Linux 创建虚拟环境

pip install virtualenv

pip install virtualenvwrapper-win
  
mkvirtualenv DjangoProject    #创建虚拟环境

workon                       #查看有哪些虚拟环境

workon DjangoProject      #进入创建的虚拟环境

deactivate.bat      #退出虚拟环境
activate.bat        #激活虚拟环境

cd ~
mkdir -p  python/env && cd python/env
virtualenv -p /usr/bin/python3 djangoblog
source djangoblog/bin/activate

source ~/python/env/djangoblog/bin/activate
cd ~/python/DjangoBlog
pip install -Ur requirements.txt

pip freeze>requirements.txt     #导出环境