SQL 实现行列转换示例
/*******************************************************************
*** 动态日期行转列 ***
***
*** ***
*******************************************************************
*** 编写： BY 轮子 ***
*** 2013-04-12 ***
******************************************************************/
-- 含日期的记录实现以日期为列动态按生产日期显示
--创建测试数据库
USE [Office]
GO
/****** Object: Table [dbo].[test03] Script Date: 04/12/2013 10:36:42 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [#test03](
[序号] [varchar](50) NULL,
[日期] [datetime] NULL,
[计划单号] [varchar](50) NULL,
[客户] [varchar](50) NULL,
[产品名称] [varchar](50) NULL,
[实际产出量] [int] NULL,
[单位] [varchar](50) NULL,
[分类] [varchar](50) NULL,
[工序] [varchar](50) NULL
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
--插入测试数据
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'622', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13S03-026', N'FH09-B门页', 5, N'扇', N'门扇', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'623', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13y03-036', N'门套板', 5, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'624', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13y03-036', N'门套线', 30, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'625', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13y03-032', N'FM02-门页', 5, N'扇', N'门扇', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'626', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13y03-032', N'门套板', 5, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'627', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13S02-010', N'门套线', 30, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'628', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s02-010', N'底座', 2, N'个', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'629', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s02-010', N'上门套线', 2, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'630', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s02-010', N'门套板', 12, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'631', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s02-010', N'门套线', 80, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'632', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s02-010', N'门头', 5, N'个', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'633', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13S03-026', N'门套板', 1, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'634', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-026', N'门套线', 12, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'635', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-014', N'门套板', 2, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'636', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-014', N'门套线', 12, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'637', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-014', N'门套板', 5, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'638', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-020', N'门套线', 63, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'639', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-020', N'双面套', 3, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'640', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-020', N'单面套', 5, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'641', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-021', N'YG10门页', 5, N'扇', N'门扇', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'642', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-022', N'门套板', 5, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'643', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-022', N'门套线', 25, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'644', CAST(0x0000A19300000000 AS DateTime), N'00:00:00.000', N'13s03-022', N'门头', 5, N'个', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'645', CAST(0x0000A19400000000 AS DateTime), N'00:00:00.000', N'13s03-022', N'YG02门页', 5, N'扇', N'门扇', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'646', CAST(0x0000A19400000000 AS