MySQL中文转换成拼音的函数

-- 创建汉字拼音对照临时表
CREATE TABLE IF NOT EXISTS `t_base_pinyin` (
`pin_yin_` varchar(255) CHARACTER SET gbk NOT NULL,
`code_` int(11) NOT NULL,
PRIMARY KEY (`code_`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
-- 插入数据
INSERT INTO t_base_pinyin (pin_yin_,code_) VALUES ("a", 20319),("ai", 20317),("an", 20304),("ang", 20295),("ao", 20292),("ba", 20283),("bai", 20265),("ban", 20257),("bang", 20242),("bao", 20230),("bei", 20051),("ben", 20036),("beng", 20032),("bi", 20026),("bian", 20002),("biao", 19990),("bie", 19986),("bin", 19982),("bing", 19976),("bo", 19805),("bu", 19784),("ca", 19775),("cai", 19774),("can", 19763),("cang", 19756),("cao", 19751),("ce", 19746),("ceng", 19741),("cha", 19739),("chai", 19728),("chan", 19725),("chang", 19715),("chao", 19540),("che", 19531),("chen", 19525),("cheng", 19515),("chi", 19500),("chong", 19484),("chou", 19479),("chu", 19467),("chuai", 19289),("chuan", 19288),("chuang", 19281),("chui", 19275),("chun", 19270),("chuo", 19263),("ci", 19261),("cong", 19249),("cou", 19243),("cu", 19242),("cuan", 19238),("cui", 19235),("cun", 19227),("cuo", 19224),("da", 19218),("dai", 19212),("dan", 19038),("dang", 19023),("dao", 19018),("de", 19006),("deng", 19003),("di", 18996),("dian", 18977),("diao", 18961),("die", 18952),("ding", 18783),("diu", 18774),("dong", 18773),("dou", 18763),("du", 18756),("duan", 18741),("dui", 18735),("dun", 18731),("duo", 18722),("e", 18710),("en", 18697),("er", 18696),("fa", 18526),("fan", 18518),("fang", 18501),("fei", 18490),("fen", 18478),("feng", 18463),("fo", 18448),("fou", 18447),("fu", 18446),("ga", 18239),("gai", 18237),("gan", 18231),("gang", 18220),("gao", 18211),("ge", 18201),("gei", 18184),("gen", 18183),("geng", 18181),("gong", 18012),("gou", 17997),("gu", 17988),("gua", 17970),("guai", 17964),("guan", 17961),("guang", 17950),("gui", 17947),("gun", 17931),("guo", 17928),("ha", 17922),("hai", 17759),("han", 17752),("hang", 17733),("hao", 17730),("he", 17721),("hei", 17703),("hen", 17701),("heng", 17697),("hong", 17692),("hou", 17683),("hu", 17676),("hua", 17496),("huai", 17487),("huan", 17482),("huang", 17468),("hui", 17454),("hun", 17433),("huo", 17427),("ji", 17417),("jia", 17202),("jian", 17185),("jiang", 16983),("jiao", 16970),("jie", 16942),("jin", 16915),("jing", 16733),("jiong", 16708),("jiu", 16706),("ju", 16689),("juan", 16664),("jue", 16657),("jun", 16647),("ka", 16474),("kai", 16470),("kan", 16465),("kang", 16459),("kao", 16452),("ke", 16448),("ken", 16433),("keng", 16429),("kong", 16427),("kou", 16423),("ku", 16419),("kua", 16412),("kuai", 16407),("kuan", 16403),("kuang", 16401),("kui", 16393),("kun", 16220),("kuo", 16216),("la", 16212),("lai", 16205),("lan", 16202),("lang", 16187),("lao", 16180),("le", 16171),("lei", 16169),("leng", 16158),("li", 16155),("lia", 15959),("lian", 15958),("liang", 15944),("liao", 15933),("lie", 15920),("lin", 15915),("ling", 15903),("liu", 15889),("long", 15878),("lou", 15707),("lu", 15701),("lv", 15681),("luan", 15667),("lue", 15661),("lun", 15659),("luo", 15652),("ma", 15640),("mai", 15631),("man", 15625),("mang", 15454),("mao", 15448),("me", 15436),("mei", 15435),("men", 15419),("meng", 