界面

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

namespace TestIP

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)

{

this.richTextBox1.Clear();

string iphostname = System.Net.Dns.GetHostName();

//会警告GetHostByName()已过期，我运行时且只返回了一个IPv4的地址

//System.Net.IPAddress[] ipaddress = System.Net.Dns.GetHostByName(iphostname).AddressList;

// //会返回所有地址，包括IPv4和IPv6

System.Net.IPAddress[] ipaddress = System.Net.Dns.GetHostAddresses(iphostname);

if (ipaddress != null && ipaddress.Length > 0)

{

foreach (System.Net.IPAddress ip in ipaddress)

{

this.richTextBox1.Focus();

SendKeys.Send(ip.ToString());

SendKeys.Send("{ENTER}");

}

}

}

private void button2_Click(object sender, EventArgs e)

{

this.richTextBox1.Clear();

string iphostname = System.Net.Dns.GetHostName();

System.Net.IPHostEntry iphostentry = System.Net.Dns.GetHostEntry(iphostname);

System.Net.IPAddress[] ipaddress = iphostentry.AddressList;

if (ipaddress != null && ipaddress.Length > 0)

{

foreach (System.Net.IPAddress ip in ipaddress)

{

this.richTextBox1.Focus();

SendKeys.Send(ip.ToString());

SendKeys.Send("{ENTER}");

}

}

}

private void button3_Click(object sender, EventArgs e)

{

this.richTextBox1.Clear();

System.Diagnostics.Process process = new System.Diagnostics.Process();

process.StartInfo.FileName = "ipconfig.exe";

process.StartInfo.Arguments = "/all";

process.StartInfo.UseShellExecute = false;

process.StartInfo.RedirectStandardInput = true;

process.StartInfo.RedirectStandardOutput = true;

process.StartInfo.RedirectStandardError = true;

process.StartInfo.CreateNoWindow = true;

//process.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;

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

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

//Win32Native.ShowWindow(hwndWin32Host, 1);

//先FindWindow找到窗口后再ShowWindow

process.Start();

string xx = process.StandardOutput.ReadToEnd();

process.WaitForExit();

process.Close();

this.richTextBox1.Text = xx;

}

private void button4_Click(object sender, EventArgs e)

{

this.richTextBox1.Clear();

string urlLink = "http://ip138.com/";

//www.ip138.com

System.Uri url = new Uri(urlLink);

System.Net.WebRequest request = System.Net.WebRequest.Create(url);

//System.Net.WebRequest request1 = System.Net.HttpWebRequest.Create(url);

System.IO.Stream respon = request.GetResponse().GetResponseStream();

System.IO.StreamReader read = new System.IO.StreamReader(respon, Encoding.GetEncoding("gb2312"));

string xxx = read.ReadToEnd();

int cc = xxx.IndexOf("[");

int cc1 = xxx.IndexOf("]");

this.richTextBox1.Text = xxx;

}

}

}