函数闭包带参数装饰器

'''函数闭包带参数装饰器'''
user_list = [
   {'name':'alex', 'passwd':'123'},
   {'name':'lhf', 'passwd':'123'},
   {'name':'yuanhao', 'passwd':'123'},
   {'name':'wupeiqi', 'passwd':'123'},
]
user_dic = {'name':None, 'login':False}

def auth(auth_type='filedb'):
   def auth_func(func):
      def wrapper(*args, **kwargs):
         print('认证类型是',auth_type)
         if auth_type == 'filedb':
            if user_dic['name'] and user_dic['login']:
               res = func(*args, **kwargs)
               return res
            username = input('请输入用户名：').strip()
            passwd = input('请输入密码：').strip()
            for i in user_list:
               if username == i['name'] and passwd == i['passwd']:
                  user_dic['name'] = username
                  user_dic['login'] = True
                  res = func(*args, **kwargs)
                  return res
            else:
               print('用户名或密码错误')
         elif auth_type == 'ldap':
            print('不知道怎么玩')
         else:
            print('你这个认证无法识别')
      return wrapper
   return auth_func

@auth(auth_type='filedb') # auth_func=auth(auth_type='filedb')-->@auth_func 附加了一个auth_type-->index=auth_func(index)
def index():
   print('欢迎登录系统')

@auth(auth_type='ldap')
def home(name):
   print('%s欢迎回到个人主页' % name)

@auth(auth_type='bbb')
def shopping_car(name):
   print('%s，您的购物清单里有%s，%s，%s' % (name, '篮球', '足球', '橄榄球'))

index()
home('wupeiqi')
shopping_car('alex')