SQL存储过程实现分页

DECLARE @pagenum AS INT, @pagesize AS INT
SET @pagenum = 2    --指定显示的页码
SET @pagesize = 3   --每页的条数
SELECT *
FROM (SELECT ROW_NUMBER() OVER(ORDER BY score[字段] DESC, speaker[字段]) AS rownum, *
FROM SpeakerStats[表名]) AS D
WHERE rownum BETWEEN (@pagenum-1)*@pagesize+1 AND @pagenum*@pagesize

DECLARE @pagenum AS INT, @pagesize AS INT
SET @pagenum = 2    --指定显示的页码
SET @pagesize = 3   --每页的条数
SELECT *
FROM(SELECT ROW_NUMBER() over(ORDER BY D_id DESC) AS rownum,a.*,b.*,c.*
FROM(Discuss_Table AS a
INNER JOIN Talk_Table as b
ON a.Titleid=b.T_id)
JOIN User_Table as c
ON a.User_id=c.U_id
WHERE c.UserName='zhangfugui')as tb
WHERE rownum BETWEEN (@pagenum-1)*@pagesize+1 AND @pagenum*@pagesize

CREATE PROCEDURE SP_PAGE
@TableName varchar(50),          --表名
@Fields varchar(5000) = '*',     --字段名(全部字段为*)
@OrderField varchar(5000),       --排序字段(必须支持多字段)
@sqlWhere varchar(5000) = Null,  --条件语句(不需要附加where)
@pageSize int,                   --每页多少条记录
@pageIndex int = 1 ,             --指定当前为第几页
@TotalPage int output,           --返回条数
@OrderType bit                   --设置排序类型,1 升序 0 值则降序
AS
BEGIN
declare @strOrder varchar(400)   --排序类型

BEGIN Tran                       --开始事务
--执行SQL语句拼接
Declare @sqlquery nvarchar(4000);
Declare @totalRecord int;
--计算总记录数
--如果没有条件语句
IF (@SqlWhere='' or @sqlWhere is NULL)
SET @sqlquery = 'select @totalRecord = count(*) from ' + @TableName
ELSE
SET @sqlquery = 'select @totalRecord = count(*) from ' + @TableName + ' where ' + @sqlWhere
--执行查询数据操作
EXEC sp_executesql @sqlquery,N'@totalRecord int OUTPUT',@totalRecord OUTPUT   --计算总记录数

--计算总页数
SET @TotalPage = Ceiling((@totalRecord+0.0)/@pagesize) --计算页总数

IF @OrderType = 0   --如果@OrderType是0,就执行降序
BEGIN
SET @strOrder = ' order by [' + @OrderField +'] desc'
END
ELSE                --升序排列
BEGIN
SET @strOrder = ' order by [' + @OrderField +'] asc'
END

IF (@SqlWhere ='''' or @SqlWhere='' or @sqlWhere is NULL)
SET @sqlquery = 'Select * FROM (select ROW_NUMBER() Over( '+@strOrder+' ) as rowId,' + @Fields + ' from ' + @TableName
ELSE
SET @sqlquery = 'Select * FROM (select ROW_NUMBER() Over( '+@strOrder+' ) as rowId,' + @Fields + ' from ' + @TableName + ' where ' + @SqlWhere

--处理页数超出范围情况
IF @PageIndex<=0
SET @pageIndex = 1

IF @pageIndex>@TotalPage
SET @pageIndex = @TotalPage

--处理开始点和结束点
Declare @StartRecord int
Declare @EndRecord int

--开始节点为1
SET @StartRecord = (@pageIndex-1)*@PageSize + 1
--最后节点为页面节点数
SET @EndRecord = @StartRecord + @pageSize - 1

IF @OrderType = 0
BEGIN
SET @strOrder = ' order by rowid desc'
--如果@OrderType是0，就执行降序，这句很重要！
END
ELSE
BEGIN
SET @strOrder = ' order by rowid asc'
END
--继续合成sql语句
SET @sqlquery = @sqlquery + ') as ' + @TableName + ' where rowId between ' + Convert(varchar(50),@StartRecord) + ' and ' + Convert(varchar(50),@EndRecord) + ' '+@strOrder
-- 执行SQL语句 @sqlquery
Exec(@sqlquery)
---------------------------------------------------
IF @@Error <> 0
BEGIN
ROLLBACK Tran
RETURN -1
END
ELSE
BEGIN
COMMIT Tran
RETURN @totalRecord ---返回记录总数
End
END