使用Newtonsoft.Json反序列化JSON对象

时间:2018-11-25 12:20:10

标签: c# .net json json.net

我有API端点,该端点返回我的JSON对象

在这里

 {
    "results": [
        {
            "id": 182,
            "title": "1-Day Private Beijing Tour to Tian'anmen Square, Forbidden City and Badaling Great Wall",
            "price": "162",
            "duration": "8",
            "duration_type": "1",
            "cover_image": {
                "id": 308,
                "img_path": "upload/images",
                "img_file": "6d637884086151b30fe12db52fbaf5eb.jpg",
                "status": "",
                "created_at": "2018-02-27 02:25:36",
                "updated_at": "2018-02-27 02:25:36",
                "destination_id": "182",
                "is_cover": "0",
                "url": "https://api.xplorpal.com/upload/images/300x300/6d637884086151b30fe12db52fbaf5eb.jpg"
            }
        },
        {
            "id": 183,
            "title": "One Day Private Beijing Tour to Mutianyu Great Wall and Summer Palace ",
            "price": "197",
            "duration": "8",
            "duration_type": "1",
            "cover_image": {
                "id": 305,
                "img_path": "upload/images",
                "img_file": "1f8a09ddffb80ef9232f3511893ae5c4.jpg",
                "status": "",
                "created_at": "2018-02-27 02:22:19",
                "updated_at": "2018-03-01 23:01:55",
                "destination_id": "183",
                "is_cover": "0",
                "url": "https://api.xplorpal.com/upload/images/300x300/1f8a09ddffb80ef9232f3511893ae5c4.jpg"
            }
        }
 ]
}

我需要反序列化

所以我写了这个模型

    public class CoverImage
{
    public int id { get; set; }
    public string img_path { get; set; }
    public string img_file { get; set; }
    public string status { get; set; }
    public string created_at { get; set; }
    public string updated_at { get; set; }
    public string destination_id { get; set; }
    public string is_cover { get; set; }
    public string url { get; set; }
}

public class Result
{
    public int id { get; set; }
    public string title { get; set; }
    public string price { get; set; }
    public string duration { get; set; }
    public string duration_type { get; set; }
    public CoverImage cover_image { get; set; }
}

public class RootObject
{
    public List<Result> results { get; set; }
}

并尝试这样

var responseExperiences = JsonConvert.DeserializeObject<IEnumerable<RootObject>>(content);

但是当我运行项目时,出现此错误:

  

无法将当前JSON对象(例如{“ name”:“ value”})反序列化为类型'System.Collections.Generic.IEnumerable`1 [TravelApp.Models.GettingExperiences + Results]',因为该类型需要JSON数组(例如[1,2,3])正确反序列化。   要解决此错误,可以将JSON更改为JSON数组(例如[1,2,3]),也可以更改反序列化类型,使其成为普通的.NET类型(例如,不像整数这样的原始类型,也不像这样的集合类型数组或列表),可以从JSON对象反序列化。还可以将JsonObjectAttribute添加到类型中,以强制其从JSON对象反序列化。

我该如何解决?

3 个答案:

答案 0 :(得分:1)

您的API返回的对象只有一个名为result的属性,而不是集合。您应该反序列化为RootObject对象。

答案 1 :(得分:1)

您的JSON显示了一个与result相对应的对象RootObject

但是您正在尝试反序列化IEnumerable<>数组RootObject

您应该使用它来反序列化显示的JSON:

JsonConvert.DeserializeObject<RootObject>(content);

答案 2 :(得分:1)

您的api返回一个名为 result 的单个对象,而不是您需要简单地像单个对象一样取消精化的集合。

var responseExperiences = JsonConvert.DeserializeObject<RootObject>(content);