获取客户端IP和归属地(亲测可用)

1：新建一个Net.cs类

/// <summary>
    /// 网络操作
    /// </summary>
    public class Net
    {
        #region Ip(获取Ip)
        /// <summary>
        /// 获取Ip
        /// </summary>
        public static string Ip
        {
            get
            {
                var result = string.Empty;
                if (HttpContext.Current != null)
                    result = GetWebClientIp();
                if (string.IsNullOrEmpty(result))
                    result = GetLanIp();
                return result;
            }
        }

        /// <summary>
        /// ===调用方法===
        /// 直接调用此方法可获取IP
        /// </summary>
        public static string GetIP
        {
            get
            {
                string Ip = Net.Ip;
                string Location = Net.GetLocation(Net.Ip);
                return string.Format("IP:{0}; {1};", Ip, Location);
            }
        }

        /// <summary>
        /// 获取Web客户端的Ip
        /// </summary>
        private static string GetWebClientIp()
        {
            var ip = GetWebRemoteIp();
            foreach (var hostAddress in Dns.GetHostAddresses(ip))
            {
                if (hostAddress.AddressFamily == AddressFamily.InterNetwork)
                    return hostAddress.ToString();
            }
            return string.Empty;
        }

        /// <summary>
        /// 获取Web远程Ip
        /// </summary>
        private static string GetWebRemoteIp()
        {
            return HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] ?? HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
        }

        /// <summary>
        /// 获取局域网IP
        /// </summary>
        private static string GetLanIp()
        {
            foreach (var hostAddress in Dns.GetHostAddresses(Dns.GetHostName()))
            {
                if (hostAddress.AddressFamily == AddressFamily.InterNetwork)
                    return hostAddress.ToString();
            }
            return string.Empty;
        }

        #endregion

        #region Host(获取主机名)

        /// <summary>
        /// 获取主机名
        /// </summary>
        public static string Host
        {
            get
            {
                return HttpContext.Current == null ? Dns.GetHostName() : GetWebClientHostName();
            }
        }

        /// <summary>
        /// 获取Web客户端主机名
        /// </summary>
        private static string GetWebClientHostName()
        {
            if (!HttpContext.Current.Request.IsLocal)
                return string.Empty;
            var ip = GetWebRemoteIp();
            var result = Dns.GetHostEntry(IPAddress.Parse(ip)).HostName;
            if (result == "localhost.localdomain")
                result = Dns.GetHostName();
            return result;
        }

        #endregion

        #region 获取mac地址
        /// <summary>
        /// 返回描述本地计算机上的网络接口的对象(网络接口也称为网络适配器)。
        /// </summary>
        /// <returns></returns>
        public static NetworkInterface[] NetCardInfo()
        {
            return NetworkInterface.GetAllNetworkInterfaces();
        }
        ///<summary>
        /// 通过NetworkInterface读取网卡Mac
        ///</summary>
        ///<returns></returns>
        public static List<string> GetMacByNetworkInterface()
        {
            List<string> macs = new List<string>();
            NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();
            foreach (NetworkInterface ni in interfaces)
            {
                macs.Add(ni.GetPhysicalAddress().ToString());
            }
            return macs;
        }
        #endregion

