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  • C# whois domainASP.NET, WindowsForm

    FROM: http://www.geekpedia.com/tutorial231_Getting-the-Who-Is-Information-of-a-Hostname.html

    http://www.aspdev.org/articles/build-whois-lookup-asp.net/

    Windows Forms代码
     1 using System;
     2 using System.Collections.Generic;
     3 using System.ComponentModel;
     4 using System.Data;
     5 using System.Drawing;
     6 using System.Text;
     7 using System.Windows.Forms;
     8 using System.IO;
     9 using System.Net.Sockets;
    10 
    11 namespace WhoIs
    12 {
    13     public partial class Form1 : Form
    14     {
    15         // Networking and IO objects we'll be using throughout the application
    16         TcpClient tcpWhois;
    17         NetworkStream nsWhois;
    18         BufferedStream bfWhois;
    19         StreamWriter swSend;
    20         StreamReader srReceive;
    21 
    22         public Form1()
    23         {
    24             InitializeComponent();
    25         }
    26 
    27         private void Form1_Load(object sender, EventArgs e)
    28         {
    29             // Has the first value selected
    30             cmbServer.SelectedIndex = 0;
    31         }
    32 
    33         private void btnLookup_Click(object sender, EventArgs e)
    34         {
    35             try 
    36             {
    37                 // The TcpClient should connect to the who-is server, on port 43 (default who-is)
    38                 tcpWhois = new TcpClient(cmbServer.SelectedItem.ToString(), 43);
    39                 // Set up the network stream
    40                 nsWhois = tcpWhois.GetStream();
    41                 // Hook up the buffered stream to the network stream
    42                 bfWhois = new BufferedStream(nsWhois);
    43             }
    44             catch
    45             {
    46                 MessageBox.Show("Could not open a connection to the Who-Is server.");
    47             }
    48             // Send to the server the host-name that we want to get information on
    49             swSend = new StreamWriter(bfWhois);
    50             swSend.WriteLine(txtHostName.Text);
    51             swSend.Flush();
    52             // Clear the textbox of anything existing content
    53             txtResponse.Clear();
    54             try 
    55             {
    56                 srReceive = new StreamReader(bfWhois);
    57                 string strResponse;
    58                 // Read the response line by line and put it in the textbox
    59                 while ((strResponse = srReceive.ReadLine()) != null
    60                 {
    61                     txtResponse.Text += strResponse + "\r\n";
    62                 }
    63             }
    64             catch
    65             {
    66                 MessageBox.Show("Could not read data from the Who-Is server.");
    67             }
    68             // We're done with the connection
    69             tcpWhois.Close();
    70         }
    71     }
    72 }
    Web Form代码
     1 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm3.aspx.cs" Inherits="WebStat.WebForm3" %>
     2 <% @Import Namespace="System.Net.Sockets" %>
     3 <% @Import Namespace="System.Text" %>
     4 <% @Import Namespace="System.IO" %>
     5 <% @Import Namespace="System.Text.RegularExpressions" %> 
     6 <script language="C#" runat="server">
     7 
     8 public void btn_Click(object sender, EventArgs eArgs)
     9 {
    10 try
    11 {
    12 TcpClient objTCPC = new TcpClient(Request.Form["WhoisServer"], 43);
    13 string strDomain = Request.Form["DomainName"+ "\r\n";
    14 byte[] arrDomain = Encoding.ASCII.GetBytes(strDomain);
    15 
    16 Stream objStream = objTCPC.GetStream();
    17 objStream.Write(arrDomain, 0, strDomain.Length);
    18 StreamReader objSR = new StreamReader(objTCPC.GetStream(),
    19 Encoding.ASCII);
    20 lblResponse.Text = "<b>" + Request.Form["DomainName"+
    21 "</b><br><br>" + Regex.Replace(objSR.ReadToEnd(),"\n","<br>");
    22 
    23 objTCPC.Close();
    24 }
    25 catch(Exception ex)
    26 {
    27 lblResponse.Text = ex.ToString();
    28 }
    29 }
    30 
    31 </script>
    32 
    33 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    34 
    35 <html xmlns="http://www.w3.org/1999/xhtml" >
    36 <head runat="server">
    37     <title>无标题页</title>
    38     <style type="text/css">
    39 .main {font-family:Verdana; font-size:12px;}
    40 .title {font-family:Verdana; font-size:18px; font-weight:bold;}
    41 </style> 
    42 </head>
    43 <body>
    44 <form id="Form2" method="POST" name="MainForm" runat="server">
    45 
    46     <div>
    47     <span class="title" align="center">WHOIS ASP.NET page</span>
    48 
    49 
    50 <table>
    51 <tr>
    52 <td class="main" align="right">Whois Server</td>
    53 <td class="main">
    54 <asp:DropDownList class="main" id="WhoisServer" runat="server">
    55 <asp:ListItem value="whois.networksolutions.com">
    56 whois.networksolutions.com (.COM, .NET, .EDU)</asp:ListItem>
    57 <asp:ListItem value="whois.ripe.net">whois.ripe.net
    58 (Europe)</asp:ListItem>
    59 <asp:ListItem value="whois.cira.ca">whois.cira.ca (.CA)
    60 </asp:ListItem>
    61 <asp:ListItem value="whois.nic.uk">whois.nic.uk
    62 (.CO.UK)</asp:ListItem>
    63 <asp:ListItem value="whois.domain-registry.nl">
    64 whois.domain-registry.nl (.NL)</asp:ListItem>
    65 </asp:DropDownList>
    66 </td>
    67 </tr>
    68 <tr>
    69 <td class="main" align="right">Domain Name:</td>
    70 <td class="main"><input type="text" class="main" name="DomainName" value=""/></td>
    71 </tr>
    72 <tr>
    73 <td class="main"> </td>
    74 <td class="main"><input type="Submit" id="btnSubmit" onserverclick="btn_Click" value="Send" runat="server" /></td>
    75 </tr>
    76 </table>
    77 <br/><br/>
    78 <asp:Label class="main" id="lblResponse" runat="server"/> 
    79     </div>
    80     </form>
    81 </body>
    82 </html>
    83 
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  • 原文地址:https://www.cnblogs.com/geovindu/p/1907171.html
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