【Python】学生成绩管理系统

学生成绩测评系统

参考链接

安装Mysql

具体操作参考此贴：最新超详细MySQL安装及基本使用教程

运行中出现的问题

python报错raise XLRDError (FILE_FORMAT_DESCRIPTIONS[file_format]+‘； not supported‘)
解决办法
主要是原本的版本中使用的xlrd版本过低。
使用 python3.9读取excel时报错AttributeError: ‘ElementTree’ object has no attribute ‘getiterator’
解决办法
可通过快捷键：ctr（control） + shift + r （replace: 替换）进行替换
修改相关文件的位置
具体代码如下：

import xlrd
import xlwt
import pymysql
from tkinter import *
from tkinter import ttk
import tkinter.font as tkFont
import tkinter.messagebox as messagebox# 数据库操作的工具类
class PyMySQLUtils:# 获取连接def __init__(self):# 打开数据库连接self.db = pymysql.connect(host="127.0.0.1", port=3306, user="root", password="123456", database="school", charset="utf8")# 使用cursor()方法获取操作游标self.cursor = self.db.cursor()# 查询获取多条数据def fetchall(self, sql):# 使用execute()方法执行SQL语句self.cursor.execute(sql)# 使用fetchall()方法获取多条数据results = self.cursor.fetchall()return results# 查询获取单条数据def fetchone(self, sql):# 使用execute()方法执行SQL语句self.cursor.execute(sql)# 使用fetchone()方法获取单条数据result = self.cursor.fetchone()return result# 添加删除更新操作def execute(self, sql):try:# 使用execute()方法执行SQL语句self.cursor.execute(sql)# 提交到数据库执行self.db.commit()print("数据库操作成功！")except:# 发生错误时回滚self.db.rollback()print("数据库连接失败！")# 关闭连接def close(self):# 关闭游标self.cursor.close()# 关闭数据库连接self.db.close()# 开始界面
class StartMenu:def __init__(self, parent_window):parent_window.destroy()self.window = Tk()self.window.title("学生成绩管理系统-教师版")self.window.geometry("500x500")self.window.resizable(0, 0)Label(self.window, text="学生成绩管理系统", font=("宋体", 20)).pack(pady=100)Button(self.window, text="教师注册", font=tkFont.Font(size=16), command=lambda: TeacherRegister(self.window),width=30, height=2, fg="white", bg="gray", activeforeground="white", activebackground="black").pack()Button(self.window, text="教师登录", font=tkFont.Font(size=16), command=lambda: TeacherLogin(self.window), width=30,height=2, fg="white", bg="gray", activeforeground="white", activebackground="black").pack()Button(self.window, text="退出系统", font=tkFont.Font(size=16), command=self.window.destroy, width=30, height=2,fg="white", bg="gray", activeforeground="white", activebackground="black").pack()self.window.mainloop()# 教师注册界面
class TeacherRegister:def __init__(self, parent_window):parent_window.destroy()self.window = Tk()self.window.title("学生成绩管理系统-教师版")self.window.geometry("500x500")self.window.resizable(0, 0)Label(self.window, text="欢迎教师注册", font=("宋体", 20)).pack(pady=100)Label(self.window, text="输入账号：", font=tkFont.Font(size=14)).place(x=100, y=200)self.my_username = Entry(self.window, width=20, font=tkFont.Font(size=14), bg='Ivory')self.my_username.place(x=200, y=200)Label(self.window, text="输入密码：", font=tkFont.Font(size=14)).place(x=100, y=250)self.my_password = Entry(self.window, width=20, font=tkFont.Font(size=14), bg='Ivory', show='*')self.my_password.place(x=200, y=250)Label(self.window, text="确认密码：", font=tkFont.Font(size=14)).place(x=100, y=300)self.re_password = Entry(self.window, width=20, font=tkFont.Font(size=14), bg='Ivory', show='*')self.re_password.place(x=200, y=300)Button(self.window, text="确定", width=8, font=tkFont.Font(size=12), command=self.register).place(x=200, y=350)Button(self.window, text="返回", width=8, font=tkFont.Font(size=12), command=self.back).place(x=330, y=350)self.window.protocol("WM_DELETE_WINDOW", self.back)self.window.mainloop()def register(self):utils = PyMySQLUtils()result = utils.fetchone("SELECT * FROM teacher_login WHERE username = '%s'" % self.my_username.get())if self.my_username.get() == "" or self.my_password.get() == "" or self.re_password.get() == "":messagebox.showerror(title="showerror", message="注册失败！