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[英]Mapping child classes with parent injected in the constructor using AutoMapper
[英]AutoMapper use parent class mapping in child classes
我有两个父类
class Settings
{
public Field
}
和
class SettingsDb
{
public FieldDB
}
和字段映射宽度 FieldDB 通过 ForMember 表达式
CreateMap<SettingsDb, Settings>()
.ForMember(dest => dest.Field,
opt => opt.MapFrom(src => some lambda with src.FieldDb));
我也有两个子类
class AdminSettings : Setting
{
inherits Field
}
class AdminSettingsDb : SettingDb
{
inherits FieldDb
}
如何在不为这个继承的字段再次执行 ForMember 的情况下将 AdminSettings 与 AdminSettingsDb 映射?
CreateMap<AdminSettings, AdminSettingsDb>();
现在映射后此字段为空
更简单的解决方案
CreateMap<BaseEntity, BaseDto>()
.ForMember(dest => dest.SomeMember, opt => opt.MapFrom(src => src.OtherMember));
CreateMap<DerivedEntity, DerivedDto>()
.IncludeBase<BaseEntity, BaseDto>();
在父类的映射中包含子类。
CreateMap<SettingsDb, Settings>()
.Include<AdminSettings, AdminSettingsDb>()
.ForMember(dest => dest.Field,
opt => opt.MapFrom(src => some lambda with src.FieldDb));
CreateMap<AdminSettings, AdminSettingsDb>();
请参阅映射继承。
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