C#实现得到本机IP以及网关地址

来源：互联网发布：上海上知营销策划公司编辑：程序博客网时间：2024/06/06 20:30

        // 得到本机IP              private string GetLocalIP()         {            //本机IP地址            string strLocalIP = "";            //得到计算机名            string strPcName = Dns.GetHostName();            //得到本机IP地址数组            IPHostEntry ipEntry = Dns.GetHostEntry(strPcName);            //遍历数组            foreach(var IPadd in ipEntry.AddressList)            {                //判断当前字符串是否为正确IP地址                if (IsRightIP(IPadd.ToString()))                 {                    //得到本地IP地址                    strLocalIP = IPadd.ToString();                                       break;                }            }                       return strLocalIP;        }

      //得到网关地址        private string GetGateway()         {              string strGateway = "";            //获取所有网卡            NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();            //遍历数组            foreach (var netWork in nics)            {                //单个网卡的IP对象                IPInterfaceProperties ip = netWork.GetIPProperties();                //获取该IP对象的网关                GatewayIPAddressInformationCollection gateways = ip.GatewayAddresses;                foreach(var gateWay in gateways)                {                    //如果能够Ping通网关                    if(IsPingIP(gateWay.Address.ToString()))                    {                        //得到网关地址                        strGateway = gateWay.Address.ToString();                        //跳出循环                        break;                    }                }                //如果已经得到网关地址                if (strGateway.Length > 0)                 {                                    break;                }            }                       return strGateway;        }

        /// 尝试Ping指定IP是否能够Ping通              /// <param name="strIP">指定IP</param>        /// <returns>true 是 false 否</returns>        public static bool IsPingIP(string strIP)         {            try            {                                Ping ping = new Ping();                //接受Ping返回值                PingReply reply = ping.Send(strIP, 1000);                //Ping通                return true;            }            catch             {                //Ping失败                return false;            }        }

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