        #region Ip城市(获取Ip城市)
        /// <summary>
        /// 获取IP地址信息
        /// </summary>
        /// <param name="ip">ip地址</param>
        /// <param name="AppKey">配置文件中的AppKey</param>
        /// 查阅了很多资料，都是通过第三方获取的ip信息
        /// 这里提供两个平台
        /// 1：聚合数据（免费）
        /// 2：百度
        /// <returns></returns>
        public static string GetLocation(string ip)
        {
            string res = "";
            //try
            //{
            //    string AppKey = Configs.GetValue("IpAppKey");//获取配置文件中的AppKey值
            //    string url = string.Format("http://apis.juhe.cn/ip/ip2addr?ip={0}&dtype=json&key={1}", ip, AppKey);
            //    res = HttpMethods.HttpGet(url);
            //    var resjson = res.ToObject<objex>();
            //    res = resjson.result.area + " " + resjson.result.location;
            //}
            //catch
            //{
            //    res = "";
            //}
            //if (!string.IsNullOrEmpty(res))
            //{
            //    return res;
            //}
            try
            {
                string url = "https://sp0.baidu.com/8aQDcjqpAAV3otqbppnN2DJv/api.php?query=" + ip + "&resource_id=6006&ie=utf8&oe=gbk&format=json";
                res = HttpMethods.HttpGet(url, Encoding.GetEncoding("GBK"));
                var resjson = JsonConvert.DeserializeObject<obj>(res);
                res = resjson.data[0].location;
            }
            catch
            {
                res = "err";
            }
            return res;
        }
        
        /// <summary>
        /// 百度接口
        /// </summary>
        public class obj
        {
            public List<dataone> data { get; set; }
        }
        public class dataone
        {
            public string location { get; set; }
        }
        /// <summary>
        /// 聚合数据
        /// </summary>
        public class objex
        {
            public string resultcode { get; set; }
            public dataoneex result { get; set; }
            public string reason { get; set; }
            public string error_code { get; set; }
        }
        public class dataoneex
        {
            public string area { get; set; }
            public string location { get; set; }
        }
        #endregion

        #region Browser(获取浏览器信息)
        /// <summary>
        /// 获取浏览器信息
        /// </summary>
        public static string Browser
        {
            get
            {
                if (HttpContext.Current == null)
                    return string.Empty;
                var browser = HttpContext.Current.Request.Browser;
                return string.Format("{0} {1}", browser.Browser, browser.Version);
            }
        }
        #endregion
    }

2：添加类，上面出现的HttpMethods.cs类

public class HttpMethods
    {
        #region POST
        /// <summary>
        /// HTTP POST方式请求数据
        /// </summary>
        /// <param name="url">URL.</param>
        /// <param name="param">POST的数据</param>
        /// <returns></returns>
        public static string HttpPost(string url, string param = null)
        {
            HttpWebRequest request;

            //如果是发送HTTPS请求  
            if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
            {
                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                request = WebRequest.Create(url) as HttpWebRequest;
                request.ProtocolVersion = HttpVersion.Version10;
            }
            else
            {
                request = WebRequest.Create(url) as HttpWebRequest;
            }

            request.Method = "POST";
            request.ContentType = "application/x-www-form-urlencoded";
            request.Accept = "*/*";
            request.Timeout = 15000;
            request.AllowAutoRedirect = false;



            StreamWriter requestStream = null;
            WebResponse response = null;
            string responseStr = null;

            try
            {
                requestStream = new StreamWriter(request.GetRequestStream());
                requestStream.Write(param);
                requestStream.Close();

                response = request.GetResponse();
                if (response != null)
                {
                    StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                    responseStr = reader.ReadToEnd();
                    reader.Close();
                }
            }
            catch (Exception)
            {
                throw;
            }
            finally
            {
                request = null;
                requestStream = null;
                response = null;
            }

            return responseStr;
        }

        private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
        {
            return true; //总是接受  
        }
        public static string BuildRequest(string strUrl, Dictionary<string, string> dicPara, string fileName)
        {
            string contentType = "image/jpeg";
            //待请求参数数组
            FileStream Pic = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
            byte[] PicByte = new byte[Pic.Length];
            Pic.Read(PicByte, 0, PicByte.Length);
            int lengthFile = PicByte.Length;

