Python学习：面向对象版学员管理系统

项目根目录为：StudentManagerSystem
student.py代码为：

# 学员类
class Student(object):
    def __init__(self, name, gender, tel):
        self.name = name
        self.gender = gender
        self.tel = tel

    def __str__(self):
        return f'{self.name}, {self.gender}, {self.tel}'


# aa = Student('aa', 'nv', 111)
# print(aa)   # 测试内容

managerSystem.py代码为：

# 管理系统
from student import *


class StudentManager(object):
    def __init__(self):
        self.student_list = []  # 存储数据的列表

    def run(self):   # 入口函数
        self.load_student()   # 加载学员信息

        while True:
            self.show_menu()
            menu_num = int(input("请输入功能序号："))
            if menu_num == 1:
                self.add_student()    # 添加成员
            elif menu_num == 2:
                self.del_student()    # 删除学员
            elif menu_num == 3:
                self.modify_student()    # 修改学员信息
            elif menu_num == 4:
                self.search_student()    # 查询学员信息
            elif menu_num == 5:
                self.show_student()    # 显示所有学员信息
            elif menu_num == 6:
                self.save_student()    # 保存学员信息
            elif menu_num == 7:
                self.load_student()    # 加载学员信息
            elif menu_num == 8:
                break    # 退出系统

    @staticmethod
    def show_menu():
        print("请选择如下功能----------------")
        print("1,添加成员")
        print("2,删除成员")
        print("3,修改成员")
        print("4,查询成员")
        print("5,显示所有成员")
        print("6,保存学员信息")
        print("7,加载学员信息")
        print("8,退出系统")
        print("-" * 28)

    def add_student(self):
        name = input('请输入您的姓名：')
        gender = input('请输入您的性别：')
        tel = input('请输入您的手机号：')
        student = Student(name, gender, tel)
        self.student_list.append(student)
        # print(self.student_list)
        # print(student)

    def del_student(self):
        del_name = input('请输入要删除的学员姓名：')
        for i in self.student_list:
            if i.name == del_name:
                self.student_list.remove(i)
                break
        else:   # 正常结束的代码
            print('查无所人！')
        # print(self.student_list)

    def modify_student(self):
        modify_name = input('请输入要修改的学员的姓名：')
        for i in self.student_list:
            if i.name == modify_name:
                i.name = input('请输入您的姓名：')
                i.gender = input('请输入您的性别：')
                i.tel = input('请输入您的手机号：')
                print(f'修改成功！姓名：{i.name},性别：{i.gender},手机号：{i.tel}')
                break
        else:   # 正常结束的代码
            print('查无所人！')

    def search_student(self):
        search_name = input('请输入要查找的学员的姓名：')
        for i in self.student_list:
            if i.name == search_name:
                print(f'学员信息如下：')
                print(f'姓名：{i.name},性别：{i.gender},手机号：{i.tel}')
                break
        else:   # 正常结束执行的代码
            print('查无所人！')

    def show_student(self):
        print('姓名t性别t手机号')
        for i in self.student_list:
            print(f'{i.name}t{i.gender}t{i.tel}')

    def save_student(self):
        f = open('student.data', 'w')
        new_list = [i.__dict__ for i in self.student_list]
        print(new_list)
        f.write(str(new_list))
        f.close()

    def load_student(self):
        try:
            f = open('student.data', 'r')
        except:
            f = open('student.data', 'w')
        else:
            data = f.read()
            new_list = eval(data)
            self.student_list = [Student(i['name'], i['gender'], i['tel']) for i in new_list]
        finally:
            f.close()

main.py:

# 主程序入口文件
from managerSystem import *

if __name__ == '__main__':  # 当前文件
    student_manager = StudentManager()
    student_manager.run()