强制刷新网页
＜%
’强制性刷新随机验证码
’让随机验证码每次按IE的后退按钮时，返回登录页面的随即码都自动刷新，
Response.expires=-1
Response.AddHeader"pragma","no-cache"
Response.AddHeader"cache-control","no-store"
%＞
判断文件地址是否有效
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’原创作者:小艺 QQ:52093 时间:2005.6.30
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
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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