获取本机内网和外网IP代码,CSharp代码库,德仔网

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【CSharp】获取本机内网和外网IP

作者:Yvette / 发布于2015/8/13/ 1317


	//获取内网IP
	private string GetInternalIP()
	{
	 IPHostEntry host;
	 string localIP = "?";
	 host = Dns.GetHostEntry(Dns.GetHostName());
	 foreach (IPAddress ip in host.AddressList)
	 {
	 if (ip.AddressFamily.ToString() == "InterNetwork")
	 {
	 localIP = ip.ToString();
	 break;
	 }
	 }
	 return localIP;
	}

	

	

	

	//获取外网IP
	private string GetExternalIP()
	{
	 string direction = "";
	 WebRequest request = WebRequest.Create("http://checkip.dyndns.org/");
	 using (WebResponse response = request.GetResponse())
	 using (StreamReader stream = new StreamReader(response.GetResponseStream()))
	 {
	 direction = stream.ReadToEnd();
	 }
	 int first = direction.IndexOf("Address:") + 9;
	 int last = direction.LastIndexOf("</body>");
	 direction = direction.Substring(first, last - first);
	 return direction;
	}

试试其它关键字

　本机内网　　外网IP　

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