自己改造的分页存储过程

-- =============================================
-- 创建通用的分页存储过程
-- =============================================
IF EXISTS (
SELECT *
FROM INFORMATION_SCHEMA.ROUTINES
WHERE SPECIFIC_NAME = N'sp_PublicPagination'
)
DROP PROCEDURE sp_PublicPagination
GO

CREATE PROCEDURE sp_PublicPagination
@TableName nvarchar(4000)='', --表名,如users
@PageSize int=20, --每页的记录数,默认为10
@CurrentPage int=1, --表示当前页1
@KeyField nvarchar(100)='ID', --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)='ASC', --关键字的升、降序，默认为升序ASC , 降序为DESC
@Fields nvarchar(4000)='*', --所选择的列名，默认为全选
@Condition nvarchar(4000)='', --where 条件,默认为空
@Order nvarchar(1000)='' --排序条件,默认为空
AS

if @PageSize <=0 or @CurrentPage <0
begin
raiserror('当前页数和每页的记录数都必须大于零！',11,1)
return
end

--设置是升序还是降序
if @KeyAscDesc = 'DESC'
set @KeyAscDesc = '<'
else
set @KeyAscDesc = '>'

--如果条件不为空的话
if @Condition <> ''
set @Condition = ' where ' + @Condition

--以下要拼接SQL语句
declare @SQL nvarchar(4000)

set @SQL = ''
if @CurrentPage = 1
set @SQL = @SQL + 'SELECT Top ' + cast(@PageSize as nvarchar(20)) + ' ' + @Fields + ' FROM ' + @TableName + @Condition + ' ' + @Order
else begin

declare @iTopNum int
set @iTopNum = @PageSize * (@CurrentPage - 1)
set @SQL = @SQL + 'declare @sLastValue nvarchar(1000)' + char(13)
set @SQL = @SQL + 'SELECT Top ' + cast(@iTopNum as nvarchar(20)) + ' @sLastValue=' + @KeyField + ' FROM ' + @TableName + @Condition + ' ' + @Order + char(13)

declare @tempCondition nvarchar(1000)
if @Condition = ''
set @tempCondition = ' where ' + @KeyField + @KeyAscDesc + '@sLastValue '
else
set @tempCondition = ' and ' + @KeyField + @KeyAscDesc + '@sLastValue '
set @SQL = @SQL + 'SELECT Top ' + cast(@PageSize as nvarchar(20)) + ' ' + @Fields + ' FROM ' + @TableName + @Condition + @tempCondition + @Order
end

EXECUTE sp_executesql @SQL

GO

-- =============================================
-- (SQL SERVER 2005)下可以这样分页
-- =============================================
USE AdventureWorks;
GO
WITH OrderedOrders AS
(SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (order by OrderDate)as RowNumber
FROM Sales.SalesOrderHeader )
SELECT *
FROM OrderedOrders
WHERE RowNumber between 50 and 60;