1. 协议角色和流程
2. OAuth基本流程简介
3. OAuth授权所需要的信息
4. 授权码模式（authorization code）模式
1\] [https://www.bilibili.com/video/BV1zt41127hX/?spm_id_from=333.337.search-card.all.click\&vd_source=764fb92530f375edc0ba1c78a8773c7a](https://www.bilibili.com/video/BV1zt41127hX/?spm_id_from=333.337.search-card.all.click&vd_source=764fb92530f375edc0ba1c78a8773c7a "https://www.bilibili.com/video/BV1zt41127hX/?spm_id_from=333.337.search-card.all.click&vd_source=764fb92530f375edc0ba1c78a8773c7a")