问从ResultSet返回JSONArray或JSONObject

EN

public static JSONArray verifyDRFromButton(String transactionId) {
    JSONArray jsonArray = new JSONArray();
    try {
        ResultSet resultSet;
        Constants.threadSleep(5000);
        Constants.verifyOracle();
        String databaseConnectionString = String.format("jdbc:oracle:thin:@%s:%s:%s",  "*****", "****", "*****");

        Connection conn = DriverManager.getConnection(databaseConnectionString,"*****","*****");
        Statement stmt = conn.createStatement();
        resultSet = stmt.executeQuery("SELECT * from ****** WHERE ***** = '" + transactionId + "'");
        //Print DB Table
        Constants.threadSleep(500);
        //DBTablePrinter.printResultSet(rs);
        //result = rs.toString();
        while (resultSet.next()) {
            int totalRows = resultSet.getMetaData().getColumnCount();
            for (int i = 0; i < totalRows; i++) {
                JSONObject obj = new JSONObject();    
                obj.put(resultSet.getMetaData().getColumnLabel(i + 1)
                        .toLowerCase(), resultSet.getObject(i + 1));
                jsonArray.put(obj);
            }
        }
        conn.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return jsonArray;
}

[
    {"id": "idvalue"}, 
    {"id2": "id2value"}, 
    {"name": "namevalue"}, 
    {"name2": "name2value"}
]

[
    {"id": "idvalue", "id2": "id2value"}, 
    {"name": "namevalue", "name2": "name2value"}
]