实例介绍
【实例简介】C#实现获取局域网内所有计算机的IP地址和MAC地址的控制台应用程序源码 程序启动时首先获取本机的IP和MAC地址； 然后获取局域网内所有计算机的IP地址； 输入IP地址回车，获取该IP的MAC地址； 输入“STARTSCAN”回车，重新获取局域网内所有计算机的IP地址； 输入“ALLSCAN”回车，获取网段内所有IP（0-255）的MAC地址 代码见压缩包
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Net;
using System.Management;
using System.Collections;
using System.DirectoryServices;
using System.Text.RegularExpressions;
using System.Diagnostics;
using System.IO;
using System.Threading;
namespace GetIPMAC
{
class Program
{
[DllImport("Iphlpapi.dll")]
private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);
[DllImport("Ws2_32.dll")]
private static extern Int32 inet_addr(string ip);
static void Main(string[] args)
{
Program pro = new Program();
Console.WriteLine("获取本机和目标机的MAC地址----LC编辑");
Console.WriteLine();
Console.WriteLine("本机网卡信息：");
string localIP = pro.GetLocalIP()[0];
Console.WriteLine("本机IP：" localIP " \n本机MAC： " pro.getLocalMac());
Console.WriteLine();
#region 获取主机名称--保存到文档--转换成地址
////获取所有机器的机器名，并存于c:\\xyq.txt
//System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo();
//psi.FileName = @"C:\WINDOWS\system32\cmd.exe";
//psi.Arguments = @"/c net view > c:\\xyq.txt";//需要加上/c这个参数
//psi.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
//System.Diagnostics.Process.Start(psi);
////读取c:\\xyq.txt文本文件里所有含有”\\”前缀的记录进arrText
//StreamReader objReader = new StreamReader("c:\\xyq.txt");
//string sLine = "";
//ArrayList arrText = new ArrayList();
//ArrayList arrip = new ArrayList();
//while (sLine != null)
//{
// sLine = objReader.ReadLine();
// if (sLine != null)
// {
// if (sLine.IndexOf("\\") == 0)//这句的功能是读取文本文件里所有含有”\\”前缀的记录
// {
// arrText.Add(sLine);
// }
// }
//}
//objReader.Close();
////把机器的主机名转换成ip地址
//foreach (string str_out in arrText)//遍历这个数组
//{
// string hostname = str_out.Substring(2, str_out.IndexOf(" ") - 2);
// try
// {
// System.Net.IPAddress[] addressList = Dns.GetHostAddresses(hostname);
// for (int j = 0; j < addressList.Length; j )
// {
// arrip.Add(addressList[j].ToString());
// Console.WriteLine(hostname " : " addressList[j].ToString());
// }
// }
// catch(Exception ex)
// {
// Console.WriteLine(hostname " : " ex.Message);
// }
//}
//File.Delete("c:\\xyq.txt");
#endregion
Console.WriteLine();
Console.WriteLine("正在获取网络主机列表......");
pro.GetOnlineComputerList();
Console.WriteLine("获取完毕！");
#region 其他获取主机列表方法
//pro.StartScan();
//Thread.Sleep(1000 * 60);
//ArrayList allUsers = ComputerAddressInfo.computerList;//pro.GetComputerList();
//if (allUsers.Count > 0)
//{
// for (int i = 0; i < allUsers.Count; i )
// {
// string[] strPCInf = (string[])allUsers[i];
// Console.WriteLine(strPCInf[0].ToString() " : " strPCInf[1].ToString());
// }
//}
//else
// Console.WriteLine("没有找到主机！");
#endregion
Console.WriteLine();
Console.WriteLine("请输入目标机IP地址：");
string remoteIP = Console.ReadLine();
while (remoteIP.ToUpper() != "EXIT")
{
if (remoteIP.ToUpper() == "STARTSCAN")
{
Console.WriteLine("重新获取网络主机列表......");
pro.GetOnlineComputerList();
Console.WriteLine("获取完毕！");
}
else if (remoteIP.ToUpper() == "ALLSCAN")
{
Console.WriteLine("获取网络所有IP的主机列表......");
pro.GetAllIPComputerList(localIP);
Console.WriteLine("所有IP获取完毕！");
}
else
{
if (remoteIP.Contains(":"))
{
if (remoteIP.Substring(0, remoteIP.IndexOf(":")).ToUpper() == "PC")
{
string pcName = remoteIP.Substring(remoteIP.IndexOf(":") 1);
try
{
string[] temp = pro.getRemoteIP(pcName);//目标机名
for (int i = 0; i < temp.Length; i )
{
Console.WriteLine(pcName "的IP为：" temp[i]);
}
