利用SQL未公开的存储过程实现分页

if   exists   (select   *   from   dbo.sysobjects   where   id   =   object_id(N'[dbo].[p_splitpage]')   and   OBJECTPROPERTY(id,   N'IsProcedure')   =   1)   
  drop   procedure   [dbo].[p_splitpage]   
  GO   
    
  --利用SQL未公开的存储过程实现分页   
  create   procedure   p_splitpage         
  @sql   nvarchar(4000), --要执行的sql语句   
  @currentpage   int=2,   --要显示的页码   
  @pagesize   int=10, --每页的大小   
  @recordcount   int=0   out, --记录数   
  @pagecount   int=0   out --总页数   
  as   
  set   nocount   on   
  declare   @p1   int   
    
  exec   sp_cursoropen   @p1   output,@sql,@scrollopt=1,@ccopt=1,@rowcount=@pagecount   output   
    
  select   @recordcount=@pagecount,@pagecount=ceiling(1.0*@pagecount/@pagesize)       ,@currentpage=(@currentpage-1)*@pagesize+1       
  select   @recordcount   recordcount   ,@pagecount     pagecount,@currentpage     currentpage   
  exec   sp_cursorfetch   @p1,16,@currentpage,@pagesize     
  exec   sp_cursorclose   @p1   
  go