c#如何使用IP地址获取有关计算机的信息

using System;
using System.Net;

class Program
{
    static void Main()
    {
        // 获取本地计算机的IP地址
        string localIP = GetLocalIPAddress();
        Console.WriteLine("本地IP地址: " + localIP);

        // 获取本地计算机的主机名
        string hostname = Dns.GetHostName();
        Console.WriteLine("主机名: " + hostname);

        // 获取本地计算机的所有IP地址
        IPAddress[] localIPs = Dns.GetHostAddresses(hostname);
        Console.WriteLine("所有IP地址:");
        foreach (IPAddress ipAddress in localIPs)
        {
            Console.WriteLine(ipAddress);
        }

        // 获取远程计算机的IP地址
        string remoteIP = GetRemoteIPAddress("www.example.com");
        Console.WriteLine("远程IP地址: " + remoteIP);

        // 获取远程计算机的主机名
        string remoteHostname = Dns.GetHostEntry(remoteIP).HostName;
        Console.WriteLine("远程主机名: " + remoteHostname);
    }

    // 获取本地计算机的IP地址
    static string GetLocalIPAddress()
    {
        string localIP = "";
        IPHostEntry host = Dns.GetHostEntry(Dns.GetHostName());
        foreach (IPAddress ipAddress in host.AddressList)
        {
            if (ipAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
            {
                localIP = ipAddress.ToString();
                break;
            }
        }
        return localIP;
    }

    // 获取远程计算机的IP地址
    static string GetRemoteIPAddress(string hostname)
    {
        string remoteIP = "";
        IPHostEntry host = Dns.GetHostEntry(hostname);
        foreach (IPAddress ipAddress in host.AddressList)
        {
            if (ipAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
            {
                remoteIP = ipAddress.ToString();
                break;
            }
        }
        return remoteIP;
    }
}