public static Object[][] Query(Object[] s) { Object[][] obj = (Object[][]) null; StringBuffer sb = new StringBuffer("SELECT * FROM Purchase WHERE "); boolean b = false; if (s[0] != "") { sb.append("drug_id = '" + s[0] + "'"); b = true; } if (s[1] != "") { if (b) sb.append(" AND "); sb.append("batch_num = '" + s[1] + "'"); b = true; } if (s[2] != null) { if (b) sb.append(" AND "); sb.append("vali_date < #" + s[2] + "#"); b = true; } if (s[3] != null) { if (b) sb.append(" AND "); sb.append("pur_date < #" + s[3] + "#"); } String sql_query = new String(sb); try { Connection conn = DriverManager.getConnection(url, "", ""); Statement sql = conn.createStatement(1004, 1007); ResultSet rs = sql.executeQuery(sql_query); rs.last(); int n = rs.getRow(); rs.beforeFirst(); obj = new Object[n][8]; int i = 0; while (rs.next()) { for (int j = 1; j <= 8; j++) { if (j == 2) obj[i][(j - 1)] = DrugSQL.getDrugname(rs.getString(j)); else if ((j == 4) || (j == 8)) obj[i][(j - 1)] = rs.getDate(j); else obj[i][(j - 1)] = rs.getObject(j); } i++; } conn.close(); } catch (SQLException e) { e.printStackTrace(); } return obj; }
public static Object[] getRecord(String id) { Object[] object = new Object[8]; try { Connection conn = DriverManager.getConnection(url, "", ""); PreparedStatement sql = conn.prepareStatement("SELECT * FROM Purchase WHERE pur_id = ?"); sql.setString(1, id); ResultSet rs = sql.executeQuery(); int j = 1; while (rs.next()) { if (j == 2) object[(j - 1)] = DrugSQL.getDrugname(rs.getString(j)); else if ((j == 4) || (j == 8)) object[(j - 1)] = rs.getDate(j); else object[(j - 1)] = rs.getObject(j); j++; } conn.close(); } catch (SQLException e) { e.printStackTrace(); } return object; }
public static Object[][] getAll() { int n = CountRecord(); Object[][] obj = new Object[n][8]; try { Connection conn = DriverManager.getConnection(url, "", ""); Statement sql = conn.createStatement(); ResultSet rs = sql.executeQuery("SELECT * FROM Purchase"); int i = 0; while (rs.next()) { for (int j = 1; j <= 8; j++) { if (j == 2) obj[i][(j - 1)] = DrugSQL.getDrugname(rs.getString(j)); else if ((j == 4) || (j == 8)) obj[i][(j - 1)] = rs.getDate(j); else obj[i][(j - 1)] = rs.getObject(j); } i++; } conn.close(); } catch (SQLException e) { e.printStackTrace(); } return obj; }