### **查看Virtualenv版本及是否安裝** ``` pip list ``` ### **安裝Virtualenv** ``` pip install virtualenv //或者由于權限問題使用sudo臨時提升權限 sudo pip install virtualenv ``` ### **添加文件夾** ``` mkdir yourname ``` ### * 切換文件夾** ``` cd yourname ``` ### **切換文件夾并添加APP** ``` cd yourname virtualenv app-name ``` ### **激活虛擬環境** ``` source app-name/bin/activate ``` ### **退出環境** ``` deactivate ``` ### **導出列表** ``` pip freeze > requirements.txt 另存為utf-8格式就不會報錯了 上傳到根目錄 pip install -r ~/requirements.txt ``` ### **錯誤** ``` 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 ``` ### 錯誤 ``` 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里刪除MySQL-python后，單獨安裝 ``` ### 錯誤 ``` 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)) ```