oauth2 练习 authorization-server 基于原生 ram基于内存 db-authorization-baseserver 基于自定义权限角色在authorization-server基础上
http://localhost:8080/oauth/authorize?client_id=clientId&response_type=code username:admin pwd:1234
点击approve 授权完成后,重定向到指定页面并返回授权码code=XXX
postMan http://localhost:8080/oauth/token POST
refresh_token:65af23e5-ec37-4ecd-8f0f-ea331a7b0835 grant_type:refresh_token