selenium安装

pip安装

pqi优化pip下载速度

pip install selenium
pip install --upgrade selenium
pip show selenium

离线安装

官网下载selenium-3.141.0.tar.gz

https://pypi.org/project/selenium/#files
cd 解压目录
python setup.py install

下载chromedriver

http://npm.taobao.org/mirrors/chromedriver/