syntax = "proto3"; package pb; option java_package = "pb.xiugou.x1.protobuf"; option csharp_namespace = "pb.xiugou.x1.protobuf"; /** * 用于封装"消息"的包装结构 */ message MessageWrapper { int32 id = 1; //消息ID int32 proto_id = 2; //协议号ID bytes data = 3; //数据 }