参数绑定的名称不能为null或为空！对于命名参数，您需要使用@Param作为Java版本上的查询方法参数

而不是使用：po.id =：id而是使用？1 ....

@Query("SELECt NEW com.htd.domain.ShopOrder(po.id, po.po_number, "  + "po.due_date, po_part.id, po_part.part_quantity, " + "part.id, part.part_number, part.part_description, " + "part.plasma_hrs_per_part, part.grind_hrs_per_part, " + "part.mill_hrs_per_part, part.brakepress_hrs_per_part) " + "FROM Po po " + "LEFT JOIN po.partList po_part " + "LEFT JOIN po_part.part part " + "LEFT JOIN po_part.part where po.id = ?1")    List<ShopOrder> getShopOrder(Long id);