标题: 网页播放器连接数据库问题 [打印本页] 作者: ^o^星禾じ☆v 时间: 2010-1-13 03:07 标题: 网页播放器连接数据库问题 ---------------------------------- 连接页面： --------------------------------- <%@LANGUAGE="VBSCRIPT"%> <!--#include file="Connections/conn.asp" --> <% Dim Recordset1 Dim Recordset1_numRows
Set Recordset1 = Server.CreateObject("ADODB.Recordset") Recordset1.ActiveConnection = MM_conn_STRING Recordset1.Source = "SELECT * FROM bbs ORDER BY id ASC" Recordset1.CursorType = 0 Recordset1.CursorLocation = 2 Recordset1.LockType = 1 Recordset1.Open()
Recordset1_numRows = 0 %> <% Dim Repeat1__numRows Dim Repeat1__index
Repeat1__numRows = 5 Repeat1__index = 0 Recordset1_numRows = Recordset1_numRows + Repeat1__numRows %> <% ' *** Recordset Stats, Move To Record, and Go To Record: declare stats variables
Dim Recordset1_total Dim Recordset1_first Dim Recordset1_last
' set the record count Recordset1_total = Recordset1.RecordCount
' set the number of rows displayed on this page If (Recordset1_numRows < 0) Then Recordset1_numRows = Recordset1_total Elseif (Recordset1_numRows = 0) Then Recordset1_numRows = 1 End If
' set the first and last displayed record Recordset1_first = 1 Recordset1_last = Recordset1_first + Recordset1_numRows - 1
' if we have the correct record count, check the other stats If (Recordset1_total <> -1) Then If (Recordset1_first > Recordset1_total) Then Recordset1_first = Recordset1_total End If If (Recordset1_last > Recordset1_total) Then Recordset1_last = Recordset1_total End If If (Recordset1_numRows > Recordset1_total) Then Recordset1_numRows = Recordset1_total End If End If %> <% ' *** Recordset Stats: if we don't know the record count, manually count them
If (Recordset1_total = -1) Then
' count the total records by iterating through the recordset Recordset1_total=0 While (Not Recordset1.EOF) Recordset1_total = Recordset1_total + 1 Recordset1.MoveNext Wend
' reset the cursor to the beginning If (Recordset1.CursorType > 0) Then Recordset1.MoveFirst Else Recordset1.Requery End If
' set the number of rows displayed on this page If (Recordset1_numRows < 0 Or Recordset1_numRows > Recordset1_total) Then Recordset1_numRows = Recordset1_total End If
' set the first and last displayed record Recordset1_first = 1 Recordset1_last = Recordset1_first + Recordset1_numRows - 1 If (Recordset1_first > Recordset1_total) Then Recordset1_first = Recordset1_total End If If (Recordset1_last > Recordset1_total) Then Recordset1_last = Recordset1_total End If
End If %> <% Dim MM_paramName %> <% ' *** Move To Record and Go To Record: declare variables
Dim MM_rs Dim MM_rsCount Dim MM_size Dim MM_uniqueCol Dim MM_offset Dim MM_atTotal Dim MM_paramIsDefined
Dim MM_param Dim MM_index
Set MM_rs = Recordset1 MM_rsCount = Recordset1_total MM_size = Recordset1_numRows MM_uniqueCol = "" MM_paramName = "" MM_offset = 0 MM_atTotal = false MM_paramIsDefined = false If (MM_paramName <> "") Then MM_paramIsDefined = (Request.QueryString(MM_paramName) <> "") End If %> <% ' *** Move To Record: handle 'index' or 'offset' parameter
if (Not MM_paramIsDefined And MM_rsCount <> 0) then
' use index parameter if defined, otherwise use offset parameter MM_param = Request.QueryString("index") If (MM_param = "") Then MM_param = Request.QueryString("offset") End If If (MM_param <> "") Then MM_offset = Int(MM_param) End If
' if we have a record count, check if we are past the end of the recordset If (MM_rsCount <> -1) Then If (MM_offset >= MM_rsCount Or MM_offset = -1) Then ' past end or move last If ((MM_rsCount Mod MM_size) > 0) Then ' last page not a full repeat region MM_offset = MM_rsCount - (MM_rsCount Mod MM_size) Else MM_offset = MM_rsCount - MM_size End If End If End If
' move the cursor to the selected record MM_index = 0 While ((Not MM_rs.EOF) And (MM_index < MM_offset Or MM_offset = -1)) MM_rs.MoveNext MM_index = MM_index + 1 Wend If (MM_rs.EOF) Then MM_offset = MM_index ' set MM_offset to the last possible record End If
End If %> <% ' *** Move To Record: if we dont know the record count, check the display range
If (MM_rsCount = -1) Then
