C#获取本机IP搜集整理7种方法

①

 1 private void GetIP()  

 2 {  

 3     string hostName = Dns.GetHostName();//本机名   

 4     //System.Net.IPAddress[] addressList = Dns.GetHostByName(hostName).AddressList;//会警告GetHostByName()已过期，我运行时且只返回了一个IPv4的地址   

 5     System.Net.IPAddress[] addressList = Dns.GetHostAddresses(hostName);//会返回所有地址，包括IPv4和IPv6   

 6     foreach (IPAddress ip in addressList)  

 7     {  

 8         listBox1.Items.Add(ip.ToString());  

 9     }  

10 }  

 

 

②使用IPHostEntry获取本机局域网地址

 

1         static string GetLocalIp()  

2         {  

3             string hostname = Dns.GetHostName();//得到本机名   

4             //IPHostEntry localhost = Dns.GetHostByName(hostname);//方法已过期，只得到IPv4的地址   

5 <SPAN style="WHITE-SPACE: pre"> </SPAN>    IPHostEntry localhost = Dns.GetHostEntry(hostname);  

6             IPAddress localaddr = localhost.AddressList[0];  

7             return localaddr.ToString();  

8         }  

 

③获取本机网络ip地址

 方法时通过向网站向一些提供IP查询的网站发送webrequest，然后分析返回的数据流 

 1        string strUrl = "提供IP查询的网站的链接";  

 2        Uri uri = new Uri(strUrl);  

 3        WebRequest webreq = WebRequest.Create(uri);  

 4        Stream s = webreq .GetResponse().GetResponseStream();  

 5        StreamReader sr = new StreamReader(s, Encoding.Default);  

 6        string all = sr.ReadToEnd();   

 7        int i = all.IndexOf("[") + 1;  

 8        //分析字符串得到IP   

 9        return ip;  

10        /* 

11         我用的是http://www.ip.cn/getip.php?action=getip&ip_url=&from=web    

12         (这种链接很容易找的，百度“IP”得到一些网站，分析一下网站的链接就能得到) 

13         返回的数据是：  

14         <div class="well"><p>当前 IP：<code>0.0.0.0</code>&nbsp;来自：XX省XX市 电信</p><p>GeoIP: Beijing, China</p></div>  

15         解析这段就行  

16       */  

 

④//由于用到了ManagementClass、ManagementObjectCollection；必须添加引用System.Management.dll及using System.Management;

 1 private void GetIP2()  

 2         {  

 3             string stringMAC = "";  

 4             string stringIP = "";  

 5             ManagementClass managementClass = new ManagementClass("Win32_NetworkAdapterConfiguration");  

 6             ManagementObjectCollection managementObjectCollection = managementClass.GetInstances();  

 7             foreach(ManagementObject managementObject in managementObjectCollection)  

 8             {  

 9                 if ((bool)managementObject["IPEnabled"] == true)  

10                 {  

11                     stringMAC += managementObject["MACAddress"].ToString();  

12                     string[] IPAddresses = (string[])managementObject["IPAddress"];  

13                     if (IPAddresses.Length > 0)  

14                     {  

15                         stringIP = IPAddresses[0];   

16                     }  

17                 }  

18             }  

19             txtMAC.Text = stringMAC.ToString();  

20             txtIP.Text = stringIP.ToString();  

21         }  

 

⑤调用一个网站提供的Web服务来查询IP网址： http://www.webxml.com.cn/zh_cn/web_services.aspx服务： http://webservice.webxml.com.cn/WebServices/IpAddressSearchWebService.asmx
弄了好半天，但是没学会怎样调用Web Service，按照搜到的页面做也不行，遂先放弃吧.....毕竟还未接触到WebService，改天把WebService搞定再来一定就容易了（留待以后完善吧）

⑥通过获取CMD里ipconfig命令的结果来得到IP     

 1    private void GetIP6()  

 2    {  

 3        Process cmd = new Process();  

 4        cmd.StartInfo.FileName = "ipconfig.exe";//设置程序名   

 5        cmd.StartInfo.Arguments = "/all";  //参数   

 6 //重定向标准输出   

 7        cmd.StartInfo.RedirectStandardOutput = true;  

 8        cmd.StartInfo.RedirectStandardInput = true;  

 9        cmd.StartInfo.UseShellExecute = false;  

10        cmd.StartInfo.CreateNoWindow = true;//不显示窗口（控制台程序是黑屏）   

11 //cmd.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;//暂时不明白什么意思   

12        /* 

13 收集一下 有备无患 

14        关于:ProcessWindowStyle.Hidden隐藏后如何再显示？ 

15        hwndWin32Host = Win32Native.FindWindow(null, win32Exinfo.windowsName); 

16        Win32Native.ShowWindow(hwndWin32Host, 1);     //先FindWindow找到窗口后再ShowWindow 

17        */  

18        cmd.Start();  

19        string info = cmd.StandardOutput.ReadToEnd();  

20        cmd.WaitForExit();  

21        cmd.Close();  

22        textBox1.AppendText(info);  

23    }  

 

 

⑦NetworkInformation 

 1 private void GetIP5()  

 2        {  

 3     //需要的命名空间   

 4            //using System.Net.NetworkInformation;   

 5            //using System.Net.Sockets;   

 6            string str = "";  

 7            NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();  

 8            int i = 0;  

 9            foreach (NetworkInterface adapter in adapters)  

10            {  

11   

12                IPInterfaceProperties adapterProperties = adapter.GetIPProperties();  

13                UnicastIPAddressInformationCollection allAddress =  

14                                                                                        adapterProperties.UnicastAddresses;  

15                if (allAddress.Count > 0)  

16                {  

17                    str += "interface   " + i + "description:\n\t " + adapter.Description + "\n ";  

18                    i++;  

19                    foreach (UnicastIPAddressInformation addr in allAddress)  

20                    {  

21                        if (addr.Address.AddressFamily == AddressFamily.InterNetworkV6)  

22                        {  

23                            ipListComb.Items.Add(addr.Address);  

24                        }  

25                        if (addr.Address.AddressFamily == AddressFamily.InterNetwork)  

26                        {  

27                            comboBox1.Items.Add(addr.Address);  

28                        }  

29   

30                    }  

31                }  

32            }  

33            MessageBox.Show(str);  

34        }