摘要: https://docs.scrapy.org/en/latest/intro/tutorial.html https://docs.scrapy.org/en/latest/topics/selectors.html https://docs.scrapy.org/en/latest/topics 阅读全文
posted @ 2023-03-28 19:01 saaspeter 阅读(20) 评论(0) 推荐(0) 编辑
摘要: 本文的重点介绍python中的yield用法及这样的表达式: comp_list = [x * 2 for x in range(10)] -- List Comprehensions 和 (x ** 2 for x in range(10)) -- Generator Expressions 摘抄 阅读全文
posted @ 2023-03-28 14:49 saaspeter 阅读(15) 评论(0) 推荐(0) 编辑