c# - 无法将 JSON 反序列化为强类型对象

Question

所以这是我的 JSON string

[
  {
    "title": "Archer (2009)",
    "seasonCount": 5,
    "episodeCount": 47,
    "episodeFileCount": 47,
    "status": "continuing",
    "overview": "At ISIS, an international spy agency, global crises are merely opportunities for its highly trained employees to confuse, undermine, betray and royally screw each other. At the center of it all is suave master spy Sterling Archer, whose less-than-masculine code name is \"Duchess.\" Archer works with his domineering mother Malory, who is also his boss. Drama revolves around Archer's ex-girlfriend, Agent Lana Kane and her new boyfriend, ISIS comptroller Cyril Figgis, as well as Malory's lovesick secretary, Cheryl.",
    "nextAiring": "2014-01-21T03:00:00Z",
    "network": "FX",
    "airTime": "7:00pm",
    "images": [
      {
        "coverType": "banner",
        "url": "/MediaCover/7/banner.jpg?lastWrite=635114443841234311"
      },
      {
        "coverType": "poster",
        "url": "/MediaCover/7/poster.jpg?lastWrite=635114443843262329"
      },
      {
        "coverType": "fanart",
        "url": "/MediaCover/7/fanart.jpg?lastWrite=635114443844822347"
      }
    ],
    "seasons": [
      {
        "seasonNumber": 5,
        "monitored": true
      },
      {
        "seasonNumber": 4,
        "monitored": true
      },
      {
        "seasonNumber": 3,
        "monitored": true
      },
      {
        "seasonNumber": 2,
        "monitored": true
      },
      {
        "seasonNumber": 1,
        "monitored": true
      },
      {
        "seasonNumber": 0,
        "monitored": false
      }
    ],
    "year": 0,
    "path": "T:\\Archer (2009)",
    "qualityProfileId": 1,
    "seasonFolder": true,
    "monitored": true,
    "useSceneNumbering": false,
    "runtime": 30,
    "tvdbId": 110381,
    "tvRageId": 23354,
    "firstAired": "2009-09-18T02:00:00Z",
    "lastInfoSync": "2014-01-17T05:10:23.253208Z",
    "seriesType": "standard",
    "cleanTitle": "archer2009",
    "imdbId": "tt1486217",
    "titleSlug": "archer-2009",
    "id": 1
  }
]

这是我试图反序列化的对象:

public class SonarrSeriesWrapper
{
    public SonarrSeries[] SonarrSeries { get; set; }
}

public class Image
{
    public string coverType { get; set; }
    public string url { get; set; }
}

public class Season
{
    public int seasonNumber { get; set; }
    public bool monitored { get; set; }
}

[JsonArray]
public class SonarrSeries
{
    public string title { get; set; }
    public int seasonCount { get; set; }
    public int episodeCount { get; set; }
    public int episodeFileCount { get; set; }
    public string status { get; set; }
    public string overview { get; set; }
    public string nextAiring { get; set; }
    public string network { get; set; }
    public string airTime { get; set; }
    public List<Image> images { get; set; }
    public List<Season> seasons { get; set; }
    public int year { get; set; }
    public string path { get; set; }
    public int qualityProfileId { get; set; }
    public bool seasonFolder { get; set; }
    public bool monitored { get; set; }
    public bool useSceneNumbering { get; set; }
    public int runtime { get; set; }
    public int tvdbId { get; set; }
    public int tvRageId { get; set; }
    public string firstAired { get; set; }
    public string lastInfoSync { get; set; }
    public string seriesType { get; set; }
    public string cleanTitle { get; set; }
    public string imdbId { get; set; }
    public string titleSlug { get; set; }
    public int id { get; set; }
}

还有我的反序列化代码:

var s = JsonConvert.DeserializeObject<SonarrSeriesWrapper>(jsonData);
return s;

但是我得到以下异常:

An exception of type 'Newtonsoft.Json.JsonSerializationException' occurred in Newtonsoft.Json.dll but was not handled in user code

Additional information: Cannot deserialize the current JSON array (e.g. [1,2,3]) into type 'NZBDash.Common.Models.Api.SonarrSeriesWrapper' because the type requires a JSON object (e.g. {"name":"value"}) to deserialize correctly.

To fix this error either change the JSON to a JSON object (e.g. {"name":"value"}) or change the deserialized type to an array or a type that implements a collection interface (e.g. ICollection, IList) like List that can be deserialized from a JSON array. JsonArrayAttribute can also be added to the type to force it to deserialize from a JSON array.

Path '', line 1, position 1.

现在我读到这是因为 JSON 以 [ 开头所以它认为它是一个 JsonArray，但我认为 SonarrSeriesWrapper会解决这个问题(像这样反序列化也会导致错误 JsonConvert.DeserializeObject<List<SonarrSeries>>(jsonData); )

有人知道为什么它不起作用吗？

使用时出错

JsonConvert.DeserializeObject<List<SonarrSeries>>(jsonData);

An exception of type 'Newtonsoft.Json.JsonSerializationException' occurred in Newtonsoft.Json.dll but was not handled in user code

Additional information: Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'NZBDash.Common.Models.Api.SonarrSeries' because the type requires a JSON array (e.g. [1,2,3]) to deserialize correctly.

To fix this error either change the JSON to a JSON array (e.g. [1,2,3]) or change the deserialized type so that it is a normal .NET type (e.g. not a primitive type like integer, not a collection type like an array or List) that can be deserialized from a JSON object. JsonObjectAttribute can also be added to the type to force it to deserialize from a JSON object.

Path '[0].title', line 3, position 13.

Answer 1

您应该从 SonarrSeries 类中删除 JsonArray 属性并像这样反序列化 json。

var s = JsonConvert.DeserializeObject<SonarrSeries[]>(jsonData)[0];
return s;

使用此方法，您不再需要 SonarrSeriesWrapper。