### **查看Virtualenv版本及是否安装** ``` pip list ``` ### **安装Virtualenv** ``` pip install virtualenv //或者由于权限问题使用sudo临时提升权限 sudo pip install virtualenv ``` ### **添加文件夹** ``` mkdir yourname ``` ### * 切换文件夹** ``` cd yourname ``` ### **切换文件夹并添加APP** ``` cd yourname virtualenv app-name ``` ### **激活虚拟环境** ``` source app-name/bin/activate ``` ### **退出环境** ``` deactivate ``` ### **导出列表** ``` pip freeze > requirements.txt 另存为utf-8格式就不会报错了 上传到根目录 pip install -r ~/requirements.txt ``` ### **错误** ``` Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-JlkM6j/MySQL-python/ ``` ``` # 缺少包 libmysqlclient-dev sudo apt-get install libmysqlclient-dev ``` ### 错误 ``` Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-JlkM6j/MySQL-python/ ``` ``` # 缺少包 libmysqlclient-dev sudo apt-get install libmysqlclient-dev txt里删除MySQL-python后，单独安装 ``` ### 错误 ``` Could not find a version that satisfies the requirement urllib==1.21.1 (from -r /root/requirements.txt (line 56)) (from versions: ) No matching distribution found for urllib==1.21.1 (from -r /root/requirements.txt (line 56)) ```