人生苦短,我用python.

install

plug

vi ~/.pip/pip.conf

# 豆瓣
[global]
timeout = 6000
index-url = https://pypi.douban.com/simple
trusted-host = https://pypi.douban.com

py3 -m pip install --upgrade pip

pip freeze > requirements.txt

pip install -r requirements.txt

pip3 install virtualenv
ln -s /usr/local/py3/bin/virtualenv /usr/bin/virtualenv

virtualenv --no-site-packages name
cd name

source name/bin/activate

deactivate

pip3 install requests

pip3 install beautifulsoup4 lxml