Sqlserver通用存储过程分页

USE [NetShop]
GO
/****** Object:  StoredProcedure [dbo].[proc_divPage]    Script Date: 10/26/2013 20:34:55 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER procedure [dbo].[proc_divPage]
@sqlStr nvarchar(1000),     ------查询语句
@pageSize int,       ------每页记录数
@pageIndex int,                         ------页号（从1开始），第几页
@key varchar(50),                      ----主键
@orderField varchar(100)                 ---排序字段
/*
SqlServer 通用存储过程
Top 分页
*/
as
--select*from item
declare @Sql varchar(3000)
set @sql = 'select top '+ cast(@pageSize as nvarchar)
+'* from ('+@sqlStr+') T where '
+@key+' not in (
select top ('+cast(@pageSize as nvarchar)
+'* ('+cast(@pageIndex as nvarchar)+'-1)) '+@key
+' from ('+@sqlStr +'  ) TX '
if(len(@orderField)>0)
  begin
    set @sql=@sql+' order by '+@orderField+')  order by'+@orderField
  end
else
   set @sql=@sql+')'
print @sql
exec(@sql)