学生管理系统Python版

import tkinter as tk from tkinter import scrolledtext, messagebox import os students = [ {"学号": 1, "姓名": "小明", "年龄": 20, "成绩": 66, "性别": "男", "电话": 123456}, {"学号": 2, "姓名": "小红", "年龄": 21, "成绩": 69, "性别": "女", "电话": 130555} ] path = os.getenv('temp') filename = os.path.join(path, 'info.txt') # 登录窗口 def login_window(): login_root = tk.Tk() login_root.title("登录") login_root.geometry('800x500') # 居中布局 frame = tk.Frame(login_root) frame.place(relx=0.5, rely=0.5, anchor=tk.CENTER) labelName = tk.Label(frame, text='用户名:', font=('楷体', 30, ''), justify=tk.RIGHT, anchor='e') labelName.grid(row=0, column=0, padx=10, pady=10) varName = tk.StringVar(login_root, value='') entryName = tk.Entry(frame, font=('楷体', 30, ''), textvariable=varName) entryName.grid(row=0, column=1, padx=10, pady=10) labelPwd = tk.Label(frame, text='用户密码:', font=('楷体', 30, ''), justify=tk.RIGHT, anchor='e') labelPwd.grid(row=1, column=0, padx=10, pady=10) varPwd = tk.StringVar(login_root, value='') entryPwd = tk.Entry(frame, font=('楷体', 30, ''), show='*', textvariable=varPwd) entryPwd.grid(row=1, column=1, padx=10, pady=10) # 尝试自动填写用户名和密码 try: with open(filename) as fp: n, p = fp.read().strip().split(' ') varName.set(n) varPwd.set(p) except: pass rememberMe = tk.IntVar(login_root, value=1) checkRemember = tk.Checkbutton(frame, text='记住用户名和密码', variable=rememberMe, font=('楷体', 20)) checkRemember.grid(row=2, columnspan=2, pady=10) def login(): name = varName.get() pwd = varPwd.get() if name == "admin" and pwd == "123456": if rememberMe.get() == 1: with open(filename, 'w') as fp: fp.write(f"{name} {pwd}") messagebox.showinfo("登录成功", "欢迎，管理员！") login_root.destroy() main_window() else: messagebox.showerror("登录失败", "用户名或密码错误") btnLogin = tk.Button(frame, text='登录', command=login, font=('楷体', 30)) btnLogin.grid(row=3, columnspan=2, pady=20) login_root.mainloop() # 主功能窗口 def main_window(): root = tk.Tk() root.title("学生管理系统") root.geometry('300x500') # 更改窗口大小以适应竖直排列的按钮 def add_student(): def save_student(): sid = int(entryID.get()) name = entryName.get() age = int(entryAge.get()) score = int(entryScore.get()) gender = entryGender.get() phone = int(entryPhone.get()) # 检查学号是否已存在 existing_student = next((student for student in students if student["学号"] == sid), None) if existing_student: messagebox.showinfo("提示", f"已存在学号为{sid}的学生：\n姓名：{existing_student['姓名']}\n年龄：{existing_student['年龄']}\n成绩：{existing_student['成绩']}\n性别：{existing_student['性别']}\n电话：{existing_student['电话']}") return students.append({"学号": sid, "姓名": name, "年龄": age, "成绩": score, "性别": gender, "电话": phone}) messagebox.showinfo("成功", "学生信息已添加") add_root.destroy() add_root = tk.Tk() add_root.title("添加学生信息") labels = ["学号", "姓名", "年龄", "成绩", "性别", "电话"] entries = [] for idx, label_text in enumerate(labels): label = tk.Label(add_root, text=label_text, font=('楷体', 20, ''), width=10) label.grid(row=idx, column=0, padx=10, pady=10) entry = tk.Entry(add_root, font=('楷体', 20, ''), width=20) entry.grid(row=idx, column=1, padx=10, pady=10) entries.append(entry) entryID, entryName, entryAge, entryScore, entryGender, entryPhone = entries btnSave = tk.Button(add_root, text="保存", command=save_student, font=('楷体', 20)) btnSave.grid(row=len(labels), column=0, columnspan=2, pady=20) add_root.mainloop() def display_students(): all_students_text = "\n".join([ f"学号: {student['学号']}, 姓名: {student['姓名']}, 年龄: {student['年龄']}, 成绩: {student['成绩']}, 性别: {student['性别']}, 电话: {student['电话']}" for student in students]) root6 = tk.Tk() root6.title("全部学生信息") text_widget = scrolledtext.ScrolledText(root6, height=30, width=60) text_widget.pack(fill="both", expand=True) text_widget.delete(1.0, tk.END) text_widget.insert(tk.END, all_students_text) # 删除功能 def delete_student(): # 获取要删除的学生ID def delete(): # 获取要删除的学生ID student_id = delete_var.get() if not student_id: messagebox.showerror("Error", "请输入学生ID!") return try: # 转换为整数，并检查ID是否在学生列表中 student_id = int(student_id) student_to_delete = next((s for s in students if s["学号"] == student_id), None) if student_to_delete: students.remove(student_to_delete) messagebox.showinfo("Success", f"学生ID {student_id} 已删除!") # 清除输入框并更新列表 delete_var.set('') # 清空输入框 else: messagebox.showerror("Error", "学生ID不存在!") except ValueError: messagebox.showerror("Error", "学生ID必须是数字!") # 创建tkinter窗口 delete_window = tk.Toplevel(root) delete_window.title("删除学生") delete_window.geometry('300x100') delete_label = tk.Label(delete_window, text="请输入学号:") delete_label.grid(row=0, column=0) delete_var = tk.StringVar() # 创建一个StringVar用于获取输入框中的值 delete_entry = tk.Entry(delete_window, textvariable=delete_var) delete_entry.grid(row=0, column=1) delete_button = tk.Button(delete_window, text="删除学生", command=delete) delete_button.grid(row=1, column=0, columnspan=2) # 修改功能 def modify_student(): selected_student_index = None def save_changes(): nonlocal selected_student_index if selected_student_index is None: messagebox.showerror("错误", "请选择要修改的学生.") return # 更新学生信息 students[selected_student_index]["姓名"] = name_var.get() students[selected_student_index]["年龄"] = int(age_var.get()) students[selected_student_index]["成绩"] = int(grade_var.get()) students[selected_student_index]["性别"] = gender_var.get() students[selected_student_index]["电话"] = int(tel_var.get()) messagebox.showinfo("成功", "学生信息修改成功!") display_students() # 更新显示 modify_window.destroy() # 创建主窗口 modify_window = tk.Toplevel(root) modify_window.title("管理学生") modify_window.geometry("600x600") # 添加提示语句 tk.Label(modify_window, text="请在下方选择你