强制刷新和判断文件地址
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【下载文档: 强制刷新和判断文件地址.txt 】
强制刷新和判断文件地址
复制代码 代码如下: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复制代码 代码如下:<% '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 %>