' walk to the end of the display range for this page MM_index = MM_offset While (Not MM_rs.EOF And (MM_size < 0 Or MM_index < MM_offset + MM_size)) MM_rs.MoveNext MM_index = MM_index + 1 Wend
' if we walked off the end of the recordset, set MM_rsCount and MM_size If (MM_rs.EOF) Then MM_rsCount = MM_index If (MM_size < 0 Or MM_size > MM_rsCount) Then MM_size = MM_rsCount End If End If
' if we walked off the end, set the offset based on page size If (MM_rs.EOF And Not MM_paramIsDefined) Then If (MM_offset > MM_rsCount - MM_size Or MM_offset = -1) Then If ((MM_rsCount Mod MM_size) > 0) Then MM_offset = MM_rsCount - (MM_rsCount Mod MM_size) Else MM_offset = MM_rsCount - MM_size End If End If End If
' reset the cursor to the beginning If (MM_rs.CursorType > 0) Then MM_rs.MoveFirst Else MM_rs.Requery End If
' move the cursor to the selected record MM_index = 0 While (Not MM_rs.EOF And MM_index < MM_offset) MM_rs.MoveNext MM_index = MM_index + 1 Wend End If %> <% ' *** Move To Record: update recordset stats
' set the first and last displayed record Recordset1_first = MM_offset + 1 Recordset1_last = MM_offset + MM_size
If (MM_rsCount <> -1) Then If (Recordset1_first > MM_rsCount) Then Recordset1_first = MM_rsCount End If If (Recordset1_last > MM_rsCount) Then Recordset1_last = MM_rsCount End If End If
' set the boolean used by hide region to check if we are on the last record MM_atTotal = (MM_rsCount <> -1 And MM_offset + MM_size >= MM_rsCount) %> <% ' *** Go To Record and Move To Record: create strings for maintaining URL and Form parameters
Dim MM_keepNone Dim MM_keepURL Dim MM_keepForm Dim MM_keepBoth
Dim MM_removeList Dim MM_item Dim MM_nextItem
' create the list of parameters which should not be maintained MM_removeList = "&index=" If (MM_paramName <> "") Then MM_removeList = MM_removeList & "&" & MM_paramName & "=" End If
MM_keepURL="" MM_keepForm="" MM_keepBoth="" MM_keepNone=""
' add the URL parameters to the MM_keepURL string For Each MM_item In Request.QueryString MM_nextItem = "&" & MM_item & "=" If (InStr(1,MM_removeList,MM_nextItem,1) = 0) Then MM_keepURL = MM_keepURL & MM_nextItem & Server.URLencode(Request.QueryString(MM_item)) End If Next
' add the Form variables to the MM_keepForm string For Each MM_item In Request.Form MM_nextItem = "&" & MM_item & "=" If (InStr(1,MM_removeList,MM_nextItem,1) = 0) Then MM_keepForm = MM_keepForm & MM_nextItem & Server.URLencode(Request.Form(MM_item)) End If Next
' create the Form + URL string and remove the intial '&' from each of the strings MM_keepBoth = MM_keepURL & MM_keepForm If (MM_keepBoth <> "") Then MM_keepBoth = Right(MM_keepBoth, Len(MM_keepBoth) - 1) End If If (MM_keepURL <> "") Then MM_keepURL = Right(MM_keepURL, Len(MM_keepURL) - 1) End If If (MM_keepForm <> "") Then MM_keepForm = Right(MM_keepForm, Len(MM_keepForm) - 1) End If
' a utility function used for adding additional parameters to these strings Function MM_joinChar(firstItem) If (firstItem <> "") Then MM_joinChar = "&" Else MM_joinChar = "" End If End Function %> <% ' *** Move To Record: set the strings for the first, last, next, and previous links
Dim MM_keepMove Dim MM_moveParam Dim MM_moveFirst Dim MM_moveLast Dim MM_moveNext Dim MM_movePrev
Dim MM_urlStr Dim MM_paramList Dim MM_paramIndex Dim MM_nextParam
MM_keepMove = MM_keepBoth MM_moveParam = "index"
' if the page has a repeated region, remove 'offset' from the maintained parameters If (MM_size > 1) Then MM_moveParam = "offset" If (MM_keepMove <> "") Then MM_paramList = Split(MM_keepMove, "&") MM_keepMove = "" For MM_paramIndex = 0 To UBound(MM_paramList) MM_nextParam = Left(MM_paramList(MM_paramIndex), InStr(MM_paramList(MM_paramIndex),"=") - 1) If (StrComp(MM_nextParam,MM_moveParam,1) <> 0) Then MM_keepMove = MM_keepMove & "&" & MM_paramList(MM_paramIndex) End If Next If (MM_keepMove <> "") Then MM_keepMove = Right(MM_keepMove, Len(MM_keepMove) - 1) End If End If End If
' set the strings for the move to links If (MM_keepMove <> "") Then MM_keepMove = MM_keepMove & "&" End If
MM_urlStr = Request.ServerVariables("URL") & "?" & MM_keepMove & MM_movePara