sql server2005 rownum通用存储过程分页
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER PROCEDURE [dbo].[sp_GetRecordFromPage]
@TableName varchar(350), --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(不用加where)
@pageSize int, --每页多少条记录
@pageIndex int = 1, --指定当前为第几页
@distinct VARCHAR(50)=NULL, --去除重复值,注意只能是一个字段
@top INT=NULL --查询TOP,不传为全部
AS
BEGIN
Declare @sql nvarchar(4000);
Declare @totalRecord int;
DECLARE @totalPage INT;
--计算总记录数
IF (@distinct IS NULL OR @distinct='')
BEGIN
IF (@SqlWhere='' OR @sqlWhere IS NULL)
SET @sql = 'select @totalRecord = count(1) from ' + @TableName
ELSE
SET @sql = 'select @totalRecord = count(1) from ' + @TableName + ' where ' + @sqlWhere
END
ELSE
BEGIN
IF (@SqlWhere='' OR @sqlWhere IS NULL)
SET @sql = 'select @totalRecord = count(distinct ' + @distinct + ') from ' + @TableName
ELSE
SET @sql = 'select @totalRecord = count(distinct ' + @distinct + ') from ' + @TableName + ' where ' + @sqlWhere
END
EXEC sp_executesql @sql,N'@totalRecord int OUTPUT',@totalRecord OUTPUT--计算总记录数
IF(@top>0)
BEGIN
--指定TOP 记录
SET @Fields= 'top ' + CAST(@top AS VARCHAR(20)) + ' ' + @Fields;
--如果总记录数超过TOP数,设总记录数为TOP数
IF(@totalRecord>@top)
SET @totalRecord=@top
END
--计算总页数
SELECT @totalPage=CEILING((@totalRecord+0.0)/@PageSize)
SELECT @totalRecord AS 'fldtotalRecord',@totalPage AS 'fldTotalPage'
IF (@distinct IS NULL OR @distinct='')
BEGIN
IF (@SqlWhere='' or @sqlWhere IS NULL)
SET @sql = 'Select * FROM (select ' + @Fields + ',ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId from ' + @TableName
ELSE
SET @sql = 'Select * FROM (select ' + @Fields + ',ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId from ' + @TableName + ' where ' + @SqlWhere
END
ELSE
BEGIN
IF (@SqlWhere='' or @sqlWhere IS NULL)
SET @sql = 'Select * FROM (select ' + @Fields + ',ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId from ' + @TableName
ELSE
SET @sql = 'Select * FROM (select ' + @Fields + ',ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId from ' + @TableName + ' where ' + @SqlWhere
SET @sql=@sql + ' GROUP BY ' + @distinct;
END
--处理页数超出范围情况
IF @PageIndex<=0
SET @pageIndex = 1
--处理开始点和结束点
DECLARE @StartRecord INT
DECLARE @EndRecord int
SET @StartRecord = (@pageIndex-1)*@PageSize + 1
SET @EndRecord = @StartRecord + @pageSize - 1
--继续合成sql语句
SET @sql = @sql + ') as tempTable where rowId >=' + CONVERT(VARCHAR(50),@StartRecord) + ' and rowid<= ' + CONVERT(VARCHAR(50),@EndRecord)
Exec(@sql)
end