/// <summary>

      /// 通过IP得到IP所在地省市（Porschev）

      /// </summary>

      /// <param name="ip"></param>

      /// <returns></returns>

      public string GetAdrByIp(string ip)

      {

          string url = "http://www.cz88.net/ip/?ip=" + ip;

          string regStr = "(?<=<span\\s*id=\\\"cz_addr\\\">).*?(?=</span>)";

          //得到网页源码

          string html = GetHtml(url);

          Regex reg = new Regex(regStr, RegexOptions.None);

          Match ma = reg.Match(html);

          html = ma.Value;

          string[] arr = html.Split(' ');

          return arr[];

      }

      /// <summary>

      /// 获取HTML源码信息(Porschev)

      /// </summary>

      /// <param name="url">获取地址</param>

      /// <returns>HTML源码</returns>

      public string GetHtml(string url)

      {

          string str = "";

          try

          {

              Uri uri = new Uri(url);

              WebRequest wr = WebRequest.Create(uri);

              Stream s = wr.GetResponse().GetResponseStream();

              StreamReader sr = new StreamReader(s, Encoding.Default);

              str = sr.ReadToEnd();

          }

          catch (Exception e)

          {

          }

          return str;

      }

      /// <summary>

      /// 得到真实IP以及所在地详细信息（Porschev）

      /// </summary>

      /// <returns></returns>

      public string GetIpDetails()

      {

          //设置获取IP地址和国家源码的网址

          string url = "http://www.ip138.com/ips8.asp";

          string regStr = "(?<=<td\\s*align=\\\"center\\\">)[^<]*?(?=<br/><br/></td>)";

          //IP正则

          string ipRegStr = "((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)";

          //IP地址

          string ip = string.Empty;

          //国家

          string country = string.Empty;

          //省市

          string adr = string.Empty;

          //得到网页源码

          string html = GetHtml(url);

          Regex reg = new Regex(regStr, RegexOptions.None);

          Match ma = reg.Match(html); html = ma.Value;

          Regex ipReg = new Regex(ipRegStr, RegexOptions.None);

          ma = ipReg.Match(html);

          //得到IP

          ip = ma.Value;

          int index = html.LastIndexOf("：") + ;

          //得到国家

          country = html.Substring(index);

          adr = GetAdrByIp(ip);

          return "IP：" + ip + " 国家：" + country + " 省市：" + adr;

      }