golang工具代码持续汇总

// int64 转字节数组
func IntToHex(num int64) []byte {
    buf := new(bytes.Buffer)
    err := binary.Write(buf, binary.BigEndian, num)
    if err != nil {
        log.Panic(err)
    }

    return buf.Bytes()
}

// 时间戳  转为 []byte
timeString := strconv.FormatInt(time.Now().Unix(), 2)
timeBytes := []byte(timeString)