关于分页办法
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asp | 发表日期:2008-10-5 20:51:48
时间关系，没有经过完全测试，这个是大概意思。
CREATE PROCEDURE getnotes
@forumID varchar(10),
@a_intPageNo int ,
@a_intPageSize int,
@rootID varchar(10)
AS
declare @m_intRecordNumber int
declare @m_intStartRecord int
declare @pagecount int
declare @temp int
declare @end int
declare @sql varchar(500)
declare @bbsname varchar(25)
declare @articles int
declare @manager varchar(30)
declare @selectrootID varchar(500)
declare @temprootID varchar(10)
select @m_intRecordNumber = @a_intPageSize * @a_intPageNo
select @m_intStartRecord = @a_intPageSize * (@a_intPageNo - 1) + 1
set nocount on
select @bbsname=subjectname,@manager=manager,@articles=articles from bbs_subjects where subjectID=@forumID
if @rootID='0'
begin
-- select @sql='declare m_curTemp Scroll cursor for select ID,title,shrink,rootID,orderID,pubtime,hits,bytes,username,email from bbs_forum_'+@forumID+' WHERE rootID in (select distinct rootID from bbs_forum_'+@forumID+' ) order by rootID desc,orderID asc'
select @sql='declare m_curTemp Scroll cursor for select rootID from bbs_forum_'+@forumID+' where rootID=parentID order by rootID desc'
end
else
select @sql='declare m_curTemp Scroll cursor for select ID,title,shrink,rootID,orderID,pubtime,hits,bytes,username,email from bbs_forum_'+@forumID+' where rootID='+@rootID+' order by orderID asc'
exec(@sql)
open m_curTemp
set @pagecount = case
when @@cursor_rows % @a_intPageSize=0 then @@cursor_rows / @a_intPageSize
when @@cursor_rows % @a_intPageSize<>0 then @@cursor_rows / @a_intPageSize+1
end
if @@cursor_rows<@a_intPageSize and @@cursor_rows>0
begin
select @pagecount=1
end
if @rootID='0'
begin
set @temp = 1
set @selectrootID='0'
fetch absolute @m_intStartRecord from m_curTemp into @temprootID
while @@fetch_status = 0 and @temp < @a_intPageSize
begin
set @temp = @temp + 1
select @selectrootID=@selectrootID+','+@temprootID
fetch next from m_curTemp into @temprootID
end
CLOSE m_curTemp
DEALLOCATE m_curTemp
set nocount off
select 'pagecount' = @pagecount
select 'bbsname'=@bbsname
select 'manager'=@manager
select 'articles'=@articles
select @sql='declare curTemp Scroll cursor for select ID,title,shrink,rootID,orderID,Images,pubtime,hits,bytes,username,email from bbs_forum_'+@forumID+' where rootID in ('+@selectrootID+') order by rootID desc,orderID asc'
exec(@sql)
open curTemp
fetch first from curTemp
while @@fetch_status = 0
begin
fetch next from curTemp
end
CLOSE curTemp
DEALLOCATE curTemp
end
else
begin
set @temp = 1
set nocount off
fetch absolute @m_intStartRecord from m_curTemp
while @@fetch_status = 0 and @temp < @a_intPageSize
begin
set @temp = @temp + 1
fetch next from m_curTemp
end
CLOSE m_curTemp
DEALLOCATE m_curTemp
end
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