虚拟环境的安装和配置

1.pip install virtualenv

下载很慢的情况下 用豆瓣源 https://pypi.doubanio.com/simple  pip install  -i  https://pypi.doubanio.com/simple/django  回车

virtualenv scrapytest

一定要切换到Scripts目录下 进入虚拟环境

 C:Users13413scrapytestScripts>activate.bat

退出虚拟环境

deactivate.bat

C:Users13413scrapytestScripts>virtualenv -p E:PythonPython36python.exe scrapypy3  -p后面是你得python目录

cd scrapypy3Scripts

C:Users13413scrapytestScriptsscrapypy3Scripts>activate.bat 进入虚拟环境