生成汉子拼音首字母全部的

来源：互联网发布：怎么获取数据库的值编辑：程序博客网时间：2024/06/08 19:13

调试可以使用

#生成全部首字母的拼音DROP FUNCTION IF EXISTS `pinyin`;CREATE FUNCTION `pinyin`(P_NAME VARCHAR(255) CHARSET utf8 ) RETURNS varchar(255) CHARSET utf8BEGIN    DECLARE V_COMPARE VARCHAR(255);    DECLARE V_RETURN VARCHAR(255);DECLARE temp VARCHAR(255);DECLARE py VARCHAR(255);    DECLARE I INT;    SET I = 1;    SET V_RETURN = '';#循环生成所有汉子的拼音首字母    while I < LENGTH(P_NAME) do        SET V_COMPARE = substring(P_NAME, I, 1);        IF (V_COMPARE != '') THEN            #生成单个汉子的首字母SET temp = ASCII((substring(CONVERT( P_NAME USING gbk ),I,1)));#还有中文括号和中文点没有去掉的问题 IF temp > 128 AND temp < 255 THEN  SET py = CHAR(INTERVAL(CONV(HEX(substring(CONVERT( P_NAME USING gbk ),I,1)),16,10),    0xB0A1,0xB0C5,0xB2C1,0xB4EE,0xB6EA,0xB7A2,0xB8C1,0xB9FE,    0xBBF7,0xBBF7,0xBFA6,0xC0AC,0xC2E8,0xC4C3,0xC5B6,0xC5BE,    0xC6DA,0xC8BB,0xC8F6,0xCBFA,0xCDDA,0xCDDA,0xCDDA,0xCEF4,    0xD1B9,0xD4D1)+64);ELSESET py = substring(( P_NAME ),I,1); END IF;            SET V_RETURN = CONCAT(V_RETURN, py);#SET V_RETURN = temp;        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

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