主程序代碼：

?

? ?// 由主機域名獲得其IP地址
??? protected void btnShowLocal_Click(object sender, EventArgs e)
??? {
??????? txtaShowAnswer.Value = "";
??????? string strShowAnwser = string.Empty;

??????? string strHostName = Dns.GetHostName(); //獲取本地主機名
??????? strShowAnwser = "The local host's name is: " + strHostName + "/n";
??????? IPHostEntry ipHost = Dns.GetHostEntry(strHostName); //將主機名解析成IPHostEntry實例
??????? foreach (IPAddress ip in ipHost.AddressList) //將主機名（域名）對應(yīng)的IP全部解析出來
??????????? strShowAnwser += "The local host's IP is: " + ip.ToString() + "/n";
??????? IPAddress LocalIP = IPAddress.Parse("127.0.0.1"); //將字符串實例成IP地址
??????? IPEndPoint ipEP = new IPEndPoint(LocalIP, 80); //將網(wǎng)絡(luò)端點表示成IP地址和端口號
??????? strShowAnwser += "The IPEndPoint is: " + ipEP.ToString() + "/n";
??????? strShowAnwser += "The Address is: " + ipEP.Address + "/n";
??????? strShowAnwser += "The Port is: " + ipEP.Port + "/n";
??????? strShowAnwser += "The AddressFamily is: " + ipEP.AddressFamily + "/n";
??????? strShowAnwser += "The Max port number is: " + IPEndPoint.MaxPort + "/n";
??????? strShowAnwser += "The Min port number is: " + IPEndPoint.MinPort + "/n";

??????? txtaShowAnswer.Value = strShowAnwser;
??? }

?

?

運行結(jié)果：

The local host's name is: Young
The local host's IP is: ::1
The local host's IP is: 210.77.29.132
The IPEndPoint is: 127.0.0.1:80
The Address is: 127.0.0.1
The Port is: 80
The AddressFamily is: InterNetwork
The Max port number is: 65535
The Min port number is: 0

轉(zhuǎn)載于:https://www.cnblogs.com/wdpp/archive/2010/01/24/2387010.html

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