实现通讯录首字母分组的sql语句.麻烦进来看看

[CzpCtrl]

目前数据表里面没有单独一个字段用来储存字母,由于数据有一部分来源是导入的,所以也不能考虑加字段.需根据名称来分组,然后展示.大家帮忙看看.

[中国风]

数据量不大，用个函数取首字母 反之 用一个本栏位记录首字母 百度一下一堆 我的BLOG放有生成拼音你可参照 http://blog.csdn.net/roy_88/article/details/8772631

[中国风]

找到一个直接拿去用就行

CREATE FUNCTION f_GetPY(@str nvarchar(4000))
RETURNS nvarchar(4000)
AS
BEGIN
	DECLARE @py TABLE(
		ch char(1),
		hz1 nchar(1) COLLATE Chinese_PRC_CS_AS_KS_WS,
		hz2 nchar(1) COLLATE Chinese_PRC_CS_AS_KS_WS)
	INSERT @py SELECT 'A',N'吖',N'鏊'
	UNION  ALL SELECT 'B',N'八',N'簿'
	UNION  ALL SELECT 'C',N'嚓',N'错'
	UNION  ALL SELECT 'D',N'哒',N'跺'
	UNION  ALL SELECT 'E',N'屙',N'贰'
	UNION  ALL SELECT 'F',N'发',N'馥'
	UNION  ALL SELECT 'G',N'旮',N'过'
	UNION  ALL SELECT 'H',N'铪',N'蠖'
	UNION  ALL SELECT 'J',N'丌',N'竣'
	UNION  ALL SELECT 'K',N'咔',N'廓'
	UNION  ALL SELECT 'L',N'垃',N'雒'
	UNION  ALL SELECT 'M',N'妈',N'穆'
	UNION  ALL SELECT 'N',N'拿',N'糯'
	UNION  ALL SELECT 'O',N'噢',N'沤'
	UNION  ALL SELECT 'P',N'趴',N'曝'
	UNION  ALL SELECT 'Q',N'七',N'群'
	UNION  ALL SELECT 'R',N'蚺',N'箬'
	UNION  ALL SELECT 'S',N'仨',N'锁'
	UNION  ALL SELECT 'T',N'他',N'箨'
	UNION  ALL SELECT 'W',N'哇',N'鋈'
	UNION  ALL SELECT 'X',N'夕',N'蕈'
	UNION  ALL SELECT 'Y',N'丫',N'蕴'
	UNION  ALL SELECT 'Z',N'匝',N'做'
	DECLARE @i int
	SET @i=PATINDEX('%[吖-做]%' COLLATE Chinese_PRC_CS_AS_KS_WS,@str)
	WHILE @i>0
		SELECT @str=REPLACE(@str,SUBSTRING(@str,@i,1),ch)
			,@i=PATINDEX('%[吖-做]%' COLLATE Chinese_PRC_CS_AS_KS_WS,@str)
		FROM @py
		WHERE SUBSTRING(@str,@i,1) BETWEEN hz1 AND hz2
	RETURN(@str)
END
GO
SELECT LEN(LEFT(姓名,1)) AS 首字母 FROM dbo.TabName

[中国风]

1--取第1个字 姓氏，如果有复姓时，你必须用一个列单独存储姓氏

[CzpCtrl]

引用 2 楼 roy_88 的回复:

