如何反序列化嵌套的json

Question

I have two APIs:

1. GetDeviceInfo(string addr) , which returns JSON data for a single device as follows:

    { "DeviceName": "TCatPlcCtrl", "TurbineName": "WTG2", "State": "run", "TurbineType": "1500", "Version": "2.11.1816" } 

2. GetAllDeviceInfo() , which returns a collection of device data with IP addresses:

    { "192.168.151.1": { "DeviceName": "TCatPlcCtrl", "TurbineName": "WTG2", "State": "run", "TurbineType": "1500", "Version": "2.11.1816" }, "192.168.151.33": { "DeviceName": "TCatPlcCtrl", "TurbineName": "WTG2", "State": "stop", "TurbineType": "1500", "Version": "2.11.2216" } } 

For API GetDeviceInfo(string addr) , I have tried NewtonSoft.Json and got correct data by calling JsonConvert.DeserializeObject<ModelClass>(content) .

But I dont know how to deserialize nested JSON data returned by the GetAllDeviceInfo() API.

Answer 1

Assuming your model class is defined like this:

public class DeviceInfo
{
    public string DeviceName { get; set; }
    public string TurbineName { get; set; }
    public string State { get; set; }
    public string TurbineType { get; set; }
    public string Version { get; set; }
}

Then, for the first JSON, you can deserialize like this:

var device = JsonConvert.DeserializeObject<DeviceInfo>(json);

And for the second case, you can deserialize to a dictionary, where the keys are the IP addresses, and the values are the devices:

var dict = JsonConvert.DeserializeObject<Dictionary<string, DeviceInfo>>(json2);

Demo fiddle: https://dotnetfiddle.net/Hs9OJo