使用Automapper将C#转换为DTO/JSON
我正在尝试使用Automapper从API返回此格式的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",
{
"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
}
}
]
}