15416),("mi", 15408),("mian", 15394),("miao", 15385),("mie", 15377),("min", 15375),("ming", 15369),("miu", 15363),("mo", 15362),("mou", 15183),("mu", 15180),("na", 15165),("nai", 15158),("nan", 15153),("nang", 15150),("nao", 15149),("ne", 15144),("nei", 15143),("nen", 15141),("neng", 15140),("ni", 15139),("nian", 15128),("niang", 15121),("niao", 15119),("nie", 15117),("nin", 15110),("ning", 15109),("niu", 14941),("nong", 14937),("nu", 14933),("nv", 14930),("nuan", 14929),("nue", 14928),("nuo", 14926),("o", 14922),("ou", 14921),("pa", 14914),("pai", 14908),("pan", 14902),("pang", 14894),("pao", 14889),("pei", 14882),("pen", 14873),("peng", 14871),("pi", 14857),("pian", 14678),("piao", 14674),("pie", 14670),("pin", 14668),("ping", 14663),("po", 14654),("pu", 14645),("qi", 14630),("qia", 14594),("qian", 14429),("qiang", 14407),("qiao", 14399),("qie", 14384),("qin", 14379),("qing", 14368),("qiong", 14355),("qiu", 14353),("qu", 14345),("quan", 14170),("que", 14159),("qun", 14151),("ran", 14149),("rang", 14145),("rao", 14140),("re", 14137),("ren", 14135),("reng", 14125),("ri", 14123),("rong", 14122),("rou", 14112),("ru", 14109),("ruan", 14099),("rui", 14097),("run", 14094),("ruo", 14092),("sa", 14090),("sai", 14087),("san", 14083),("sang", 13917),("sao", 13914),("se", 13910),("sen", 13907),("seng", 13906),("sha", 13905),("shai", 13896),("shan", 13894),("shang", 13878),("shao", 13870),("she", 13859),("shen", 13847),("sheng", 13831),("shi", 13658),("shou", 13611),("shu", 13601),("shua", 13406),("shuai", 13404),("shuan", 13400),("shuang", 13398),("shui", 13395),("shun", 13391),("shuo", 13387),("si", 13383),("song", 13367),("sou", 13359),("su", 13356),("suan", 13343),("sui", 13340),("sun", 13329),("suo", 13326),("ta", 13318),("tai", 13147),("tan", 13138),("tang", 13120),("tao", 13107),("te", 13096),("teng", 13095),("ti", 13091),("tian", 13076),("tiao", 13068),("tie", 13063),("ting", 13060),("tong", 12888),("tou", 12875),("tu", 12871),("tuan", 12860) ,("tui", 12858),("tun", 12852),("tuo", 12849),("wa", 12838),("wai", 12831),("wan", 12829),("wang", 12812),("wei", 12802),("wen", 12607),("weng", 12597),("wo", 12594),("wu", 12585),("xi", 12556),("xia", 12359),("xian", 12346),("xiang", 12320),("xiao", 12300),("xie", 12120),("xin", 12099),("xing", 12089),("xiong", 12074),("xiu", 12067),("xu", 12058),("xuan", 12039),("xue", 11867),("xun", 11861),("ya", 11847),("yan", 11831),("yang", 11798),("yao", 11781),("ye", 11604),("yi", 11589),("yin", 11536),("ying", 11358),("yo", 11340),("yong", 11339),("you", 11324),("yu", 11303),("yuan", 11097),("yue", 11077),("yun", 11067),("za", 11055),("zai", 11052),("zan", 11045),("zang", 11041),("zao", 11038),("ze", 11024),("zei", 11020),("zen", 11019),("zeng", 11018),("zha", 11014),("zhai", 10838),("zhan", 10832),("zhang", 10815),("zhao", 10800),("zhe", 10790),("zhen", 10780),("zheng", 10764),("zhi", 10587),("zhong", 10544),("zhou", 10533),("zhu", 10519),("zhua", 10331),("zhuai", 10329),("zhuan", 10328),("zhuang", 10322),("zhui", 10315),("zhun", 10309),("zhuo", 10307),("zi", 10296),("zong", 10281),("zou", 10274),("zu", 10270),("zuan", 10262),("zui", 10260),("zun", 10256),("zuo", 10254);

