asp防刷新函数

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 "
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
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