upnp-go-demo.go

package main

import (
	"github.com/kamhlos/upnp"
	"fmt"
)

func main() {
	upnp := new(upnp.Upnp)
	err := upnp.ExternalIPAddr()
	if err != nil {
		fmt.Println(err.Error())
	} else {
		fmt.Println("Local IP Address：", upnp.LocalHost)
		fmt.Println("UPNP Device IP Address:", upnp.Gateway.Host)
	}
}