-- 建立汉字转换拼音函数
DROP FUNCTION IF EXISTS to_pinyin;
DELIMITER $
CREATE FUNCTION to_pinyin(NAME VARCHAR(255) CHARSET gbk)
RETURNS VARCHAR(255) CHARSET gbk
BEGIN
DECLARE mycode INT;
DECLARE tmp_lcode VARCHAR(2) CHARSET gbk;
DECLARE lcode INT;

DECLARE tmp_rcode VARCHAR(2) CHARSET gbk;
DECLARE rcode INT;

DECLARE mypy VARCHAR(255) CHARSET gbk DEFAULT '';
DECLARE lp INT;

SET mycode = 0;
SET lp = 1;

SET NAME = HEX(NAME);

WHILE lp < LENGTH(NAME) DO

SET tmp_lcode = SUBSTRING(NAME, lp, 2);
SET lcode = CAST(ASCII(UNHEX(tmp_lcode)) AS UNSIGNED);
SET tmp_rcode = SUBSTRING(NAME, lp + 2, 2);
SET rcode = CAST(ASCII(UNHEX(tmp_rcode)) AS UNSIGNED);
IF lcode > 128 THEN
SET mycode =65536 - lcode * 256 - rcode ;
SELECT CONCAT(mypy,pin_yin_) INTO mypy FROM t_base_pinyin WHERE CODE_ >= ABS(mycode) ORDER BY CODE_ ASC LIMIT 1;
SET lp = lp + 4;
ELSE
SET mypy = CONCAT(mypy,CHAR(CAST(ASCII(UNHEX(SUBSTRING(NAME, lp, 2))) AS UNSIGNED)));
SET lp = lp + 2;
END IF;
END WHILE;
RETURN LOWER(mypy);
END;
$
DELIMITER ;
用法：

select to_pinyin('测试')
输出结果：

to_pinyin('测试')
ceshi

CREATE FUNCTION `fristPinyin`(P_NAME VARCHAR(255)) RETURNS varchar(255) CHARSET utf8
BEGIN
DECLARE V_RETURN VARCHAR(255);
SET V_RETURN = ELT(INTERVAL(CONV(HEX(left(CONVERT(P_NAME USING gbk),1)),16,10),
0xB0A1,0xB0C5,0xB2C1,0xB4EE,0xB6EA,0xB7A2,0xB8C1,0xB9FE,0xBBF7,
0xBFA6,0xC0AC,0xC2E8,0xC4C3,0xC5B6,0xC5BE,0xC6DA,0xC8BB,
0xC8F6,0xCBFA,0xCDDA,0xCEF4,0xD1B9,0xD4D1),
'A','B','C','D','E','F','G','H','J','K','L','M','N','O','P','Q','R','S','T','W','X','Y','Z');
RETURN V_RETURN;
END
pinyin ：此函数是将一个中文字符串对应拼音母的每个相连 (例如："中国人"->ZGR)

CREATE FUNCTION `pinyin`(P_NAME VARCHAR(255)) RETURNS varchar(255) CHARSET utf8
BEGIN
DECLARE V_COMPARE VARCHAR(255);
DECLARE V_RETURN VARCHAR(255);
DECLARE I INT;

SET I = 1;
SET V_RETURN = '';
while I < LENGTH(P_NAME) do
SET V_COMPARE = SUBSTR(P_NAME, I, 1);
IF (V_COMPARE != '') THEN
#SET V_RETURN = CONCAT(V_RETURN, ',', V_COMPARE);
SET V_RETURN = CONCAT(V_RETURN, fristPinyin(V_COMPARE));
#SET V_RETURN = fristPinyin(V_COMPARE);
END IF;
SET I = I + 1;
end while;

IF (ISNULL(V_RETURN) or V_RETURN = '') THEN
SET V_RETURN = P_NAME;
END IF;

RETURN V_RETURN;
END
示例：

mysql> select p.province, fristPinyin(p.province), pinyin(p.province) from province p;
+------------------+-------------------------+--------------------+
| province | fristPinyin(p.province) | pinyin(p.province) |
+------------------+-------------------------+--------------------+
| 北京市 | B | BJS |
| 天津市 | T | TJS |
| 河北省 | H | HBS |
| 山西省 | S | SXS |
| 内蒙古自治区 | N | NMGZZQ |
+------------------+-------------------------+--------------------+
5 rows in set