使用Automapper将C#转换为DTO/JSON

使用Automapper将C#转换为DTO/JSON,c#,.net,automapper,dto,C#,.net,Automapper,Dto,我正在尝试使用Automapper从API返回此格式的JSON: { "Name": "Jason", "Subjects": [ "Maths":{ "CourseName": "Maths", "Score": 70 }, "English":{ "CourseName": "English",

我正在尝试使用Automapper从API返回此格式的JSON:

  {
    "Name": "Jason",
    "Subjects":
      [
        "Maths":{
                  "CourseName": "Maths",
                  "Score": 70
                },
      "English":{
                  "CourseName": "English",
                  "Score": 80
                }
      ]
  }
这是一个特殊的json,我们可以看到在Subjects中,每个Subjects的名称实际上是CoursName属性。这是我的型号和DTO:

public class Student
{
    public string Name {get; set;}
    public ICollection Subjects {get; set;}
}

public class Subject
{
    public int Id {get; set;}
    public string CourseName {get; set;}
  public int Score {get; set;}
}

问题是在主题内部,每个主题都有一个来自对象内部CourseName的名称。

您提供的JSON根据上下文无效

此代码使用有效的JSON输出(RFC 8259)


对于Json.Net来说,这是一个在公园里散步的过程,为什么要使用automapper呢?展示您的API方法,或者您如何进行转换。@ZoharPeled我们如何使用Json.Net实现这一点?您只需序列化
Student
类,并且您可能想要放置一个
[JsonIgnore]
Subject
类的
Id
属性上的
属性。哦,我现在看到问题了。对不起,我的回答错了。谢谢你@Joel的出色工作。给定的json只是一个示例。
using System.Collections.Generic;
using Newtonsoft.Json;

namespace JsonProgram
{
    public class Program
    {
        static void Main(string[] args)
        {
            var student = new Student
            {
                Name = "Jason",
                Subjects = new List<Subject>
                {
                    new Subject
                    {
                        Id = 1,
                        CourseName = "Maths",
                        Score = 70
                    },
                    new Subject
                    {
                        Id = 2,
                        CourseName = "English",
                        Score = 80
                    },
                }
            };
            var json = ToStudentJson(student);
        }

        private static string ToStudentJson(Student student)
        {
            var subjects = new List<Dictionary<string, SubjectBase>>();
            foreach (var subject in student.Subjects)
            {
                var dict = new Dictionary<string, SubjectBase>();
                dict.Add(subject.CourseName, new SubjectBase { CourseName = subject.CourseName, Score = subject.Score });
                subjects.Add(dict);
            }

            var studentJson = new StudentJson
            {
                Name = student.Name,
                Subjects = subjects.ToArray()
            };

            return JsonConvert.SerializeObject(studentJson);
        }
    }

    public class StudentJson
    {
        public string Name { get; set; }
        public Dictionary<string, SubjectBase>[] Subjects { get; set; }
    }
    public class Student
    {
        public string Name { get; set; }
        public ICollection<Subject> Subjects { get; set; }
    }

    public class Subject : SubjectBase
    {
        public int Id { get; set; }
    }

    public class SubjectBase
    {
        public string CourseName { get; set; }
        public int Score { get; set; }
    }
}
{
    "Name": "Jason",
    "Subjects": [
        {
            "Maths": {
                "CourseName": "Maths",
                "Score": 70
            }
        },
        {
            "English": {
                "CourseName": "English",
                "Score": 80
            }
        }
    ]
}