public class AutoMap:Profile
    {
        public AutoMap()
        {
            CreateMap<A, B>();
            CreateMap<B, A>()
                .ForMember(des => des.Age, opt => opt.MapFrom(x=>x.Age)) //指定模型转换
                 .ForMember(des => des.ID, opt => opt.MapFrom(x => x.ID))
                 .ForMember(des => des.Name, opt => opt.MapFrom(x => x.Name))
                 .ForMember(des => des.Gender, opt => opt.Ignore());//此字段不进行模型转换

        }
    }