package utils import ( "errors" "net" ) var ServerIP = "" func GetLocalIP() (string, error) { addrs, err := net.InterfaceAddrs() if err != nil { return "", err } for _, address := range addrs { if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() { if ipnet.IP.To4() != nil { return ipnet.IP.String(), nil } } } return "", errors.New("no ip") }