离线whl安装包下载地址:https://www.lfd.uci.edu/~gohlke/pythonlibs/
报错内容:error: Microsoft Visual C++ 14.0 is required. Get it with “Microsoft Visual C++ Build Tools”: https://visualstudio.microsoft.com/downloads/
下载离线安装包 Twisted-19.2.0-cp37-cp37m-win32.whl
解决方法:pip install Twisted-19.2.0-cp37-cp37m-win32.whl
pip install scrapy
报错内容:ModuleNotFoundError: No module named ‘win32api’
解决方法:pip install pywin32
正常安装后的测试方法
scrapy bench
即可正常运行scrapy