package example.dao; import example.model.Orders; import example.utils.DBUtils; import org.apache.commons.dbutils.QueryRunner; import org.apache.commons.dbutils.handlers.BeanListHandler; import java.util.List; public class OrdersDao { private final QueryRunner queryRunner = new QueryRunner(DBUtils.getDataSource()); public List getAllOrders() { String sql = "select id,user_id userId,order_date orderDate,total_price totalPrice,address ,remark from orders o "; try { return queryRunner.query(sql, new BeanListHandler<>(Orders.class)); } catch (Exception e) { e.printStackTrace(); } return null; } public static void main(String[] args) { OrdersDao ordersDao = new OrdersDao(); System.out.println(ordersDao.getAllOrders()); } }