using System;
using System.Collections;
using System.Collections.Generic;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using UnityEngine;

public class GeIP
{
    public enum address
    {
        IPv4, IPv6
    }
     /// <summary>
     /// 获取本机IP
     /// </summary>
     /// <param name="Addfam">要获取的IP类型</param>
     /// <returns></returns>
     public static string IP(address fam)
     {
         if (fam== address .IPv6 && !Socket.OSSupportsIPv6)
         {
             return null;
         }
         string output = "";
        foreach (NetworkInterface item in NetworkInterface.GetAllNetworkInterfaces())
        {
             NetworkInterfaceType _type1 = NetworkInterfaceType.Wireless80211;
             NetworkInterfaceType _type2 = NetworkInterfaceType.Ethernet;
 
             if ((item.NetworkInterfaceType == _type1 || item.NetworkInterfaceType == _type2) && item.OperationalStatus == OperationalStatus.Up)
             {
                 foreach (UnicastIPAddressInformation ip in item.GetIPProperties().UnicastAddresses)
                 {
                     if (fam== address.IPv4)
                     {
                         if (ip.Address.AddressFamily == AddressFamily.InterNetwork)
                         {
                             output = ip.Address.ToString();
                         }
                     }
                     else if (fam== address.IPv6)
                     {
                         if (ip.Address.AddressFamily == AddressFamily.InterNetworkV6)
                         {
                             output = ip.Address.ToString();
                         }
                     }
                 }
             }
        }
         return output;
     }
}

调用

using static GeIP;
public class Ip : MonoBehaviour
{
    private string infoText;
    void Start()
    {
        infoText = GeIP.IP(address.IPv4);
    }
    private void EndValue(string value)
    {
        InputText = value; //捕捉数据，方便后续操作
        Debug.Log("IP内容" + value);
    }
}