用ASP.Net编写的查询域名的程序
类别: ASP.NET教程
这段程序最早是bigengle兄弟贴在chinaasp上的,是个很不错的程序来讲解ASP.Net的高级应用。不过最大的缺点就是查询中国域名时不支持中文,所出来的信息中文不能显示,小弟我稍微改了一下,这个已经能够支持中文了。呵呵,关于这个例子,我在国外的站点上放了了一个大家可以看 <br>
<br>
http://aspx1.brinkster.com/feidao/named.aspx <br>
<br>
这个主机是国外的,所以对中文支持不太好(原因我在《亲密接触ASP.net》中说得很清楚),大家如果看不到中文,请用选择IE中的\"编码\"---\"简体中文\". <br>
<br>
下面是源程序。 <br>
<br>
<% @ Page Language=\"C#\" %> <br>
<% @ Assembly Name=\"System.Net\" %> <br>
<% @ Import Namespace=\"System.Net.Sockets\" %> <br>
<% @ Import Namespace=\"System.Text\" %> <br>
<% @ Import Namespace=\"System.IO\" %> <br>
<% @ Import Namespace=\"System.Collections\" %> <br>
<script language=\"C#\" runat=\"server\"> <br>
void doQuery(Object sender, EventArgs e) <br>
{ <br>
String strDomain = txtDomain.Text; <br>
char[] chSplit = {\'.\'}; <br>
string[] arrDomain = strDomain.Split(chSplit); <br>
<br>
int nLength = arrDomain[1].Length ; <br>
Hashtable table = new Hashtable(); <br>
table.Add(\"de\", \"whois.denic.de\"); <br>
table.Add(\"be\", \"whois.dns.be\"); <br>
table.Add(\"gov\", \"whois.nic.gov\"); <br>
table.Add(\"mil\", \"whois.nic.mil\"); <br>
<br>
String strServer ; //define whois server <br>
//if the domainname\'s end is cn then the server is cnnic ,otherwise is networksolutions <br>
if (arrDomain[arrDomain.Length - 1] == \"cn\") <br>
{ <br>
strServer = \"159.226.6.139\" ; <br>
} <br>
else <br>
{ <br>
strServer = \"whois.networksolutions.com\"; <br>
} <br>
<br>
if (table.ContainsKey(arrDomain[1])) <br>
{ <br>
strServer = table[arrDomain[1]].ToString(); <br>
} <br>
else if (nLength == 2) <br>
{ <br>
// 2-letter TLD\'s always default to RIPE in Europe <br>
strServer = \"whois.ripe.net\"; <br>
} <br>
<br>
String strResponse; <br>
bool bSuccess = DoWhoisLookup(strDomain, strServer, out strResponse); <br>
if (bSuccess) <br>
{ <br>
txtResult.Text = strResponse; <br>
} <br>
else <br>
{ <br>
txtResult.Text = \"Lookup failed\"; <br>
} <br>
} <br>
<br>
bool DoWhoisLookup(String strDomain, String strServer, out String strResponse) <br>
{ <br>
strResponse = \"none\"; <br>
bool bSuccess = false; <br>
<br>
TCPClient tcpc = new TCPClient(); <br>
if (0 == tcpc.Connect(strServer, 43)) <br>
{ <br>
strDomain += \"/r/n\"; <br>
Byte[] arrDomain = Encoding.ASCII.GetBytes(strDomain.ToCharArray()); <br>
try <br>
{ <br>
String str; <br>
Stream s = tcpc.GetStream(); <br>
s.Write(arrDomain, 0, strDomain.Length); <br>
<br>
StreamReader sr = new StreamReader(tcpc.GetStream(), Encoding.Default); <br>
StringBuilder strBuilder = new StringBuilder(); <br>
while (-1 != sr.Peek()) <br>
{ <br>
strBuilder.Append(sr.ReadLine()+\"<br>\"); <br>
<br>
} <br>
tcpc.Close(); <br>
<br>
bSuccess = true; <br>
strResponse = strBuilder.ToString(); <br>
} <br>
catch(Exception e) <br>
{ <br>
strResponse = e.ToString(); <br>
} <br>
<br>
return bSuccess; <br>
} <br>
else <br>
{ <br>
strResponse = \"Could not connect to Whois server\"; <br>
return false; <br>
} <br>
<br>
return false; <br>
} <br>
</script> <br>
<html> <br>
<head> <br>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\"> <br>
<title></title> <br>
</head> <br>
<body> <br>
<br>
<form runat=\"server\"> <br>
Domain name: WWW . <asp:TextBox id=\"txtDomain\" value=\"\" runat=\"server\" /> <br>
<asp:Button id=\"btnQuery\" OnClick=\"doQuery\" text=\"Query!\" runat=\"server\" /> <br>
<BR><HR width=\"100%\"><BR> <br>
<asp:label id=\"txtResult\" runat=\"server\" /> <br>
