asp google pr查询代码

<%@LANGUAGE="JAVASCRIPT"%>
<title>Google PR值查询　asp程序</title>
<%
function hexdec(str)
{
return parseInt(str,16);
}
function zeroFill(a,b)
{
var z = hexdec(80000000);
if (z & a)
{
a = a>>1;
a &= ~z;
a |= 0x40000000;
a = a>>(b-1);
}
else
{
a = a >> b;
}
return (a);
}
function mix(a,b,c)
{
a -= b; a -= c; a ^= (zeroFill(c,13));
b -= c; b -= a; b ^= (a<<8);
c -= a; c -= b; c ^= (zeroFill(b,13));
a -= b; a -= c; a ^= (zeroFill(c,12));
b -= c; b -= a; b ^= (a<<16);
c -= a; c -= b; c ^= (zeroFill(b,5));
a -= b; a -= c; a ^= (zeroFill(c,3));
b -= c; b -= a; b ^= (a<<10);
c -= a; c -= b; c ^= (zeroFill(b,15));
var ret = new Array((a),(b),(c));
return ret;
}
function GoogleCH(url,length)
{
var init = 0xE6359A60;
if (arguments.length == 1)
length = url.length;
var a = 0x9E3779B9;
var b = 0x9E3779B9;
var c = 0xE6359A60;
var k = 0;
var len = length;
var mixo = new Array();
while(len >= 12)
{
a += (url[k+0] +(url[k+1]<<8) +(url[k+2]<<16) +(url[k+3]<<24));
b += (url[k+4] +(url[k+5]<<8) +(url[k+6]<<16) +(url[k+7]<<24));
c += (url[k+8] +(url[k+9]<<8) +(url[k+10]<<16)+(url[k+11]<<24));
mixo = mix(a,b,c);
a = mixo[0]; b = mixo[1]; c = mixo[2];
k += 12;
len -= 12;
}
c += length;
switch(len)
{
case 11:
c += url[k+10]<<24;
case 10:
c+=url[k+9]<<16;
case 9 :
c+=url[k+8]<<8;
case 8 :
b+=(url[k+7]<<24);
case 7 :
b+=(url[k+6]<<16);
case 6 :
b+=(url[k+5]<<8);
case 5 :
b+=(url[k+4]);
case 4 :
a+=(url[k+3]<<24);
case 3 :
a+=(url[k+2]<<16);
case 2 :
a+=(url[k+1]<<8);
case 1 :
a+=(url[k+0]);
}
mixo = mix(a,b,c);
if (mixo[2] < 0)
return (0x100000000 + mixo[2]);
else
return mixo[2];
}
function strord(s)
{
var re = new Array();
for(i=0;i<s.length;i++)
{
re[i] = s.charCodeAt(i);
}
return re;
}
//来源于网络,
function c32to8bit(arr32)
{
var arr8 = new Array();
for(i=0;i<arr32.length;i++)
{
for (bitOrder=i*4;bitOrder<=i*4+3;bitOrder++)
{
arr8[bitOrder]=arr32[i]&255;
arr32[i]=zeroFill(arr32[i], 8);
}
}
return arr8;
}
function myfmod(x,y)
{
var i = Math.floor(x/y);
return (x - i*y);
}
//来源于网络, www. pqshow .com
function GoogleNewCh(ch)
{
ch = (((ch/7) << 2) | ((myfmod(ch,13))&7));
prbuf = new Array();
prbuf[0] = ch;
for(i = 1; i < 20; i++) {
prbuf[i] = prbuf[i-1]-9;
}
ch = GoogleCH(c32to8bit(prbuf), 80);
return ch;
}
function URLencode(sStr)
{
return encodeURIComponent(sStr).replace(/\+/g,"%2B").replace(/\//g,"%2F");
}
function getGoogleHostInfo(url){
var reqgr = "info:" + url;
var reqgre = "info:" + URLencode(url);
//Response.Write(reqgr+"<br>"+reqgre); 来源于网络,
gch = GoogleCH(strord(reqgr));
gch = "6" + GoogleNewCh(gch);
var querystring = "http://toolbarqueries.google.com/search?client=navclient-auto&ch=" + gch + "&ie=UTF-8&oe=UTF-8&features=Rank:FVN&q=" + reqgre;
//Response.Write(querystring); 来源于网络,
var objXMLHTTP, xml;
xml = Server.CreateObject("Microsoft.XMLHTTP");
xml.Open("GET", querystring, false);
xml.setRequestHeader( "User-Agent", "Mozilla/4.0 (compatible; GoogleToolbar 2.0.114-big; Windows XP 5.1)" );
xml.send();
return xml.responseText;
}
function getPageRank(temp){
var foo = temp.match(/Rank_.*?:.*?:(\d+)/i);
var pr = (foo) ? foo[1] : "";
return pr;
}
function getDirectory(temp){
var foo = temp.match(/FVN_.*?:.*?:(?:Top\/)?([^\s]+)/i);
var cat = (foo) ? foo[1] : "";
if(cat!="")cat="http://directory.google.com/Top/"+cat
return cat;
}
//来源于网络,
var site;
site="www.baidu.com"; //输入站点名
if(site!="undefined"){
var google=getGoogleHostInfo(site);
var pagerank=getPageRank(google);
var directory=getDirectory(google);
Response.Write("PageRank:"+pagerank+"<br>");
Response.Write("PageRank:<img src=\"images/pr"+pagerank+".png\" alt=\"PageRank:"+pagerank+"\"><br>");
Response.Write("Site:"+site+"<br>");
if(directory!="")Response.Write("Site:<a href="+directory+">"+directory+"</a><br>");
}
%>