日期:2010-09-27  浏览次数:20993 次

这个分页使用的是0游标,也就是Rs.Open Sql,Conn,0,1。但是感觉也快不了多少,10
万条数据的分页时间300多豪秒之间
<%
Class Page
Private CurrPage
Private PageN
Private UrlStr
Private TempStr
Private ErrInfo
Private IsErr
Private TotalRecord
Private TotalPage
Public  PageRs

Private TempA(11)
Private TempB(8)
'------------------------------------------------------------
Private Sub Class_Initialize()
      CurrPage=1'//默认显示当前页为第一页
      PageN=10'//默认每页显示10条数据
      UrlStr="#"
      TempStr=""
      ErrInfo="ErrInfo:"
      IsErr=False
End Sub
Private Sub Class_Terminate()
      If IsObject(PageRs) Then
            PageRs.Close
            Set PageRs=Nothing
      End If
      Erase TempA
      Erase TempB
End Sub
'----------------------------------------------------------
'//获取当前页码
Public Property Let CurrentPage(Val)
      CurrPage=Val
End Property
Public Property Get CurrentPage()
      CurrentPage=CurrPage
End Property
'//获取每页显示条数
Public Property Let PageNum(Val)
      PageN=Val
End Property
Public Property Get PageNum()
      PageNum=PageN
End Property
'//获取URL
Public Property Let Url(Val)
      UrlStr=Val
End Property
Public Property Get Url()
      Url=UrlStr
End Property
'//获取模板
Public Property Let Temp(Val)
      TempStr=Val
End Property
Public Property Get Temp()
      Temp=TempStr
End Property
'------------------------------------------------------------

Public Sub Exec(Sql,ConnObj)
      On Error Resume Next
      Set PageRs=Server.CreateObject("ADODB.RecordSet")
      PageRs.CursorLocation = 3 '使用客户端游标,可以使效率提高
      PageRs.PageSize = PageN '定义分页记录集每页显示记录数
      PageRs.Open Sql,ConnObj,0,1
      If Err.Number<>0 Then
        Err.Clear
     PageRs.Close
     Set PageRs=Nothing
        ErrInfo=ErrInfo&"建立或打开记录集错误..."
     IsErr=True
     Response.Write ErrInfo
     Response.End
      End If
      TotalRecord=PageRs.RecordCount'//如果为0呢?
      If TotalRecord>=1 Then
      '----------------------------------------------------------------------------开始
      '//计算总页数,Ps,为什么不用PageRs.PageCount呢?
      'If TotalRecord Mod PageN=0 Then
        'TotalPage=PageRs.RecordCount\PageN
      'Else
        'TotalPage=PageRs.RecordCount\PageN
     'TotalPage=Abs(Int(TotalPage))
      'End If
   TotalPage=PageRs.PageCount
      '//处理当前接收页码,默认的为1,所以不是数字类型的都会为1
      If IsNumeric(CurrPage) Then
         CurrPage=CLNg(CurrPage)
  &nbs