注册信息不完整！")elif self.my_password.get() != self.re_password.get():messagebox.showerror(title="showerror", message="注册失败！两次密码不相同！")elif result:messagebox.showerror(title="showerror", message="注册失败！该账号已被注册过！")else:print(self.my_username.get())print()utils.execute("INSERT INTO teacher_login(username, password) VALUES('%s', '%s')" % (self.my_username.get(), self.my_password.get()))utils.close()messagebox.showinfo(title="showinfo", message="注册成功！欢迎您登录使用！")TeacherLogin(self.window)def back(self):StartMenu(self.window)# 教师登录界面
class TeacherLogin:def __init__(self, parent_window):parent_window.destroy()self.window = Tk()self.window.title("学生成绩管理系统-教师版")self.window.geometry("500x500")self.window.resizable(0, 0)Label(self.window, text="欢迎教师登录", font=("宋体", 20)).pack(pady=100)Label(self.window, text="账号：", font=tkFont.Font(size=14)).place(x=100, y=200)self.my_username = Entry(self.window, width=20, font=tkFont.Font(size=14), bg='Ivory')self.my_username.place(x=170, y=200)Label(self.window, text="密码：", font=tkFont.Font(size=14)).place(x=100, y=250)self.my_password = Entry(self.window, width=20, font=tkFont.Font(size=14), bg='Ivory', show='*')self.my_password.place(x=170, y=250)Button(self.window, text="确定", width=8, font=tkFont.Font(size=12), command=self.login).place(x=170, y=300)Button(self.window, text="返回", width=8, font=tkFont.Font(size=12), command=self.back).place(x=300, y=300)self.window.protocol("WM_DELETE_WINDOW", self.back)self.window.mainloop()def login(self):utils = PyMySQLUtils()result = utils.fetchone("SELECT * FROM teacher_login WHERE username = '%s'" % self.my_username.get())if self.my_username.get() == "" or self.my_password.get() == "":messagebox.showerror(title="showerror", message="登录失败！登录信息不完整！")elif result:utils.close()if self.my_password.get() == result[1]:messagebox.showinfo("showinfo", "登录成功！欢迎您使用！")TeacherMenu(self.window)else:messagebox.showerror("showerror", "登录失败！输入的密码错误！")else:messagebox.showerror("showerror", "登录失败！输入的账号有误！")def back(self):StartMenu(self.window)# 教师操作界面
class TeacherMenu:def __init__(self, parent_window):parent_window.destroy()self.window = Tk()self.window.title("学生成绩管理系统-教师版")self.window.resizable(0, 0)Label(self.window, text="学生成绩管理系统", font=("宋体", 20)).grid(row=0, column=0, columnspan=2, padx=5, pady=20)# 中心区域self.frame_center = Frame(width=900, height=500)self.frame_center.grid(row=1, column=0, columnspan=2, padx=10, pady=5)self.columns = ("学号", "姓名", "院系", "语文成绩", "数学成绩", "英语成绩", "考试平均成绩", "同学互评分", "任课教师评分", "综合测评总分")self.tree = ttk.Treeview(self.frame_center, show="headings", height=15, columns=self.columns)self.tree.grid(row=0, column=0)self.vbar = ttk.Scrollbar(self.frame_center, orient=VERTICAL, command=self.tree.yview)self.vbar.grid(row=0, column=1)self.tree.configure(yscrollcommand=self.vbar.set)self.tree.column("学号", width=80, anchor='center')self.tree.column("姓名", width=80, anchor='center')self.tree.column("院系", width=80, anchor='center')self.tree.column("语文成绩", width=80, anchor='center')self.tree.column("数学成绩", width=80, anchor='center')self.tree.column("英语成绩", width=80, anchor='center')self.tree.column("考试平均成绩", width=80, anchor='center')self.tree.column("同学互评分", width=80, anchor='center')self.tree.column("任课教师评分", width=80, anchor='center')self.tree.column("综合测评总分", width=80, anchor='center')self.tree.heading("学号", text="学号")self.tree.heading("姓名", text="姓名")self.tree.heading("院系", text="院系")self.tree.heading("语文成绩", text="语文成绩")self.tree.heading("数学成绩", text="数学成绩")self.tree.heading("英语成绩", text="英语成绩")self.tree.heading("考试平均成绩", text="考试平均成绩")self.tree.heading("同学互评分", text="同学互评分")self.tree.heading("任课教师评分", text="任课教师评分")self.tree.heading("综合测评总分", text="综合测评总分")# 左方区域self.frame_left = Frame(width=200, height=250)self.frame_left.grid(row=2, column=0, sticky=NS)self.left_frame = Frame(self.frame_left)self.var_sid = StringVar()self.var_sname = StringVar()self.var_sdept = StringVar()self.var_chinese = IntVar()self.var_math = IntVar()self.var_english = IntVar()self.var_classmate_score = IntVar()self.var_teacher_score = IntVar()Label(self.frame_left, text="学号：", font=("宋体", 10)).grid(row=0, column=0, padx=10, pady=5, sticky=NE)Label(self.frame_left, text="姓名：", font=("宋体", 10)).grid(row=1, column=0, padx=10, pady=5, sticky=NE)Label(self.frame_left, text="院系：", font=("宋体", 10)).grid(row=2, column=0, padx=10, pady=5, sticky=NE)Label(self.frame_left, text="语文成绩：", font=("宋体", 10)).grid(row=3, column=0, padx=10, pady=5, sticky=NE)Label(self.frame_left, text="数学成绩：", font=("宋体", 10)).grid(row=4, column=0, padx=10, pady=5, sticky=NE)Label(self.frame_left, text="英语成绩：", font=("宋体", 10)).grid(row=5, column=0, padx=10, pady=5, sticky=NE)Label(self.frame_left, text="同学互评分：", font=("宋体", 10)).grid(row=7, column=0, padx=10, pady=5, sticky=NE)Label(self.frame_left, text="任课教师评分：", font=("宋体", 10)).grid(row=8, column=0, padx=10, pady=5, sticky=NE)Entry(self.frame_left, textvariable=self.var_sid, font=("宋体", 10)).grid(row=0, column=1, padx=5, pady=5)Entry(self.frame_left, textvariable=self.var_sname, font=("宋体", 10)).grid(row=1, column=1, padx=5, pady=5)Entry(self.frame_left, textvariable=self.var_sdept, font=("宋体", 10)).grid(row=2, column=1, padx=5, pady=5)Entry(self.frame_left, textvariable=self.var_chinese, font=("宋体", 10)).grid(row=3, column=1, padx=5, pady=5)Entry(self.frame_left, textvariable=self.var_math, font=("宋体", 10)).grid(row=4, column=1, padx=5, pady=5)Entry(self.frame_left, textvariable=self.var_english, font=("宋体", 10)).grid(row=5, column=1, padx=5, pady=5)Entry(self.frame_left, textvariable=self.var_classmate_score, font=("宋体", 10)).grid(row=7, column=1, padx=5, pady=5)Entry(self.frame_left, textvariable=self.var_teacher_score, font=("宋体", 10)).grid(row=8, column=1, padx=5, pady=5)# 右方区域self.frame_right = Frame(width=500, height=250)self.frame_right.grid(row=2, column=1)Button(self.frame_right, text="清空输入框的内容", width=30, command=self.clear).grid(row=0, column=0, padx=5, pady=5)Button(self.frame_right, text="新增学生成绩信息", width=30, command=self.insert).grid(row=1, column=0, padx=5, pady=5)Button(self.frame_right, text="修改学生成绩信息", width=30, command=self.update).grid(row=2, column=0, padx=5, pady=5)Button(self.frame_right, text="查询学生成绩信息", width=30, command=self.select).grid(row=3, column=0, padx=5, pady=5)Button(self.frame_right, text="删除学生成绩信息", width=30, command=self.delete).grid(row=4, column=0, padx=5, pady=5)Button(self.frame_right, text="写入到Excel文件", width=30,command=lambda: mysql_excel("E:\\PycharmProjects\\StudentScoreManagerSystem\\NewStudentScore.xls")).grid(row=5, column=0, padx=5, pady=5)# 定义储存数据的列表self.list_sid = []self.list_sname = []self.list_sdept = []self.list_chinese = []self.list_math = []self.list_english = []self.list_average_score = []self.list_classmate_score = []self.list_teacher_score = []self.list_total_score = []# 从数据库获取表格内容utils = PyMySQLUtils()results = utils.fetchall("SELECT * FROM student_score")for row in results:self.list_sid.append(row[0])self.list_sname.append(row[1])self.list_sdept.append(row[2])self.list_chinese.append(row[3])self.list_math.append(row[4])self.list_english.append(row[5])self.list_average_score.append(row[6])self.list_classmate_score.append(row[7])self.list_teacher_score.append(row[8])self.list_total_score.append(row[9])utils.close()# 设置表格内容for i in range(min(len(self.list_sid), len(self.list_sname), len(self.list_sdept), len(self.list_chinese),len(self.list_math), len(self.list_english), len(self.list_average_score),len(self.list_classmate_score), len(self.list_teacher_score), len(self.list_total_score))):self.tree.insert("", i,values=(self.list_sid[i], self.list_sname[i], self.list_sdept[i], self.list_chinese[i],self.list_math[i], self.list_english[i], self.list_average_score[i],self.list_classmate_score[i], self.list_teacher_score[i],self.list_total_score[i]))# 绑定函数使表头可排序for col in self.columns:self.tree.heading(col, text=col, command=lambda _col=col: self.tree_sort_column(self.tree, _col, False))# 绑定点击事件self.tree.bind('<ButtonRelease-1>', self.tree_click)self.window.protocol("WM_DELETE_WINDOW", self.back)self.window.mainloop()# 点击表头排序def tree_sort_column(self, tv, col, reverse):l = [(tv.set(k, col), k) for k in tv.get_children('')]l.sort(reverse=reverse)for index, (val, k) in enumerate(l):# 根据排序后索引移动tv.move(k, '', index)# 重写标题，使之成为再点倒序的标题tv.heading(col, command=lambda: self.tree_sort_column(tv, col, not reverse))# 获取被点击的条目def tree_click(self, event):row = self.tree.identify_row(event.y)row_info = self.tree.item(row, 'values')self.var_sid.set(row_info[0])self.var_sname.set(row_info[1])self.var_sdept.set(row_info[2])self.var_chinese.set(row_info[3])self.var_math.set(row_info[4])self.var_english.set(row_info[5])self.var_classmate_score.set(row_info[7])self.var_teacher_score.set(row_info[8])# 清空输入框的内容def clear(self):self.var_sid.set("")self.var_sname.set("")self.var_sdept.set("")self.var_chinese.set("")self.var_math.set("")self.var_english.set("")self.var_classmate_score.set("")self.var_teacher_score.set("")# 添加学生成绩信息def insert(self):if messagebox.askyesnocancel("askyesnocancel", "是否该添加学生成绩信息？"):sid = self.var_sid.get()sname = self.var_sname.get()sdept = self.var_sdept.get()chinese = round(float(self.var_chinese.get()), 2)math = round(float(self.var_math.get()), 2)english = round(float(self.var_english.get()), 2)average_score = round(((chinese + math + english) / 3), 2)classmate_score = round(float(self.var_classmate_score.get()), 2)teacher_score = round(float(self.var_teacher_score.get()), 2)total_score = round((average_score * 0.7 + classmate_score * 0.1 + teacher_score * 0.2), 2)if sid in self.list_sid:messagebox.showwarning("showwarning", "该学生成绩信息已存在！")