Android OkHttp常用详解   https://www.jianshu.com/p/aaa87e8ad9eb

Android OKHttp使用详解 https://www.jianshu.com/p/2663ce3da0db

Android OkHttp3的详细使用    https://www.jianshu.com/p/f4dd43e9d297

OKHTTP3的简单使用，表单提交，json传递  https://blog.csdn.net/knight1996/article/details/77995547

Android高版本联网失败报错:Cleartext HTTP traffic to xxx not permitted解决方法   https://blog.csdn.net/gengkui9897/article/details/82863966

okhttp 同步请求和异步请求   https://blog.csdn.net/renjianhhong/article/details/68936959