django: ModuleNotFoundError: No module named '****'

一、ModuleNotFoundError: No module named'corsheaders'（python3环境）

pip3 install django-cors-headers

二、ModuleNotFoundError: No module named'rest_framework'

pip3 install djangorestframework

三、ModuleNotFoundError: No module named'oss2'

pip3 install oss2

四、ModuleNotFoundError: No module named'rest_framework_jwt'

pip3 install djangorestframework-jwt

五、ModuleNotFoundError: No module named'PIL'

pip3 install pillow

若显示已安装，先卸载再安装即可。pip uninstall pillow

六、ModuleNotFoundError: No module named'alipay'

pip3 install python-alipay-sdk --upgrade

七、ModuleNotFoundError: No module named'bs4'

 pip3 install beautifulsoup4

八、ModuleNotFoundError: No module named 'qrcode'

pip版本过低，需要升级，按照提示信息内容，执行cmd命令 
python -m pip install --upgrade pip
pip3 install prcode

参考资料：

https://stackoverflow.com/questions/52585200/trouble-with-django-cors-header-modulenotfounderror-no-module-named-corshead

https://stackoverflow.com/questions/33308781/django-rest-framework-no-module-named-rest-framework

https://yq.aliyun.com/articles/667565