Automapper ProjectTo 在与自定义映射一起使用时不起作用
Automapper ProjectTo not working when used with custom mapping
我正在使用 asp.net 核心 2.2,Microsoft.EntityFrameworkCore(2.2.4),Microsoft.EntityFrameworkCore.Cosmos(2.2.4),AutoMapper.Extensions.Microsoft.DependencyInjection(7.0.0)
这是我的代码:
MappingProfile.cs
public class MappingProfile : Profile
{
public MappingProfile()
{
CreateMap<Languages, LanguageDTO>();
CreateMap<Countries, CountryDTO>().ForMember(dest => dest.Uuid, opt => opt.MapFrom(src => src.CountryId)).ForMember(dest => dest.DisplayName, opt => opt.MapFrom(src => src.DisplayName)).ForMember(dest => dest.DisplayNameShort, opt => opt.MapFrom(src => Helper.ReplaceChars(src.DisplayName))).ForMember(dest => dest.Path, opt => opt.MapFrom(src => Helper.ReplaceChars(src.DisplayName)));
}
}
ServiceClass.cs
countries = await _mapper.ProjectTo<CountryDTO>(_dbContext.Countries.Where(cc => cc.IsPublished.Equals(true) && cc.LanguageId.Equals(dftLanguageId))).ToListAsync();
型号
public class Countries
{
public string id
{
get;
set;
}
public int CountryId
{
get;
set;
}
public int? SVGImageId
{
get;
set;
}
public int? PNGImageId
{
get;
set;
}
public bool IsPublished
{
get;
set;
}
public string CreatedBy
{
get;
set;
}
public string CreatedDate
{
get;
set;
}
public string UpdatedBy
{
get;
set;
}
public string UpdatedDate
{
get;
set;
}
public int? CountryContentId
{
get;
set;
}
public int? LanguageId
{
get;
set;
}
public string DisplayName
{
get;
set;
}
public string DisplayNameShort
{
get;
set;
}
}
public class CountryResult
{
public CountryResult()
{
Countries = new List<CountryDTO>();
}
public List<CountryDTO> Countries
{
get;
set;
}
}
public class CountryDTO
{
[JsonProperty("pngimagePath")]
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string PNGImagePath
{
get;
set;
}
= "";
[JsonProperty("svgimagePath")]
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string SVGImagePath
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string DisplayName
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string DisplayNameShort
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string ProviderName
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string ProviderTerms
{
get;
set;
}
= "";
public int Uuid
{
get;
set;
}
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string Name
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string Path
{
get;
set;
}
= "";
public bool CompleteResponse
{
get;
set;
}
}
我在这里看到所有值都没有被映射。例如,Name 设置为空字符串,CompleteResponse 设置为 false。
谁能帮我解决这个问题?
尝试使用ProjectTo
如下:
var countries = _dbContext.Countries
.Where(cc => cc.IsPublished.Equals(true) && cc.LanguageId.Equals(dftLanguageId))
.ProjectTo<CountryDTO>(_mapper.ConfigurationProvider).ToList();
注意:除非源和目标之间的属性名称相同,否则您需要使用 ForMember()
来一对一映射属性。否则该值不会被映射。
我正在使用 asp.net 核心 2.2,Microsoft.EntityFrameworkCore(2.2.4),Microsoft.EntityFrameworkCore.Cosmos(2.2.4),AutoMapper.Extensions.Microsoft.DependencyInjection(7.0.0)
这是我的代码:
MappingProfile.cs
public class MappingProfile : Profile
{
public MappingProfile()
{
CreateMap<Languages, LanguageDTO>();
CreateMap<Countries, CountryDTO>().ForMember(dest => dest.Uuid, opt => opt.MapFrom(src => src.CountryId)).ForMember(dest => dest.DisplayName, opt => opt.MapFrom(src => src.DisplayName)).ForMember(dest => dest.DisplayNameShort, opt => opt.MapFrom(src => Helper.ReplaceChars(src.DisplayName))).ForMember(dest => dest.Path, opt => opt.MapFrom(src => Helper.ReplaceChars(src.DisplayName)));
}
}
ServiceClass.cs
countries = await _mapper.ProjectTo<CountryDTO>(_dbContext.Countries.Where(cc => cc.IsPublished.Equals(true) && cc.LanguageId.Equals(dftLanguageId))).ToListAsync();
型号
public class Countries
{
public string id
{
get;
set;
}
public int CountryId
{
get;
set;
}
public int? SVGImageId
{
get;
set;
}
public int? PNGImageId
{
get;
set;
}
public bool IsPublished
{
get;
set;
}
public string CreatedBy
{
get;
set;
}
public string CreatedDate
{
get;
set;
}
public string UpdatedBy
{
get;
set;
}
public string UpdatedDate
{
get;
set;
}
public int? CountryContentId
{
get;
set;
}
public int? LanguageId
{
get;
set;
}
public string DisplayName
{
get;
set;
}
public string DisplayNameShort
{
get;
set;
}
}
public class CountryResult
{
public CountryResult()
{
Countries = new List<CountryDTO>();
}
public List<CountryDTO> Countries
{
get;
set;
}
}
public class CountryDTO
{
[JsonProperty("pngimagePath")]
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string PNGImagePath
{
get;
set;
}
= "";
[JsonProperty("svgimagePath")]
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string SVGImagePath
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string DisplayName
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string DisplayNameShort
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string ProviderName
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string ProviderTerms
{
get;
set;
}
= "";
public int Uuid
{
get;
set;
}
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string Name
{
get;
set;
}
= "";
[RegularExpression(Constants.GeneralStringRegularExpression)]
public string Path
{
get;
set;
}
= "";
public bool CompleteResponse
{
get;
set;
}
}
我在这里看到所有值都没有被映射。例如,Name 设置为空字符串,CompleteResponse 设置为 false。
谁能帮我解决这个问题?
尝试使用ProjectTo
如下:
var countries = _dbContext.Countries
.Where(cc => cc.IsPublished.Equals(true) && cc.LanguageId.Equals(dftLanguageId))
.ProjectTo<CountryDTO>(_mapper.ConfigurationProvider).ToList();
注意:除非源和目标之间的属性名称相同,否则您需要使用 ForMember()
来一对一映射属性。否则该值不会被映射。