springsecurity+oauth2實現demo

https://www.cnblogs.com/hellxz/p/oauth2_oauthcode_pattern.html     四種模式最簡單樣例

https://www.cnblogs.com/tqlin/p/11358470.html    

https://www.jianshu.com/p/90c8c75e3aad      oauth2模式圖解

https://blog.csdn.net/m0_46945278/article/details/106143375       權限管理數據庫表結構設計