編譯安裝編譯器protoc
wget https://github.com/protocolbuffers/protobuf/releases/download/v2.6.1/protobuf-2.6.1.zip
unzip protobuf-2.6.1.zip
cd protobuf-2.6.1
./configure CC=clang CXX=clang++ CXXFLAGS='-std=c++11 -stdlib=libc++ -O3 -g' LDFLAGS='-stdlib=libc++' LIBS="-lc++ -lc++abi"
make -j 4
sudo make install
protoc --version
安裝插件
go get -u github.com/golang/protobuf/protoc-gen-go
定義消息類型
// student.proto
syntax = "proto3";
package main;
// this is a comment
message Student {
string name = 1;
bool male = 2;
repeated int32 scores = 3;
}
在當(dāng)前目錄下執(zhí)行：
protoc --go_out=. *.proto
ls
# student.pb.go student.proto
protoc 生成的代碼：
// student.pb.go
package proto
import (
proto "github.com/golang/protobuf/proto"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
// this is a comment
type Student struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
Male bool `protobuf:"varint,2,opt,name=male,proto3" json:"male,omitempty"`
Scores []int32 `protobuf:"varint,3,rep,packed,name=scores,proto3" json:"scores,omitempty"`
}
func (x *Student) Reset() {
*x = Student{}
if protoimpl.UnsafeEnabled {
mi := &file_student_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Student) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Student) ProtoMessage() {}
func (x *Student) ProtoReflect() protoreflect.Message {
mi := &file_student_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Student.ProtoReflect.Descriptor instead.
func (*Student) Descriptor() ([]byte, []int) {
return file_student_proto_rawDescGZIP(), []int{0}
}
func (x *Student) GetName() string {
if x != nil {
return x.Name
}
return ""
}
func (x *Student) GetMale() bool {
if x != nil {
return x.Male
}
return false
}
func (x *Student) GetScores() []int32 {
if x != nil {
return x.Scores
}
return nil
}
var File_student_proto protoreflect.FileDescriptor
var file_student_proto_rawDesc = []byte{
0x0a, 0x0d, 0x73, 0x74, 0x75, 0x64, 0x65, 0x6e, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
0x04, 0x6d, 0x61, 0x69, 0x6e, 0x22, 0x49, 0x0a, 0x07, 0x53, 0x74, 0x75, 0x64, 0x65, 0x6e, 0x74,
0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
0x6e, 0x61, 0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x61, 0x6c, 0x65, 0x18, 0x02, 0x20, 0x01,
0x28, 0x08, 0x52, 0x04, 0x6d, 0x61, 0x6c, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x73, 0x63, 0x6f, 0x72,
0x65, 0x73, 0x18, 0x03, 0x20, 0x03, 0x28, 0x05, 0x52, 0x06, 0x73, 0x63, 0x6f, 0x72, 0x65, 0x73,
0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_student_proto_rawDescOnce sync.Once
file_student_proto_rawDescData = file_student_proto_rawDesc
)
func file_student_proto_rawDescGZIP() []byte {
file_student_proto_rawDescOnce.Do(func() {
file_student_proto_rawDescData = protoimpl.X.CompressGZIP(file_student_proto_rawDescData)
})
return file_student_proto_rawDescData
}
var file_student_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_student_proto_goTypes = []interface{}{
(*Student)(nil), // 0: main.Student
}
var file_student_proto_depIdxs = []int32{
0, // [0:0] is the sub-list for method output_type
0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_student_proto_init() }
func file_student_proto_init() {
if File_student_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_student_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Student); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_student_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_student_proto_goTypes,
DependencyIndexes: file_student_proto_depIdxs,
MessageInfos: file_student_proto_msgTypes,
}.Build()
File_student_proto = out.File
file_student_proto_rawDesc = nil
file_student_proto_goTypes = nil
file_student_proto_depIdxs = nil
}
參考：
https://gist.github.com/liushooter/44bd8e2f6f277f2631841787aafe3d9d
https://geektutu.com/post/quick-go-protobuf.html
https://colobu.com/2019/10/03/protobuf-ultimate-tutorial-in-go/
https://www.cnblogs.com/sanshengshui/p/9739521.html
http://yura415.github.io/js-protobuf-encode-decode/