DateTime), N'00:00:00.000', N'13Y02-010', N'门套板', 5, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'647', CAST(0x0000A19400000000 AS DateTime), N'00:00:00.000', N'13Y02-010', N'门套线', 30, N'根', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'648', CAST(0x0000A19400000000 AS DateTime), N'00:00:00.000', N'13Y02-010', N'双开门', 1, N'扇', N'门扇', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'649', CAST(0x0000A19400000000 AS DateTime), N'00:00:00.000', N'13Y02-010', N'木饰面', 1, N'块', N'其他', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'650', CAST(0x0000A19500000000 AS DateTime), N'00:00:00.000', N'13Y02-010', N'门套板', 1, N'套', N'门套', N'木工')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'651', CAST(0x0000A19500000000 AS DateTime), N'00:00:00.000', N'13Y02-010', N'门页', 5, N'扇', N'门扇', N'油漆')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'652', CAST(0x0000A19500000000 AS DateTime), N'00:00:00.000', N'13Y02-010', N'门页', 5, N'扇', N'门扇', N'油漆')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'653', CAST(0x0000A19500000000 AS DateTime), N'00:00:00.000', N'13S03-026', N'门页', 2, N'扇', N'门扇', N'油漆')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'654', CAST(0x0000A19500000000 AS DateTime), N'00:00:00.000', N'13S03-026', N'门页', 2, N'扇', N'门扇', N'油漆')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'655', CAST(0x0000A19600000000 AS DateTime), N'00:00:00.000', N'13S03-026', N'门页', 5, N'扇', N'门扇', N'油漆')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'656', CAST(0x0000A19600000000 AS DateTime), N'00:00:00.000', N'13S2-010', N'门套线', 30, N'根', N'其他', N'油漆')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'657', CAST(0x0000A19600000000 AS DateTime), N'00:00:00.000', N'13S2-010', N'门套板', 30, N'套', N'门套', N'油漆')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'658', CAST(0x0000A19700000000 AS DateTime), N'00:00:00.000', N'12S12-011', N'门页', 18, N'扇', N'门扇', N'包装')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'659', CAST(0x0000A19700000000 AS DateTime), N'00:00:00.000', N'13S3-017', N'门套', 18, N'套', N'门套', N'包装')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'660', CAST(0x0000A19700000000 AS DateTime), N'00:00:00.000', N'12Y12-011', N'门页', 4, N'扇', N'门扇', N'包装')
INSERT [#test03] ([序号], [日期], [计划单号], [客户], [产品名称], [实际产出量], [单位], [分类], [工序]) VALUES (N'661', CAST(0x0000A19800000000 AS DateTime), N'00:00:00.000', N'12Y12-011', N'门套', 4, N'套', N'门套', N'包装')
----
-- 显示记录
select * from [#test03]
-- 以日期条件作为统计字段
declare @strSQL nvarchar(4000)
set @strSQL=''
Select
@strSQL = @strSQL + ' ,' + QUOTENAME( convert(varchar(10),[日期],120)) +'= sum( case when convert(varchar(10),[日期],120) ='+QUOTENAME( convert(varchar(10),[日期],120),'''')+' then [实际产出量] else 0 end)' + CHAR(10)
from #test03
--where [日期] >= '2013-04-1' --
group BY convert(varchar(10),[日期],120) order by convert(varchar(10),[日期],120)
print '--行列转换查询动态列'
print @strSQL
/*
-- QUOTENAME -示例
select QUOTENAME( convert(varchar(10),GETDATE (),120)),QUOTENAME( convert(varchar(10),GETDATE (),120),'''')
--*/
-- 实现行列转换
set @strSQL='SELECT'
+ CHAR (10) + ' [工序]'
+ CHAR (10) + ' ,[分类]'
+ CHAR (10) + @strSQL
+ CHAR (10) + ' ,[合计]=sum( [实际产出量]) '
+ CHAR (10) + 'FROM [#test03] a '
+ CHAR (10) + ' --WHERE [日期] >= ''2013-04-1'' '
+ char(10) + 'GROUP BY 分类,工序'
exec(@strSQL)
print '--行列转换查询语句'
print @strSQL
/*
-- 动态生成日期列的查询语句
SELECT
[工序]
,[分类]
,[2013-04-01]= sum( case when convert(varchar(10),[日期],120) ='2013-04-01' then [实际产出量] else 0 end)
,[2013-04-02]= sum( case when convert(varchar(10),[日期],120) ='2013-04-02' then [实际产出量] else 0 end)
,[2013-04-03]= sum( case when convert(varchar(10),[日期],120) ='2013-04-03' then [实际产出量] else 0 end)
,[2013-04-04]= sum( case when convert(varchar(10),[日期],120) ='2013-04-04' then [实际产出量] else 0 end)
,[合计]=sum( [实际产出量])
FROM [#test03] a
--WHERE [日期] >= '2013-04-1'
GROUP BY 分类,工序
--*/
drop table [#test03]
/*
--结果
工序 分类 2013-04-01 2013-04-02 2013-04-03 2013-04-04 合计
包装 门扇 0 0 0 22 22
包装 门套 0 0 0 22 22
木工 门扇 15 6 0 0 21
木工 门套 43 5 1 0 49
木工 其他 266 31 0 0 297
油漆 门扇 0 0 14 5 19
油漆 门套 0 0 0 30 30
油漆 其他 0 0 0 30 30
--*/
以上来自论坛帖子，觉得很不错，做一下注解，作为范例和大家分享