1、参考资料
(1)grpc-java官网QuickStart: https://grpc.io/docs/quickstart/java.html
(2)grpc-java的github: https://github.com/grpc/grpc-java
(3)grpc-java的tutorial: https://grpc.io/docs/tutorials/basic/java.html
(4)Protocol Buffers:https://developers.google.com/protocol-buffers/
2、