asp防刷新函数
Sub PreventRefresh()
Dim RefreshTime,isRefresh
RefreshTime = 10 '防止刷新时间,单位（秒）
isRefresh = 1 '是否使用防刷新功能，0=否，1=是
If isRefresh = 1 Then
If (Not IsEmpty(Session("RefreshTime"))) And RefreshTime > 0 Then
If DateDiff("s", Session("RefreshTime"), Now()) < RefreshTime Then
Response.Write "<META http-equiv=Content-Type content=text/html; chaRset=gb2312><meta HTTP-EQUIV=REFRESH CONTENT="&RefreshTime&"><br>本页面起用了防刷新机制，请不要在"&RefreshTime&"秒内连续刷新本页面<BR>正在打开页面，请稍后……"
Response.End
Else
Session("RefreshTime") = Now()
End If
Else
Session("RefreshTime") = Now()
End If
End If
End Sub
Public Sub GetUserTodayInfo()
Dim Lastlogin,UserDayInfo
Lastlogin = Request.Cookies("newasp_net")("LastTime")
UserDayInfo = Request.Cookies("newasp_net")("UserToday")
If Not IsDate(LastLogin) Then LastLogin = Now()
On Error Resume Next
If DateDiff("d",LastLogin,Now())<>0 Then
Newasp.Execute("UPDATE [NC_User] SET UserToday='0,0,0,0,0,0',LastTime=" & NowString & " WHERE username='"& Newasp.membername &"' And userid=" & Newasp.memberid)
UserDayInfo = "0,0,0,0,0,0"
Response.Cookies("newasp_net")("UserToday") = UserDayInfo
Response.Cookies("newasp_net")("LastTime") = Now()
End If
UserToday = Split(UserDayInfo, ",")
If Ubound(UserToday) <> 5 Then
Newasp.Execute("UPDATE [NC_User] SET UserToday='0,0,0,0,0,0',LastTime=" & NowString & " WHERE username='"& Newasp.membername &"' And userid=" & Newasp.memberid)
UserDayInfo = "0,0,0,0,0,0"
Response.Cookies("newasp_net")("UserToday") = UserDayInfo
Response.Cookies("newasp_net")("LastTime") = Now()
UserToday = Split(UserDayInfo, ",")
End If
End Sub
Public Function UpdateUserToday(ByVal str)
On Error Resume Next
If Trim(str) <> "" Then
Newasp.Execute("UPDATE [NC_User] SET UserToday='" & str & "' WHERE username='"& Newasp.membername &"' And userid=" & Newasp.memberid)
Response.Cookies("newasp_net")("UserToday") = str
End If
End Function