MySQL自定义中文转拼音函数

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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

 

  1. mysql> select p.province, fristPinyin(p.province), pinyin(p.province) from province p;  
  2. +------------------+-------------------------+--------------------+  
  3. | province         | fristPinyin(p.province) | pinyin(p.province) |  
  4. +------------------+-------------------------+--------------------+  
  5. | 北京市           | B                       | BJS                |  
  6. | 天津市           | T                       | TJS                |  
  7. | 河北省           | H                       | HBS                |  
  8. | 山西省           | S                       | SXS                |  
  9. | 内蒙古自治区     | N                       | NMGZZQ             |  
  10. | 辽宁省           | L                       | LNS                |  
  11. | 吉林省           | J                       | JLS                |  
  12. | 黑龙江省         | H                       | HLJS               |  
  13. | 上海市           | S                       | SHS                |  
  14. | 江苏省           | J                       | JSS                |  
  15. | 浙江省           | Z                       | ZJS                |  
  16. | 安徽省           | A                       | AHS                |  
  17. | 福建省           | F                       | FJS                |  
  18. | 江西省           | J                       | JXS                |  
  19. | 山东省           | S                       | SDS                |  
  20. | 河南省           | H                       | HNS                |  
  21. | 湖北省           | H                       | HBS                |  
  22. | 湖南省           | H                       | HNS                |  
  23. | 广东省           | G                       | GDS                |  
  24. | 广西壮族自治区   | G                       | GXZZZZQ            |  
  25. | 海南省           | H                       | HNS                |  
  26. | 重庆市           | Z                       | ZQS                |  
  27. | 四川省           | S                       | SCS                |  
  28. | 贵州省           | G                       | GZS                |  
  29. | 云南省           | Y                       | YNS                |  
  30. | 西藏自治区       | X                       | XCZZQ              |  
  31. | 陕西省           | S                       | SXS                |  
  32. | 甘肃省           | G                       | GSS                |  
  33. | 青海省           | Q                       | QHS                |  
  34. | 宁夏回族自治区   | N                       | NXHZZZQ            |  
  35. | 新疆维吾尔自治区 | X                       | XJWWEZZQ           |  
  36. | 台湾省           | T                       | TWS                |  
  37. | 香港特别行政区   | X                       | XGTBXZQ            |  
  38. | 澳门特别行政区   | A                       | AMTBXZQ            |  
  39. +------------------+-------------------------+--------------------+  
  40. 34 rows in set  
  41.   
  42. mysql>   

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