阶段2（上）：后端专题 Go/Gin/PostgreSQL/MySQL/Redis/MQ/gRPC 的课程、企业场景、面试题和可运行示例

topics/backend/grpc-microservices/examples/grpc-user/user.proto

@@ -0,0 +1,26 @@
+syntax = "proto3";
+
+package user.v1;
+
+// 用户服务：一个一元调用 + 一个服务端流
+service UserService {
+  rpc GetUser(GetUserRequest) returns (User);
+  rpc ListUsers(ListUsersRequest) returns (stream User);
+}
+
+message GetUserRequest {
+  int64 id = 1;
+}
+
+message ListUsersRequest {
+  int32 page_size = 1;
+}
+
+message User {
+  int64 id = 1;
+  string name = 2;
+  string email = 3;
+  // 字段编号一旦发布就不能修改或复用；删除字段时用 reserved
+  reserved 4;
+  reserved "phone";
+}