[英]Automapper: Flattening by properties naming convention does not work
我想将我的数据结构展平为 dto。
我的源类(简化)看起来像:
public class DeliveryNote
{
public DeliveryNoteNested DeliveryNoteNestedInstance { get; set; }
public string VehicleNo { get; set; }
}
public class DeliveryNoteNested
{
public string No { get; set; }
public string PlantNo { get; set; }
}
我的 dto(也简化了)就像
public class DeliveryNoteDto
{
public int Id { get; set; }
public string No { get; set; }
public string PlantNo { get; set; }
public string VehicleNo { get; set; }
}
然后我做我的映射:
Mapper.Initialize(cfg => cfg.CreateMap<DeliveryNote, DeliveryNoteDto>());
var source = new DeliveryNote
{
VehicleNo = "VehicleNo20",
DeliveryNoteNestedInstance = new DeliveryNoteNested
{
No = "42",
PlantNo = "PlantNo10"
}
};
var dto = Mapper.Map<DeliveryNoteDto>(source);
最后,我希望通过命名约定将我的属性 No 和 PlantNo 填充到 dto 中,但事实并非如此。
当我做
Mapper.Initialize(cfg => cfg.CreateMap<DeliveryNote, DeliveryNoteDto>()
.ForMember(dest => dest.No, opt => opt.MapFrom(src => src.DeliveryNoteNestedInstance.No))
.ForMember(dest => dest.PlantNo, opt => opt.MapFrom(src => src.DeliveryNoteNestedInstance.PlantNo)));
它有效,但在我真正的课堂上我有接近 50 个属性,我想尽可能避免这种样板代码。
基本约定是
public class DeliveryNoteDto
{
public int Id { get; set; }
public string DeliveryNoteNestedInstanceNo { get; set; }
public string DeliveryNoteNestedInstancePlantNo { get; set; }
public string VehicleNo { get; set; }
}
你也可以使用
CreateMap(typeof(DeliveryNote), typeof(DeliveryNoteDto))
.AfterMap((s, d) => Mapper.Map(s.DeliveryNoteNested, d));
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