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MVC Newtonsoft.Json解析JSON字符串

2015-08-20 16:05 609 查看
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Web.Mvc;

namespace WebApplication1.Controllers
{
public class JsonTestController : Controller
{
public ActionResult Index()
{
//using Newtonsoft.Json;
try
{
#region 单条数据
string jsonString = "{\"ID\":1,\"ClassName\":\"name1\",\"Students\":[{\"ID\":1,\"StudentName\":\"StudentName1\",\"ClassID\":0},{\"ID\":2,\"StudentName\":\"StudentName2\",\"ClassID\":0}]}";
Classes model = (Classes)JsonConvert.DeserializeObject(jsonString, typeof(Classes));
Classes objModel = JsonConvert.DeserializeObject<Classes>(jsonString);
List<Student> studentList = model.Students;
#endregion

#region 列表数据
string jsonList = "[{\"ID\":1,\"ClassName\":\"name1\"},{\"ID\":2,\"ClassName\":\"name2\"},{\"ID\":3,\"ClassName\":\"name3\"},{\"ID\":4,\"ClassName\":\"name4\"},{\"ID\":5,\"ClassName\":\"name5\"}]";
List<Classes> list = (List<Classes>)JsonConvert.DeserializeObject(jsonList, typeof(List<Classes>));
List<Classes> objList = JsonConvert.DeserializeObject<List<Classes>>(jsonList);

#endregion
}
catch (Exception)
{
throw;
}
return View();
}
}

public class Classes
{
public int ID { get; set; }

public string ClassName { get; set; }

public List<Student> Students { get; set; }
}

public class Student
{
public int ID { get; set; }

public string StudentName { get; set; }

public int ClassID { get; set; }
}
}


List<DictionaryObj>对象转换Json字符串

public void ObjectToJson()
{
List<DictionaryObj> list = new List<DictionaryObj>();
for (int i = 0; i < 10; i++)
{
DictionaryObj model = new DictionaryObj();
model.id = i;
model.name = "name" + i.ToString();
list.Add(model);
}
JavaScriptSerializer serializer = new JavaScriptSerializer();
string json = serializer.Serialize(list);
}

public class DictionaryObj
{
public int id { get; set; }

public string name { get; set; }
}


输出结果

[
{"id":0,"name":"name0"},{"id":1,"name":"name1"},{"id":2,"name":"name2"},
{"id":3,"name":"name3"},{"id":4,"name":"name4"},{"id":5,"name":"name5"},
{"id":6,"name":"name6"},{"id":7,"name":"name7"},{"id":8,"name":"name8"},
{"id":9,"name":"name9"}
]
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