.net得到ip(引)

1、HttpContext.Current.Request.UserHostAddress;

2、HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];

3、string strHostName = System.Net.Dns.GetHostName();

string clientIPAddress = System.Net.Dns.GetHostAddresses(strHostName).GetValue(0).ToString();

4、HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];

5、private string GetClientIP()

  {

   string result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];

   if (null == result || result == String.Empty)

   {

    result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];

   }

    result = HttpContext.Current.Request.UserHostAddress;

   return result;

  }

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