1ãé¦å
建ç«ä¸ä¸ªå
ï¼ç¨æ·å建ä¸ä¸ªæ¸¸æ ç±»åcreate or replace package pkg_query as
type cur_query is ref cursor;
end pkg_query;2ãå建åå¨è¿ç¨CREATE OR REPLACE PROCEDURE prc_query
(p_tableName in varchar2, --表å
p_strWhere in varchar2, --æ¥è¯¢æ¡ä»¶
p_orderColumn in varchar2, --æåºçå
p_orderStyle in varchar2, --æåºæ¹å¼
p_curPage in out Number, --å½å页
p_pageSize in out Number, --æ¯é¡µæ¾ç¤ºè®°å½æ¡æ°
p_totalRecords out Number, --æ»è®°å½æ°
p_totalPages out Number, --æ»é¡µæ°
v_cur out pkg_query.cur_query) --è¿åçç»æé
IS
v_sql VARCHAR2(1000) := ''; --sqlè¯å¥
v_startRecord Number(4); --å¼å§æ¾ç¤ºçè®°å½æ¡æ°
v_endRecord Number(4); --ç»ææ¾ç¤ºçè®°å½æ¡æ°
BEGIN
--è®°å½ä¸æ»è®°å½æ¡æ°
v_sql := 'SELECT TO_NUMBER(COUNT(*)) FROM ' || p_tableName || ' WHERE 1=1';
IF p_strWhere IS NOT NULL or p_strWhere <> '' THEN
v_sql := v_sql || p_strWhere;
END IF;
EXECUTE IMMEDIATE v_sql INTO p_totalRecords;
--éªè¯é¡µé¢è®°å½å¤§å°
IF p_pageSize < 0 THEN
p_pageSize := 0;
END IF;
--æ ¹æ®é¡µå¤§å°è®¡ç®æ»é¡µæ°
IF MOD(p_totalRecords,p_pageSize) = 0 THEN
p_totalPages := p_totalRecords / p_pageSize;
ELSE
p_totalPages := p_totalRecords / p_pageSize + 1;
END IF;
--éªè¯é¡µå·
IF p_curPage < 1 THEN
p_curPage := 1;
END IF;
IF p_curPage > p_totalPages THEN
p_curPage := p_totalPages;
END IF;
--å®ç°å页æ¥è¯¢
v_startRecord := (p_curPage - 1) * p_pageSize + 1;
v_endRecord := p_curPage * p_pageSize;
v_sql := 'SELECT * FROM (SELECT A.*, rownum r FROM ' ||
'(SELECT * FROM ' || p_tableName;
IF p_strWhere IS NOT NULL or p_strWhere <> '' THEN
v_sql := v_sql || ' WHERE 1=1' || p_strWhere;
END IF;
IF p_orderColumn IS NOT NULL or p_orderColumn <> '' THEN
v_sql := v_sql || ' ORDER BY ' || p_orderColumn || ' ' || p_orderStyle;
END IF;
v_sql := v_sql || ') A WHERE rownum <= ' || v_endRecord || ') B WHERE r >= '
|| v_startRecord;
DBMS_OUTPUT.put_line(v_sql);
OPEN v_cur FOR v_sql;
END prc_query;3ãJAVA代ç éååºç»æéString sql= "{ call prc_query(?,?,?,?,?,?,?,?,?) }";
CallableStatement call = con.prepareCall(sql);// â¦â¦ä¸é´æ°æ®è®¾ç½®å注åçç¥call.registerOutParameter(9, OracleTypes.CURSOR);// ååºç»æé(ResultSet) call.getObject(9);
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