有参装饰器

# 由于语法糖@的限制，outter函数只能有一个参数，并且该才是只用来接收被装饰对象的内存地址

def outter(func):
    def wrapper(*args,**kwargs):
        res=func(*args,**kwargs)
        return res
    return wrapper


@outter
def index(x,y):
    print(x,y)

# 语法糖
def auth(db_type):
    def deco(func):
        def wrapper(*args, **kwargs):
            name = input('your name>>>: ').strip()
            pwd = input('your password>>>: ').strip()

            if db_type == 'file':
                print('基于文件的验证')
                if name == 'egon' and pwd == '123':
                    res = func(*args, **kwargs)  
                    return res
                else:
                    print('user or password error')
            elif db_type == 'mysql':
                print('基于mysql的验证')
            else:
                print('不支持该db_type')
        return wrapper
    return deco


@auth(db_type='file')  
def index(x, y):
    print('index->>%s:%s' % (x, y))

@auth(db_type='mysql') 
def home(name):
    print('home->>%s' % name)


# index(1, 2)
# home('egon')

有参装饰器模板

有参装饰器模板
def 有参装饰器(x,y,z):
    def outter(func):
        def wrapper(*args, **kwargs):
            res = func(*args, **kwargs)
            return res
        return wrapper
    return outter

@有参装饰器(1,y=2,z=3)
def 被装饰对象():
    pass