c#获取本地IP和MAC地址

1>通过wmi获取

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using System; using System.Management; using System.Net;    public class Program     {         static void Main(string[] args)         {             try             {                 string ip = "";                 string mac = "";                 ManagementClass mc;                 string hostInfo = Dns.GetHostName();                 //IP地址                 //System.Net.IPAddress[] addressList = Dns.GetHostByName(Dns.GetHostName()).AddressList;这个过时                   System.Net.IPAddress[] addressList = Dns.GetHostEntry(Dns.GetHostName()).AddressList;                 for (int i = 0; i < addressList.Length; i++)                 {                     ip = addressList[i].ToString();                 }                 //mac地址                 mc = new ManagementClass("Win32_NetworkAdapterConfiguration");                 ManagementObjectCollection moc = mc.GetInstances();                 foreach (ManagementObject mo in moc)                 {                     if (mo["IPEnabled"].ToString() == "True")                     {                         mac = mo["MacAddress"].ToString();                     }                 }                 //输出                 string outPutStr = "IP:{0},\n MAC地址:{1}";                 outPutStr = string.Format(outPutStr, ip, mac);                 Console.WriteLine(outPutStr);             }             catch (Exception e)             { }             Console.ReadLine();         }     }

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