sql server分页存储过程

利用表变量实现分页

一、

 

代码
CREATE PROCEDURE [dbo].[GetRecordFromPage]
@SelectList VARCHAR(2000), --欲选择字段列表
@TableSource VARCHAR(100), --表名或视图表
@SearchCondition VARCHAR(2000), --查询条件
@OrderExpression VARCHAR(1000), --排序表达式
@PageIndex INT = 1, --页号,从0开始
@PageSize INT = 10 --页尺寸
AS
BEGIN
IF @SelectList IS NULL OR LTRIM(RTRIM(@SelectList)) = ''
BEGIN
SET @SelectList = '*'
END
PRINT @SelectList

SET @SearchCondition = ISNULL(@SearchCondition,'')
SET @SearchCondition = LTRIM(RTRIM(@SearchCondition))
IF @SearchCondition <> ''
BEGIN
IF UPPER(SUBSTRING(@SearchCondition,1,5)) <> 'WHERE'
BEGIN
SET @SearchCondition = 'WHERE ' + @SearchCondition
END
END
PRINT @SearchCondition

SET @OrderExpression = ISNULL(@OrderExpression,'')
SET @OrderExpression = LTRIM(RTRIM(@OrderExpression))
IF @OrderExpression <> ''
BEGIN
IF UPPER(SUBSTRING(@OrderExpression,1,5)) <> 'WHERE'
BEGIN
SET @OrderExpression = 'ORDER BY ' + @OrderExpression
END
END
PRINT @OrderExpression

IF @PageIndex IS NULL OR @PageIndex < 1
BEGIN
SET @PageIndex = 1
END
PRINT @PageIndex
IF @PageSize IS NULL OR @PageSize < 1
BEGIN
SET @PageSize = 10
END
PRINT @PageSize

DECLARE @SqlQuery VARCHAR(4000)

SET @SqlQuery='SELECT '+@SelectList+',RowNumber
FROM
(SELECT
' + @SelectList + ',ROW_NUMBER() OVER( '+ @OrderExpression +') AS RowNumber
FROM
'+@TableSource+' '+ @SearchCondition +') AS RowNumberTableSource
WHERE RowNumber BETWEEN
' + CAST(((@PageIndex - 1)* @PageSize+1) AS VARCHAR)
+ ' AND ' +
CAST((@PageIndex * @PageSize) AS VARCHAR)
PRINT @SqlQuery
SET NOCOUNT ON
EXECUTE(@SqlQuery)
SET NOCOUNT OFF

RETURN @@RowCount
END

 

 

 

 二

 

代码
CREATE PROCEDURE [dbo].[GetRecordFromPage]
@SelectList VARCHAR(2000), --欲选择字段列表
@TableSource VARCHAR(100), --表名或视图表
@SearchCondition VARCHAR(2000), --查询条件
@OrderExpression VARCHAR(1000), --排序表达式
@PageIndex INT = 1, --页号,从0开始
@PageSize INT = 10 --页尺寸
AS
BEGIN
IF @SelectList IS NULL OR LTRIM(RTRIM(@SelectList)) = ''
BEGIN
SET @SelectList = '*'
END
PRINT @SelectList

SET @SearchCondition = ISNULL(@SearchCondition,'')
SET @SearchCondition = LTRIM(RTRIM(@SearchCondition))
IF @SearchCondition <> ''
BEGIN
IF UPPER(SUBSTRING(@SearchCondition,1,5)) <> 'WHERE'
BEGIN
SET @SearchCondition = 'WHERE ' + @SearchCondition
END
END
PRINT @SearchCondition

SET @OrderExpression = ISNULL(@OrderExpression,'')
SET @OrderExpression = LTRIM(RTRIM(@OrderExpression))
IF @OrderExpression <> ''
BEGIN
IF UPPER(SUBSTRING(@OrderExpression,1,5)) <> 'WHERE'
BEGIN
SET @OrderExpression = 'ORDER BY ' + @OrderExpression
END
END
PRINT @OrderExpression

