编译简单京东商城购物！

user_list=[{'name':'alex','passwd':'123'},
{'name':'alex','passwd':'123'},
{'name':'alex','passwd':'123'},
{'name':'alex','passwd':'123'},
{'name':'alex','passwd':'123'},
{'name':'alex','passwd':'123'},]
current_dic={'username':None,'login':False}

def auth_func(func):
    def wrapper(*args,**kwargs):
        if current_dic['username']and current_dic['login']:
            res = func(*args,**kwargs)
            return res
        username = input('用户名：').strip()
        passwd =input('密码：').strip()
        for user_dic in user_list:
            if username ==user_dic['name']and passwd ==user_dic['passwd']:
                current_dic['username']=username
                current_dic['login']=True
                res = func(*args,**kwargs)
                return res
        else:
            print('用户名或密码错误')

    return wrapper
@auth_func
def index():
    print('欢迎来到京东商城')
@auth_func
def home(name):
    print('欢迎回家%s' %name)
@auth_func
def shopping_car(name):
    print('%s购物车里面有[%s,%s,%s]' %(name,'衣服','鞋子','饮料'))

print('-------->',current_dic)
index()
print('---------->',current_dic)
home('产品经理')