            //构造请求地址

            //设置HttpWebRequest基本信息
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(strUrl);
            //设置请求方式：get、post
            request.Method = "POST";
            //设置boundaryValue
            string boundaryValue = DateTime.Now.Ticks.ToString("x");
            string boundary = "--" + boundaryValue;
            request.ContentType = "
multipart/form-data; boundary=" + boundaryValue;
            //设置KeepAlive
            request.KeepAlive = true;
            //设置请求数据，拼接成字符串
            StringBuilder sbHtml = new StringBuilder();
            foreach (KeyValuePair<string, string> key in dicPara)
            {
                sbHtml.Append(boundary + "
Content-Disposition: form-data; name="" + key.Key + ""

" + key.Value + "
");
            }
            sbHtml.Append(boundary + "
Content-Disposition: form-data; name="pic"; filename="");
            sbHtml.Append(fileName);
            sbHtml.Append(""
Content-Type: " + contentType + "

");
            string postHeader = sbHtml.ToString();
            //将请求数据字符串类型根据编码格式转换成字节流
            Encoding code = Encoding.GetEncoding("UTF-8");
            byte[] postHeaderBytes = code.GetBytes(postHeader);
            byte[] boundayBytes = Encoding.ASCII.GetBytes("
" + boundary + "--
");
            //设置长度
            long length = postHeaderBytes.Length + lengthFile + boundayBytes.Length;
            request.ContentLength = length;

            //请求远程HTTP
            Stream requestStream = request.GetRequestStream();
            Stream myStream = null;
            try
            {
                //发送数据请求服务器
                requestStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
                requestStream.Write(PicByte, 0, lengthFile);
                requestStream.Write(boundayBytes, 0, boundayBytes.Length);
                HttpWebResponse HttpWResp = (HttpWebResponse)request.GetResponse();
                myStream = HttpWResp.GetResponseStream();
            }
            catch (WebException e)
            {
                //LogResult(e.Message);
                return "";
            }
            finally
            {
                if (requestStream != null)
                {
                    requestStream.Close();
                }
            }

            //读取处理结果
            StreamReader reader = new StreamReader(myStream, code);
            StringBuilder responseData = new StringBuilder();

            String line;
            while ((line = reader.ReadLine()) != null)
            {
                responseData.Append(line);
            }
            myStream.Close();
            Pic.Close();

            return responseData.ToString();
        }
        #endregion

        #region Put
        /// <summary>
        /// HTTP Put方式请求数据.
        /// </summary>
        /// <param name="url">URL.</param>
        /// <returns></returns>
        public static string HttpPut(string url, string param = null)
        {
            HttpWebRequest request;

            //如果是发送HTTPS请求  
            if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
            {
                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                request = WebRequest.Create(url) as HttpWebRequest;
                request.ProtocolVersion = HttpVersion.Version10;
            }
            else
            {
                request = WebRequest.Create(url) as HttpWebRequest;
            }
            request.Method = "PUT";
            request.ContentType = "application/x-www-form-urlencoded";
            request.Accept = "*/*";
            request.Timeout = 15000;
            request.AllowAutoRedirect = false;

            StreamWriter requestStream = null;
            WebResponse response = null;
            string responseStr = null;

            try
            {
                requestStream = new StreamWriter(request.GetRequestStream());
                requestStream.Write(param);
                requestStream.Close();

                response = request.GetResponse();
                if (response != null)
                {
                    StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                    responseStr = reader.ReadToEnd();
                    reader.Close();
                }
            }
            catch (Exception)
            {
                throw;
            }
            finally
            {
                request = null;
                requestStream = null;
                response = null;
            }

            return responseStr;
        }
        #endregion

        #region Delete
        /// <summary>
        /// HTTP Delete方式请求数据.
        /// </summary>
        /// <param name="url">URL.</param>
        /// <returns></returns>
        public static string HttpDelete(string url, string param = null)
        {
            HttpWebRequest request;

