开发学院WEB开发ASP ASP判断文件地址是否有效! 阅读

ASP判断文件地址是否有效!

 2005-07-02 10:31:17 来源:WEB开发网   
核心提示:<%'原创作者:小艺 QQ:52093 时间:2005.6.30 Response.Write("<head><style><!--span{ font-size: 9pt }--></style></head>")On Er

<%
'原创作者:小艺 QQ:52093 时间:2005.6.30
Response.Write("<head><style><!--span{ font-size: 9pt }--></style></head>")
On Error Resume Next
Dim thisurl,thistext
thisurl=Request("thisurl")       '定义文件地址(非Html格式文档)!
if thisurl="" then
   Response.Write("<span>请先输入文件地址!</span>")
   Response.End
End if

Function objxmlhttp(xmlurl)
   On Error Resume Next
   Set objxml = CreateObject("Microsoft.xmlhttp")
   objxml.Open "get",xmlurl,false
   objxml.setrequestheader "content-type","application/x-www-form-urlencoded"
   objxml.send
   objxmlhttp = objxml.responsebody
   if Err then
      Err.Clear
      Response.Write("<span>建立连接失败,文件不存在或网络有问题!;错误原因:"&Err.Description&"!</span>")
      Response.End
   End if
End Function
'www.cncms.com
Function bytes2BSTR(vIn)
   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
   bytes2BSTR = strReturn
End Function

thisurl2=Split(thisurl,",")
For Each ii In thisurl2
   thistext=bytes2BSTR(objxmlhttp(ii))
   if InStr(thistext,"<html>")<>0 then
      Response.Write("<span>"& ii &" <b>×</b></span><br>")
   Else
      Response.Write("<span>"& ii &" <b>√</b></span><br>")
   End if
Next

if Err then
   Err.Clear
   Response.Write("<span>碰到意外!;错误原因:"&Err.Description&"!</span>")
   Response.End
End if
%>

Tags:ASP 判断 文件

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