<%@LANGUAGE="VBSCRIPT"%>
<%
Dim RefreshTime, IdleTime, TotalUsers, OnlineUser(), Tmp(), Num, I, ID
RefreshTime = 10 '設定網頁自動更新時間為10秒
IdleTime = RefreshTime * 3 '設定閒置時間為自動更新時間的3倍
Application.Lock
'OnlineUser陣列記錄了所有連線到此網頁之瀏覽器的SessionID
'清點所有連線到此網頁的瀏覽器, 然後將目前開啟之瀏覽器的SessionID放入陣列的最後
If Application(Session.SessionID & "LastAccessTime") = Empty Then
If Application("TotalUsers") = Empty Then Application("TotalUsers") = 0
ReDim Tmp(Application("TotalUsers") + 1)
Num = 0
If Application("TotalUsers") > 0 Then
For I = LBOUND(Application("OnlineUser")) To UBOUND(Application("OnlineUser"))
ID = Application("OnlineUser")(I)
If ID <> Session.SessionID Then
Tmp(Num) = ID
Num = Num + 1
End If
Next
End If
Tmp(Num) = Session.SessionID
Application("TotalUsers") = Num + 1
ReDim Preserve Tmp(Application("TotalUsers"))
Application("OnlineUser") = Tmp
End If
'記錄目前開啟之瀏覽器的最近存取時間
Application(Session.SessionID & "LastAccessTime") = Timer
'檢查所有連線到此網頁之瀏覽器的最近存取時間, 若與目前時間相差30秒以上, 表示結束連線
ReDim Tmp(Application("TotalUsers"))
Num = 0
For I = 0 To Application("TotalUsers") - 1
ID = Application("OnlineUser")(I)
If (Timer - Application(ID & "LastAccessTime")) < IdleTime Then
Tmp(Num) = ID
Num = Num + 1
Else
Application(ID & "LastAccessTime") = Empty
End If
Next
'Num表示目前線上人數, 若與Application("TotalUsers")不同, 表示中間有人斷線
If Num <> Application("TotalUsers") Then
ReDim Preserve Tmp(Num)
Application("OnlineUser") = Tmp
Application("TotalUsers") = Num
End If
Application.UnLock
%>
San Huei
