.net获取本机公网IP代码

using System;

using System.Net;

using System.Text.RegularExpressions;

 

namespace Keleyi.Com

{

    public class GetInternetIP

    {

        public static string GetIP()

        {

            using (var webClient = new WebClient())

            {

                try

                {

                    var temp = webClient.DownloadString("http://iframe.ip138.com/ic.asp");

                    var ip = Regex.Match(temp, @"\[(?<ip>\d+\.\d+\.\d+\.\d+)]").Groups["ip"].Value;

                    return !string.IsNullOrEmpty(ip) ? ip : null;

                }

                catch (Exception ex)

                {

                    return ex.Message;

                }

            }

        }

    }

}