AutoMapper - 映射子屬性

Question

我有一個看起來像這樣的 model 視圖：

class PersonSectionViewModel
{
  public string FirstName { get; set; }
  public string LastName { get; set; }
}

class PersonViewModel
{
   public PersonSectionViewModel Main { get; set; }
   public PersonSectionViewModel Partner { get; set; }
}

我嘗試像這樣映射屬性，但它根本不起作用：

class PersonDTO 
{
  public string FirstName { get; set; }
  public string LastName { get; set; }
  public string FirstName_2 { get; set; }
  public string LastName_2 { get; set; }
}

CreateMap<PersonDTO, PersonViewModel>()
.ForMember(dest => dest.Main.FirstName,
           opt => opt.MapFrom(src => src.FirstName))
.ForMember(dest => dest.Main.LastName,
           opt => opt.MapFrom(src => src.LastName))
.ForMember(dest => dest.Partner.FirstName,
           opt => opt.MapFrom(src => src.FirstName_2))
.ForMember(dest => dest.Partner.LastName,
           opt => opt.MapFrom(src => src.LastName_2))

映射這個的正確方法是什么？

謝謝你。

Answer 1

使用.ForPath() 。

CreateMap<PersonDTO, PersonViewModel>()
    .ForPath(dest => dest.Main.FirstName,
                opt => opt.MapFrom(src => src.FirstName))
    .ForPath(dest => dest.Main.LastName,
                opt => opt.MapFrom(src => src.LastName))
    .ForPath(dest => dest.Partner.FirstName,
                opt => opt.MapFrom(src => src.FirstName_2))
    .ForPath(dest => dest.Partner.LastName,
                opt => opt.MapFrom(src => src.LastName_2));

演示 @ .NET 小提琴

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參考

.ForPath()的使用 | GitHub