用ASP判断文件地址是否有效

时间:2008-10-07 12:21:20  来源:第二电脑网上收集  作者:

  第二电脑网导读:;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,fal...
  正文:

<%
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
'webjx.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
%>

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