python学生管理系统（二）

from managerSystem import *
if __name__=='__main__':
    student_manager=StudentManager()
    student_manager.run()

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}'

from student import *
class StudentManager(object):
    def __init__(self):
        #存储学员数据
        self.student_list=[]
     #入口函数习惯定义run函数
    def run(self):
        #加载文件里面学员数据
        #菜单
        self.load_student()
        while True:
            self.show_menu()
            menu_num=int(input('请输入序号'))
            if menu_num ==1:
                #添加学员
              self.add_student()
            elif menu_num ==2:
                #删除学员
             self.del_student()
            elif menu_num==3:
                #修改学员信息
                self.modify_stundnt()
            elif menu_num==4:
                #查询学员信息
                self.serarch_stundet()
            elif menu_num==5:
                #显示所有学员信
                self.show_student()
            elif menu_num==6:
                #保存学员信息
                self.save_student()
            elif menu_num==7:
                #退出系统，退出循环
                break
    @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')
        print('4查询')
        print('5显示所有成员')
        print('6保存学员信息')
        print('7退出系统')
    def add_student(self):
       #用户输入
       name=input('输入姓名：')
       gender=input('请输入您的性别：')
       tel=input('输入手机号：')
       #导入student模块
       student=Student(name,gender,tel)
       self.student_list.append(student)
       print(self.student_list)
       print(student)
    def del_student(self):
       del_name=input('请输入删除学员名字：')
       for i in self.student_list:
           if i.name==del_name:
               self.student_list.remove(i)
               break
       else:
           print('查无此人')
    def modify_stundnt(self):
         modify_student=input('请输入姓名：')
         for i in self.student_list:
            if i.name==modify_student:
                i.name=input('输入姓名：')
                i.gender=input('请输入性别：')
                i.tel=input('请输入手机号：')
                print(f'修改成功，学员姓名{i.name}，学员性别{i.gender},学员电话{i.tel}')
                break
         else:
            print('查无此人')
    def serarch_stundet(self):
       serarch_stundet=input('请输入姓名：')
       for i in self.student_list:
           if i.name==serarch_stundet:
               print(f'{i.name}，{i.gender},{i.tel}')
               break
       else:
           print('查无此人')
    def show_student(self):
        print('姓名\t 性别\t 电话')
        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()