# -*- coding:utf-8 -*-#!python3user_list = [ {'name':'ad1','passwd':'123'}, {'name':'ad2','passwd':'123'}, {'name':'ad3','passwd':'123'}, {'name':'ad4','passwd':'123'}]#初始状态，用来保存登陆的用户，client_dic = {'username':None,'login':False}#添加新功能def auth_func(func): def wrapper(*args,**kwargs): #参数检查，判断是否有用户登录，如果有，不用验证，直接执行函数的功能 if client_dic['username'] and client_dic['login']: res = func(*args,**kwargs) return res #输入用户名和密码 username = input('用户名:').strip() passwd = input('passwd:').strip() #对比列表，检查用户名和密码是否正确 for user_dic in user_list: if username == user_dic['name'] and passwd == user_dic['passwd']: client_dic['username'] = user_dic['name'] client_dic['login'] = True res = func(*args,**kwargs) return res else: print('用户名或者密码错误!') return wrapper@auth_funcdef index(): print("欢迎来到主页")@auth_funcdef home(name): print("欢迎回家:%s"%name)@auth_funcdef shoppping_car(): print('购物车里有[%s,%s,%s]'%('奶茶','妹妹','娃娃'))print(client_dic)index()print(client_dic)home('root') 
