[英]How to deserialize json object into class
I have the following json string: 我有以下json字符串:
private const string Json = @"{
'responseMessage': '',
'response': 'PASS',
'responseData': {
'user': {
'initials': 'XXX',
'name': 'XXXX XXXX',
'companies': [
'0002',
'0007',
'0022',
'0033',
'9999'
],
'employee': 'XXXX'
}
},
'responseFor': 'myCommand'
}'";
My ServerResponse class looks like this: 我的ServerResponse类如下所示:
[JsonObject(MemberSerialization.OptIn)]
public class ServerResponse
{
[JsonProperty("responseFor")]
public string ResponseFor { get; set; }
[JsonProperty("responseData")]
public string ResponseData { get; set; }
[JsonProperty("response")]
public string Response { get; set; }
[JsonProperty("responseMessage")]
public string ResponseMessage { get; set; }
}
I call this command: 我称这个命令:
var serverResponse = JsonConvert.DeserializeObject<ServerResponse>(Json);
I would expect that this would fill in my serverResponse object but instead I get this exception: 我希望这将填充我的serverResponse对象,但我得到了以下异常:
{Newtonsoft.Json.JsonReaderException: Error reading string. Unexpected token: StartObject. Path 'responseData', line 4, position 30.
at Newtonsoft.Json.JsonReader.ReadAsStringInternal () [0x00000] in <filename unknown>:0
at Newtonsoft.Json.JsonTextReader.ReadAsString () [0x00000] in <filename unknown>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadForType (Newtonsoft.Json.JsonReader reader, Newtonsoft.Json.Serialization.JsonContract contract, Boolean hasConverter) [0x00000] in <filename unknown>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject (System.Object newObject, Newtonsoft.Json.JsonReader reader, Newtonsoft.Json.Serialization.JsonObjectContract contract, Newtonsoft.Json.Serialization.JsonProperty member, System.String id) [0x00000] in <filename unknown>:0 }
What am I doing wrong here?? 我在这里做错了什么?
You need a class for ResponseData in order for the serialization to work, as the value for it in your json is not a string. 您需要一个ResponseData类,以便序列化工作,因为json中的值不是字符串。 You'll also need one for User.
用户还需要一个。
Create response data and user classes that looks something like this. 创建看起来像这样的响应数据和用户类。
[JsonObject(MemberSerialization.OptIn)]
public class User
{
[JsonProperty("initials")]
public string Initials { get; set; }
[JsonProperty("name")]
public string Name { get; set; }
[JsonProperty("companies")]
public string[] Companies { get; set; }
[JsonProperty("responseMessage")]
public string ResponseMessage { get; set; }
}
[JsonObject(MemberSerialization.OptIn)]
public class ResponseData
{
[JsonProperty("user")]
public User User { get; set; }
[JsonProperty("employee")]
public string Employee { get; set; }
}
Then in your ServerResponse class, change ResponseData to use this ResponseData class. 然后在ServerResponse类中,将ResponseData更改为使用此ResponseData类。
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