ASP判断文件地址是否有效! - diva8.com-资讯中心

<%
'原创作者:小艺 QQ:52093 时间:2005.6.30
Response.Write("<head><style></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("请先输入文件地址!")
 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("建立连接失败,文件不存在或网络有问题!;错误原因:"&Err.Description&"！")
 Response.End
 End if
End Function
'www.knowsky.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(""& ii &" × ")
 Else
 Response.Write(""& ii &" √ ")
 End if
Next

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