asp.net 域名查询接口！十万火急！！

///
/// 从“中国万网(www.net.cn)”实现域名查询功能
///
/// 域名/// 后缀(cn|com|net|name|org|comcn|netcn|orgcn|govcn|info|biz|tv|cc)/// 以上依次代表：.cn|.com|.net|.name|.org|.com.cn|.net.cn|.org.cn|.gov.cn|.info|.biz|.tv|.cc
///
public static string Whois( string Domain, string Ext )
{
#region 这部分可能会变化,取决于“中国万网”是否改变查询方式和显示查询结果的那个网页的内容
const string cntURLB = "http://panda.www.net.cn/cgi-bin/Check.cgi?domain=";//http请求头部
const string cntURLM = "&ext="; //http请求中间部分(变量)
const string cntMark = ""; //需要的"中国万网"返回信息的开始特征
const string cntTableB = ""; //"中国万网"返回信息中的一个table的开始部分的特征 //已知"中国万网"查询结果的三种情况的特征
const string cntQn = "此域名不能注册";
const string cntReg = "已被注册的域名";
const string cntNotReg = "未被注册的域名";
#endregion #region 这个部分选用
//以下用来替换"中国万网"返回信息中table的样式
const string cntTableR = "";
const string cntTableE = "";
const string cntTable = ""; //自定义查询结果,用于页面显示
const string cntAble = "恭喜你,这是一个";
const string cntNotConnect = "不能连接到服务器，请重试！";
#endregion string strResult = string.Empty; try
{
#region 这里执行查询
//从"中国万网"查询域名
string strURL = cntURLB + Domain + cntURLM + Ext;
//建立请求
WebRequest wRequest = WebRequest.Create( strURL );
// wRequest.Proxy = new WebProxy( "server", 8080 );//视情况设置代理
wRequest.Timeout = 30000;
WebResponse wResponse = wRequest.GetResponse();//执行请求
Stream responseStream = wResponse.GetResponseStream();//读取万网返回结果
StreamReader reader = new StreamReader( responseStream, Encoding.Default );
string responseHTML = reader.ReadToEnd();//将所有结果保存到字符串
wResponse.Close();
#endregion //取出万网查询结果
strResult = responseHTML.Substring( responseHTML.IndexOf( cntMark ), responseHTML.IndexOf( cntTableB ) - responseHTML.IndexOf( cntMark ) ); #region 这个部分选用
//根据需要调整结果
strResult = cntTable + strResult + cntTableR;
if( responseHTML.IndexOf( cntQn ) > -1 )
{
strResult += cntQn + "！" + cntTableE;
}
else if( responseHTML.IndexOf( cntReg ) > -1 )
{
strResult += cntReg + "！" + cntTableE;
}
else if( responseHTML.IndexOf( cntNotReg ) > -1 )
{
strResult += cntAble + cntNotReg + "！" + cntTableE;
}
else
{
strResult = responseHTML;
}
#endregion
}
catch( WebException )
{
strResult = cntNotConnect + "\n";
}
catch( UriFormatException err)
{
strResult = err.Message;
} return strResult;
}

域名可使用whois服务
http://topic.csdn.net/u/20090930/08/1e03dada-861a-4f55-ba80-c48f2e3f0ed2.html

<% @Page Language="C#" %>
<% @Import Namespace="System.Net.Sockets" %>
<% @Import Namespace="System.Text" %>
<% @Import Namespace="System.IO" %>
<html>
<head>
<title>.Com/.Net/.Org/.Cn 域名Whois信息查询</title>
<meta name="keywords" content=".Com,.Net,.Org,.Cn 域名Whois信息查询">
<meta name="generator" content=".Com/.Net/.Org,.Cn 域名Whois信息查询">
<meta name="description" content=".Com/.Net/.Org,.Cn 域名Whois信息查询">
<style>

</style>
</head>
<body>
<form id="fmQuery" runat="server">
 要查询的域名域名:
www.<asp:TextBox id="txtDomain" width="100" value="ASPXBOY.COM" runat="server" />
  <asp:Button id="btnQuery" OnClick="btn_click"
text="查询!" runat="server" />（只能查询.Com/.Net/.Org/.Cn 域名Whois的信息）      <a href ="WhoisCode.htm" title="View the source code here!">源代码在这里</a>
<BR><HR width="550" height="1" align="left"><BR>
<asp:label id="lblResult" runat="server" />
</form>
</body>
</html>
<script language="C#" runat="server">
void btn_click(Object sender, EventArgs e)
{
String strServer;
String strDomain = txtDomain.Text;
String strServerCom = "whois.networksolutions.com";
String strServerCN = "whois.cnnic.net.cn";
String strResponse;
string[] arrDomain = strDomain.Split('.');
if (arrDomain[1].ToUpper()=="CN")
{

