python面向对象学员管理

学生对象

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',11)
# print(aa)

StudentManager

from student import *
class StudentManager():
    def __init__(self):
        #存储数据所用列表
        self.student_list=[]

    def run(self):
        self.load_student()


        while True:
            self.show_menu()

            menu_num=int(input('请输入您要输入的功能序号'))

            if menu_num ==1:
                self.add_student()
            elif menu_num==2:
                self.del_student()
            elif menu_num==3:
                self.modify_student()
            elif menu_num==4:
                self.search_student()
            elif menu_num==5:
                self.show_student()

            elif menu_num==6:
                self.save_student()
            elif menu_num==7:
                break

    #系统功能函数
    @staticmethod
    def show_menu():
        print('请选择如下功能')
        print('1.添加学员')
        print('2.删除学员')
        print('3.修改学员')
        print('4.查询学员')
        print('5.显示所有学员信息')
        print('6.保存学员信息')
        print('7.退出系统')

    #2.1显示功能菜单
    #2.2添加学员
    def add_student(self):
        print('添加学员信息')
        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)

    #2.3删除学员
    def del_student(self):
        print('删除学员信息')
        del_name=input('请输入要删除学员的姓名')
        for i in self.student_list:
            if i.name==del_name:
                self.student_list.remove(i)
                break
        else:
            print('查无此人')
        print(self.student_list)
    #2.4修改学员
    def modify_student(self):
        print('修改学员信息')
        modify_name = input('请输入要删除学员的姓名')
        for i in self.student_list:
            if i.name == modify_name:
                i.name=input('请输入学员姓名')
                i.gender=input('请输入学员性别')
                i.tel=input('请输入学员手机号')
                print(f'修改学员成功，姓名：{i.name}，性别{i.gender}，手机号{i.tel}')
                break
        else:
            print('查无此人')
        print(self.student_list)

    ##2.5查询学员
    def search_student(self):
        print('查找学员信息')
        search_name = input('请输入要删除学员的姓名')
        for i in self.student_list:
            if i.name == search_name:
                print(f'姓名：{i.name}，性别{i.gender}，手机号{i.tel}')
                break
        else:
            print('查无此人')
        print(self.student_list)

    def show_student(self):
        print('显示所有学员信息')
        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):
        print('保存学员信息')
        f=open('student.data','w')

        new_list=[i.__dict__ for i in self.student_list]

        f.write(str(new_list))
        f.close()

    def load_student(self):
        print('加载学员信息')
        try:
            f=open('student.data','r')
        except:
            f = open('student.data', 'r')

        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

from managerSystem import *

if __name__=='__main__':
    student_manager=StudentManager()
    student_manager.run()