主要实现功能：【使用了sqlite数据库】

• 用户登录注册
• 学生成绩录入
• 学生成绩修改和删除
• 学生成绩排行榜
• 班级统计信息
• 学生成绩导出xls

 

 

 

 相关文件目录如下：

(py3) [root@flyapp-dev scorems]# tree
.
├── main.py
├── models.py
├── pages.py
├── README.md
├── requirements.txt
└── views.py

0 directories, 6 files

 主函数main.py内容

# This is a sample Python script.

# Press Shift+F10 to execute it or replace it with your code.
# Press Double Shift to search everywhere for classes, files, tool windows, actions, and settings.
from tkinter import Tk

from models import check_db
from pages import LoginPage

if __name__ == '__main__':
    check_db()
    root = Tk()
    root.title('学生成绩管理系统')
    LoginPage(root)
    root.mainloop()

页面函数 pages.py内容

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# project : scorems
# filename : pages
# author : ly_13
# date : 2022/10/13
import string
from tkinter import StringVar, Label, Entry, font, W, E, Button, messagebox, Menu
from tkinter.ttk import Frame

from models import session, User
from views import AddFrame, DeleteFrame, EditFrame, SearchFrame, CountFrame, ScoreFrame


class LoginPage(object):
    def __init__(self, master=None):
        self.page = None
        self.root = master
        self.root.geometry('%dx%d' % (480, 320))
        self.username = StringVar(value='')
        self.password = StringVar(value='')
        self.init_page()

    def init_page(self):
        self.page = Frame(self.root)  # 创建Frame
        self.page.pack()
        Label(self.page, text="学生成绩管理系统", font=("宋体", 20)).grid(row=0, pady=40, stick=W)
        Label(self.page, text='账户:', font=font.Font(size=12)).grid(row=1, stick=W, pady=10)
        Entry(self.page, textvariable=self.username).grid(row=1, stick=E)
        Label(self.page, text='密码:', font=font.Font(size=12)).grid(row=2, stick=W, pady=10)
        Entry(self.page, textvariable=self.password, show='*').grid(row=2, stick=E)
        Button(self.page, text='登录', command=self.login, font=font.Font(size=12)).grid(row=3, stick=W, pady=30)
        Button(self.page, text='注册', command=self.register, font=font.Font(size=12)).grid(row=3, stick=E, pady=30)

    def check_info(self):
        username = self.username.get().strip()
        password = self.password.get().strip()
        if len(username) == 0 or len(password) == 0:
            messagebox.showinfo(title='错误', message='账号密码不能为空')
            return
        if set(username) - set(string.digits + string.ascii_lowercase):
            messagebox.showinfo(title='错误', message=f'账号只能为 {string.digits + string.ascii_lowercase}')
            return
        if set(password) - set(string.digits + string.ascii_letters):
            messagebox.showinfo(title='错误', message=f'密码只能为 {string.digits + string.ascii_letters}')
            return

        return username, password

    def login(self):
        username, password = self.check_info()
        res = session.query(User).filter(User.username == username, User.password == password).first()
        if res:
            self.page.destroy()
            MainPage(self.root)
        else:
            messagebox.showinfo(title='错误', message='账号或密码错误！')

    def register(self):
        username, password = self.check_info()
        res = session.query(User).filter(User.username == username).first()
        if res:
            messagebox.showinfo(title='结果', message="已存在该用户信息！")
            return

        session.add(User(username=username, password=password))
        session.commit()
        messagebox.showinfo(title='提示', message=f"用户 {username} 注册成功")


class MainPage(object):
    def __init__(self, master=None):
        self.root = master
        self.add_page = AddFrame(self.root)
        self.del_page = DeleteFrame(self.root)
        self.edit_page = EditFrame(self.root)
        self.search_page = SearchFrame(self.root)
        self.count_page = CountFrame(self.root)
        self.score_page = ScoreFrame(self.root)
        self.root.geometry('%dx%d' % (600, 400))
        self.init_page()

    def init_page(self):
        self.add_page.pack()  # 默认显示数据录入界面
        menubar = Menu(self.root)
        menubar.add_command(label='添加', command=self.change_page())
        menubar.add_command(label='删除', command=self.change_page('del_page'))
        menubar.add_command(label='修改', command=self.change_page('edit_page'))
        menubar.add_command(label='查找', command=self.change_page('search_page'))
        menubar.add_command(label='成绩排行', command=self.change_page('score_page'))
        menubar.add_command(label='班级统计', command=self.change_page('count_page'))
        self.root['menu'] = menubar  # 设置菜单栏