            //如果是发送HTTPS请求  
            if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
            {
                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                request = WebRequest.Create(url) as HttpWebRequest;
                request.ProtocolVersion = HttpVersion.Version10;
            }
            else
            {
                request = WebRequest.Create(url) as HttpWebRequest;
            }
            request.Method = "Delete";
            request.ContentType = "application/x-www-form-urlencoded";
            request.Accept = "*/*";
            request.Timeout = 15000;
            request.AllowAutoRedirect = false;

            StreamWriter requestStream = null;
            WebResponse response = null;
            string responseStr = null;

            try
            {
                requestStream = new StreamWriter(request.GetRequestStream());
                requestStream.Write(param);
                requestStream.Close();

                response = request.GetResponse();
                if (response != null)
                {
                    StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                    responseStr = reader.ReadToEnd();
                    reader.Close();
                }
            }
            catch (Exception)
            {
                throw;
            }
            return responseStr;
        }
        #endregion

        #region Get
        /// <summary>
        /// HTTP GET方式请求数据.
        /// </summary>
        /// <param name="url">URL.</param>
        /// <returns></returns>
        public static string HttpGet(string url, Hashtable headht = null)
        {
            HttpWebRequest request;

            //如果是发送HTTPS请求  
            if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
            {
                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                request = WebRequest.Create(url) as HttpWebRequest;
                request.ProtocolVersion = HttpVersion.Version10;
            }
            else
            {
                request = WebRequest.Create(url) as HttpWebRequest;
            }
            request.Method = "GET";
            //request.ContentType = "application/x-www-form-urlencoded";
            request.Accept = "*/*";
            request.Timeout = 15000;
            request.AllowAutoRedirect = false;
            WebResponse response = null;
            string responseStr = null;
            if (headht != null)
            {
                foreach (DictionaryEntry item in headht)
                {
                    request.Headers.Add(item.Key.ToString(), item.Value.ToString());
                }
            }

            try
            {
                response = request.GetResponse();

                if (response != null)
                {
                    StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                    responseStr = reader.ReadToEnd();
                    reader.Close();
                }
            }
            catch (Exception)
            {
                throw;
            }
            return responseStr;
        }
        public static string HttpGet(string url, Encoding encodeing, Hashtable headht = null)
        {
            HttpWebRequest request;

            //如果是发送HTTPS请求  
            if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
            {
                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                request = WebRequest.Create(url) as HttpWebRequest;
                request.ProtocolVersion = HttpVersion.Version10;
            }
            else
            {
                request = WebRequest.Create(url) as HttpWebRequest;
            }
            request.Method = "GET";
            //request.ContentType = "application/x-www-form-urlencoded";
            request.Accept = "*/*";
            request.Timeout = 15000;
            request.AllowAutoRedirect = false;
            WebResponse response = null;
            string responseStr = null;
            if (headht != null)
            {
                foreach (DictionaryEntry item in headht)
                {
                    request.Headers.Add(item.Key.ToString(), item.Value.ToString());
                }
            }

            try
            {
                response = request.GetResponse();

                if (response != null)
                {
                    StreamReader reader = new StreamReader(response.GetResponseStream(), encodeing);
                    responseStr = reader.ReadToEnd();
                    reader.Close();
                }
            }
            catch (Exception)
            {
                throw;
            }
            return responseStr;
        }
        #endregion

        #region Post With Pic
        private string HttpPost(string url, IDictionary<object, object> param, string filePath)
        {
            string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
            byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("
--" + boundary + "
");

            HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);
            wr.ContentType = "multipart/form-data; boundary=" + boundary;
            wr.Method = "POST";
            wr.KeepAlive = true;
            wr.Credentials = System.Net.CredentialCache.DefaultCredentials;

            Stream rs = wr.GetRequestStream();
            string responseStr = null;

            string formdataTemplate = "Content-Disposition: form-data; name="{0}"

