在下载包时,应该注意包的名称,如果输入错误的包名称时,会有提示 有网站:https://pypi.org/ pip3 install Flask-SQLAlchemy pip install Flask-Bootstrap pip install Flask-Login pip install flask-mongoengine
set http_proxy=http://109.105.113.200:8080 set https_proxy=http://109.105.113.200:8080 最后pycharm中file-setting-project-project interpret-+