Scrapy爬虫框架入门 Scrapy概述 组件 数据处理流程 安装和使用Scrapy -- coding: utf-8 -- Define here the models for your scraped items See documentation in: https://doc.scrapy.org/en/latest/topics/...
自顶向下设计 Shell 函数 局部变量 保持脚本运行 总结归纳 拓展阅读 自顶向下设计 As programs get larger and more complex, they become more difficult to design, code and maintain. As with any large project, i...