定义学生类，包含学号、姓名、班级、电话、家庭住址、宿舍号

class Student: def init(self, id, name, classname, phone, address, dorm): self.id = id self.name = name self.classname = classname self.phone = phone self.address = address self.dorm = dorm

定义管理类，包含文件名、学生列表等属性和添加、修改、删除、查找、浏览等方法

class Manage: def init(self): self.filename = "students.txt" # 存储学生信息的文件名 self.students = [] # 学生列表

# 从文件中加载学生信息到列表中
def load_data(self):
    try:
        with open(self.filename, "r", encoding="utf-8") as f:
            for line in f:
                line = line.strip()
                if line:
                    id, name, classname, phone, address, dorm = line.split(",")
                    student = Student(id, name, classname, phone, address, dorm)
                    self.students.append(student)
    except FileNotFoundError:
        pass

# 将学生列表中的信息保存到文件中
def save_data(self):
    with open(self.filename, "w", encoding="utf-8") as f:
        for student in self.students:
            line = "{},{},{},{},{},{}\n".format(student.id, student.name, student.classname, student.phone, student.address, student.dorm)
            f.write(line)

# 添加学生信息
def add_student(self):
    id = input("请输入学号：")
    name = input("请输入姓名：")
    classname = input("请输入班级：")
    phone = input("请输入电话：")
    address = input("请输入家庭住址：")
    dorm = input("请输入宿舍号：")
    student = Student(id, name, classname, phone, address, dorm)
    self.students.append(student)
    self.save_data()
    print("添加成功！")

# 修改学生信息
def modify_student(self):
    id = input("请输入要修改信息的学生学号：")
    for student in self.students:
        if student.id == id:
            print("学号\t姓名\t班级\t电话\t家庭住址\t宿舍号")
            print("{}\t{}\t{}\t{}\t{}\t{}".format(student.id, student.name, student.classname, student.phone, student.address, student.dorm))
            choice = input("请选择要修改的信息（1-班级 2-电话 3-家庭住址 4-宿舍号 0-取消）：")
            if choice == "1":
                classname = input("请输入新的班级：")
                student.classname = classname
                self.save_data()
                print("修改成功！")
            elif choice == "2":
                phone = input("请输入新的电话：")
                student.phone = phone
                self.save_data()
                print("修改成功！")
            elif choice == "3":
                address = input("请输入新的家庭住址：")
                student.address = address
                self.save_data()
                print("修改成功！")
            elif choice == "4":
                dorm = input("请输入新的宿舍号：")
                student.dorm = dorm
                self.save_data()
                print("修改成功！")
            elif choice == "0":
                print("取消修改！")
            else:
                print("输入有误！")
            return
    print("没有找到该学生！")

# 删除学生信息
def delete_student(self):
    id_or_name = input("请输入要删除信息的学生学号或姓名：")
    for student in self.students:
        if student.id == id_or_name or student.name == id_or_name:
            self.students.remove(student)
            self.save_data()
            print("删除成功！")
            return
    print("没有找到该学生！")

# 查找学生信息
def search_student(self):
    id_or_name = input("请输入要查找信息的学生学号或姓名：")
    for student in self.students:
        if student.id == id_or_name or student.name == id_or_name:
            print("学号\t姓名\t班级\t电话\t家庭住址\t宿舍号")
            print("{}\t{}\t{}\t{}\t{}\t{}".format(student.id, student.name, student.classname, student.phone, student.address, student.dorm))
            return
    print("没有找到该学生！")

# 浏览所有学生信息
def show_students(self):
    print("学号\t姓名\t班级\t电话\t家庭住址\t宿舍号")
    for student in self.students:
        print("{}\t{}\t{}\t{}\t{}\t{}".format(student.id, student.name, student.classname, student.phone, student.address, student.dorm))

# 启动管理系统
def start(self):
    self.load_data()
    while True:
        print("===== 学生信息管理系统 =====")
        print("1. 录入学生信息")
        print("2. 修改学生信息")
        print("3. 删除学生信息")
        print("4. 查找学生信息")
        print("5. 浏览所有学生信息")
        print("6. 退出系统")
        choice = input("请选择功能（1-6）：")
        if choice == "1":
            self.add_student()
        elif choice == "2":
            self.modify_student()
        elif choice == "3":
            self.delete_student()
        elif choice == "4":
            self.search_student()
        elif choice == "5":
            self.show_students()
        elif choice == "6":
            confirm = input("确定退出系统吗？（y/n）：")
            if confirm == "y":
                print("谢谢使用！")
                break
        else:
            print("输入有误！")

if name == 'main': manage = Manage() manage.start(