{1}";
            foreach (string key in param.Keys)
            {
                rs.Write(boundarybytes, 0, boundarybytes.Length);
                string formitem = string.Format(formdataTemplate, key, param[key]);
                byte[] formitembytes = System.Text.Encoding.UTF8.GetBytes(formitem);
                rs.Write(formitembytes, 0, formitembytes.Length);
            }
            rs.Write(boundarybytes, 0, boundarybytes.Length);

            string headerTemplate = "Content-Disposition: form-data; name="{0}"; filename="{1}"
Content-Type: {2}

";
            string header = string.Format(headerTemplate, "pic", filePath, "text/plain");
            byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
            rs.Write(headerbytes, 0, headerbytes.Length);

            FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
            byte[] buffer = new byte[4096];
            int bytesRead = 0;
            while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
            {
                rs.Write(buffer, 0, bytesRead);
            }
            fileStream.Close();

            byte[] trailer = System.Text.Encoding.ASCII.GetBytes("
--" + boundary + "--
");
            rs.Write(trailer, 0, trailer.Length);
            rs.Close();

            WebResponse wresp = null;
            try
            {
                wresp = wr.GetResponse();
                Stream stream2 = wresp.GetResponseStream();
                StreamReader reader2 = new StreamReader(stream2);
                responseStr = reader2.ReadToEnd();
                //logger.Debug(string.Format("File uploaded, server response is: {0}", responseStr));
            }
            catch (Exception ex)
            {
                //logger.Error("Error uploading file", ex);
                if (wresp != null)
                {
                    wresp.Close();
                    wresp = null;
                }
                throw;
            }
            return responseStr;
        }
        #endregion

        #region Post With Pic
        /// <summary>
        /// HTTP POST方式请求数据(带图片)
        /// </summary>
        /// <param name="url">URL</param>        
        /// <param name="param">POST的数据</param>
        /// <param name="fileByte">图片</param>
        /// <returns></returns>
        public static string HttpPost(string url, IDictionary<object, object> param, byte[] fileByte)
        {
            string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
            byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("
--" + boundary + "
");

            HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);
            wr.ContentType = "multipart/form-data; boundary=" + boundary;
            wr.Method = "POST";
            wr.KeepAlive = true;
            wr.Credentials = System.Net.CredentialCache.DefaultCredentials;

            Stream rs = wr.GetRequestStream();
            string responseStr = null;

            string formdataTemplate = "Content-Disposition: form-data; name="{0}"

{1}";
            foreach (string key in param.Keys)
            {
                rs.Write(boundarybytes, 0, boundarybytes.Length);
                string formitem = string.Format(formdataTemplate, key, param[key]);
                byte[] formitembytes = System.Text.Encoding.UTF8.GetBytes(formitem);
                rs.Write(formitembytes, 0, formitembytes.Length);
            }
            rs.Write(boundarybytes, 0, boundarybytes.Length);

            string headerTemplate = "Content-Disposition: form-data; name="{0}"; filename="{1}"
Content-Type: {2}

";
            string header = string.Format(headerTemplate, "pic", fileByte, "text/plain");//image/jpeg
            byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
            rs.Write(headerbytes, 0, headerbytes.Length);

            rs.Write(fileByte, 0, fileByte.Length);

            byte[] trailer = System.Text.Encoding.ASCII.GetBytes("
--" + boundary + "--
");
            rs.Write(trailer, 0, trailer.Length);
            rs.Close();

            WebResponse wresp = null;
            try
            {
                wresp = wr.GetResponse();
                Stream stream2 = wresp.GetResponseStream();
                StreamReader reader2 = new StreamReader(stream2);
                responseStr = reader2.ReadToEnd();
                // logger.Error(string.Format("File uploaded, server response is: {0}", responseStr));
            }
            catch (Exception ex)
            {
                //logger.Error("Error uploading file", ex);
                if (wresp != null)
                {
                    wresp.Close();
                    wresp = null;
                }
                throw;
            }
            return responseStr;
        }
        #endregion
    }

3：调用

在需要用到的地方直接调用此方法即可
var Ip=Net.GetIP;