}
catch (Exception ex)
{
Console.WriteLine(pcName "：" ex.Message);
}
}
}
else
{
//string remoteMac = pro.getRemoteMac(getLocalIP(), remoteIP);//本机IP和目标机IP
string remoteMac = pro.GetRemoteMac(remoteIP);
Console.WriteLine("目标机IP：" remoteIP " \n目标机MAC： " remoteMac);
Console.WriteLine("====================================");
}
}
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("请输入目标机IP地址：");
remoteIP = Console.ReadLine();
}
}
//获取本机的IP，返回地址列表第一个
public string getLocalIP()
{
string strHostName = Dns.GetHostName(); //得到本机的主机名
IPHostEntry ipEntry = Dns.GetHostByName(strHostName); //取得本机IP
string strAddr = ipEntry.AddressList[0].ToString();
return strAddr;
}
//获取本机IP，返回地址列表数组
public string[] GetLocalIP()
{
string hostName = Dns.GetHostName();
IPHostEntry ipEntry=Dns.GetHostByName(hostName);
IPAddress[] arr=ipEntry.AddressList;
string[] result = new string[arr.Length];
for (int i = 0; i < arr.Length; i )
{
result[i] = arr[i].ToString();
}
return result;
}
//获取本机的MAC
public string getLocalMac()
{
string mac = null;
ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration");
ManagementObjectCollection queryCollection = query.Get();
foreach (ManagementObject mo in queryCollection)
{
if (mo["IPEnabled"].ToString() == "True")
mac = mo["MacAddress"].ToString();
}
return mac.ToUpper();
}
//获得本机的MAC地址
public string GetLocalMac()
{
string strMac = string.Empty;
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc = mc.GetInstances();
foreach(ManagementObject mo in moc)
{
if ((bool)mo["IPEnabled"] == true)
strMac = mo["MacAddress"].ToString();
}
return strMac.ToUpper();
}
//获取远程主机IP
public string[] getRemoteIP(string RemoteHostName)
{
IPHostEntry ipEntry = Dns.GetHostByName(RemoteHostName);
IPAddress[] IpAddr = ipEntry.AddressList;
string[] strAddr = new string[IpAddr.Length];
for (int i = 0; i < IpAddr.Length; i )
{
strAddr[i] = IpAddr[i].ToString();
}
return strAddr;
}
//获取远程主机MAC方法一：使用API，利用ARP协议，只能获得同网段计算机的MAC
public string getRemoteMac(string localIP, string remoteIP)
{
Int32 ldest = inet_addr(remoteIP); //目的ip
Int32 lhost = inet_addr(localIP); //本地ip
try
{
Int64 macinfo = new Int64();
Int32 len = 6;
int res = SendARP(ldest, 0, ref macinfo, ref len);
string remote = Convert.ToString(macinfo, 16);
if (remote == "0")
return remote;
if (remote.Length < 12)
{
remote = remote.PadLeft(12, '0');
}
StringBuilder remoteMac = new StringBuilder();
for (int i = remote.Length - 2; i >= 0; i = i - 2)
{
remoteMac.Append(remote.Substring(i, 2));
remoteMac.Append(":");
}
if (remoteMac.Length > 1)
{
remoteMac.Remove(remoteMac.Length - 1, 1);
}
return remoteMac.ToString().ToUpper();
}
catch (Exception err)
{
Console.WriteLine("Error:{0}", err.Message);
return err.Message;
}
}
//获取远程主机MAC方法二：使用API，利用ARP协议，只能获得同网段计算机的MAC
//[DllImport("Iphlpapi.dll")]
//private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);
//[DllImport("Ws2_32.dll")]
//private static extern Int32 inet_addr(string ip);
public string GetRemoteMac(string clientIP)
{
string ip = clientIP;
if (ip == "127.0.0.1")
ip = GetLocalIP()[0];
Int32 ldest = inet_addr(ip);
Int64 macinfo = new Int64();
Int32 len = 6;
try
{
SendARP(ldest, 0, ref macinfo, ref len);
string originalMACAddress = Convert.ToString(macinfo, 16);
if (originalMACAddress == "0")
return originalMACAddress;
if (originalMACAddress.Length < 12)
{
originalMACAddress = originalMACAddress.PadLeft(12, '0');
}
string macAddress = "";
if (originalMACAddress.Length == 12)
{
