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 ：此函數是將一個中文字符串對應拼音母的每個相連 (例如："中國人"->ZGR)
復制代碼 代碼如下:
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：
復制代碼 代碼如下:
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 | | 內蒙古自治區 | N | NMGZZQ | +------------------+-------------------------+--------------------+ 5 rows in set