</form> <br>
<br>
</body> <br>
</html>
<br>
http://aspx1.brinkster.com/feidao/named.aspx <br>
<br>
这个主机是国外的,所以对中文支持不太好(原因我在《亲密接触ASP.net》中说得很清楚),大家如果看不到中文,请用选择IE中的\"编码\"---\"简体中文\". <br>
<br>
下面是源程序。 <br>
<br>
<% @ Page Language=\"C#\" %> <br>
<% @ Assembly Name=\"System.Net\" %> <br>
<% @ Import Namespace=\"System.Net.Sockets\" %> <br>
<% @ Import Namespace=\"System.Text\" %> <br>
<% @ Import Namespace=\"System.IO\" %> <br>
<% @ Import Namespace=\"System.Collections\" %> <br>
<script language=\"C#\" runat=\"server\"> <br>
void doQuery(Object sender, EventArgs e) <br>
{ <br>
String strDomain = txtDomain.Text; <br>
char[] chSplit = {\'.\'}; <br>
string[] arrDomain = strDomain.Split(chSplit); <br>
<br>
int nLength = arrDomain[1].Length ; <br>
Hashtable table = new Hashtable(); <br>
table.Add(\"de\", \"whois.denic.de\"); <br>
table.Add(\"be\", \"whois.dns.be\"); <br>
table.Add(\"gov\", \"whois.nic.gov\"); <br>
table.Add(\"mil\", \"whois.nic.mil\"); <br>
<br>
String strServer ; //define whois server <br>
//if the domainname\'s end is cn then the server is cnnic ,otherwise is networksolutions <br>
if (arrDomain[arrDomain.Length - 1] == \"cn\") <br>
{ <br>
strServer = \"159.226.6.139\" ; <br>
} <br>
else <br>
{ <br>
strServer = \"whois.networksolutions.com\"; <br>
} <br>
<br>
if (table.ContainsKey(arrDomain[1])) <br>
{ <br>
strServer = table[arrDomain[1]].ToString(); <br>
} <br>
else if (nLength == 2) <br>
{ <br>
// 2-letter TLD\'s always default to RIPE in Europe <br>
strServer = \"whois.ripe.net\"; <br>
} <br>
<br>
String strResponse; <br>
bool bSuccess = DoWhoisLookup(strDomain, strServer, out strResponse); <br>
if (bSuccess) <br>
{ <br>
txtResult.Text = strResponse; <br>
} <br>
else <br>
{ <br>
txtResult.Text = \"Lookup failed\"; <br>
} <br>
} <br>
<br>
bool DoWhoisLookup(String strDomain, String strServer, out String strResponse) <br>
{ <br>
strResponse = \"none\"; <br>
bool bSuccess = false; <br>
<br>
TCPClient tcpc = new TCPClient(); <br>
if (0 == tcpc.Connect(strServer, 43)) <br>
{ <br>
strDomain += \"/r/n\"; <br>
Byte[] arrDomain = Encoding.ASCII.GetBytes(strDomain.ToCharArray()); <br>
try <br>
{ <br>
String str; <br>
Stream s = tcpc.GetStream(); <br>
s.Write(arrDomain, 0, strDomain.Length); <br>
<br>
StreamReader sr = new StreamReader(tcpc.GetStream(), Encoding.Default); <br>
StringBuilder strBuilder = new StringBuilder(); <br>
while (-1 != sr.Peek()) <br>
{ <br>
strBuilder.Append(sr.ReadLine()+\"<br>\"); <br>
<br>
} <br>
tcpc.Close(); <br>
<br>
bSuccess = true; <br>
strResponse = strBuilder.ToString(); <br>
} <br>
catch(Exception e) <br>
{ <br>
strResponse = e.ToString(); <br>
} <br>
<br>
return bSuccess; <br>
} <br>
else <br>
{ <br>
strResponse = \"Could not connect to Whois server\"; <br>
return false; <br>
} <br>
<br>
return false; <br>
} <br>
</script> <br>
<html> <br>
<head> <br>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\"> <br>
<title></title> <br>
</head> <br>
<body> <br>
<br>
<form runat=\"server\"> <br>
Domain name: WWW . <asp:TextBox id=\"txtDomain\" value=\"\" runat=\"server\" /> <br>
<asp:Button id=\"btnQuery\" OnClick=\"doQuery\" text=\"Query!\" runat=\"server\" /> <br>
<BR><HR width=\"100%\"><BR> <br>
<asp:label id=\"txtResult\" runat=\"server\" /> <br>
</form> <br>
<br>
</body> <br>
</html>
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