Oracle 獲取漢字拼音首字母

獲取漢字拼音函數腳本

CREATE OR REPLACE FUNCTION F_GETPY(P_NAME IN VARCHAR2) RETURN VARCHAR2 AS V_COMPARE VARCHAR2(100); V_RETURN VARCHAR2(4000);FUNCTION F_NLSSORT(P_WORD IN VARCHAR2) RETURN VARCHAR2 AS BEGIN RETURN NLSSORT(P_WORD,'NLS_SORT=SCHINESE_PINYIN_M'); END; BEGIN FOR I IN 1..LENGTH(P_NAME) LOOP V_COMPARE := F_NLSSORT(SUBSTR(P_NAME, I, 1)); IF V_COMPARE >= F_NLSSORT('吖') AND V_COMPARE <= F_NLSSORT('驁') THEN V_RETURN := V_RETURN ||'a'; ELSIF V_COMPARE >= F_NLSSORT('八') AND V_COMPARE <= F_NLSSORT('簿') THEN V_RETURN := V_RETURN ||'b'; ELSIF V_COMPARE >= F_NLSSORT('嚓') AND V_COMPARE <= F_NLSSORT('錯') THEN V_RETURN := V_RETURN ||'c'; ELSIF V_COMPARE >= F_NLSSORT('咑') AND V_COMPARE <= F_NLSSORT('鵽') THEN V_RETURN := V_RETURN ||'d'; ELSIF V_COMPARE >= F_NLSSORT('妸') AND V_COMPARE <= F_NLSSORT('樲') THEN V_RETURN := V_RETURN ||'e'; ELSIF V_COMPARE >= F_NLSSORT('發') AND V_COMPARE <= F_NLSSORT('猤') THEN V_RETURN := V_RETURN ||'f'; ELSIF V_COMPARE >= F_NLSSORT('旮') AND V_COMPARE <= F_NLSSORT('腂') THEN V_RETURN := V_RETURN ||'g'; ELSIF V_COMPARE >= F_NLSSORT('妎') AND V_COMPARE <= F_NLSSORT('夻') THEN V_RETURN := V_RETURN ||'h'; ELSIF V_COMPARE >= F_NLSSORT('丌') AND V_COMPARE <= F_NLSSORT('攈') THEN V_RETURN := V_RETURN ||'j'; ELSIF V_COMPARE >= F_NLSSORT('咔') AND V_COMPARE <= F_NLSSORT('穒') THEN V_RETURN := V_RETURN ||'k'; ELSIF V_COMPARE >= F_NLSSORT('垃') AND V_COMPARE <= F_NLSSORT('擽') THEN V_RETURN := V_RETURN ||'l'; ELSIF V_COMPARE >= F_NLSSORT('嘸') AND V_COMPARE <= F_NLSSORT('椧') THEN V_RETURN := V_RETURN ||'m'; ELSIF V_COMPARE >= F_NLSSORT('拏') AND V_COMPARE <= F_NLSSORT('瘧') THEN V_RETURN := V_RETURN ||'n'; ELSIF V_COMPARE >= F_NLSSORT('筽') AND V_COMPARE <= F_NLSSORT('漚') THEN V_RETURN := V_RETURN ||'o'; ELSIF V_COMPARE >= F_NLSSORT('妑') AND V_COMPARE <= F_NLSSORT('曝') THEN V_RETURN := V_RETURN ||'p'; ELSIF V_COMPARE >= F_NLSSORT('七') AND V_COMPARE <= F_NLSSORT('裠') THEN V_RETURN := V_RETURN ||'q'; ELSIF V_COMPARE >= F_NLSSORT('亽') AND V_COMPARE <= F_NLSSORT('鶸') THEN V_RETURN := V_RETURN ||'r'; ELSIF V_COMPARE >= F_NLSSORT('仨') AND V_COMPARE <= F_NLSSORT('蜶') THEN V_RETURN := V_RETURN ||'s'; ELSIF V_COMPARE >= F_NLSSORT('侤') AND V_COMPARE <= F_NLSSORT('籜') THEN V_RETURN := V_RETURN ||'t'; ELSIF V_COMPARE >= F_NLSSORT('屲') AND V_COMPARE <= F_NLSSORT('鶩') THEN V_RETURN := V_RETURN ||'w'; ELSIF V_COMPARE >= F_NLSSORT('夕') AND V_COMPARE <= F_NLSSORT('鑂') THEN V_RETURN := V_RETURN ||'x'; ELSIF V_COMPARE >= F_NLSSORT('丫') AND V_COMPARE <= F_NLSSORT('韻') THEN V_RETURN := V_RETURN ||'y'; ELSIF V_COMPARE >= F_NLSSORT('帀') AND V_COMPARE <= F_NLSSORT('咗') THEN V_RETURN := V_RETURN ||'z'; END IF; END LOOP; RETURN V_RETURN; END; /

函數調用方式

select F_GETPY('張三') as result from dual;

截圖如下：

總結

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