python 给类提供了名为__call__的特别方法,该方法允许程序员创建可调用的对象(实例) 默认情况下,__call__() 方法是没有实现的,这意味着大多数实例都是不可调用的。 class C(object): def __call__(self, *args): print "I'm callable! Called with args:\n", args a=C() print a print callable(a) C:\Python27\python.exe C:/Users/TLCB/PycharmProjects/untitled/eeeee/a15.py <__main__.C object at 0x025A7C30> True class C(object): def __init__(self, *args): print "I'm callable! Called with args:\n", args a=C() print a print callable(a) C:\Python27\python.exe C:/Users/TLCB/PycharmProjects/untitled/eeeee/a15.py I'm callable! Called with args: () <__main__.C object at 0x02477C30> False
__call__()方法
猜你喜欢
转载自blog.csdn.net/zhaoyangjian724/article/details/80432374
今日推荐
周排行