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//首先来个循环ping一下那个网段的主机。 //其次用以下的函数去获取所有的局域网内有响应的ip地址列表 public static ArrayList GetAllLocalMachines() { Process p = new Process(); p.StartInfo.FileName = "cmd.exe"; p.StartInfo.UseShellExecute = false; p.StartInfo.RedirectStandardInput = true; p.StartInfo.RedirectStandardOutput = true; p.StartInfo.RedirectStandardError = true; p.StartInfo.CreateNoWindow = true; p.Start(); p.StandardInput.WriteLine("arp -a"); p.StandardInput.WriteLine("exit"); ArrayList list = new ArrayList(); StreamReader reader = p.StandardOutput; string IPHead = Dns.GetHostByName(Dns.GetHostName()).AddressList[0].ToString().Substring(0, 3); for (string line = reader.ReadLine(); line != null; line = reader.ReadLine()) { line = line.Trim(); if (line.StartsWith(IPHead) && (line.IndexOf("dynamic") != -1)) { string IP = line.Substring(0, 15).Trim(); string Mac = line.Substring(line.IndexOf("-") - 2, 0x11).Trim(); LocalMachine localMachine = new LocalMachine(); localMachine.MachineIP = IP; localMachine.MachineMAC = Mac; localMachine.MachineName = ""; list.Add(localMachine); } } return list; } |
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