强制刷新网页
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’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.AddHeaderpragma,no-cache
Response.AddHeadercache-control,no-store
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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()
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,)<>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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