- /// <summary>
- /// 获取真ip
- /// </summary>
- /// <returns></returns>
- public string GetRealIP()
- {
- string result = String.Empty;
- // result = System.Web.HttpContext.Current.Request.ServerVariables["RemoteIp"];
- result = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
- //可能有代理
- if (!string.IsNullOrWhiteSpace(result))
- {
- //没有"." 肯定是非IP格式
- if (result.IndexOf(".") == -1)
- {
- result = null;
- }
- else
- {
- //有","，估计多个代理。取第一个不是内网的IP。
- if (result.IndexOf(",") != -1)
- {
- result = result.Replace(" ", string.Empty).Replace("\"", string.Empty);
- string[] temparyip = result.Split(",;".ToCharArray());
- if (temparyip != null && temparyip.Length > 0)
- {
- for (int i = 0; i < temparyip.Length; i++)
- {
- //找到不是内网的地址
- if (IsIPAddress(temparyip[i]) && temparyip[i].Substring(0, 3) != "10." && temparyip[i].Substring(0, 7) != "192.168" && temparyip[i].Substring(0, 7) != "172.16.")
- {
- return temparyip[i];
- }
- }
- }
- }
- //代理即是IP格式
- else if (IsIPAddress(result))
- {
- return result;
- }
- //代理中的内容非IP
- else
- {
- result = null;
- }
- }
- }
- if (string.IsNullOrWhiteSpace(result))
- {
- result = System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
- }
- if (string.IsNullOrWhiteSpace(result))
- {
- result = System.Web.HttpContext.Current.Request.UserHostAddress;
- }
- return result;
- }
- public bool IsIPAddress(string str)
- {
- if (string.IsNullOrWhiteSpace(str) || str.Length < 7 || str.Length > 15)
- return false;
- string regformat = @"^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}";
- //var match = Regex.Match(str, @"^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})");
- Regex regex = new Regex(regformat, RegexOptions.IgnoreCase);
- return regex.IsMatch(str);
- }
时间： 2024-10-06 00:43:26