Syntax = "proto2";
package message;
message Orders {
required int32 order_id=1;
required string title=2;
}

mkdir $GOPATH/src/message;protoc --go_out $GOPATH/src/message orders.proto 

package main

import message

import github.com/golang/protobuf/protofmt

func main() {
    orders := &message.Orders{
        OrderId: proto.Int32(),Title:   proto.String(第一个订单//序列化成二进制数据
    ordersBytes,_ := proto.Marshal(orders)
    反序列化二进制数据
    twoOrders := &message.Orders{}
    proto.Unmarshal(ordersBytes,twoOrders)
    fmt.Println(twoOrders.GetTitle())
    .Println(twoOrders.GetOrderId())

}