我一直在仔细阅读AutoMapper文档,以尝试找到针对此问题的推荐解决方案,但未能找到它.
I've been sifting through AutoMapper documentation to try and find a recommended solution to this but haven't been able to find it.
假设我有一个类似以下的课程
Let's say I have a class like the following
public class Foo { public string Note { get; set; } }该类从客户端填充,并映射到以下域对象类
this class gets populated from the client and gets mapped to the following domain object class
public class Bar { public IList<Note> Notes { get; set; } }注释在哪里
public class Note { public string Text { get; set; } // other properties excluded for brevity }我想将Foo上的Note字符串属性映射到Note的新实例上的Text属性,然后将该Note添加到Notes上的Notes集合中c6>.我正在使用ValueResolver执行该操作的第一部分(将字符串映射到Note的新实例),但是不确定如何进行第二部分(将该项目映射到集合).
I'd like to map the Note string property on Foo, firstly to the Text property on a new instance of Note and then add that Note to the Notes collection on Bar. I'm using a ValueResolver to perform the first part of this operation (mapping the string to a new instance of Note) but am not sure about how to go about the second part (mapping that item to a item in a collection).
最干净的方法是什么?
推荐答案我在想这样的事情应该起作用(未经测试-只是大声键入):
I'm thinking something like this should work (not tested -- just typing out loud):
Mapper.CreateMap<Foo, Bar>().ForMember(d => d.Notes, opt => opt.MapFrom(s => new List<Note> { new Note { Text = s.Note } });编辑
您还可以使用AutoMappers AfterMap功能.这个lambda将在Automapper完成常规映射后执行:
You could also use AutoMappers AfterMap functionality. This lambda would be executed after Automapper has done it's regular mappings:
.AfterMap((s,d) => d.Notes.Add(new Note { Text = s.Note }));更多推荐
将属性映射到集合项
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