    def change_page(self, active='add_page'):
        def change():
            getattr(self, active).pack()
            pages = ['add_page', 'del_page', 'edit_page', 'search_page', 'count_page', 'score_page']
            for page in set(pages) - {active}:
                getattr(self, page).pack_forget()

        return change

视图函数 views.py内容

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# project : scorems
# filename : views
# author : ly_13
# date : 2022/10/13
import datetime
from tkinter import StringVar, Label, Entry, font, W, E, Button, messagebox, IntVar, ttk, Scrollbar
from tkinter.ttk import Frame

import matplotlib.pyplot as plt
import xlwt

from models import session, Score

columns = {
    'index': '排名',
    'username': '学号',
    'nickname': '姓名',
    'chinese': '语文',
    'math': '数学',
    'english': '英语',
    'politics': '政治',
    'score': '总分'
}


class AddFrame(Frame):
    def __init__(self, master=None):
        super().__init__(master)
        self.root = master
        self.username = StringVar()
        self.nickname = StringVar()
        self.chinese = IntVar()
        self.math = IntVar()
        self.english = IntVar()
        self.politics = IntVar()
        self.show()

    def check(self):
        data = {
            'username': self.username.get().strip(),
            'nickname': self.nickname.get().strip(),
        }
        try:
            data['chinese'] = self.chinese.get()
            data['math'] = self.math.get()
            data['english'] = self.english.get()
            data['politics'] = self.politics.get()
            data['score'] = sum([data['chinese'], data['math'], data['english'], data['politics']])
        except Exception as e:
            print(e)
            messagebox.showinfo(title='结果', message="输入有误，请检查")
            return {}
        if data['username'] and data['nickname']:
            return data
        return {}

    def click(self):
        data = self.check()
        if data:
            res = session.query(Score).filter(Score.username == data.get('username')).first()
            if res:
                messagebox.showinfo(title='结果', message="已存在该学生科目信息！")
                return
            session.add(Score(**data))
            session.commit()
            messagebox.showinfo(title='结果', message="成绩信息添加成功！")
        else:
            messagebox.showinfo(title='提示', message="输入有误，请检查")

    def username_input(self):
        Label(self, text='学号: ').grid(row=1, stick=W, pady=10)
        Entry(self, textvariable=self.username).grid(row=1, column=1, stick=E)

    def show(self):
        Label(self).grid(row=0, stick=W, pady=10)

        self.username_input()

        index = 2
        for key, label in columns.items():
            if key in ['index', 'username', 'score']: continue
            Label(self, text=f'{label}: ').grid(row=index, stick=W, pady=10)
            Entry(self, textvariable=getattr(self, key)).grid(row=index, column=1, stick=E)
            index += 1

        Button(self, text='录入', command=self.click).grid(row=7, column=1, stick=E, pady=10)


class EditFrame(AddFrame):
    def __init__(self, master=None):
        super().__init__(master)

    def click(self):
        data = self.check()
        if data:
            res = session.query(Score).filter(Score.username == data['username'])
            if res and res.first():
                del data['username']
                res.update(data)
                session.commit()
                messagebox.showinfo(title='结果', message="成绩信息修改成功！")
            else:
                messagebox.showinfo(title='结果', message="查询信息不存在！")
                return
        else:
            messagebox.showinfo(title='提示', message="输入有误，请检查")

    def username_input(self):
        Label(self, text='学号: ').grid(row=1, stick=W, pady=10)
        Entry(self, textvariable=self.username).grid(row=1, column=1, stick=E)
        Button(self, text='查询', font=font.Font(size=12), command=self.search).grid(row=1, stick=E, column=2, pady=10)

    def search(self):
        username = self.username.get().strip()
        if username:
            res = session.query(Score).filter(Score.username == username).first()
            if res:
                for key in columns.keys():
                    if key in ['index', 'score', 'math']:
                        continue
                    print(key, getattr(res, key))
                    getattr(self, key).set(getattr(res, key))
            else:
                messagebox.showinfo(title='提示', message="查询信息不存在")
        else:
            messagebox.showinfo(title='提示', message="输入项为空")


class DeleteFrame(Frame):
    def __init__(self, master=None):
        Frame.__init__(self, master)
        self.root = master
        self.username = StringVar()
        self.nickname = StringVar()
        self.show()

    def do_action(self, res):
        res.delete()
        session.commit()
        messagebox.showinfo(title='提示', message="删除成功")

    def click(self):
        username = self.username.get().strip()
        nickname = self.nickname.get().strip()
        if username or nickname:
            res = session.query(Score)
            if username:
                res = res.filter(Score.username == username)
            if nickname:
                res = res.filter(Score.nickname == nickname)
            if res and res.first():
                self.do_action(res)
                return
            else:
                messagebox.showinfo(title='提示', message="查询信息不存在")
        else:
            messagebox.showinfo(title='提示', message="输入项为空")

    def show_button(self):
        Button(self, text='删除', command=self.click).grid(row=6, column=1, stick=E, pady=10)

    def show(self):
        Label(self).grid(row=0, stick=W, pady=10)