        strServer=strServerCN;
}
else
{
        strServer=strServerCom;
}bool blSuccess = IsWhosisSuccess(strDomain, strServer, out strResponse);
if (blSuccess)
{
lblResult.Text = strResponse;
}
else
{
lblResult.Text = "查找失败....";
}
}
bool IsWhosisSuccess(String strDomain, String strServer,
                   out String strResponse)
{
  strResponse = "none";
  bool blSuccess = false;
  TcpClient tcpc = new TcpClient();
  try
  {
    tcpc.Connect(strServer, 43);
  }
  catch(SocketException ex)
  {
    strResponse = "连接不到该 Whois server,请稍后再试。";
    return false;
  }  strDomain += "\r\n";
  Byte[] arrDomain = Encoding.UTF8.GetBytes(strDomain.ToCharArray());
  try
  {
        Stream s = tcpc.GetStream();
        s.Write(arrDomain, 0, strDomain.Length);

        StreamReader sr = new StreamReader(tcpc.GetStream(), Encoding.UTF8);
        StringBuilder strBuilder = new StringBuilder();
        string strLine = null;        while (null != (strLine = sr.ReadLine()))
        {
                strBuilder.Append(strLine+"<br>");
        }
        tcpc.Close();

        blSuccess = true;
        string my="Go to Huobazi's WebSite：<a href=\"http://www.aspxboy.com\" title=\".Net男孩社区\">www.AspxBoy.Com</a><br>";
        strResponse = strBuilder.ToString()+my;  }
  catch(Exception e)
  {
        strResponse = e.ToString();
  }

  return blSuccess;
}
  </script>

问下一楼的 string Ext 这个是什么参数

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Domain.aspx.cs" Inherits="GoodWork.Web.SearchTools.Domain" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>.Com/.Net/.Org/.Cn 域名Whois信息查询</title>
<meta name="keywords" content=".Com,.Net,.Org,.Cn 域名Whois信息查询">
<meta name="generator" content=".Com/.Net/.Org,.Cn 域名Whois信息查询">
<meta name="description" content=".Com/.Net/.Org,.Cn 域名Whois信息查询">
<style>

</style></head>
<body>
    <form id="fmQuery" runat="server">

     要查询的域名域名:
www.<asp:TextBox id="txtDomain" width="100" value="ASPXBOY.COM" runat="server" />
  <asp:Button id="btnQuery" OnClick="btn_click" text="查询!" runat="server" />（只能查询.Com/.Net/.Org/.Cn 域名Whois的信息）
<BR><HR width="550" height="1" align="left"><BR>
<asp:label id="lblResult" runat="server" />
    </form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;using System.Net.Sockets;
using System.Text;
using System.IO;namespace GoodWork.Web.SearchTools
{
    public partial class Domain : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {        }        protected void btn_click(object sender, EventArgs e)
        {
            String strServer;
            String strDomain = txtDomain.Text;
            String strServerCom = "whois.networksolutions.com";
            String strServerCN = "whois.cnnic.net.cn";
            String strResponse;
            string[] arrDomain = strDomain.Split('.');
            if (arrDomain[1].ToUpper() == "CN")
            {                strServer = strServerCN;
            }
            else
            {
                strServer = strServerCom;
            }            bool blSuccess = IsWhosisSuccess(strDomain, strServer, out strResponse);
            if (blSuccess)
            {
                lblResult.Text = strResponse;
            }
            else
            {
                lblResult.Text = "查找失败....";
            }
        }
        bool IsWhosisSuccess(String strDomain, String strServer,out String strResponse)
        {
            strResponse = "none";
            bool blSuccess = false;
            TcpClient tcpc = new TcpClient();
            try
            {
                tcpc.Connect(strServer, 43);
            }
            catch (SocketException ex)
            {
                strResponse = "连接不到该 Whois server,请稍后再试。";
                return false;
            }            strDomain += "\r\n";
            Byte[] arrDomain = Encoding.UTF8.GetBytes(strDomain.ToCharArray());
            try
            {
                Stream s = tcpc.GetStream();
                s.Write(arrDomain, 0, strDomain.Length);                StreamReader sr = new StreamReader(tcpc.GetStream(), Encoding.UTF8);
                StringBuilder strBuilder = new StringBuilder();
                string strLine = null;                while (null != (strLine = sr.ReadLine()))
                {
                    strBuilder.Append(strLine + "<br>");
                }
                tcpc.Close();                blSuccess = true;
                string my = "Go to Huobazi's WebSite：<a href=\"http://www.aspxboy.com\" title=\".Net男孩社区\">www.AspxBoy.Com</a><br>";
                strResponse = strBuilder.ToString() + my;
            }
            catch (Exception e)
            {
                strResponse = e.ToString();
            }            return blSuccess;
        }    }
}

调试易

asp.net 域名查询接口！十万火急！！

解决方案 »