[英]Make AutoMapper's Map ignore some properties?
My model object has some properties for lazy loaded collections and AutoMapper is for these collections to be loaded even when I don't need them (this is causing thousands of query executions in my DB). 我的模型对象有一些延迟加载集合的属性,AutoMapper用于加载这些集合,即使我不需要它们(这导致我的数据库中有数千个查询执行)。 Is it possible to make AutoMapper ignore some properties when I call Mapper.Map
? 当我调用Mapper.Map
时,是否可以让AutoMapper忽略一些属性?
public TTarget Adapt<TSource, TTarget>(TSource source)
{
return Mapper.Map<TTarget>(source);
}
public class Person
{
public string FirstName { get; set; }
public string LastName { get; set; }
}
public class Doctor
{
public int Id { get; set; }
public string Name { get; set;}
}
Here is how I ignore a property with Automapper (I've included how to ignore both in the source and destination object): 以下是我如何使用Automapper忽略属性(我已经在源和目标对象中包含了如何忽略它们):
Mapper.CreateMap<Person, Doctor>()
.ForMember(dest => dest.Name, opt => opt.MapFrom(src => src.LastName))
.ForMember(dest => dest.Id, opt => opt.Ignore())
.ForSourceMember(src=> src.FirstName, opt => opt.Ignore());
Mapper.CreateMap<SourceClass, DestinationClass>()
.ForMember(b=>b.SomeMember, c=>c.Ignore());
With AutoMapper 8.0 @Prabu's answer no longer works. 使用AutoMapper 8.0 @ Prabu的答案不再适用。
8.0 Upgrade Guide - ForSourceMember Ignore 8.0升级指南 - ForSourceMember忽略
So the adjusted answer would be: 所以调整后的答案是:
Mapper.CreateMap<Person, Doctor>()
.ForMember(dest => dest.Name, opt => opt.MapFrom(src => src.LastName))
.ForMember(dest => dest.Id, opt => opt.Ignore())
.ForSourceMember(src=> src.FirstName, opt => opt.DoNotValidate());
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