syntax = "proto3"; package api.verifyCode; option go_package = "driver/api/verifyCode;verifyCode"; service VerifyCode { rpc GetVerifyCode (GetVerifyCodeRequest) returns (GetVerifyCodeReply); } enum TYPE { DEFAULT = 0; DIGIT = 1; LETTER = 2; MIXED = 3; } // 接口请求参数结构 message GetVerifyCodeRequest { uint32 length = 1; TYPE type = 2; } // 接口返回值结构 message GetVerifyCodeReply { string code = 1; }