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CREATE OR REPLACE FUNCTION F_GET_PY_CAP(P_NAME IN VARCHAR2) RETURN VARCHAR2 AS
V_WORD VARCHAR2(10);
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_WORD := SUBSTR(P_NAME, I, 1);
V_COMPARE := F_NLSSORT(V_WORD);
IF V_COMPARE >= F_NLSSORT(‘a‘) AND V_COMPARE <= F_NLSSORT(‘z‘) THEN
V_RETURN := V_RETURN || V_WORD;
ELSIF V_COMPARE >= F_NLSSORT(‘A‘) AND V_COMPARE <= F_NLSSORT(‘Z‘) THEN
V_RETURN := V_RETURN || V_WORD;
ELSIF V_COMPARE >= F_NLSSORT(‘0‘) AND V_COMPARE <= F_NLSSORT(‘9‘) THEN
V_RETURN := V_RETURN || V_WORD;
ELSIF 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(‘发‘) 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‘;
ELSE
V_RETURN := V_RETURN || SUBSTR(P_NAME, I, 1);
END IF;
END LOOP;
RETURN UPPER(V_RETURN);
END;
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原文地址：http://www.cnblogs.com/xuhj/p/4224260.html
