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article_spider

文章爬虫练习

问题

pip install scrapy -> Microsoft Visual C++ 14.0 is required

解决方案 http://www.lfd.uci.edu/~gohlke/pythonlibs/#twisted 下载twisted对应版本的whl文件(如我的Twisted‑17.5.0‑cp36‑cp36m‑win_amd64.whl),cp后面是python版本,amd64代表64位,运行命令: pip install C:\Users\CR\Downloads\Twisted-17.5.0-cp36-cp36m-win_amd64.whl 其中install后面为下载的whl文件的完整路径名 安装完成后,再次运行: pip install Scrapy 即可成功。

scrapy crawl (projectName) -> error windows 系统才有的错误 解决方法 pip install pypiwin32

scrapy 常用命令

scrapy startproject (projectName) -> create a scrapy project scrapy genspider example example.com -> create a spider template for a site scrapy crawl (projectName) -> run project scrapy shell (url) -> debug url

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