1 有参数的装饰器 --> 高阶函数
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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)