win环境安装python爬虫框架scrapy

#官网下载python for windows
#https://www.python.org/downloads/

#安装后在“计算机->属性->高级系统设置->环境变量->系统变量 ”
#在系统变量里找到PATH，双击PATH，在结尾加上
#E:\Users\username\AppData\Local\Programs\Python\Python35-32;
#E:\Users\username\AppData\Local\Programs\Python\Python35-32\Scripts

#安装scrapy
pip install scrapy

#安装wheel
pip install wheel

#手动下载lxml对应版本
#http://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml

#在cmd里cd到lxml文件的目录
pip install lxml-3.6.0-cp35-cp35m-win32.whl

#最后继续安装scrapy
pip install scrapy

pip install twisted-win