87,993
社区成员
发帖
与我相关
我的任务
分享/*创建取拼音首字母函数*/
CREATE FUNCTION [dbo].[fn_ChineseToSpell]
(
@strChinese VARCHAR(500) = ''
)
RETURNS VARCHAR(500)
AS
BEGIN /*函数实现开始*/
DECLARE @strLen INT ,
@return VARCHAR(500) ,
@i INT;
DECLARE @n INT ,
@c CHAR(1) ,
@chn NCHAR(1);
SELECT @strLen = LEN(@strChinese) ,
@return = '' ,
@i = 0;
WHILE @i < @strLen
BEGIN /*while循环开始*/
SELECT @i = @i + 1 ,
@n = 63 ,
@chn = SUBSTRING(@strChinese, @i, 1);
IF @chn > 'z'/*原理:“字符串排序以及ASCII码表”*/
SELECT @n = @n + 1 ,
@c = CASE chn
WHEN @chn THEN CHAR(@n)
ELSE @c
END
FROM ( SELECT TOP 27
*
FROM ( SELECT chn = '吖'
UNION ALL
SELECT '八'
UNION ALL
SELECT '嚓'
UNION ALL
SELECT '咑'
UNION ALL
SELECT '妸'
UNION ALL
SELECT '发'
UNION ALL
SELECT '旮'
UNION ALL
SELECT '铪'
UNION ALL
SELECT '丌' /*because have no 'i'*/
UNION ALL
SELECT '丌'
UNION ALL
SELECT '咔'
UNION ALL
SELECT '垃'
UNION ALL
SELECT '嘸'
UNION ALL
SELECT '拏'
UNION ALL
SELECT '噢'
UNION ALL
SELECT '妑'
UNION ALL
SELECT '七'
UNION ALL
SELECT '呥'
UNION ALL
SELECT '仨'
UNION ALL
SELECT '他'
UNION ALL
SELECT '屲' /*no 'u'*/
UNION ALL
SELECT '屲' /*no 'v'*/
UNION ALL
SELECT '屲'
UNION ALL
SELECT '夕'
UNION ALL
SELECT '丫'
UNION ALL
SELECT '帀'
UNION ALL
SELECT @chn
) AS a
ORDER BY chn COLLATE Chinese_PRC_CI_AS
) AS b;
ELSE
SET @c = @chn;
SET @return = @return + @c;
END; /*while循环结束*/
RETURN(@return);
END; /*函数实现结束*/
