create procedure test_p @ipage int, @num int as /* @ipage 頁碼, @num 每頁的記錄數 */
begin
declare @maxpages int, @rcount int /* @maxpages 最大頁碼 */
if @ipage>=100
select @maxpages=ceiling(count(*)/@num) from test
else
select @maxpages=100000
if @ipage<=@maxpages/2
begin
select @rcount=@ipage*@num
set rowcount @rcount
select id=identity(12),name,descs,ddd into #temptable1 from test order by id
select * from #temptable1 where id>=(@ipage-1)*@num and id<= @ipage*@num
end else
begin
select @rcount=(@maxpages-@ipage+1)*@num
set rowcount @rcount
select id=identity(12),name,descs,ddd into #temptable2 from test order by id desc
select id,name, ddd,descs from #temptable2 where id>=(@maxpages-@ipage)*@num and id<= (@maxpages-@ipage+1)*@num order by id desc
endend
/********好事做到底，送個通用版吧************************************/
create procedure splitpage @qry varchar(16384),@ipage int, @num int as /*@qry sql語句, @ipage 頁數, @num 每頁記錄條數 */
begin
declare @maxpages int
declare @rcount int
declare @execsql varchar(16384)
if @ipage>=100
select @maxpages=ceiling(count(*)/@num) from test
else
select @maxpages=100000
if @ipage<=@maxpages/2
begin
select @rcount=@ipage*@num
set rowcount @rcount
set @execsql = stuff(@qry,charindex('select',@qry),6,'select sybid=identity(12),')
set @execsql = stuff(@execsql, charindex('from',@execsql),4,'into #temptable1 from')
set @execsql = @execsql || ' select * from #temptable1 where sybid>' || convert(varchar,(@ipage-1)*@num) || ' and sybid <= ' || convert(varchar,@ipage*@num)
execute (@execsql)
end else
begin
select @rcount=(@maxpages-@ipage+1)*@num
set rowcount @rcount
set @execsql = stuff(@qry,charindex('select',@qry),6,'select sybid=identity(12),')
set @execsql = stuff(@execsql, charindex('from',@execsql),4,'into #temptable1 from')
set @execsql = @execsql || ' order by sybid desc'
set @execsql = @execsql || ' select * from #temptable1 where sybid > ' || convert(varchar,(@maxpages-@ipage)*@num) || ' and sybid <= ' || convert(varchar,(@maxpages-@ipage+1)*@num)
execute (@execsql)
endend
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