转自：http://www.cnblogs.com/weixing/p/5674078.html
References required:
HttpContextWrapper- System.Web.dllRemoteEndpointMessageProperty- System.ServiceModel.dllOwinContext- Microsoft.Owin.dll (you will have it already if you use Owin package)
using System.Net.Http;public static class HttpRequestMessageExtensions{ private const string HttpContext = "MS_HttpContext"; private const string RemoteEndpointMessage = "System.ServiceModel.Channels.RemoteEndpointMessageProperty"; private const string OwinContext = "MS_OwinContext"; public static string GetClientIpAddress(this HttpRequestMessage request) { // Web-hosting. Needs reference to System.Web.dll if (request.Properties.ContainsKey(HttpContext)) { dynamic ctx = request.Properties[HttpContext]; if (ctx != null) { return ctx.Request.UserHostAddress; } } // Self-hosting. Needs reference to System.ServiceModel.dll. if (request.Properties.ContainsKey(RemoteEndpointMessage)) { dynamic remoteEndpoint = request.Properties[RemoteEndpointMessage]; if (remoteEndpoint != null) { return remoteEndpoint.Address; } } // Self-hosting using Owin. Needs reference to Microsoft.Owin.dll. if (request.Properties.ContainsKey(OwinContext)) { dynamic owinContext = request.Properties[OwinContext]; if (owinContext != null) { return owinContext.Request.RemoteIpAddress; } } return null; }} |
第二种：
((System.Web.HttpContextWrapper)Request.Properties["MS_HttpContext"]).Request.UserHostAddress;
public class CheckIP
{
#region 获取浏览器版本号
/// <summary>
/// 获取浏览器版本号
/// </summary>
/// <returns></returns>
public static string GetBrowser()
{
HttpBrowserCapabilities bc = HttpContext.Current.Request.Browser;
return bc.Browser + bc.Version;
}
#endregion
#region 获取操作系统版本号
/// <summary>
/// 获取操作系统版本号
/// </summary>
/// <returns></returns>
public static string GetOSVersion()
{
//UserAgent
var userAgent = HttpContext.Current.Request.ServerVariables["HTTP_USER_AGENT"];
var osVersion = "未知";
if (userAgent.Contains("NT 6.1"))
{
osVersion = "Windows 7";
}
else if (userAgent.Contains("NT 6.0"))
{
osVersion = "Windows Vista/Server 2008";
}
else if (userAgent.Contains("NT 5.2"))
{
osVersion = "Windows Server 2003";
}
else if (userAgent.Contains("NT 5.1"))
{
osVersion = "Windows XP";
}
else if (userAgent.Contains("NT 5"))
{
osVersion = "Windows 2000";
}
else if (userAgent.Contains("NT 4"))
{
osVersion = "Windows NT4";
}
else if (userAgent.Contains("Me"))
{
osVersion = "Windows Me";
}
else if (userAgent.Contains("98"))
{
osVersion = "Windows 98";
}
else if (userAgent.Contains("95"))
{
osVersion = "Windows 95";
}
else if (userAgent.Contains("Mac"))
{
osVersion = "Mac";
}
else if (userAgent.Contains("Unix"))
{
osVersion = "UNIX";
}
else if (userAgent.Contains("Linux"))
{
osVersion = "Linux";
}
else if (userAgent.Contains("SunOS"))
{
osVersion = "SunOS";
}
return osVersion;
}
#endregion
#region 获取客户端IP地址
/// <summary>
/// 获取客户端IP地址
/// </summary>
/// <returns></returns>
public static string GetIP()
{
string result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
{
result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
if (string.IsNullOrEmpty(result))
{
result = HttpContext.Current.Request.UserHostAddress;
}
if (string.IsNullOrEmpty(result))
{
return "0.0.0.0";
}
return result;
}
#endregion
#region 取客户端真实IP
/// <summary>
/// 取得客户端真实IP。如果有代理则取第一个非内网地址
/// </summary>
public static string GetIPAddress
{
get
{
var result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (!string.IsNullOrEmpty(result))
{
//可能有代理
if (result.IndexOf(".") == -1) //没有“.”肯定是非IPv4格式
result = null;
else
{
if (result.IndexOf(",") != -1)
{
//有“,”，估计多个代理。取第一个不是内网的IP。
result = result.Replace(" ", "").Replace("‘", "");
string[] temparyip = result.Split(",;".ToCharArray());
for (int i = 0; i < temparyip.Length; i++)
{
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]; //找到不是内网的地址
}
}
}
else if (IsIPAddress(result)) //代理即是IP格式
return result;
else
result = null; //代理中的内容 非IP，取IP
}
}
string IpAddress = (HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != null && HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != String.Empty) ? HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] : HttpContext.Current.Request.ServerVariables["HTTP_X_REAL_IP"];
if (string.IsNullOrEmpty(result))
result = HttpContext.Current.Request.ServerVariables["HTTP_X_REAL_IP"];
if (string.IsNullOrEmpty(result))
result = HttpContext.Current.Request.UserHostAddress;
return result;
}
}
#endregion
#region 判断是否是IP格式
/// <summary>
/// 判断是否是IP地址格式 0.0.0.0
/// </summary>
/// <param name="str1">待判断的IP地址</param>
/// <returns>true or false</returns>
public static bool IsIPAddress(string str1)
{
if (string.IsNullOrEmpty(str1) || str1.Length < 7 || str1.Length > 15) return false;
const string regFormat = @"^d{1,3}[.]d{1,3}[.]d{1,3}[.]d{1,3}$";
var regex = new Regex(regFormat, RegexOptions.IgnoreCase);
return regex.IsMatch(str1);
}
#endregion
#region 获取公网IP
/// <summary>
/// 获取公网IP
/// </summary>
/// <returns></returns>
public static string GetNetIP()
{
string tempIP = "";
try
{
System.Net.WebRequest wr = System.Net.WebRequest.Create("http://city.ip138.com/ip2city.asp");
System.IO.Stream s = wr.GetResponse().GetResponseStream();
System.IO.StreamReader sr = new System.IO.StreamReader(s, System.Text.Encoding.GetEncoding("gb2312"));
string all = sr.ReadToEnd(); //读取网站的数据
int start = all.IndexOf("[") + 1;
int end = all.IndexOf("]", start);
tempIP = all.Substring(start, end - start);
sr.Close();
s.Close();
}
catch
{
if (System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList.Length > 1)
tempIP = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList[1].ToString();
if (string.IsNullOrEmpty(tempIP))
return GetIP();
}
return tempIP;
}
#endregion
asp.net 获取客户端浏览器，ip地址，操作系统信息
/// <summary>
/// 获取客户端IP地址（无视代理）
/// </summary>
/// <returns>若失败则返回回送地址</returns>
public static string GetHostAddress()
{
string userHostAddress = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
if (string.IsNullOrEmpty(userHostAddress))
{
if (System.Web.HttpContext.Current.Request.ServerVariables["HTTP_VIA"] != null)
userHostAddress = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString().Split(‘,‘)[0].Trim();
}
if (string.IsNullOrEmpty(userHostAddress))
{
userHostAddress = HttpContext.Current.Request.UserHostAddress;
}
//最后判断获取是否成功，并检查IP地址的格式（检查其格式非常重要）
if (!string.IsNullOrEmpty(userHostAddress) && IsIP(userHostAddress))
{
return userHostAddress;
}
return "127.0.0.1";
}
/// <summary>
/// 检查IP地址格式
/// </summary>
/// <param name="ip"></param>
/// <returns></returns>
public static bool IsIP(string ip)
{
return System.Text.RegularExpressions.Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
}