效果: select fgetpy('中国') FROM dual; 结果 zg CREATE OR REPLACE FUNCTION fgetpy (v_str VARCHAR2) RETURN VARCHAR2 AS v_strlen INT; v_return VARCHAR2 (500); v_ii INT; v_n INT; v_c VARCHAR2 (2); v_chn VARCHAR2 (2); v_rc VARCHAR2 (500); /************************************************************************* 生成汉字拼音码的函数。 wallimn 2009-06-21 **************************************************************************/ BEGIN --dbms_output.put_line(v_str); v_rc := v_str; v_strlen := LENGTH (v_rc); v_return := ''; v_ii := 0; WHILE v_ii < v_strlen LOOP v_ii := v_ii + 1; v_n := 63; SELECT SUBSTR (v_rc, v_ii, 1) INTO v_chn FROM DUAL; SELECT v_n + MAX (rowsf) INTO v_n FROM (SELECT chn, ROWNUM rowsf FROM (SELECT chn FROM (SELECT '吖' chn FROM DUAL UNION SELECT '八' FROM DUAL UNION ALL SELECT '嚓' FROM DUAL UNION ALL SELECT '咑' FROM DUAL UNION ALL SELECT '妸' FROM DUAL UNION ALL SELECT '发' FROM DUAL UNION ALL SELECT '旮' FROM DUAL UNION ALL SELECT '铪' FROM DUAL UNION ALL SELECT '丌' FROM DUAL --because have no 'i' UNION ALL SELECT '丌' FROM DUAL UNION ALL SELECT '咔' FROM DUAL UNION ALL SELECT '垃' FROM DUAL UNION ALL SELECT '嘸' FROM DUAL UNION ALL SELECT '拏' FROM DUAL UNION ALL SELECT '噢' FROM DUAL UNION ALL SELECT '妑' FROM DUAL UNION ALL SELECT '七' FROM DUAL UNION ALL SELECT '呥' FROM DUAL UNION ALL SELECT '仨' FROM DUAL UNION ALL SELECT '他' FROM DUAL UNION ALL SELECT '屲' FROM DUAL UNION ALL SELECT '屲' FROM DUAL UNION ALL SELECT '屲' FROM DUAL UNION ALL SELECT '夕' FROM DUAL UNION ALL SELECT '丫' FROM DUAL UNION ALL SELECT '帀' FROM DUAL UNION ALL SELECT v_chn FROM DUAL) a ORDER BY NLSSORT (chn, 'NLS_SORT=SCHINESE_PINYIN_M')) c) b WHERE chn = v_chn; v_c := CHR (v_n); IF CHR (v_n) = '@' THEN --英文直接返回 v_c := v_chn; END IF; v_return := v_return || v_c; v_return := lower(v_return); END LOOP; RETURN v_return; END fgetpy; 此函数有一个BUG,不知道为什么会这样 select fgetpy('她们') FROM dual 的结果是 jm,'她'字的拼音首字母在函数里被转成了j,应该是t
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