string mac1, mac2, mac3, mac4, mac5, mac6;
mac1 = originalMACAddress.Substring(10, 2);
mac2 = originalMACAddress.Substring(8, 2);
mac3 = originalMACAddress.Substring(6, 2);
mac4 = originalMACAddress.Substring(4, 2);
mac5 = originalMACAddress.Substring(2, 2);
mac6 = originalMACAddress.Substring(0, 2);
macAddress = mac1 "-" mac2 "-" mac3 "-" mac4 "-" mac5 "-" mac6;
}
return macAddress.ToUpper();
}
catch (Exception err)
{
Console.WriteLine("Error:{0}", err.Message);
return err.Message;
}
}
//获取远程主机MAC方法三：使用windows的命令nbtstat，使用此方法需要足够的操作系统的权限。在Web中,可以将ASP.net用户加入管理员组。
public string GetRemoteMacByNetBIOS(string clientIP)
{
string ip = clientIP;
if ( ip == "127.0.0.1")
ip = GetLocalIP()[0];
string dirResults="";
ProcessStartInfo psi = new ProcessStartInfo();
Process proc = new Process();
psi.FileName = "nbtstat.exe";
//psi.RedirectStandardInput = false;
psi.RedirectStandardOutput = true;psi.RedirectStandardError=true;
psi.Arguments = "-A " ip;
psi.UseShellExecute = false;
proc = Process.Start(psi);
dirResults = proc.StandardOutput.ReadToEnd();
string error = proc.StandardError.ReadToEnd();
proc.WaitForExit();
dirResults=dirResults.Replace("\r","").Replace("\n","").Replace("\t","");
Regex reg=new Regex("Mac[ ]{0,}Address[ ]{0,}=[ ]{0,}(?((.)*?))__MAC",RegexOptions.IgnoreCase|RegexOptions.Compiled);
Match mc=reg.Match(dirResults "__MAC");
if(mc.Success)
{
return mc.Groups["key"].Value.ToUpper();
}
else
{
return "";
}
}
//获取所有计算机列表方法一：使用Active Directory
public ArrayList GetComputerList()
{
ArrayList list = new ArrayList();
DirectoryEntry root = new DirectoryEntry("WinNT:");
DirectoryEntries domains = root.Children;
domains.SchemaFilter.Add("domain");
foreach (DirectoryEntry domain in domains)
{
DirectoryEntries computers = domain.Children;
computers.SchemaFilter.Add("computer");
foreach (DirectoryEntry computer in computers)
{
object[] arr = new string[2];
IPHostEntry iphe = null;
try
{
iphe = Dns.GetHostByName(computer.Name);
//arr[0] = domain.Name;
arr[0] = computer.Name;
if (iphe != null)
{
arr[1] = iphe.AddressList[0].ToString();
}
}
catch(Exception ex)
{
arr[0] = computer.Name;
arr[1] = ex.Message.ToString();
}
list.Add(arr);
}
}
return list;
}
//获取所有计算机列表方法二：利用多线程来对每个IP逐个扫描的方式，此方法速度比较慢
public void StartScan()
{
ComputerAddressInfo cai = new ComputerAddressInfo("192.168.1", 9, 10);
Thread thScan = new Thread(new ThreadStart(cai.ScanComputers));
thScan.Start();
}
public void GetOnlineComputerList()
{
DirectoryEntry root = new DirectoryEntry("WinNT:");
DirectoryEntries domains = root.Children;
domains.SchemaFilter.Add("domain");
foreach (DirectoryEntry domain in domains)
{
DirectoryEntries computers = domain.Children;
computers.SchemaFilter.Add("computer");
foreach (DirectoryEntry computer in computers)
{
string[] arr = new string[3];
IPHostEntry iphe = null;
try
{
iphe = Dns.GetHostByName(computer.Name);
arr[0] = domain.Name;
arr[1] = computer.Name;
if (iphe != null)
{
arr[2] = iphe.AddressList[0].ToString();
}
}
catch (Exception ex)
{
arr[0] = domain.Name;
arr[1] = computer.Name;
arr[2] = ex.Message.ToString();
}
Console.WriteLine(arr[1].ToString() " : " arr[2].ToString());
}
}
}
public void GetAllIPComputerList(string localip)
{
string strnet = localip.Substring(0, localip.LastIndexOf(".") 1);
for (int i = 1; i < 255; i )
{
string remoteip = strnet i;
string remotemac = GetRemoteMac(remoteip);
Console.WriteLine(remoteip " : " remotemac);
}
}
}
}
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