Rpa 4942 号会员
  •  1 回帖  •  380 浏览  •  2020-11-19 22:52:03

装饰器 

def makebold(f):
return lambda: "<b>" + f() + "</b>"

def makeitalic(f):
return lambda: "<i>" + f() + "</i>"

@makebold
@makeitalic
def say():
return "Hello"

say()

Hello
不使用装饰器，可读性非常差

def say():
return "Hello"

 makebold(makeitalic(say))()

Hello