Python Flask Virtual Environment Installation

1, installation Virtualenv

2. Create a folder under the current path and start the virtual environment

3, before using the virtual environment to activate, before the appearance (env instructions in the virtual environment). PIP is installed by default in the virtual environment, so direct PIP installation flask

4, create the PY file test under the virtual path, deactivate exit the virtual environment

#!/usr/bin/env pythonfrom flask Import Flaskapp = Flask (__name__) @app. Route ('/') def hello_flask (): Return "Hello flask" if __name__ = = ' __main__ ': App.run ()

5, Pycharm inside the support

Python Flask Virtual Environment Installation