1 基于token的验证
https://www.cnblogs.com/chenwolong/p/Token.html
http://www.cnblogs.com/selimsong/p/8037717.html
https://www.cnblogs.com/raohuagang/p/4019887.html
https://www.cnblogs.com/icebutterfly/p/8066548.html
2 具体的jwt使用
https://www.imooc.com/article/39781
http://www.cnblogs.com/chenwolong/p/Token.html
3 第三方登陆的实现,使用微信,qq
https://www.jianshu.com/p/133d84042483
4 微软官方webapi2.0文档
5 微软entityframework6文档
https://docs.microsoft.com/zh-cn/ef/ef6/querying/related-data#explicit