else:utils = PyMySQLUtils()utils.execute(f"INSERT INTO student_score VALUES('{sid}', '{sname}', '{sdept}', {chinese}, {math}, {english}, "f"{average_score}, {classmate_score}, {teacher_score}, {total_score})")utils.close()self.list_sid.append(sid)self.list_sname.append(sname)self.list_sdept.append(sdept)self.list_chinese.append(chinese)self.list_math.append(math)self.list_english.append(english)self.list_average_score.append(average_score)self.list_classmate_score.append(classmate_score)self.list_teacher_score.append(teacher_score)self.list_total_score.append(total_score)self.tree.insert('', 'end', values=(sid, sname, sdept, chinese, math, english, average_score,classmate_score, teacher_score, total_score))self.tree.update()messagebox.showinfo("showinfo", "添加学生成绩信息成功！")# 修改学生成绩信息def update(self):if messagebox.askyesnocancel("askyesnocancel", "是否修改该学生成绩信息？"):sid = self.var_sid.get()sname = self.var_sname.get()sdept = self.var_sdept.get()chinese = round(float(self.var_chinese.get()), 2)math = round(float(self.var_math.get()), 2)english = round(float(self.var_english.get()), 2)average_score = round(((chinese + math + english) / 3), 2)classmate_score = round(float(self.var_classmate_score.get()), 2)teacher_score = round(float(self.var_teacher_score.get()), 2)total_score = round((average_score * 0.7 + classmate_score * 0.1 + teacher_score * 0.2), 2)if sid not in self.list_sid:messagebox.showwarning("showwarning", "该学生成绩信息不存在！")else:utils = PyMySQLUtils()utils.execute(f"UPDATE student_score SET sname = '{sname}', sdept = '{sdept}', chinese = {chinese}, math = {math}, "f"english = {english}, average_score = {average_score}, classmate_score = {classmate_score}, "f"teacher_score = {teacher_score}, total_score = {total_score} WHERE sid = '{sid}'")sid_index = self.list_sid.index(sid)self.list_sname[sid_index] = snameself.list_sdept[sid_index] = sdeptself.list_chinese[sid_index] = chineseself.list_math[sid_index] = mathself.list_english[sid_index] = englishself.list_average_score[sid_index] = average_scoreself.list_classmate_score[sid_index] = classmate_scoreself.list_teacher_score[sid_index] = teacher_scoreself.list_total_score[sid_index] = total_scoreself.tree.item(self.tree.get_children()[sid_index], values=(sid, sname, sdept, chinese, math, english, average_score, classmate_score, teacher_score, total_score))messagebox.showinfo("showinfo", "修改学生成绩信息成功！")# 按学号查询某个学生成绩信息def select(self):if messagebox.askyesnocancel("askyesnocancel", "是否查询该学生成绩信息？"):sid = self.var_sid.get()if sid not in self.list_sid:messagebox.showwarning("showwarning", "该学生成绩信息不存在！")else:sid_index = self.list_sid.index(sid)self.var_sname.set(self.list_sname[sid_index])self.var_sdept.set(self.list_sdept[sid_index])self.var_chinese.set(self.list_chinese[sid_index])self.var_math.set(self.list_math[sid_index])self.var_english.set(self.list_english[sid_index])self.var_classmate_score.set(self.list_english[sid_index])self.var_teacher_score.set(self.list_teacher_score[sid_index])messagebox.showinfo("showinfo", "查询学生成绩信息成功！")