#V1.retrieve the information of position,monthly salary,technical requirements,working location,company name,etc and input it into Excel。(7-10)

#V2.Data visualization.preliminary UML diagrams.(1-3)

#V3.filtering and search capabilities(1-3)

#V4.Expansion about searching for company-specific(1-3)

IDE:pycharm,vscode
python 3.9.1

log

because of pycharm community doesn't support sql,I will use vscode to connect mysql 2021.1.27（solved）

I will reconsitution code by scripy 2021.2.6

add flask,code cant run because of there are sth bugs