我有以下两个类:
public class ReferenceEngine
{
public Guid ReferenceEngineId { get; set; }
public string Description { get; set; }
public int Horsepower { get; set; }
}
public class Engine
{
public Guid Id { get; set; }
public string Description { get; set; }
public int Power { get; set; }
}
我正在使用Automapper将ReferenceEngine映射到Engine,反之亦然。请注意,属性ReferenceEngineId/Id和Horsepower/Power的名称不同。
以下映射配置有效,并成功映射具有不同名称的属性:
public static void ConfigureMapperWorking()
{
AutoMapper.Mapper.CreateMap<ReferenceEngine, Engine>()
.ForMember(dest => dest.Description, opt => opt.MapFrom(src => src.Description)).ReverseMap();
AutoMapper.Mapper.CreateMap<ReferenceEngine, Engine>()
.ForMember(dest => dest.Id, opt => opt.MapFrom(src => Guid.Parse(src.ReferenceEngineId.ToString())))
.ForMember(dest => dest.Power, opt => opt.MapFrom(src => src.Horsepower));
AutoMapper.Mapper.CreateMap<Engine, ReferenceEngine>()
.ForMember(dest => dest.ReferenceEngineId, opt => opt.MapFrom(src => Guid.Parse(src.Id.ToString())))
.ForMember(dest => dest.Horsepower, opt => opt.MapFrom(src => src.Power));
}
然而,尽管我在最后调用了
ReverseMap()
方法,但以下内容仍无法正常工作:public static void ConfigureMapperNotWorking()
{
AutoMapper.Mapper.CreateMap<ReferenceEngine, Engine>()
.ForMember(dest => dest.Id, opt => opt.MapFrom(src => src.ReferenceEngineId))
.ForMember(dest => dest.Description, opt => opt.MapFrom(src => src.Description))
.ForMember(dest => dest.Power, opt => opt.MapFrom(src => src.Horsepower)).ReverseMap();
}
我的问题是,当属性名称不同时,我们是否应该手动指定TSource->TDestination和TDestination->TSource的映射关系?我认为
ReverseMap
的目的是避免我们手动指定双向映射关系。