https://www.jianshu.com/p/a41a8f09b811
https://springcloud.cc/spring-security-zhcn.html
https://spring.io/guides/topicals/spring-security-architecture/
https://blog.csdn.net/qq_32734365/article/details/81413248
Spring Security 源码分析十：认证跳转逻辑 (login redirect)
https://www.shangyang.me/2019/03/28/spring-security-sca-10-login-redirect/