理解JWT（JSON Web Token）认证及python实践

https://segmentfault.com/a/1190000010312468
jwt_token的两个难点
问题1.用户登出
问题2.token自动延期
如何解决: https://cloud.tencent.com/developer/article/1033469

flask_restful 和flask_jwt共用
https://codeday.me/bug/20180714/195131.html
https://stackoverflow.com/questions/34217728/flask-restful-api-authorization-access-current-identity-inside-decorator