初学Python爬虫，计划从大连商品交易所网站，爬取每日发布的PVC市场价格数据（http://www.dce.com.cn/portal/cate?cid=1329986308100 ...

I don’t like it when third-party apps or services force me to share links to articles or webpages using their own custom shortened links. I understand the appeal of personalized short domains – after ...