=tk.E)tk.Label(self.change_frame, text="英语:").grid(row=4, stick=tk.W, pady=10)# 单行文本框 entry，textvariable绑定变量tk.Entry(self.change_frame, textvariable=self.english).grid(row=4, column=1, stick=tk.E)# 按钮tk.Button(self.change_frame, text='查询', command=self._search).grid(row=6, column=0, stick=tk.W, pady=10)tk.Button(self.change_frame, text='修改', command=self._change).grid(row=6, column=1, stick=tk.E, pady=10)tk.Label(self.change_frame, textvariable=self.status).grid(row=7, column=1, stick=tk.E, pady=10)# 查询def _search(self):name = self.name.get()student = db.search_by_name(name)if student:self.math.set(student["math"])self.chinese.set(student["chinese"])self.english.set(student["english"])self.status.set(f'查询到{name}同学的信息')else:self.status.set(f'没有查询到{name}同学的信息')# 更改成绩def _change(self):name = self.name.get()math = self.math.get()chinese = self.chinese.get()english = self.english.get()stu = {"name": name,"math": math,"chinese": chinese,"english": english,}r = db.update(stu)if r:self.status.set(f"{name}同学的信息更新完毕")else:self.status.set(f"{name}同学的信息更新失败")class AboutFrame(tk.Frame):def __init__(self, master=None):super().__init__(master)self.root = masterself.create_page()def create_page(self):tk.Label(self, text="关于本作品(人生苦短，我用python)").pack(anchor=tk.W)