MySQL 自定义函数 - 根据输入汉字获取拼音首字母

 

 

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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