# 删除学生成绩信息def delete(self):if messagebox.askyesnocancel("askyesnocancel", "是否删除该学生成绩信息？"):sid = self.var_sid.get()if sid not in self.list_sid:messagebox.showwarning("showwarning", "该学生成绩信息不存在！")else:utils = PyMySQLUtils()utils.execute(f"DELETE FROM student_score WHERE sid = '{sid}'")utils.close()sid_index = self.list_sid.index(sid)del self.list_sid[sid_index]del self.list_sname[sid_index]del self.list_sdept[sid_index]del self.list_chinese[sid_index]del self.list_math[sid_index]del self.list_english[sid_index]del self.list_average_score[sid_index]del self.list_classmate_score[sid_index]del self.list_teacher_score[sid_index]del self.list_total_score[sid_index]self.tree.delete(self.tree.get_children()[sid_index])messagebox.showinfo("showinfo", "删除学生成绩信息成功！")def back(self):if messagebox.askokcancel("askokcancel", "是否关闭该窗口？"):StartMenu(self.window)class mysql_excel:def __init__(self, path):if messagebox.askyesnocancel("askyesnocancel", "是否写入到Excel文件？"):utils = PyMySQLUtils()results = utils.fetchall("SELECT * FROM student_score")book = xlwt.Workbook(encoding="utf-8")sheet = book.add_sheet("sheet1", cell_overwrite_ok=True)table_head = ["学号", "姓名", "院系", "语文成绩", "数学成绩", "英语成绩", "考试平均成绩", "同学互评分", "任课教师评分", "综合测评总分"]for i in range(len(table_head)):sheet.write(0, i, table_head[i])for row in range(len(results)):for col in range(len(results[row])):print(results[row][col])sheet.write(row+1, col, results[row][col])book.save(path)messagebox.showinfo("showinfo", "成功写入到Excel文件！")class prepare:def create_table(self):utils = PyMySQLUtils()# 使用预处理语句创建表，若不存在则创建，若存在则跳过sql1 = """CREATE TABLE IF NOT EXISTS student_score(sid varchar(32) PRIMARY KEY,sname varchar(32) NOT NULL,sdept varchar(32) NOT NULL,chinese float(5,2) NOT NULL,math float(5,2) NOT NULL,english float(5,2) NOT NULL,average_score float(5,2) NOT NULL,classmate_score float(5,2) NOT NULL,teacher_score float(5,2) NOT NULL,total_score float(5,2) NOT NULL) ENGINE = InnoDB DEFAULT CHARSET = utf8"""utils.execute(sql1)# 使用预处理语句创建表，若不存在则创建，若存在则跳过sql2 = """CREATE TABLE IF NOT EXISTS teacher_login(username varchar(32) NOT NULL,password varchar(32) NOT NULL) ENGINE = InnoDB DEFAULT CHARSET = utf8"""utils.execute(sql2)utils.close()def excel_mysql(self):book = xlrd.open_workbook("D:\\PythonCode\\【Python】学生成绩管理系统\\【Python】学生成绩管理系统\\StudentScoreManagerSystem\\StudentScore.xlsx")sheet = book.sheet_by_index(0)utils = PyMySQLUtils()for i in range(1, sheet.nrows):sid = sheet.cell(i, 0).valuesname = sheet.cell(i, 1).valuesdept = sheet.cell(i, 2).valuechinese = sheet.cell(i, 3).valuemath = sheet.cell(i, 4).valueenglish = sheet.cell(i, 5).valueaverage_score = sheet.cell(i, 6).valueclassmate_score = sheet.cell(i, 7).valueteacher_score = sheet.cell(i, 8).valuetotal_score = sheet.cell(i, 9).valueutils.execute(f"INSERT INTO student_score VALUES('{sid}', '{sname}', '{sdept}', {chinese}, {math}, {english}, "f"{average_score}, {classmate_score}, {teacher_score}, {total_score})")utils.close()if __name__ == '__main__':pre = prepare()pre.create_table()pre.excel_mysql()window = Tk()StartMenu(window)

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