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
PHP中文网
PHP中文网 2017-04-18 10:32:17
0
1
567

爬虫运行遇到如此问题要怎么解决

PHP中文网
PHP中文网

认证0级讲师

reply all(1)
Ty80

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[]

Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!