带参数的装饰器

def login(text):
    def decorator(func):
        def wrapper(*args, **kargs):
            print('%s----%s'%(text, func.__name__))
            return func(*args, **kargs)
        return wrapper
    return decorator

@login('this is a parameter of decorator')
def f2():
    print('2020-11-17')


if __name__ == '__main__':
    f2()
    print(f2.__name__)


执行结果：

this is a parameter of decorator----f2
2020-11-17
wrapper

 

import functools

def login(text):
    def decorator(func):
        @functools.wraps(func)
        def wrapper(*args, **kargs):
            print('%s----%s'%(text, func.__name__))
            return func(*args, **kargs)
        return wrapper
    return decorator

@login('this is a parameter of decorator')
def f2():
    print('2020-11-17')


if __name__ == '__main__':
    f2()
    print(f2.__name__)


执行结果：

this is a parameter of decorator----f2
2020-11-17
f2