Sqlserver通用存儲過程分頁

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),     ------查詢語句
@pageSize int,       ------每頁記錄數
@pageIndex int,                         ------頁號（從1開始），第幾頁
@key varchar(50),                      ----主鍵
@orderField varchar(100)                 ---排序字段
/*
SqlServer 通用存儲過程
Top 分頁
*/
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)