msgpack

msgpack与json类似，只不过，保存的2进制文件，相比json来说，数据更小
用法与json一致，通常与redis一起使用
文档：https://godoc.org/github.com/vmihailenco/msgpack

func Marshal(v interface{}) ([]byte, error)
func Unmarshal(data []byte, v interface{}) error

type Marshaler

type Marshaler interface {
    MarshalMsgpack() ([]byte, error)
}

type Unmarshaler

type Unmarshaler interface {
    UnmarshalMsgpack([]byte) error
}

type Decoder

从输入流解码对象

type Decoder struct {
    // contains filtered or unexported fields
}

func NewDecoder(r io.Reader) Decoder
func (dec Decoder) Decode(v interface{}) error

type Encoder

将对象写入输出流

type Encoder struct {
    // contains filtered or unexported fields
}

func NewEncoder(w io.Writer) Encoder
func (enc Encoder) Encode(v interface{}) error

import (
    "fmt"
    json "github.com/vmihailenco/msgpack"
)
type ConfigStruct struct {
    Host              string   `json:"host"`
    Port              int      `json:"port"`
}
func main() {
    var con =ConfigStruct{"127.0.0.1",8080}
    //struct 到json str
    b, err := json.Marshal(con);
    if err != nil{
        return
    }
    fmt.Println(string(b))
    //json str 转struct
    var config ConfigStruct
    if err := json.Unmarshal([]byte(b), &config); err == nil {
        fmt.Println(config)//{http://localhost:9090 9090}
        fmt.Println(config.Host)//http://localhost:9090
    }
}
��Host�127.0.0.1�Port�      �
{127.0.0.1 8080}
127.0.0.1