import functools def log(name): if callable(name): @functools.wraps(name) def wrapper(*args, **kw): print('begin call', name.__name__) f = name(*args, **kw) print('end call', name.__name__) return f return wrapper else: def decorator(func): @functools.wraps(func) def wrapper(*args, **kw): print('begin call', name) f = func(*args, **kw) print('end call', name) return f return wrapper return decorator
你应该加上return wrapper,你不测试下函数的吗,不加都不会出结果
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