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C# 获取本地IP地址以及MAC地址

上一篇 / 下一篇  2008-04-06 13:39:14 / 个人分类:C#

1、通过主机名获取局域网IP地址;
            try
            {
                IPHostEntry ipHostEntry = Dns.GetHostEntry(txtHost.Text);//传递计算机名
                if (ipHostEntry.Aliases.Length > 0)
                {
                    foreach (string alias in ipHostEntry.Aliases)
                        txtIP.Text = alias;
                }
                //获取IP地址
                foreach (IPAddress addr in ipHostEntry.AddressList)
                    txtIPAddress.Text = addr.ToString();//获取IP地址
             }
            catch
            {
                MessageBox.Show("错误的主机名。");
            }
2、通过局域网IP地址获取主机名;
try
            {
               IPHostEntry ipHostEntry = Dns.GetHostByAddress(txtIP.Text); ;//传递IP地址
               txtHostName.Text = ipHostEntry.HostName.ToString()//取得主机名
            }
            catch
            {
               MessageBox.Show("错误的IP地址。");
            }
3、通过局域网IP地址获取Mac地址
public static string ReadMac(string ip)//传递IP地址,即可返回MAC地址
        {
            string mac = "";
            System.Diagnostics.Process p = new System.Diagnostics.Process();
            p.StartInfo.FileName = "nbtstat";
            p.StartInfo.Arguments = "-a " + ip;
            p.StartInfo.UseShellExecute = false;
            p.StartInfo.CreateNoWindow = true;
            p.StartInfo.RedirectStandardOutput = true;            
            p.Start();
            string ōutput = p.StandardOutput.ReadToEnd();
            int len = output.IndexOf("MAC Address = ");
            if(len>0)
            {
                 mac = output.Substring(len + 14, 17);
            }            
            p.WaitForExit();            
            return mac;
        }51Testing软件测试网 g].e1DU4x]
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4.直接获取本机IP地址
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string   strHostIP="";   51Testing软件测试网1QYdYq2Q2c
    IPHostEntry   ōIPHost=Dns.Resolve(Environment.MachineName);   51Testing软件测试网)j_;N4sJ2q6B)_E!\(S
    if(oIPHost.AddressList.Length>0)   51Testing软件测试网j'E5u r7Kd
    strHostIP=oIPHost.AddressList[0].ToString();   51Testing软件测试网7e p'z*|s"B(c
    Console.WriteLine(strHostIP);

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