Automapper枚举Byte具有Impartion ImapperConFigurator



枚举定义是

public enum RowStatusEnum
{
    Modified = 1,
    Removed = 2,
    Added = 3
}
public class RowStatusEnumConvertor : IMapperConfigurator
{
    public void Cofigure()
    {
        Mapper.CreateMap<RowStatusEnum, byte>();
        Mapper.CreateMap<byte, RowStatusEnum >();
    }
}

i在Rowstatusenumconvertor类中使用Impartion ImapperConfigurator配置AutomApper,但是不能使用此代码,而不是映射此类型,我认为我的配置不正确或不够请帮助我

谢谢

会为您工作吗?

class.cs

namespace StackOverflow.RowStatus
{
    public enum RowStatusEnum
    {
        Modified = 1,
        Removed = 2,
        Added = 3
    }
}

automapperconfigurator.cs

namespace StackOverflow.RowStatus
{
    using System;
    using System.Linq;
    using AutoMapper;
    public class MyProfile : Profile
    {
        protected override void Configure()
        {
            Mapper.CreateMap<byte, RowStatusEnum>().ConvertUsing(
                x => Enum.GetValues(typeof(RowStatusEnum))
                         .Cast<RowStatusEnum>().First(y => (byte)y == x));
            Mapper.CreateMap<RowStatusEnum, byte>().ConvertUsing(
                x => (byte)x);
        }
    }
}

mappingTests.cs

namespace StackOverflow.RowStatus
{
    using AutoMapper;
    using NUnit.Framework;
    [TestFixture]
    public class MappingTests
    {
        [Test]
        public void AutoMapper_Configuration_IsValid()
        {
            Mapper.Initialize(m => m.AddProfile<MyProfile>());
            Mapper.AssertConfigurationIsValid();
        }
        [TestCase(1, Result = RowStatusEnum.Modified)]
        [TestCase(2, Result = RowStatusEnum.Removed)]
        [TestCase(3, Result = RowStatusEnum.Added)]
        public RowStatusEnum AutoMapper_ConvertFromByte_IsValid(
                                                   byte rowStatusEnum)
        {
            Mapper.Initialize(m => m.AddProfile<MyProfile>());
            Mapper.AssertConfigurationIsValid();
            return Mapper.Map<byte, RowStatusEnum>(rowStatusEnum);
        }
        [TestCase(RowStatusEnum.Modified, Result = 1)]
        [TestCase(RowStatusEnum.Removed, Result = 2)]
        [TestCase(RowStatusEnum.Added, Result = 3)]
        public byte AutoMapper_ConvertFromEnum_IsValid(
                                                   RowStatusEnum rowStatusEnum)
        {
            Mapper.Initialize(m => m.AddProfile<MyProfile>());
            Mapper.AssertConfigurationIsValid();
            return Mapper.Map<RowStatusEnum, byte>(rowStatusEnum);
        }
    }
}

从自动应用程序的9开始,初始化的变化导致示例上方过期。我在上面更新了示例,并留下了原始值,也引用了旧版本(Nunit 3.12.0):

rowstatusenum

namespace StackOverflow.RowStatus
{
    public enum RowStatusEnum
    {
        Modified = 1,
        Removed = 2,
        Added = 3
    }
}

automapperconfigurator.cs

namespace StackOverflow.RowStatus
{
    using System;
    using System.Linq;
    using AutoMapper;
    public class MyProfile : Profile
    {
        public MyProfile()
        {
            CreateMap<byte, RowStatusEnum>().ConvertUsing(
                x => Enum.GetValues(typeof(RowStatusEnum))
                    .Cast<RowStatusEnum>().First(y => (byte)y == x));
            CreateMap<RowStatusEnum, byte>().ConvertUsing(
                x => (byte)x);
        }
    }
}

mappingTests

namespace StackOverflow.RowStatus
{
    using AutoMapper;
    using NUnit.Framework;
    [TestFixture]
    public class MappingTests
    {
        [Test]
        public void AutoMapper_Configuration_IsValid()
        {
            var config = new MapperConfiguration(cfg => cfg.AddProfile<MyProfile>());
            config.AssertConfigurationIsValid();
        }
        [TestCase(1, ExpectedResult = RowStatusEnum.Modified)]
        [TestCase(2, ExpectedResult = RowStatusEnum.Removed)]
        [TestCase(3, ExpectedResult = RowStatusEnum.Added)]
        public RowStatusEnum AutoMapper_ConvertFromByte_IsValid(
            byte rowStatusEnum)
        {
            var config = new MapperConfiguration(cfg => cfg.AddProfile<MyProfile>());
            var mapper = config.CreateMapper();
            return mapper.Map<byte, RowStatusEnum>(rowStatusEnum);
        }
        [TestCase(RowStatusEnum.Modified, ExpectedResult = 1)]
        [TestCase(RowStatusEnum.Removed, ExpectedResult = 2)]
        [TestCase(RowStatusEnum.Added, ExpectedResult = 3)]
        public byte AutoMapper_ConvertFromEnum_IsValid(
            RowStatusEnum rowStatusEnum)
        {
            var config = new MapperConfiguration(cfg => cfg.AddProfile<MyProfile>());
            var mapper = config.CreateMapper();
            return mapper.Map<RowStatusEnum, byte>(rowStatusEnum);
        }
    }
}

我已经重现了您的问题。解决方案非常简单,不要配置自动应用程序,并将枚举的基本类型设置为字节。这样:

public enum RowStatusEnum : byte
{
   Modified = 1,
   Removed = 2,
   Added = 3,
}

让它起作用:

byte x = 3;
RowStatusEnum rowStatus = Mapper.Map<RowStatusEnum>(x); 
//The result will be: Added

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