fyinthesky的专栏

http://stackoverflow.com/questions=========Scrapy use pipeline store data to postgredb==========[postgredb]CREATE TABLE public.stack2(    title text COLLATE pg_catalog."default",    url text C...

------------------scrapy 命令和例子--------------------==========常用命令======scrapy startproject abc www.abc.com   ----create projectscrapy shell lab.scrapyd.cn    ---debug 查看页面html内容scrapy shell http:...

scrapy css xpath 例子如下段 目标代码，提取cnblogs首页的文章标题和连接：==================================================<div class="post_item_body">    <h3><a class="titlelnk" href="https://www.cnblogs....