修改后的Whois查询程序

2024-07-21 02:24:49

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<% @page language="c#" %>
<% @import namespace="system.net" %>
<% @import namespace="system.net.sockets" %>
<% @import namespace="system.text" %>
<% @import namespace="system.io" %>
<% @import namespace="system.collections" %>
<html>
<head>
<title>whois查询</title>
<link href="../inc/main.css" type="text/css" rel="stylesheet">
<script language="c#" runat="server">
void doquery(object sender, eventargs e)
{
  string strdomain;
  string strserver;
  //strserver = "whois.paycenter.com.cn";
  //新网的whois，联接查询速度较快，但不是在新网注册的域名可能无法显示详细资料
  strserver = "66.150.5.140"; //whois.uwhois.com

  if(txtdomain2.checked)
  { strdomain = txtdomain1.text+txtdomain2.text; }
  else
  {
    if(txtdomain3.checked)
    { strdomain = txtdomain1.text+txtdomain3.text; }
    else
    {
      if(txtdomain4.checked)
      { strdomain = txtdomain1.text+txtdomain4.text; }
      else
      {
        if(txtdomain5.checked)
        { strdomain = txtdomain1.text+txtdomain5.text; }
        else
        { strdomain = txtdomain1.text+txtdomain6.text; }
      }
    }
  }


  string strresponse;
  bool bsuccess = dowhoislookup(strdomain, strserver, out strresponse);
  if (bsuccess)
  {
    txtresult.text = strresponse;
  }
  else
  {
    txtresult.text = "查询失败！请重试。";
  }
}

bool dowhoislookup(string strdomain, string strserver, out string strresponse)
{
  strresponse = "none";
  bool bsuccess = false;

  tcpclient tcpc = new tcpclient();
  tcpc.connect(strserver, 43);
  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();
        while (-1 != sr.peek())
        {
          strbuilder.append(sr.readline()+"<br>");
        }
        tcpc.close();

        bsuccess = true;
        strresponse = strbuilder.tostring();
    }
  catch(exception e)
    {
        strresponse = e.tostring();
    }

    return bsuccess;
}
</script>
</head>
<body>

<form runat="server">
域名： www.<asp:textbox id="txtdomain1" value="" runat="server" />
<asp:radiobutton id="txtdomain2" groupname="radiogroup1" text=".com" checked="true" runat="server" />
<asp:radiobutton id="txtdomain3" groupname="radiogroup1" text=".net" runat="server" />
<asp:radiobutton id="txtdomain4" groupname="radiogroup1" text=".org" runat="server" />
<asp:radiobutton id="txtdomain5" groupname="radiogroup1" text=".biz" runat="server" />
<asp:radiobutton id="txtdomain6" groupname="radiogroup1" text=".cc" runat="server" />
<asp:button id="btnquery" onclick="doquery" text="查询" runat="server" />
<br><hr width="100%"><br>
<asp:label id="txtresult" forecolor="#0000ff" class="body" runat="server" />
</form>
</body>
</html>

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