fristPinyin : 此函数是将一个中文字符串的第一个汉字转成拼音字母 (例如:"中国人"->Z)
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)
Sql代码
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
mysql>selectp.province,fristPinyin(p.province),pinyin(p.province)fromprovincep;+------------------+-------------------------+--------------------+|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||辽宁省|L|LNS||吉林省|J|JLS||黑龙江省|H|HLJS||上海市|S|SHS||江苏省|J|JSS||浙江省|Z|ZJS||安徽省|A|AHS||福建省|F|FJS||江西省|J|JXS||山东省|S|SDS||河南省|H|HNS||湖北省|H|HBS||湖南省|H|HNS||广东省|G|GDS||广西壮族自治区|G|GXZZZZQ||海南省|H|HNS||重庆市|Z|ZQS||四川省|S|SCS||贵州省|G|GZS||云南省|Y|YNS||西藏自治区|X|XCZZQ||陕西省|S|SXS||甘肃省|G|GSS||青海省|Q|QHS||宁夏回族自治区|N|NXHZZZQ||新疆维吾尔自治区|X|XJWWEZZQ||台湾省|T|TWS||香港特别行政区|X|XGTBXZQ||澳门特别行政区|A|AMTBXZQ|+------------------+-------------------------+--------------------+34rowsinsetmysql>