ASP判断文件地址是否有效
2018-09-06 11:40
<%
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-
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
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
%>