ASP判断文件地址是否有效 [复制链接]

发表于 2008-10-23 16:38:54 |显示全部楼层

ASP判断文件地址是否有效

<%

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
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

%>

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ASP判断文件地址是否有效 [复制链接]

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