学生成绩登记系统

# 定义学生类
class Student:
    def __init__(self, name, age, score):
        self.name = name
        self.age = age
        self.score = score

    def __str__(self):
        return 'Name: %s, Age: %s, Score: %s' % (self.name, self.age, self.score)

# 定义学生列表
student_list = []

# 定义功能函数
def show_menu():
    print('*' * 20)
    print('欢迎使用学生成绩登记系统')
    print('1. 添加学生')
    print('2. 删除学生')
    print('3. 修改学生')
    print('4. 查询学生')
    print('5. 显示所有学生')
    print('6. 退出系统')
    print('*' * 20)

def add_student():
    name = input('请输入学生姓名：')
    age = int(input('请输入学生年龄：'))
    score = int(input('请输入学生成绩：'))
    student = Student(name, age, score)
    student_list.append(student)
    print('添加%s成功！' % student.name)

def delete_student():
    name = input('请输入要删除的学生姓名：')
    for i in range(len(student_list)):
        if student_list[i].name == name:
            del student_list[i]
            print('删除%s成功！' % name)
            return
    print('没有找到%s！' % name)

def modify_student():
    name = input('请输入要修改的学生姓名：')
    for i in range(len(student_list)):
        if student_list[i].name == name:
            student_list[i].age = int(input('请输入学生新年龄：'))
            student_list[i].score = int(input('请输入学生新成绩：'))
            print('修改%s成功！' % name)
            return
    print('没有找到%s！' % name)

def query_student():
    name = input('请输入要查询的学生姓名：')
    for i in range(len(student_list)):
        if student_list[i].name == name:
            print(student_list[i])
            return
    print('没有找到%s！' % name)

def show_all_student():
    for student in student_list:
        print(student)

# 主函数
def main():
    while True:
        show_menu()
        choice = int(input('请输入你的操作：'))
        if choice == 1:
            add_student()
        elif choice == 2:
            delete_student()
        elif choice == 3:
            modify_student()
        elif choice == 4:
            query_student()
        elif choice == 5:
            show_all_student()
        elif choice == 6:
            break
        else:
            print('输入错误！')

if __name__ == '__main__':
    main()

以下是增加了图形界面的代码

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import tkinter as tk

# 初始化Tk()
window = tk.Tk()
window.title('学生成绩登记系统')
window.geometry('400x300')

# 创建学生信息
l = tk.Label(window, text='学生信息', bg='green', font=('Arial', 12), width=15, height=2)
l.pack()

# 创建学生姓名输入框
tk.Label(window, text='学生姓名：', bg='yellow', font=('Arial', 12)).place(x=50, y=50)
var_name = tk.StringVar()
entry_name = tk.Entry(window, textvariable=var_name)
entry_name.place(x=160, y=50)

# 创建学生成绩输入框
tk.Label(window, text='学生成绩：', bg='yellow', font=('Arial', 12)).place(x=50, y=90)
var_score = tk.StringVar()
entry_score = tk.Entry(window, textvariable=var_score)
entry_score.place(x=160, y=90)

# 创建提交按钮
def insert_data():
    name = var_name.get()
    score = var_score.get()
    print('学生姓名：%s，学生成绩：%s' % (name, score))

btn_confirm = tk.Button(window, text='提交', width=10, height=1, command=insert_data)
btn_confirm.place(x=160, y=130)

window.mainloop()