python中装饰器级连的使用方法示例

#python 3.6 
def star(func): 
  def inner(*args, **kwargs): 
    print("*" * 30) 
    func(*args, **kwargs) 
    print("*" * 30) 
  return inner 
 
def percent(func): 
  def inner(*args, **kwargs): 
    print("%" * 30) 
    func(*args, **kwargs) 
    print("%" * 30) 
  return inner 
 
@star 
@percent 
def printer(msg): 
  print(msg) 
printer("Hello") 

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Hello
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