<div class="codebody" id="code64804">
USE [CaiLi]
GO
/** Object: StoredProcedure [dbo].[sqlPagination] Script Date: 10/26/2011 11:40:46 **/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [dbo].[sqlPagination]
/*

千万数量级分页存储过程

参数说明:
1.Tables :表名称,视图
2.PrimaryKey :主关键字
3.Sort :排序语句，不带Order By 比如：NewsID Desc,OrderRows Asc
4.CurrentPage :当前页码
5.PageSize :分页尺寸
6.Filter :过滤语句，不带Where
7.Group :Group语句,不带Group By
***/
(
@Tables varchar(1000),
@PrimaryKey varchar(100),
@Sort varchar(200) = NULL,
@CurrentPage int = 1,
@PageSize int = 10,
@Fields varchar(1000) = '',
@Filter varchar(1000) = NULL,
@Group varchar(1000) = NULL
)
AS
/默认排序/
if @PrimaryKey IS NULL or @PrimaryKey = ''
set @PrimaryKey='ID'
IF @Sort IS NULL or @Sort = ''
SET @Sort = @PrimaryKey
IF @Fields IS NULL or @Fields = ''
SET @Fields = ''
DECLARE @SortTable varchar(100)
DECLARE @SortName varchar(100)
DECLARE @strSortColumn varchar(200)
DECLARE @operator char(2)
DECLARE @type varchar(100)
DECLARE @prec int
/设定排序语句./
if charindex(',@Sort) >0
set @strSortColumn = substring(@Sort,charindex(',@Sort))
else
set @strSortColumn = @Sort
IF CHARINDEX('DESC',@Sort)>0
BEGIN
SET @strSortColumn = REPLACE(@strSortColumn,'DESC','')
SET @operator = '<='
END
ELSE
BEGIN
IF CHARINDEX('ASC',@Sort)> 0
BEGIN
SET @strSortColumn = REPLACE(@strSortColumn,'ASC','')
SET @operator = '>='
END
END
IF CHARINDEX('.',@strSortColumn) > 0
BEGIN
SET @SortTable = SUBSTRING(@strSortColumn,CHARINDEX('.',@strSortColumn))
SET @SortName = SUBSTRING(@strSortColumn,@strSortColumn) + 1,LEN(@strSortColumn))
END
ELSE
BEGIN
SET @SortTable = @Tables
SET @SortName = @strSortColumn
END
Select @type=t.name,@prec=c.prec
FROM sysobjects o
JOIN syscolumns c on o.id=c.id
JOIN systypes t on c.xusertype=t.xusertype
Where o.name = @SortTable AND c.name = @SortName
IF CHARINDEX('char',@type) > 0
SET @type = @type + '(' + CAST(@prec AS varchar) + ')'
DECLARE @strPageSize varchar(50)
DECLARE @strStartRow varchar(50)
DECLARE @strFilter varchar(1000)
DECLARE @strSimpleFilter varchar(1000)
DECLARE @strGroup varchar(1000)
DECLARE @strSort varchar(200)
/默认当前页/
IF @CurrentPage < 1
SET @CurrentPage = 1
/设置分页参数./
SET @strPageSize = CAST(@PageSize AS varchar(50))
SET @strStartRow = CAST(((@CurrentPage - 1)@PageSize + 1) AS varchar(50))
/筛选以及分组语句./
IF @Filter IS NOT NULL AND @Filter != ''
BEGIN
SET @strFilter = ' Where 1=1 ' + @Filter + ' '
SET @strSimpleFilter =@Filter + ' '
END
ELSE
BEGIN
SET @strSimpleFilter = ''
SET @strFilter = ''
END
IF @Group IS NOT NULL AND @Group != ''
SET @strGroup = ' GROUP BY ' + @Group + ' '
ELSE
SET @strGroup = ''
IF @Sort IS NOT NULL AND @Sort != ''
SET @strSort = ' ORDER BY ' + @Sort + ' '
ELSE
SET @strSort = ''
--print('Select ' + @Fields + ' FROM ' + '(Select ,ROW_NUMBER() OVER ('+@strSort+')as RowNumber FROM '+@Tables+') t' + ' Where t.RowNumber between '+@strStartRow+' and '+' ' + @strSimpleFilter + ' ' + @strSort + @strGroup)
/执行查询语句/
declare @STRORDER varchar(50)
if CHARINDEX(',@strSort)>0
set @STRORDER=SUBSTRING(@strSort,@strSort))
else
set @STRORDER=@strSort
EXEC(
' DECLARE @SortColumn ' + @type + '
DECLARE @TotalCount int
DECLARE @ENDCOUNT int
DECLARE @strENDCOUNT varchar(50)
--Select count(1) FROM ' + @Tables + @strFilter+'
set @TotalCount=(Select count(1) FROM ' + @Tables + @strFilter+')'+'
SET ROWCOUNT ' + @strStartRow + '
SET @ENDCOUNT=CAST('+@strStartRow+' AS int)+CAST('+@strPageSize+' AS int)-1
IF @ENDCOUNT > @TotalCount
BEGIN
SET @ENDCOUNT = @TotalCount
END
set @strENDCOUNT=CAST(@ENDCOUNT AS varchar(50))
Select @SortColumn=' + @strSortColumn + ' FROM ' + @Tables + @strFilter + ' ' + @strGroup + @strSort + '
SET ROWCOUNT ' + @strPageSize + '
Select ' + @Fields + ' FROM ' + '(Select *,ROW_NUMBER() OVER ('+@STRORDER+')as RowNumber FROM '+@Tables+' where 1=1 '+@strSimpleFilter+') t' + ' Where t.RowNumber between '+@strStartRow+' and @strENDCOUNT ' + @strGroup + @strSort + ' ')
GO