1 有参数的装饰器 --> 高阶函数
2 执行时间 --> time 库
上代码：
from functools import wraps import time # 面向对象写法 class TakeTime: def __init__(self, para: int): self.para = para def __call__(self, func): @wraps(func) def wrapped(*args, **kwargs): start_time = time.time() name = func.__name__ func(*args, **kwargs) count_time = time.time() - start_time if self.para >= count_time: print("the {name} take {time}, less time".format(name=name, time=count_time)) else: print("the {name} take {time}, more time".format(name=name, time=count_time)) return func return wrapped # 常规写法 def func_time(para: int): def decorator(func): @wraps(func) def wrapper(*args, **kwargs): start_time = time.time() name = func.__name__ func(*args, **kwargs) count_time = time.time() - start_time if para >= count_time: print("the {name} take {time}, less time".format(name=name, time=count_time)) else: print("the {name} take {time}, more time".format(name=name, time=count_time)) return func return wrapper return decorator @TakeTime(10) def log(): for x in range(10): time.sleep(0.5) @func_time(10) def log1(): for x in range(10): time.sleep(0.5)
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