如何在Winform中获取客户端的MAC地址?

Question

如题

Answer 1

C#获取局域网内所有的ip及对应的MAC
收藏using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.DirectoryServices;namespace CSDNResult
...{
    /**//// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    ...{
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.TreeView PCTree;
        private System.Windows.Forms.ListBox listBox1;
        /**//// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.Container components = null;        public Form1()
        ...{
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
        }        /**//// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        ...{
            if( disposing )
            ...{
                if (components != null) 
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }        Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
        /**//// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        ...{
            this.button1 = new System.Windows.Forms.Button();
            this.PCTree = new System.Windows.Forms.TreeView();
            this.listBox1 = new System.Windows.Forms.ListBox();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(440, 152);
            this.button1.Name = "button1";
            this.button1.TabIndex = 0;
            this.button1.Text = "button1";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // PCTree
            // 
            this.PCTree.ImageIndex = -1;
            this.PCTree.Location = new System.Drawing.Point(40, 56);
            this.PCTree.Name = "PCTree";
            this.PCTree.SelectedImageIndex = -1;
            this.PCTree.Size = new System.Drawing.Size(280, 288);
            this.PCTree.TabIndex = 1;
            // 
            // listBox1
            // 
            this.listBox1.ItemHeight = 12;
            this.listBox1.Location = new System.Drawing.Point(368, 192);
            this.listBox1.Name = "listBox1";
            this.listBox1.Size = new System.Drawing.Size(264, 172);
            this.listBox1.TabIndex = 2;
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(648, 414);
            this.Controls.Add(this.listBox1);
            this.Controls.Add(this.PCTree);
            this.Controls.Add(this.button1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.ResumeLayout(false);        }
        #endregion        /**//// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main() 
        ...{
            Application.Run(new Form1());
        }        private void Form1_Load(object sender, System.EventArgs e)
        ...{
        
        }        private void button1_Click(object sender, System.EventArgs e)
        ...{
            GetIPAddress();
        }
        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 output = p.StandardOutput.ReadToEnd();
            int len = output.IndexOf("MAC Address = ");
            if(len>0)
            ...{
                mac = output.Substring(len + 14, 17);
            }            
            p.WaitForExit();            
            return mac;
        }
        public void GetIPAddress()
        ...{
            DirectoryEntry entryPC = new DirectoryEntry("WinNT:");
            ArrayList arr=new ArrayList();
            foreach(DirectoryEntry child in entryPC.Children)
            ...{
                TreeNode node = new TreeNode();
                node.Text = child.SchemaClassName+":"+child.Name;
                PCTree.Nodes.Add(node);                foreach(DirectoryEntry pc in child.Children)
                ...{
                    if(String.Compare(pc.SchemaClassName,"computer",true)==0)
                    ...{
                        TreeNode son = new TreeNode();
                        //son.Text = pc.Name;
                        try
                        ...{
                            IPHostEntry hostent = Dns.GetHostByName(pc.Name); // 主机信息
                            Array addrs = hostent.AddressList;            // IP地址数组
                            IEnumerator it = addrs.GetEnumerator();       // 迭代器
                            while(it.MoveNext()) 
                            ...{                     // 循环到下一个IP 地址
                                IPAddress ip = (IPAddress)it.Current;      // 获得 IP 地址
                                son.Text=ip.ToString(); // 显示 IP地址
                                arr.Add(ReadMac(ip.ToString()));
                            }
                        }
                        catch
                        ...{
                            son.Text=pc.Name;
                        }
                        node.Nodes.Add(son);
                    }
                }
            }
            foreach(string s in arr)
            ...{
                this.listBox1.Items.Add(s);
            }
        }
        
    }
}

Answer 2

using System.Management;
/// <summary>
/// 获取MAC地址
/// </summary>
/// <returns></returns>
public string GetNetCardMacAddress()
{
  ManagementClass mc;
  ManagementObjectCollection moc;
  mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
  moc = mc.GetInstances();
  string str = "";
  foreach(ManagementObject mo in moc)
  {
    if((bool)mo["IPEnabled"] == true)
      str = mo["MacAddress"].ToString();  }
  return str;
}

Answer 3

我开发了一个客户端，用户要通过客户端登陆管理资料，在用户登陆的时候要获取客户的电脑ＭＡＣ地址记录到数据库，以后只能用这台电脑登陆了！我用软件是vs 2005 C#

Answer 4

使用NetworkInterface.GetAllNetworkInterfaces好了。具体的MAC地址可以通过NetworkInterface.GetPhysicalAddress获得。MSDN有详细的代码范例。