找到一个直接拿去用就行

CREATE FUNCTION f_GetPY(@str nvarchar(4000))
RETURNS nvarchar(4000)
AS
BEGIN
	DECLARE @py TABLE(
		ch char(1),
		hz1 nchar(1) COLLATE Chinese_PRC_CS_AS_KS_WS,
		hz2 nchar(1) COLLATE Chinese_PRC_CS_AS_KS_WS)
	INSERT @py SELECT 'A',N'吖',N'鏊'
	UNION  ALL SELECT 'B',N'八',N'簿'
	UNION  ALL SELECT 'C',N'嚓',N'错'
	UNION  ALL SELECT 'D',N'哒',N'跺'
	UNION  ALL SELECT 'E',N'屙',N'贰'
	UNION  ALL SELECT 'F',N'发',N'馥'
	UNION  ALL SELECT 'G',N'旮',N'过'
	UNION  ALL SELECT 'H',N'铪',N'蠖'
	UNION  ALL SELECT 'J',N'丌',N'竣'
	UNION  ALL SELECT 'K',N'咔',N'廓'
	UNION  ALL SELECT 'L',N'垃',N'雒'
	UNION  ALL SELECT 'M',N'妈',N'穆'
	UNION  ALL SELECT 'N',N'拿',N'糯'
	UNION  ALL SELECT 'O',N'噢',N'沤'
	UNION  ALL SELECT 'P',N'趴',N'曝'
	UNION  ALL SELECT 'Q',N'七',N'群'
	UNION  ALL SELECT 'R',N'蚺',N'箬'
	UNION  ALL SELECT 'S',N'仨',N'锁'
	UNION  ALL SELECT 'T',N'他',N'箨'
	UNION  ALL SELECT 'W',N'哇',N'鋈'
	UNION  ALL SELECT 'X',N'夕',N'蕈'
	UNION  ALL SELECT 'Y',N'丫',N'蕴'
	UNION  ALL SELECT 'Z',N'匝',N'做'
	DECLARE @i int
	SET @i=PATINDEX('%[吖-做]%' COLLATE Chinese_PRC_CS_AS_KS_WS,@str)
	WHILE @i>0
		SELECT @str=REPLACE(@str,SUBSTRING(@str,@i,1),ch)
			,@i=PATINDEX('%[吖-做]%' COLLATE Chinese_PRC_CS_AS_KS_WS,@str)
		FROM @py
		WHERE SUBSTRING(@str,@i,1) BETWEEN hz1 AND hz2
	RETURN(@str)
END
GO
SELECT LEN(LEFT(姓名,1)) AS 首字母 FROM dbo.TabName

引用 2 楼 roy_88 的回复:

找到一个直接拿去用就行

CREATE FUNCTION f_GetPY(@str nvarchar(4000))
RETURNS nvarchar(4000)
AS
BEGIN
	DECLARE @py TABLE(
		ch char(1),
		hz1 nchar(1) COLLATE Chinese_PRC_CS_AS_KS_WS,
		hz2 nchar(1) COLLATE Chinese_PRC_CS_AS_KS_WS)
	INSERT @py SELECT 'A',N'吖',N'鏊'
	UNION  ALL SELECT 'B',N'八',N'簿'
	UNION  ALL SELECT 'C',N'嚓',N'错'
	UNION  ALL SELECT 'D',N'哒',N'跺'
	UNION  ALL SELECT 'E',N'屙',N'贰'
	UNION  ALL SELECT 'F',N'发',N'馥'
	UNION  ALL SELECT 'G',N'旮',N'过'
	UNION  ALL SELECT 'H',N'铪',N'蠖'
	UNION  ALL SELECT 'J',N'丌',N'竣'
	UNION  ALL SELECT 'K',N'咔',N'廓'
	UNION  ALL SELECT 'L',N'垃',N'雒'
	UNION  ALL SELECT 'M',N'妈',N'穆'
	UNION  ALL SELECT 'N',N'拿',N'糯'
	UNION  ALL SELECT 'O',N'噢',N'沤'
	UNION  ALL SELECT 'P',N'趴',N'曝'
	UNION  ALL SELECT 'Q',N'七',N'群'
	UNION  ALL SELECT 'R',N'蚺',N'箬'
	UNION  ALL SELECT 'S',N'仨',N'锁'
	UNION  ALL SELECT 'T',N'他',N'箨'
	UNION  ALL SELECT 'W',N'哇',N'鋈'
	UNION  ALL SELECT 'X',N'夕',N'蕈'
	UNION  ALL SELECT 'Y',N'丫',N'蕴'
	UNION  ALL SELECT 'Z',N'匝',N'做'
	DECLARE @i int
	SET @i=PATINDEX('%[吖-做]%' COLLATE Chinese_PRC_CS_AS_KS_WS,@str)
	WHILE @i>0
		SELECT @str=REPLACE(@str,SUBSTRING(@str,@i,1),ch)
			,@i=PATINDEX('%[吖-做]%' COLLATE Chinese_PRC_CS_AS_KS_WS,@str)
		FROM @py
		WHERE SUBSTRING(@str,@i,1) BETWEEN hz1 AND hz2
	RETURN(@str)
END
GO
SELECT LEN(LEFT(姓名,1)) AS 首字母 FROM dbo.TabName

请问这里的1该替换成什么值啊