1. First, find a case to meet the requirements can learn --------
Framework written in Python flask with a simple version of the library management system
https://blog.csdn.net/weixin_44158247/article/details/88089030
https://blog.csdn.net/JK_LKLK/article/details/83958595 (look at this)
2. Learning flask framework
https://www.cnblogs.com/wangshuyang/p/7754188.html
pip3 install flask
First need to download the module flask
3.flask framework links mangodb
https://www.cnblogs.com/liuzhen1995/p/8107905.html
pip install flask-pymongo
Import related modules
MongoDB database binding service ip address settings (PS: If you do not perform the following set, the default native ip address 127.0.0.1):