Newtonsoft.Json use

private void button3_Click(object sender, EventArgs e)

{

List<Student> students = new List<Student>();

students.Add(new Student { Id = 1, Name = "张三", Sex = "男", Description = "班长" });

students.Add(new Student { Id = 2, Name = "李四", Sex = "女", Description = "小组长" });

students.Add(new Student { Id = 3, Name = "王五", Sex = "男", Description = "宣传委员" });

string studentsJson = JsonConvert.SerializeObject(students);

MessageBox.Show(studentsJson);

Console.WriteLine(studentsJson);

Dictionary<String, Object> dicList = new Dictionary<string, object>();

Dictionary<String, string> dicSampleList = new Dictionary<string, string>();

dicSampleList.Add("key_1", "111");

dicSampleList.Add("key_2", "222");

dicList.Add("SampleDatas", dicSampleList);

List<Dictionary<string, object>> tableItems = new List<Dictionary<string, object>>();

var properties = typeof(Student).GetProperties();

foreach (var stu in students)

{

Dictionary<string, object> row = new Dictionary<string, object>();

foreach (System.Reflection.PropertyInfo info in properties)

{

var value = stu.GetType().GetProperty(info.Name).GetValue(stu, null);

row.Add(info.Name,value);

}

tableItems.Add(row);

}

dicList.Add("Table1", tableItems);

string customJson = JsonConvert.SerializeObject(dicList);

MessageBox.Show(customJson);

Console.WriteLine(customJson);

var desobj = JsonConvert.DeserializeObject<Dictionary<string, object>>(customJson);

var dicSample =JsonConvert.DeserializeObject<Dictionary<string, object>>(desobj["SampleDatas"].ToString());

var dicTable1 = JsonConvert.DeserializeObject<List<Dictionary<string, object>>>(desobj["Table1"].ToString());

Console.WriteLine(desobj.ToString());

MessageBox.Show(desobj.ToString());

}