        Label(self, text='学号: ').grid(row=1, stick=W, pady=10)
        Entry(self, textvariable=self.username).grid(row=1, column=1, stick=E)

        Label(self, text='姓名: ').grid(row=2, stick=W, pady=10)
        Entry(self, textvariable=self.nickname).grid(row=2, column=1, stick=E)
        self.show_button()


class SearchFrame(DeleteFrame):
    def __init__(self, master=None):
        super().__init__(master)

    def do_action(self, res):
        message = ''
        for key, value in columns.items():
            if key == 'index':
                continue
            message += f'{value}:{getattr(res.first(), key, "")}\n'
        messagebox.showinfo(title='结果',
                            message=message)

    def show_button(self):
        Button(self, text='查找', command=self.click).grid(row=6, column=1, stick=E, pady=10)


class ScoreFrame(Frame):

    def __init__(self, master=None):
        super().__init__(master)
        self.ysb = None
        self.tree = None
        Label(self, text="成绩排行榜", font=("宋体", 20)).pack(pady=10)
        Button(self, text='导出成绩', command=write_easy_excel).pack(pady=10)

    def pack_forget(self) -> None:
        super().pack_forget()
        if self.tree:
            self.tree.destroy()
        if self.ysb:
            self.ysb.destroy()

    def pack(self, *args, **kwargs):
        super().pack(*args, **kwargs)
        self.tree = ttk.Treeview(self, show='headings', columns=list(columns.keys()))
        xsb = Scrollbar(self, orient="horizontal", command=self.tree.xview())  # x滚动条
        self.ysb = Scrollbar(self, orient="vertical", command=self.tree.yview())  # y滚动条
        self.tree.configure(yscrollcommand=self.ysb.set, xscrollcommand=xsb.set)  # y滚动条关联
        self.ysb.pack(side="right", fill="y")
        result = session.query(Score).order_by(Score.score.desc()).all()
        for column, label in columns.items():
            width = 40
            if column in ['username', 'nickname']:
                width = 80
            self.tree.column(column, width=width)
            self.tree.heading(column, text=label)
        index = 1
        for res in result:
            res.index = index
            self.tree.insert("", index, values=[getattr(res, x) for x in columns.keys()])
            index += 1
        self.tree.pack(pady=30)


class CountFrame(Frame):
    def __init__(self, master=None):
        Frame.__init__(self, master)
        self.root = master
        self.result = session.query(Score).all()
        self.show()

    def pack(self):
        super().pack()
        self.result = session.query(Score).all()

    def show(self):
        Label(self, text="查看表格", font=("宋体", 20)).grid(row=0, pady=40, stick=W)
        Button(self, text='学生总成绩', font=font.Font(size=12), command=self.sum_score).grid(row=2, stick=W, pady=10)
        Button(self, text='各科平均分', font=font.Font(size=12), command=self.avg_score).grid(row=3, stick=W, pady=10)
        Button(self, text='各科最高分', font=font.Font(size=12), command=self.best_score).grid(row=4, stick=W, pady=10)
        Button(self, text='各科最低分', font=font.Font(size=12), command=self.bad_score).grid(row=5, stick=W, pady=10)

    def sum_score(self):
        plt.close()
        plt.rcParams['font.sans-serif'] = ['SimHei']
        plt.rcParams['axes.unicode_minus'] = False
        if len(self.result) == 0:
            messagebox.showinfo(title='提示', message="暂无数据，请先录入成绩")
            return
        name = [res.nickname for res in self.result]
        students_scores = [res.score for res in self.result]

        plt.title('学生总成绩分布图')
        plt.xlabel('姓名')
        plt.ylabel('总分')
        plt.bar(name, students_scores)
        plt.show()

    def avg_score(self):
        plt.close()
        plt.rcParams['font.sans-serif'] = ['SimHei']
        plt.rcParams['axes.unicode_minus'] = False
        if len(self.result) == 0:
            messagebox.showinfo(title='提示', message="暂无数据，请先录入成绩")
            return
        chinese_avg = sum([res.chinese for res in self.result]) / len(self.result)
        math_avg = sum([res.chinese for res in self.result]) / len(self.result)
        english_avg = sum([res.english for res in self.result]) / len(self.result)
        politics_avg = sum([res.politics for res in self.result]) / len(self.result)

