如何反序列化包含定界JSON的JSON? [英] How can I deserialize JSON containing delimited JSON?

问题描述

将Json字符串反序列化为对象时遇到问题.

I have a problem with deserializing a Json-string to an object.

这是我从网络服务中收到的一个示例json:

This is a sample json i receive from a webservice:

{
    "GetDataResult":
                 "{
                     \"id\":1234,
                     \"cityname\":\"New York\",
                     \"temperature\":300,
                  }"
}

我有一个类似于以下内容的CityData类

And I have a class CityData that looks like this

[JsonObject("GetDataResult")]
public class CityData
{
    [JsonProperty("id")]
    public int Id { get; set; }

    [JsonProperty("cityname")]
    public string CityName { get; set; }

    [JsonProperty("temperature")]
    public int Temperature { get; set; }
}

我尝试通过调用方法DeserializeObject反序列化json

I try to deserialize the json with a call of the method DeserializeObject

var cityData = JsonConvert.DeserializeObject<CityData>(response);

但是根元素似乎出了问题...

but the root element seems to make problems...

你们知道我该如何解决它，以便收到填充了数据的CityData对象吗?

Do you guys know how I can fix it, so that I receive a CityData-object with the data filled in?

推荐答案

json响应包含一个对象，该对象本身包含一个代表数据结果的json字符串.

The json response contains an object that within itself contains a json string representing the data result.

您需要反序列化两次，一次用于响应，另一次用于数据结果.

You need to deserialize twice, once for the response and one more for the data result.

var response = JsonConvert.DeserializeObject<JObject>(responseStr);
var dataResult = (string)response["GetDataResult"];
var cityData = JsonConvert.DeserializeObject<CityData>(dataResult);

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