【转载】MSSQL汉字首字母查询处理自定义函数

本文主要是介绍【转载】MSSQL汉字首字母查询处理自定义函数，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

-- 汉字首字母查询处理用户定义函数
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

这篇关于【转载】MSSQL汉字首字母查询处理自定义函数的文章就介绍到这儿，希望我们推荐的文章对大家有所帮助，也希望大家多多支持为之网！