python - scrapy运行爬虫一打开就关闭了没有爬取到数据是什么原因
爬虫运行遇到如此问题要怎么解决
PHP中文网2017-04-18 10:34:17
It is likely that your crawling rules are wrong, that is to say, the xpath (or other parsing tools) rules in your spider code are wrong. As a result, it was not crawled. You can print out the URL and see if it’s correct[]