        plt.title('每门课程平均分展示图')
        plt.xlabel('课程名')
        plt.ylabel('平均分')
        plt.bar('语文', chinese_avg)
        plt.bar('数学', math_avg)
        plt.bar('英语', english_avg)
        plt.bar('政治', politics_avg)
        plt.show()

    def best_score(self):
        plt.close()
        plt.rcParams['font.sans-serif'] = ['SimHei']
        plt.rcParams['axes.unicode_minus'] = False
        if len(self.result) == 0:
            messagebox.showinfo(title='提示', message="暂无数据，请先录入成绩")
            return
        chinese_max = max([res.chinese for res in self.result])
        math_max = max([res.chinese for res in self.result])
        english_max = max([res.english for res in self.result])
        politics_max = max([res.politics for res in self.result])

        plt.title('每门课程最高分展示图')
        plt.xlabel('课程名')
        plt.ylabel('最高分')
        plt.bar('语文', chinese_max)
        plt.bar('数学', math_max)
        plt.bar('英语', english_max)
        plt.bar('政治', politics_max)
        plt.show()

    def bad_score(self):
        plt.close()
        plt.rcParams['font.sans-serif'] = ['SimHei']
        plt.rcParams['axes.unicode_minus'] = False
        if len(self.result) == 0:
            messagebox.showinfo(title='提示', message="暂无数据，请先录入成绩")
            return
        chinese_min = min([res.chinese for res in self.result])
        math_min = min([res.chinese for res in self.result])
        english_min = min([res.english for res in self.result])
        politics_min = min([res.politics for res in self.result])

        plt.title('每门课程最低分展示图')
        plt.xlabel('课程名')
        plt.ylabel('最低分')
        plt.bar('语文', chinese_min)
        plt.bar('数学', math_min)
        plt.bar('英语', english_min)
        plt.bar('政治', politics_min)
        plt.show()


def write_easy_excel():
    workbook = xlwt.Workbook(encoding='utf-8')
    sheet = workbook.add_sheet('student_info')
    alignment = xlwt.Alignment()
    alignment.horz = xlwt.Alignment.HORZ_CENTER
    alignment.vert = xlwt.Alignment.VERT_CENTER
    style = xlwt.XFStyle()
    style.alignment = alignment

    head = list(columns.keys())

    for h in range(len(head)):
        sheet.write(0, h, head[h], style)

    result = session.query(Score).order_by(Score.score.desc()).all()
    index = 1
    for res in result:
        res.index = index
        row = 0
        for key in columns.keys():
            sheet.write(index, row, getattr(res, key), style)
            row += 1
        index += 1

    # 保存表格，并命名
    n_time = datetime.datetime.now().strftime('%Y.%m.%d_%H.%M.%S')
    workbook.save(f'{n_time}.student_info.xls')
    messagebox.showinfo(title='提示', message=f"导出成功，请在当前目录查看 {n_time}.student_info.xls")

数据库操作函数 models.py

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# project : scorems
# filename : models
# author : ly_13
# date : 2022/10/13

from sqlalchemy import Column, Integer, String
from sqlalchemy import create_engine
from sqlalchemy.orm import declarative_base
from sqlalchemy.orm import sessionmaker

Base = declarative_base()


class User(Base):
    __tablename__ = "userinfo"
    username = Column(String(30), primary_key=True, comment='用户名或学号，唯一')
    password = Column(String(30), comment='密码')

    def __repr__(self):
        return f"User(username={self.username!r})"


class Score(Base):
    __tablename__ = "score"
    id = Column(Integer, primary_key=True)
    nickname = Column(String(30), comment='姓名')
    username = Column(String(30), comment='学号')
    # semester = Column(String(30), comment='学期')
    chinese = Column(Integer, comment='语文')
    math = Column(Integer, comment='数学')
    english = Column(Integer, comment='英语')
    politics = Column(Integer, comment='政治')
    score = Column(Integer, comment='总成绩')
    __table_args__ = (
        {'sqlite_autoincrement': True},
    )

    def __repr__(self):
        return f"Score(username={self.username!r},nickname={self.nickname!r})"


engine = create_engine("sqlite+pysqlite:///./db_file", echo=True, future=True)


def init_db():
    Base.metadata.create_all(engine)


def drop_db():
    Base.metadata.drop_all(engine)


Session = sessionmaker(bind=engine)
session = Session()


def check_db():
    try:
        session.query(User).first()
    except Exception as e:
        init_db()


if __name__ == '__main__':
    init_db()

代码已经开源，可参考 https://github.com/nineaiyu/scorems