Python装饰器的练习题

def wapper(func):
 def innner(*args,**kwargs):
  ret=func(*args,**kwargs)
  ret=print(ret+100)
  return ret
 return innner
@wapper
def func(number):
 return int(number)
func(100)
###结果：200

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def wapper(func):
 def innner(*args,**kwargs):
  count=0
  while count<5:
func(*args,**kwargs)
count+=1
 return innner
@wapper
def func():
 print("执行")
func()

import time
def wapper(func):
 def inner(*args,**kwargs):
  with open("log",encoding="utf-8",mode="a+") as f:
structime=time.localtime()
f.write(f'北京时间：{time.strftime("%Y-%m-%d %H:%M:%S",structime)} 函数名字为：{func.__name__}\n')
  ret=func(*args,**kwargs)
  return ret
 return inner
@wapper
def func():
 print("执行")
func()