golang 的MessagePack编解码包的试用
主要是对于golang messagepack 包的试用
项目代码
- go.mod
module demoapp
go 1.15
require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/kr/text v0.2.0 // indirect
github.com/tinylib/msgp v1.1.5
github.com/vmihailenco/msgpack/v5 v5.1.4
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
)
- 项目结构
├── Makefile
├── README.md
├── go.mod
├── go.sum
├── main.go
└── pkg
├── person.go
- 代码说明
Makefile 使用make 进行代码生成
gen:
go generate ./pkg
go.mod
module demoapp
go 1.15
require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/kr/text v0.2.0 // indirect
github.com/tinylib/msgp v1.1.5
github.com/vmihailenco/msgpack/v5 v5.1.4
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
)
person.go 定义的person struct，同时集成了golang 的tag 能力方便进行序列化以及反序列话处理
//go:generate msgp
package pkg
// Person person for search
type Person struct {
Name string `msg:"name" msgpack:"name"`
Address string `msg:"address" msgpack:"address"`
Age int `msg:"age" msgpack:"age"`
Hidden string `msg:"-" msgpack:"_"` // this field is ignored
unexported bool // this field is also ignored
}
main.go 集成了tinylib/msgp + vmihailenco/msgpack 进行互相转换处理
package main
import (
"bytes"
"demoapp/pkg"
"log"
"github.com/tinylib/msgp/msgp"
"github.com/vmihailenco/msgpack/v5"
)
func main() {
var buf bytes.Buffer
myPerson := pkg.Person{
Name: "荣锋亮",
Address: "beijing",
Age: 33,
}
err := msgp.Encode(&buf, &myPerson)
if err != nil {
panic("encode some wrong" + err.Error())
}
var dstPerson pkg.Person
var dstPerson2 *pkg.Person = &pkg.Person{}
err = msgpack.Unmarshal(buf.Bytes(), &dstPerson)
datas, err := dstPerson2.UnmarshalMsg(buf.Bytes())
if err != nil {
panic("uncode:" + err.Error())
}
if len(datas) > 0 {
log.Panicf("%d bytes left over after UnmarshalMsg(): %q", len(datas), datas)
}
log.Println("from msgp: ", string(buf.Bytes()))
log.Printf("msgpack:%v,msgp: %v", dstPerson, *dstPerson2)
log.Println("from msgpack:", dstPerson.Name)
}
运行
- 命令
make
go run main.go
- 效果
参考资料
https://github.com/tinylib/msgp
https://github.com/vmihailenco/msgpack
https://msgpack.uptrace.dev/
https://github.com/rongfengliang/messagepack-go-learning
