C＃JSON.NET类型无效 [英] C# JSON.NET invalid type

问题描述

当我将JSON字符串转换为C＃类时，我已经看到了类名只包含数字。

如何反序列化JSON字符串？

  public class 904 
 {
 public string id {get;组; } 
 public string name {get;组; } 
 public string name_url {get;组; } 
 public string region_path {get;组; } 
} 
 
 public class Result 
 {
 public 904 904 {get;组; } 
} 
 
 public class RootObject 
 {
 public bool status {get;组; } 
 public Result result {get;组; } 
 public int time_valid_to {get;组; } 
} 
  

JSON字符串

  {status：true，result：{904：{id：904，name：Wien Alsergrund，name_url： wien_alsergrund，region_path：oesterreich\ / wien\ / wien_alsergrund}}，time_valid_to：1424978715} 
  

解决方案

看起来像 result 属性实际上是一个结果映射， 字典<，> 。这工作：

 使用System; 
 using System.Collections.Generic; 
 using System.IO; 
 using System.Linq; 
使用Newtonsoft.Json; 
 
 public class ResultEntry 
 {
 public string id {get;组; } 
 public string name {get;组; } 
 public string name_url {get;}组; } 
 public string region_path {get;组; } 
} 
 
 
 public class RootObject 
 {
 public bool status {get;组; } 
 public Dictionary< int，ResultEntry> result {get;组; } 
 public int time_valid_to {get;组; } 
} 
 
 class Test 
 {
 static void Main（）
 {
 string json = File.ReadAllText（json.txt ）; 
 var root = JsonConvert.DeserializeObject< RootObject>（json）; 
 Console.WriteLine（root.result [904] .name）; 
} 
} 
  

我强烈建议使用更清晰的属性名称属性告诉Json.NET如何将它们映射到JSON。

I am curenntly making an thunder storm app for windows phone but i have a problem.

When i have converted the JSON string to C# classes i have seen that the class names just contain numbers.

How can i deserialize the JSON String?

    public class 904
    {
        public string id { get; set; }
        public string name { get; set; }
        public string name_url { get; set; }
        public string region_path { get; set; }
    }

    public class Result
    {
        public 904 904 { get; set; }
    }

    public class RootObject
    {
        public bool status { get; set; }
        public Result result { get; set; }
        public int time_valid_to { get; set; }
    }

The JSON string

    {"status":true,"result":{"904":{"id":"904","name":"Wien Alsergrund","name_url":"wien_alsergrund","region_path":"oesterreich\/wien\/wien_alsergrund"}},"time_valid_to":1424978715}

解决方案

It looks like the result property is effectively a map of results - so you can represent that with a Dictionary<,>. This works:

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Newtonsoft.Json;

public class ResultEntry
{
    public string id { get; set; }
    public string name { get; set; }
    public string name_url { get; set; }
    public string region_path { get; set; }
}


public class RootObject
{
    public bool status { get; set; }
    public Dictionary<int, ResultEntry> result { get; set; }
    public int time_valid_to { get; set; }
}

class Test
{
    static void Main()
    {
        string json = File.ReadAllText("json.txt");
        var root = JsonConvert.DeserializeObject<RootObject>(json);
        Console.WriteLine(root.result[904].name);
    }
}

I'd strongly recommend using cleaner property names and specifying attributes to tell Json.NET how to map them to JSON though.

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