mysql中文字段转拼音首字母，以及中文拼音模糊查询

创建存储过程，将中文字段转拼音首字母

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CREATE DEFINER=`root`@`%` 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;

中文转拼音

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CREATE DEFINER=`root`@`%` 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;

调用

　　

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1	select upper(pinyin(user_name)) as un,user_name from ecs_users where user_id=63 and upper(pinyin(user_name)) like '%c%';