在哪一层DTO翻译上可以实现？

发布于 2025-01-24 22:46:05 字数 530 浏览 3 评论 0原文

例如，我有一个服务：

@Service
class OrderService {
    OrderDto getOrder(String id) {
      return OrderMapper.toOrderDto(orderRepository.getOrder(id))
   }
}

orderdto具有字段字符串描述

我需要根据语言环境（EN，ES等）返回正确的描述

。那个翻译？我应该在ordermapper中这样做吗？如果是这样，OrderMapper应该是弹簧组件。也许我应该创建翻译人员？

OrderController -> OrderService 1 -> orderRepository
                                2 -> OrderMapper

我应该添加一个新的翻译层吗？看起来，映射器不是一个好地方（SRP）

原文

For example, I have a service:

@Service
class OrderService {
    OrderDto getOrder(String id) {
      return OrderMapper.toOrderDto(orderRepository.getOrder(id))
   }
}

OrderDto has the field String description

I need to return the correct description depending on locale (en, es, etc.)

Where should I do that translation? Should I do that in the OrderMapper? if so, OrderMapper should be a spring component. Or maybe I should create a translator?

OrderController -> OrderService 1 -> orderRepository
                                2 -> OrderMapper

Should I add a new layer for translation? It looks, that Mapper is not a good place for that(SRP)

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扭转时空 2025-01-31 22:46:05

[更新]：
您可以创建一个单例映射器，在服务层中使用它来进行翻译，并在映射器中实现映射逻辑，因为我建议使用 mapstruct

示例：

@Mapper
public interface OrderMapper {

  @Mapping(target = "descritpion", source = "descr")
  OrderDto orderToOrderDto(Order order);

  @Mapping(target = "descritpion", source = "descr")
  Order orderDtoToOrder(OrderDto orderDto);
}

不要忘记实现了getters and setters，因为我建议使用 Lombok 。

[Update]:
You can create a Singleton Mapper, use it in the service layer to do the translation, and implement the mapping logic in the mapper, for that I suggest the use of MapStruct

Example:

@Mapper
public interface OrderMapper {

  @Mapping(target = "descritpion", source = "descr")
  OrderDto orderToOrderDto(Order order);

  @Mapping(target = "descritpion", source = "descr")
  Order orderDtoToOrder(OrderDto orderDto);
}

Do not forget to have the getters and setters implemented, for that I suggest the use of Lombok.

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