C＃ Newtonsoft.Json中JObject的使用

目录

案例1

json

代码

运行

案例2

json

代码

运行

案例3

json

代码

运行

案例4 

json

代码

运行

---

案例1

json

{
	"Name": "Jack",
	"Age": 34,
	"Colleagues": [{
		"Name": "Tom",
		"Age": 44
	}, {
		"Name": "Abel",
		"Age": 29
	}]
}

代码

using Newtonsoft.Json.Linq;
using System;

namespace JObject案例
{
    class Program
    {
        static void Main(string[] args)
        {
            string json = "{\"Name\" : \"Jack\", \"Age\" : 34, \"Colleagues\" : [{\"Name\" : \"Tom\" , \"Age\":44},{\"Name\" : \"Abel\",\"Age\":29}] }";
            JObject jObject1 = JObject.Parse(json);

            string name = jObject1["Name"].ToString();
            string age = jObject1["Age"].ToString();

            string colleagues1_name = jObject1["Colleagues"][0]["Name"].ToString();
            string colleagues1_age = jObject1["Colleagues"][0]["Age"].ToString();

            Console.WriteLine(name);
            Console.WriteLine(age);
            Console.WriteLine(colleagues1_name);
            Console.WriteLine(colleagues1_age);

            Console.ReadKey();
        }
    }
}

运行

案例2

json

{
	"ID": 1,
	"Name": "张三",
	"Favorites": ["吃饭", "睡觉"]
}

代码

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;

namespace JObject案例
{
    class Program
    {
        static void Main(string[] args)
        {
            string json = "{\"ID\":1,\"Name\":\"张三\",\"Favorites\":[\"吃饭\",\"睡觉\"]}";
            JObject jObject1 = JObject.Parse(json);

            Console.WriteLine(jObject1["ID"]);
            Console.WriteLine(jObject1["Name"]);
            Console.WriteLine(jObject1["Favorites"][0]);
            Console.WriteLine(jObject1["Favorites"][1]);

            Console.ReadKey();
        }
    }
}

运行

案例3

json

{
	"input": {
		"size": 193156,
		"type": "image/png"
	},
	"output": {
		"size": 59646,
		"type": "image/png",
		"width": 487,
		"height": 284,
		"ratio": 0.3088,
		"url": "https://www.baidu.com"
	}
}

代码

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.IO;
using System.Text;

namespace JObject案例
{
    class Program
    {
        static void Main(string[] args)
        {
            string json = "{\"input\":{\"size\":193156,\"type\":\"image/png\"},\"output\":{\"size\":59646,\"type\":\"image/png\",\"width\":487,\"height\":284,\"ratio\":0.3088,\"url\":\"https://www.baidu.com\"}}";
            JObject jObject1 = JObject.Parse(json);

            Console.WriteLine(jObject1["input"]["size"]);
            Console.WriteLine(jObject1["input"]["type"]);
            Console.WriteLine(jObject1["output"]["size"]);
            Console.WriteLine(jObject1["output"]["type"]);

            Console.ReadKey();
        }
    }
}

运行

案例4 

json

{
	"code": "SUCCESS",
	"msg": null,
	"data": [{
		"id": 31783735,
		"residentInfoId": 2000099151,
		"doctorId": "89bd0716-f916-4e51-93f7-4d416830f03c"
	}]
}

代码

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.IO;
using System.Text;

namespace JObject案例
{
    class Program
    {
        static void Main(string[] args)
        {
            string json = "{\"code\":\"SUCCESS\",\"msg\":null,\"data\":[{\"id\":31783735,\"residentInfoId\":2000099151,\"doctorId\":\"89bd0716-f916-4e51-93f7-4d416830f03c\"}]}";
            JObject jObject1 = JObject.Parse(json);

            Console.WriteLine(jObject1["code"]);
            Console.WriteLine(jObject1["SUCCESS"]);
            Console.WriteLine(jObject1["data"][0]["id"]);
            Console.WriteLine(jObject1["data"][0]["residentInfoId"]);
            Console.WriteLine(jObject1["data"][0]["doctorId"]);

            Console.ReadKey();
        }
    }
}

运行

end