📄 检测某一文件是否有效.asp
字号:
<html>
<head>
</head>
<script language="vbscript">
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
function CheckUrl(url)
set oSend=createobject("Microsoft.XMLHTTP")
SourceCode = oSend.open ("GET",url,false)
oSend.send()
if instr(bytes2BSTR(oSend.responseBody),"Not Found")<>0 then
msgbox "此文件不存在"
else
msgbox "此文件存在"
end if
End function
</script>
<input name="myurl" id="myurl" type="textfield" value="">
<input type="button" onclick="CheckUrl(myurl.value)" value="检 测">
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