C# 获取mac地址 本机或者 远程的

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/// 获取本机网卡mac地址代码
/// </summary>
/// <returns></returns>
/// /// <summary>
public string GetNetworkAdpaterID()
{
try
{
string mac = "";
System.Management.ManagementClass mc = new System.Management.ManagementClass("Win32_NetworkAdapterConfiguration");
System.Management.ManagementObjectCollection moc = mc.GetInstances();
foreach (System.Management.ManagementObject mo in moc)
if ((bool)mo["IPEnabled"] == true)
{
mac += mo["MacAddress"].ToString() + " ";
break;
}
moc = null;
mc = null;
return mac.Trim();
}
catch (Exception e)
{
return "uMnIk";
}
}

根据ip地址获取mac地址的方法

//下面一种方法可以获取远程的MAC地址
[DllImport("Iphlpapi.dll")]
static extern int SendARP(Int32 DestIP, Int32 SrcIP, ref Int64 MacAddr, ref Int32 PhyAddrLen);
[DllImport("Ws2_32.dll")]
static extern Int32 inet_addr(string ipaddr);
/// <summary>
/// SendArp获取MAC地址
/// </summary>
/// <param name="RemoteIP">目标机器的IP地址如(192.168.1.1)</param>
/// <returns>目标机器的mac 地址</returns>
public static string getMacAddr_Remote(string RemoteIP)
{
StringBuilder macAddress = new StringBuilder();
try
{
Int32 remote = inet_addr(RemoteIP);
Int64 macInfo = new Int64();
Int32 length = 6;
SendARP(remote, 0, ref macInfo, ref length);
string temp = Convert.ToString(macInfo, 16).PadLeft(12, ‘0‘).ToUpper();
int x = 12;
for (int i = 0; i < 6; i++)
{
if (i == 5)
{
macAddress.Append(temp.Substring(x - 2, 2));
}
else
{
macAddress.Append(temp.Substring(x - 2, 2) + "-");
}
x -= 2;
}
return macAddress.ToString();
}
catch
{
return macAddress.ToString();
}
}

获取ip地址，可穿透代理

///获取ip地址
string user_IP = "";
if (Request.ServerVariables["HTTP_VIA"] != null)//如果有代理那么越过代理直接取值
{
user_IP = Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();
}
else
{
user_IP = Request.ServerVariables["REMOTE_ADDR"].ToString();
}

C# 获取mac地址 本机或者 远程的

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原文地址：http://www.cnblogs.com/greatDota2/p/4522701.html