摘要: class Foo: def __init__(self,name): self.name = name def __enter__(self): print('执行enter') return self def __exit__(self, exc_type, exc_val, exc_tb): 阅读全文
posted @ 2020-01-12 14:43 挑水工 阅读(143) 评论(0) 推荐(0) 编辑