关于分页办法

发表于:2007-06-30来源:作者:点击数: 标签:
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
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

原文转自:http://www.ltesting.net