golang 小例子

import (
"bytes"
"encoding/binary"
"encoding/gob"
"fmt"
)

func str_to_byte(src string) []byte {
//strSlice := []string{src}
buffer := &bytes.Buffer{}
gob.NewEncoder(buffer).Encode(src)
return buffer.Bytes()
}

func uint64_to_byte(src uint64) []byte {
buf := make([]byte,8)
binary.BigEndian.PutUint64(buf,src)
return buf
}

func main() { var u uint64 u = 128 bytes := uint64_to_byte(u) fmt.Println(bytes) str := "128" bytes = str_to_byte(str) fmt.Println(bytes) }