存储过程分页

2/20/2001来源:ASP技巧人气:18531

if exists(select * from sysobjects where ID = object_id("up_TopicList"))
   drop PRoc up_TopicList
go

create proc up_TopicList
            @a_ForumID int , @a_intDays int , @a_intPageNo int , @a_intPageSize tinyint
   as
       declare @m_intRecordNumber int
       declare @m_intStartRecord  int
       select @m_intRecordNumber = @a_intPageSize * @a_intPageNo
       select @m_intStartRecord = @a_intPageSize * (@a_intPageNo - 1) + 1

       if @a_intDays = 0                      --如果不限定天数
          begin
                /*求符合条件记录数*/
                select "RecordCount" = count(*)                         
                       from BBS where Layer=1 and ForumID = @a_ForumID

               /*输出纪录*/
               /*首先定义可滚动光标*/
               set rowcount @m_intRecordNumber
               declare m_curTemp Scroll cursor
                       for
                          select a.ID ,a.Title , d.UserName , a.FaceID ,
                                'ContentSize' = datalength(a.Content) ,
                                'TotalChilds' = (select sum(TotalChilds)
                                                        from BBS as b
                                                        where a.RootID = b.RootID) ,
                                'LastReplyTime' = (select max(PostTime)
                                                          from BBS as c
                                                          where a.RootID = c.RootID)
                                from BBS as a
                                     join BBSUser as d on a.UserID = d.ID
                                where Layer=1 and ForumID = @a_ForumID
                                order by RootID desc , Layer , PostTime
               open m_curTemp
               fetch absolute @m_intStartRecord from m_curTemp
               while  @@fetch_status = 0
                      fetch next from m_curTemp

               set rowcount 0
               /*清场*/       
               CLOSE m_curTemp
               DEALLOCATE m_curTemp
          end                      
                          
       else                                --如果限定天数          

          begin
                /*求符合条件记录数*/
                select "RecordCount" = count(*)                         
                       from BBS where Layer=1 and ForumID = @a_ForumID
                                      and dateadd(day , @a_intDays , PostTime) > getdate()

               /*输出纪录*/
               /*首先定义可滚动光标*/
               set rowcount @m_intRecordNumber
               declare m_curTemp Scroll cursor
                       for
                          select a.ID ,a.Title , d.UserName , a.FaceID ,
                                'ContentSize' = datalength(a.Content) ,
                                'TotalChilds' = (select sum(TotalChilds)
                                                        from BBS as b
                                                        where a.RootID = b.RootID) ,
                                'LastReplyTime' = (select max(PostTime)
                                                          from BBS as c
                                                          where a.RootID = c.RootID)
                                from BBS as a
                                     join BBSUser as d on a.UserID = d.ID
                                where Layer=1 and ForumID = @a_ForumID
                                      and dateadd(day , @a_intDays , PostTime) > getdate()
                                order by RootID desc , Layer , PostTime
               open m_curTemp
               fetch absolute @m_intStartRecord from m_curTemp
               while  @@fetch_status = 0
                      fetch next from m_curTemp

               set rowcount 0
               /*清场*/       
               CLOSE m_curTemp
               DEALLOCATE m_curTemp
          end                                                
go


注:若在asp中调用存储过程的command对象为cm,则set rs=cm.execute,然后用set rs=rs.nextrecordset取下一条记录。