Google PR值查询

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Google PR值查询程序</title>
</head>

<body><h3>输入网址，查询Google PageRank值</h3>
<form name="form1" method="post" action="?act=ok">
  <p>输入网址
    <input type="text" name="domain">
    <input type="submit" name="Submit" value="提交">
  </p>
</form>
<%
if trim(Request.QueryString("act"))="ok" then
    domain=trim(Request.Form("domain"))
 if domain<>"" then
     Response.Write("<b>"&domain&"</b> 的Google PageRank值为<font color=red>"&getPr(domain)&"</font>")
 end if
end if

Function getPr(domain)
    getContent=GetURL("http://rankwhere.com/google-page-rank.php?url="&domain)
 getLine1=RegExpText(getContent,"has Google PageRank.*out of 10")
 getLine2=RegExpText(getLine1,"PageRank.*out")
 getPr=RegExpText(getLine2,"/d")
End Function

Function bstr(vIn)
 Dim strReturn,i,ThisCharCode,innerCode,Hight8,Low8,NextCharCode
 strReturn = "" 
 For i = 1 To LenB(vIn)
  ThisCharCode = AscB(MidB(vIn,i,1))
  If ThisCharCode < &H80 Then
   strReturn = strReturn & Chr(ThisCharCode)
  Else
   NextCharCode = AscB(MidB(vIn,i+1,1))
   strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 + CInt(NextCharCode))
   i = i + 1
  End If
 Next
 
 bstr = strReturn  
End Function

Function GetURL(url)
    Set Retrieval = Server.CreateObject("Microsoft.XMLHTTP")
          With Retrieval
          .Open "GET", url, false
    .setRequestHeader "Content-Type","application/x-www-form-urlencoded"
          .Send
          GetURL = .ResponseBody
          End With
    Set Retrieval = Nothing
 GetURL=bstr(GetURL)
End Function

Function RegExpText(strng,regStr)
  'Dim regEx, Match, Matches  ' 建立变量。
  Set regEx = New RegExp   ' 建立正则表达式。
  regEx.Pattern = regStr   ' 设置模式。
  regEx.IgnoreCase = True   ' 设置是否区分字符大小写。
  regEx.Global = True   ' 设置全局可用性。
  Set Matches = regEx.Execute(strng) ' 执行搜索。
  For Each Match in Matches  ' 遍历匹配集合。  
      RetStr = RetStr & Match.Value'&"|||"     
  Next
  RegExpText = RetStr
  set regEx=nothing
End Function
%>
</body>
</html>