Scrapy框架安装

1.wheel
pip install whell
2.lxml
http://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml
3.pyOpenssl
https://pypi.python.org/pypi/pyOpenSSL#downloads
4.Twisted
http://www.lfd.uci.edu/~gohlke/pythonlibs/#twisted
5.Pywin32
https://sourceforge.net/projects/pywin32/files/pywin32/Build%20221/
6.Scrapy
pip install scrapy