下拉菜单做翻页的通用代码

这是一个用下拉菜单来做翻页的通用代码，我觉得这样做比较省空间，蛮好的
其实这个代码就是老外的那个翻页插件，后来是哪位好朋友（不好意思，忘了）修改后放在论坛上的，我还做成过插件，其实光是拷贝也挺方便的。
还有最后一段是前后翻页的按钮，呵呵，这个还是ccjat提醒后加上的，用不用都随便咯。

<%
记录集名字_total = 记录集名字.RecordCount

If (记录集名字_numRows < 0) Then
记录集名字_numRows = 记录集名字_total
Elseif (记录集名字_numRows = 0) Then
记录集名字_numRows = 1
End If

记录集名字_first = 1
记录集名字_last = 记录集名字_first + 记录集名字_numRows - 1

If (记录集名字_total <> -1) Then
If (记录集名字_first > 记录集名字_total) Then 记录集名字_first = 记录集名字_total
If (记录集名字_last > 记录集名字_total) Then 记录集名字_last = 记录集名字_total
If (记录集名字_numRows > 记录集名字_total) Then 记录集名字_numRows = 记录集名字_total
End If
%>
<%

If (记录集名字_total = -1) Then

记录集名字_total=0
While (Not 记录集名字.EOF)
记录集名字_total = 记录集名字_total + 1
记录集名字.MoveNext
Wend

If (记录集名字.CursorType > 0) Then
记录集名字.MoveFirst
Else
记录集名字.Requery
End If

If (记录集名字_numRows < 0 Or 记录集名字_numRows > 记录集名字_total) Then
记录集名字_numRows = 记录集名字_total
End If

记录集名字_first = 1
记录集名字_last = 记录集名字_first + 记录集名字_numRows - 1
If (记录集名字_first > 记录集名字_total) Then 记录集名字_first = 记录集名字_total
If (记录集名字_last > 记录集名字_total) Then 记录集名字_last = 记录集名字_total

End If
%>
<%
Set MM_rs = 记录集名字
MM_rsCount = 记录集名字_total
MM_size = 记录集名字_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
%>

<%
if (Not MM_paramIsDefined And MM_rsCount <> 0) then

r = Request.QueryString("index")
If r = "" Then r = Request.QueryString("offset")
If r <> "" Then MM_offset = Int(r)

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

i = 0
While ((Not MM_rs.EOF) And (i < MM_offset Or MM_offset = -1))
MM_rs.MoveNext
i = i + 1
Wend
If (MM_rs.EOF) Then MM_offset = i ' set MM_offset to the last possible record

End If
%>
<%

If (MM_rsCount = -1) Then

i = MM_offset
While (Not MM_rs.EOF And (MM_size < 0 Or i < MM_offset + MM_size))
MM_rs.MoveNext
i = i + 1
Wend

If (MM_rs.EOF) Then
MM_rsCount = i
If (MM_size < 0 Or MM_size > MM_rsCount) Then MM_size = MM_rsCount
End If

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

If (MM_rs.CursorType > 0) Then
MM_rs.MoveFirst
Else
MM_rs.Requery
End If

i = 0
While (Not MM_rs.EOF And i < MM_offset)
MM_rs.MoveNext
i = i + 1
Wend
End If
%>
<%

记录集名字_first = MM_offset + 1
记录集名字_last = MM_offset + MM_size
If (MM_rsCount <> -1) Then
If (记录集名字_first > MM_rsCount) Then 记录集名字_first = MM_rsCount
If (记录集名字_last > MM_rsCount) Then 记录集名字_last = MM_rsCount
End If

MM_atTotal = (MM_rsCount <> -1 And MM_offset + MM_size >= MM_rsCount)
%>

<%

MM_removeList = "&index="
If (MM_paramName <> "") Then MM_removeList = MM_removeList & "&" & MM_paramName & "="
MM_keepURL="":MM_keepForm="":MM_keepBoth="":MM_keepNone=""

For Each Item In Request.QueryString
NextItem = "&" & Item & "="
If (InStr(1,MM_removeList,NextItem,1) = 0) Then
MM_keepURL = MM_keepURL & NextItem & Server.URLencode(Request.QueryString(Item))
End If
Next

For Each Item In Request.Form
NextItem = "&" & Item & "="
If (InStr(1,MM_removeList,NextItem,1) = 0) Then
MM_keepForm = MM_keepForm & NextItem & Server.URLencode(Request.Form(Item))
End If
Next

MM_keepBoth = MM_keepURL & MM_keepForm
if (MM_keepBoth <> "") Then MM_keepBoth = Right(MM_keepBoth, Len(MM_keepBoth) - 1)
if (MM_keepURL <> "") Then MM_keepURL = Right(MM_keepURL, Len(MM_keepURL) - 1)
if (MM_keepForm <> "") Then MM_keepForm = Right(MM_keepForm, Len(MM_keepForm) - 1)

Function MM_joinChar(firstItem)
If (firstItem <> "") Then
MM_joinChar = "&"
Else
MM_joinChar = ""
End If
End Function
%>
<%
MM_keepMove = MM_keepBoth
MM_moveParam = "index"

If (MM_size > 0) Then
MM_moveParam = "offset"
If (MM_keepMove <> "") Then
params = Split(MM_keepMove, "&")
MM_keepMove = ""
For i = 0 To UBound(params)
nextItem = Left(params(i), InStr(params(i),"=") - 1)
If (StrComp(nextItem,MM_moveParam,1) <> 0) Then
MM_keepMove = MM_keepMove & "&" & params(i)
End If
Next
If (MM_keepMove <> "") Then
MM_keepMove = Right(MM_keepMove, Len(MM_keepMove) - 1)
End If
End If
End If

If (MM_keepMove <> "") Then MM_keepMove = MM_keepMove & "&"
urlStr = Request.ServerVariables("URL") & "?" & MM_keepMove & MM_moveParam & "="
MM_moveFirst = urlStr & "0"
MM_moveLast = urlStr & "-1"
MM_moveNext = urlStr & Cstr(MM_offset + MM_size)
prev = MM_offset - MM_size
If (prev < 0) Then prev = 0
MM_movePrev = urlStr & Cstr(prev)
%>
<script language="JavaScript">
function jumpage(selObj,restore){
eval("location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;}
</script>

<select name="pages" size=1 onChange="jumpage(this,0)" class="txtfld">
<%
TM_counter = 0
For i = 1 to 记录集名字_total Step MM_size
TM_counter = TM_counter + 1
TM_PageEndCount = i + MM_size - 1
if TM_PageEndCount > 记录集名字_total Then TM_PageEndCount = 记录集名字_total
if i <> MM_offset + 1 then
%>
<option value="<%=Request.ServerVariables("URL") & "?" & MM_keepMove & "offset=" & i-1 %>">
第 <%= TM_counter %> 页</option>
<% else %>
<option selected>第 <%=TM_counter%> 页</option>
<% End if %>
<% next %>
</select>
<input type="button" class="INPUT" onclick="location.href='<%=MM_movePrev%>'" value="|" style="FONT-FAMILY: 'Wingdings 3'" <% If MM_offset <> 0 Then
response.write ""
else
response.write "disabled"
end if %>>
<input type="button" class="INPUT" onclick="location.href='<%=MM_moveNext%>'" value="}" style="FONT-FAMILY: 'Wingdings 3'" <% If Not MM_atTotal Then
response.write ""
else
response.write "disabled"
end if %>>

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