#__author: Administrator #date: 2018/5/21 login_status_jingdong = False login_status_weixin = False def start(): list={1:'home',2:'finance',3:'book'} list1={1:home,2:finance,3:book} for i in list: print(i,list[i]) select_num =input('请输入访问网页的编号[退出:q]>>') if select_num=='q': return exit() elif select_num.isdigit(): key=int(select_num) list1[key]() else: print('请输入有效值！') def login(auth_type=''): def outter(a): def inner(): global login_status_jingdong#获取全局变量来实现该变量的赋值修改 global login_status_weixin if auth_type=='jingdong': if login_status_jingdong is False: with open('京东账号', 'r', encoding='utf8') as f1: # 打开存有用户和密码的文件只读模式 d1 = {} for i in f1.readlines(): [key, valus] = i.split('=') # 通过分隔符将字符串转为列表，并赋值给变量key和valus d1[key] = valus.strip() # 向字典中添加元素，这步就实现了字符串转为列表的功能 user = input('请输入用户名>>'.strip()) password = input('请输入密码>>'.strip()) if user == d1['user'] and password == d1['password']: login_status_jingdong= True a() else: print('账号或密码错误') f1.close() else: a() elif auth_type=='weixin': if login_status_weixin is False: with open('微信账号', 'r', encoding='utf8') as f2: # 打开存有用户和密码的文件只读模式 d2 = {} for i in f2.readlines(): [key, valus] = i.split('=') # 通过分隔符将字符串转为列表，并赋值给变量key和valus d2[key] = valus.strip() # 向字典中添加元素，这步就实现了字符串转为列表的功能 user = input('请输入用户名>>'.strip()) password = input('请输入密码>>'.strip()) if user == d2['user'] and password == d2['password']: login_status_weixin = True a() else: print('Sorry') f2.close() else: a() return inner return outter @login('jingdong') def home(): print('welcome to home page') @login('weixin') def finance(): print('welcome to finance page') @login('jingdong') def book(): print('welcome to book page') while True: start()文章来源: python装饰器之登录练习