c# 获取本机IP地址的两种方法

1.

ArrayList alAllLocalIp = new ArrayList();

System.Management.ManagementClass mc = new System.Management.ManagementClass("Win32_NetworkAdapterConfiguration");

System.Management.ManagementObjectCollection nics = mc.GetInstances();

foreach (System.Management.ManagementObject nic in nics)

{

if (Convert.ToBoolean(nic["ipEnabled"]) == true)

{

string IpAddress = (nic["IPAddress"] as String[])[0].ToString();

if (!alAllLocalIp.Contains(IpAddress) && IpAddress.Trim()!="0.0.0.0")

{

alAllLocalIp.Add(IpAddress);

}

}

}

2.

ArrayList alAllLocalIp = new ArrayList();

string strHostName = Dns.GetHostName(); //得到本机的主机名

IPHostEntry ipEntry = Dns.GetHostByName(strHostName); //取得本机IP

for (int i = 0; i < ipEntry.AddressList.Length; i++)

{

alAllLocalIp.Add(ipEntry.AddressList[i].ToString());

}