带有解析器的自动器抛出“错误映射类型”

本文关键字：错误 映射 类型 | 更新日期: 2023-09-27 18:05:16

在另一个类中有一个类作为属性，需要使用Automapper进行映射。我们已经编写了一个解析器，它将源类属性映射到destinationMember属性。我已经写了下面的逻辑是不工作的。

我们收到以下错误。

错误映射类型。

映射类型:SubscriberDTO -> SubscriberConsoleAutomapperTestHarness。SubscriberDTO - - ->ConsoleAutomapperTestHarness。订户

Type Map配置:SubscriberDTO -> SubscriberConsoleAutomapperTestHarness。SubscriberDTO - - ->ConsoleAutomapperTestHarness。订户

属性:SubscriberSettings 

using AutoMapper; //5.1.1.0
using System;
namespace ConsoleAutomapperTestHarness
{
   public class Program
    {
        public static void Main(string[] args)
        {
            SubscriberDTO subDTO = new SubscriberDTO();
            subDTO.AllowAddPFA = true;
            subDTO.AllowAutoPay = true; ;
            subDTO.SubscriberID = 10000;
            subDTO.FirstName = "Kishor";
            new SubscriberAutoMapper();
            Subscriber sub = Mapper.Map<SubscriberDTO, Subscriber>(subDTO);
            Console.WriteLine(sub.SubscriberSettings.AllowAddPFA.ToString());
            Console.ReadLine();
        }
    }
    public class SubscriberAutoMapper
    {
        public SubscriberAutoMapper()
        {
            Mapper.Initialize(cfg => {
                cfg.CreateMap<SubscriberDTO, Subscriber>()
                .ForMember(dest => dest.SubscriberSettings, opt => opt.ResolveUsing<SubscriberAutoMapperResolver>());                
            });
            Mapper.AssertConfigurationIsValid();
        }
    }
    public class SubscriberAutoMapperResolver : IValueResolver<SubscriberDTO, Subscriber, Settings>
    {
        public Settings Resolve(SubscriberDTO source, Subscriber destination, Settings destMember, ResolutionContext context)
        {
            //line which is working.
        return new Settings() { AllowAddPFA = source.AllowAddPFA };
        //line which is not working
       // var result = context.Mapper.Map<SubscriberDTO, Settings>(source);
       // var result = Mapper.Map<SubscriberDTO, Settings>(source);
        //var result = Mapper.Map<SubscriberDTO, Settings>(source,destMember);
        //var result = context.Mapper.Map<SubscriberDTO, Settings>(source, destMember, context);
        //return result;           
        }
    }
    public class Subscriber
    {
        public int SubscriberID { get; set; }
        public Settings SubscriberSettings { get; set; }
        public string FirstName { get; set; }
    }
    public class Settings
    {
        public bool AllowEnrollment { get; set; }
        public bool AllowAutoPay { get; set; }
        public bool AllowAddPFA { get; set; }
    }
    public class SubscriberDTO
    {
        public int SubscriberID { get; set; }
        public string FirstName { get; set; }
        public bool AllowEnrollment { get; set; }
        public bool AllowAutoPay { get; set; }
        public bool AllowAddPFA { get; set; }
    }

}

带有解析器的自动器抛出“错误映射类型”

ValueResolver看起来有点小题大做，老实说，你可以完全放弃它，并实现所需的结果，只要这么少(假设默认的AutoMapper行为使得显式指定具有相同名称的属性是多余的，就像在大多数模型中一样):

Mapper.Initialize(cfg => {
    cfg.CreateMap<SubscriberDTO, Subscriber>()
        .ForMember(d => d.SubscriberSettings, o => o.MapFrom(s => s));
    cfg.CreateMap<SubscriberDTO, Settings>();   
});
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