[ASPX]
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Host.aspx.cs" Inherits="Host" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>Untitled Page</title> <script>
var div;
function load(){ div = document.getElementById("info");
} if(window.attachEvent) window.attachEvent("onload",load); else window.addEventListener("load",load,false); function check(){ div.style.display = ""; div.innerHTML = "正在查询，请稍候
"; document.getElementById("Button1").disabled = true; Host.Check(document.getElementById("Text1").value,new Array(".com",".net",".org"),check_Callback); } function check_Callback(res){ if(res.error!=null){ alert(res.error); }else{ div.innerHTML = ""; for(var i=0;i<res.value.length;i++){ div.innerHTML += (res.value[i].Domain + ":" + (res.value[i].IsRegistered?"已注册":"未注册") + "<br />"); } } document.getElementById("Button1").disabled = false; } function whois(){ div.style.display = ""; document.getElementById("Button2").disabled = true; div.innerHTML = "正在查询，请稍候"; Host.Whois(document.getElementById("Text2").value,whois_Callback); } function whois_Callback(res){ if(res.error!=null){ alert(res.error); }else{ div.innerHTML = res.value; } document.getElementById("Button2").disabled = false; }
</script> </head><body> <form id="form1" runat="server"> <div> 查询域名： <input id="Text1" type="text" onkeyup="document.getElementById('Button1').disabled=(value.length==0);if(event.keyCode==13 && value.length>0)check();" /> <input id="Button1" disabled="true" type="button" value="查询域名" onclick="check()"; /><br /> Whois: <input id="Text2" type="text" onkeyup="document.getElementById('Button2').disabled=(value.length==0);if(event.keyCode==13 && value.length>0)whois();" /> <input id="Button2" disabled="true" type="button" value=" Whois " onclick="whois();" /><br /> <div style="margin-top:6px;padding:6px;border:solid 1px skyblue;background-color:#def;display:none;width:600px;word-break:break-all;font-family:Tahoma;font-size:14px;" id="info"> </div> </div> </form></body></html>
[CS]
using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using AjaxPro;using System.Drawing;using System.Net;using System.IO;using System.Text;using System.Collections.Specialized;public partial class Host : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { Utility.RegisterTypeForAjax(typeof(Host)); } public struct CHECKRESULT { public string Domain; public string Type; public bool IsRegistered; } static string Post(string serviceUrl, string content) { string response; Encoding encoding = Encoding.GetEncoding("GB2312"); HttpWebRequest wrq = WebRequest.Create(serviceUrl) as HttpWebRequest; wrq.Method = "POST"; wrq.Accept = "*/*"; wrq.Referer = serviceUrl; wrq.ContentLength = content.Length; byte[] bytes = encoding.GetBytes(content); using (Stream stream = wrq.GetRequestStream()) { stream.Write(bytes, 0, bytes.Length); } HttpWebResponse wrp = wrq.GetResponse() as HttpWebResponse; using (Stream stream = wrp.GetResponseStream()) { using (StreamReader sr = new StreamReader(stream,encoding)) { response = sr.ReadToEnd(); sr.Close(); } stream.Close(); } wrp.Close(); return response; } [AjaxMethod] public CHECKRESULT[] Check(string domain, string[] exts) { string serviceUrl = "http://www.paycenter.com.cn/cgi-bin/Check"; string content = "name=" + domain; foreach (string ext in exts) content += "&suffix=" + ext; content += "&client=agent27625"; NameValueCollection nvc = HttpUtility.ParseQueryString(Post(serviceUrl,content)); CHECKRESULT[] results = new CHECKRESULT[exts.Length]; int index = 0; foreach (string ext in exts) { CHECKRESULT rst; rst.Domain = domain + ext; rst.Type = nvc["enc"]; rst.IsRegistered = (nvc["chk" + (index+1)] == "0"); results[index] = rst; index++; } return results; } [AjaxMethod] public string Whois(string domain) { if (domain.ToLower().EndsWith(".cn")) { string serviceUrl = "http://www.paycenter.com.cn/cgi-bin/NECWhois"; string content = "NECDN=" + domain; string response = Post(serviceUrl, content); response = response.Substring(response.IndexOf("<p align=\"center\"> </p>") + 30); response = response.Replace(response.Substring(response.IndexOf("<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">") + 63), ""); return response; } else { string serviceUrl = "http://whois.paycenter.com.cn/cgi-bin/whois"; string content = "CDomain=" + domain; string response = Post(serviceUrl, content); response = response.Substring(response.IndexOf("<p align=\"center\"> </p>") + 30); response = response.Replace(response.Substring(response.IndexOf("<!--WHOISText -->") + 17), ""); return response; } }}
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