SpringMVCDemo SpringMVC框架demo，配合Android端OkHttp3Demo实现网络通讯。

博客地址：

OkHttp3入门介绍

https://www.jianshu.com/p/af144d662bfd
https://blog.csdn.net/u012527802/article/details/81013772
https://juejin.im/post/5b46a8625188251af53dcb8d

OkHttp3入门介绍之Cookie持久化

https://www.jianshu.com/p/23b35d403148
https://blog.csdn.net/u012527802/article/details/81220301
https://juejin.im/post/5b596f315188251aef4e683c

Android端OkHttp3Demo

https://github.com/linzhiyong/OkHttp3Demo