IF @PageIndex IS NULL OR @PageIndex < 1
BEGIN
SET @PageIndex = 1
END
PRINT @PageIndex
IF @PageSize IS NULL OR @PageSize < 1
BEGIN
SET @PageSize = 10
END
PRINT @PageSize

DECLARE @SqlQuery VARCHAR(4000)

SET @SqlQuery='SELECT '+@SelectList+',RowNumber
FROM
(SELECT
' + @SelectList + ',ROW_NUMBER() OVER( '+ @OrderExpression +') AS RowNumber
FROM
'+@TableSource+' '+ @SearchCondition +') AS RowNumberTableSource
WHERE RowNumber BETWEEN
' + CAST(((@PageIndex - 1)* @PageSize+1) AS VARCHAR)
+ ' AND ' +
CAST((@PageIndex * @PageSize) AS VARCHAR)
PRINT @SqlQuery
SET NOCOUNT ON
EXECUTE(@SqlQuery)
SET NOCOUNT OFF

RETURN @@RowCount
END

 

 三、

从数据表中取出第n条到第m条的记录的方法

从publish 表中取出第 n 条到第 m 条的记录:

SELECT TOP m-n+1 *

FROM publish

WHERE (id NOT IN

    (SELECT TOP n-1 id

     FROM publish))

 

id 为publish 表的关键字

 ------------------------

分页方案:

select top 页大小 *

from table1

where id>

(select max (id) from

(select top ((页码-1)*页大小) id from table1 order by id) as T

)

order by id

 

 

全部的sql语句: 

代码
--获取指定页的数据:
CREATE PROCEDURE pagination3
@tblName varchar(255), -- 表名
@strGetFields varchar(1000) = ''*'', -- 需要返回的列
@fldName varchar(255)='''', -- 排序的字段名
@PageSize int = 10, -- 页尺寸
@PageIndex int = 1, -- 页码
@doCount bit = 0, -- 返回记录总数, 非 0 值则返回
@OrderType bit = 0, -- 设置排序类型, 非 0 值则降序
@strWhere varchar(1500) = '''' -- 查询条件 (注意: 不要加 where)
AS

declare @strSQL varchar(5000) -- 主语句
declare @strTmp varchar(110) -- 临时变量
declare @strOrder varchar(400) -- 排序类型

if @doCount != 0
begin
if @strWhere !=''''
set @strSQL = "select count(*) as Total from [" + @tblName + "] where "+@strWhere
else
set @strSQL = "select count(*) as Total from [" + @tblName + "]"
end
--以上代码的意思是如果@doCount传递过来的不是0,就执行总数统计。以下的所有代码都是@doCount为0的情况:
else
begin
if @OrderType != 0
begin
set @strTmp = "<(select min"
set @strOrder = " order by [" + @fldName +"] desc"
--如果@OrderType不是0,就执行降序,这句很重要!
end
else
begin
set @strTmp = ">(select max"
set @strOrder = " order by [" + @fldName +"] asc"
end

if @PageIndex = 1
begin
if @strWhere != ''''

set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ "
        
from [" + @tblName + "] where " + @strWhere + " " + @strOrder
else

set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ "
        
from ["+ @tblName + "] "+ @strOrder
--如果是第一页就执行以上代码,这样会加快执行速度
end
else
begin
--以下代码赋予了@strSQL以真正执行的SQL代码
 
set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["
+ @tblName + "
] where [" + @fldName + "]" + @strTmp + "(["+ @fldName + "])
      
from (select top " + str((@PageIndex-1)*@PageSize) + " ["+ @fldName + "]
      
from [" + @tblName + "]" + @strOrder + ") as tblTmp)"+ @strOrder

if @strWhere != ''''
set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ " from ["
+ @tblName + "
] where [" + @fldName + "]" + @strTmp + "(["
+ @fldName + "
]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
+ @fldName + "
] from [" + @tblName + "] where " + @strWhere + " "
+ @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder
end

end

exec (@strSQL)

GO

 

 

 

 

 

posted on 2010-11-07 13:08  linzheng  阅读(747)  评论(0编辑  收藏  举报

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