SQL 存储过程分页--在网上找到代码，收藏起来

--这句是执行语句
exec  sp_PublicTurnPage 'student',20,2,'SID','DESC','*','',''

--创建存储过程
create   proc   sp_PublicTurnPage2(
@TBName   nvarchar(2000)='student',--表名,如   pinyin
@PageSize int =10,--每页的记录数,默认为   10
@CurPage int =1,--表示当前页   1
@KeyField nvarchar(100) ='SID',--关键字段名，默认为   ID,该字段要求是表中的索引   或   无重复和不为空的字段
@KeyAscDesc nvarchar(4)='DESC',--关键字的升、降序，默认为升序   ASC   ,   降序为   DESC
@Fields nvarchar(2000)='*',--所选择的列名，默认为全选
@Condition nvarchar(2000)='',--where   条件,默认为空
@Order nvarchar(200)=''--排序条件,默认为空
)as
if   @TBName   =   ''
begin
 raiserror('student',11,1)
 return
end
if   @PageSize   <=0   or   @CurPage   <0
begin
 raiserror('当前页数和每页的记录数都必须大于零！',11,1)
 return
end
if   @KeyAscDesc   =   'DESC'
set   @KeyAscDesc   =   '<'
else
 set   @KeyAscDesc   =   '>'
 if   @Condition   <>   ''
 set   @Condition   =   '   where   '   +   @Condition
 declare   @SQL   nvarchar(2000)

 set   @SQL   =   ''
 if   @CurPage   =   1
 set   @SQL   =   @SQL   +   'SELECT   Top   '   +   cast(@PageSize   as   nvarchar(20))   +   '   '   +   @Fields   +   '   FROM   '   +   @TBName   +   @Condition   +   '   '   +   @Order
else
 begin
  declare   @iTopNum   int
  set   @iTopNum   =   @PageSize   *   (@CurPage   -   1)
  set   @SQL   =   @SQL   +   'declare   @sLastValue   nvarchar(100)'   +   char(13)
  set   @SQL   =   @SQL   +   'SELECT   Top   '   +   cast(@iTopNum   as   nvarchar(20))   +   '   @sLastValue='   +   @KeyField   +   '   FROM   '   +   @TBName   +   @Condition   +   '   '   +   @Order   +   char(13)

  declare   @Condition2   nvarchar(200)
  if   @Condition   =   ''
  set   @Condition2   =   '   where   '   +   @KeyField   +   @KeyAscDesc   +   '@sLastValue   '
 else
  set   @Condition2   =   '   and   '   +   @KeyField   +   @KeyAscDesc   +   '@sLastValue   '
  set   @SQL   =   @SQL   +   'SELECT   Top   '   +   cast(@PageSize   as   nvarchar(20))   +   '   '   +   @Fields   +   '   FROM   '   +   @TBName   +   @Condition   +   @Condition2   +   @Order
 end
 EXECUTE   sp_executesql   @SQL