存储过程分页

---(文/bigeagle)

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。