✅作者简介：大家好我是hacker707,大家可以叫我hacker，新星计划第三季python赛道Top1?
?个人主页：hacker707的csdn博客
?系列专栏：python
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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
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
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root self.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Frame self.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
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.students def delete_by_name(self, name): # 删除数据 for student in self.students: if name == student["name"]: self.students.remove(student) break else: return False return 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 True else: 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
import tkinter as tkfrom view import *class MenuPage(object): def __init__(self, master=None): self.root = master self.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) # label menubar.add_command(label="查询", command=self.query_data) # label menubar.add_command(label="删除", command=self.delete_data) # label menubar.add_command(label="修改", command=self.update_data) # label menubar.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
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 = master 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).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 = master self.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) # Treeview def 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 = master tk.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 = master self.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)结束语?
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