c# - - - json字符串获取值,json字符串转实体类

json字符串获取值

using Newtonsoft.Json.Linq;
using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");

            string mStr = "{\"shenzhen\":\"深圳\",\"beijing\":\"北京\",\"shanghai\":[{\"zj1\":\"zj11\",\"zj2\":\"zj22\"},\"zjs\"]}";
            Console.WriteLine(mStr); //{"shenzhen":"深圳","beijing":"北京","shanghai":[{"zj1":"zj11","zj2":"zj22"},"zjs"]}

            JObject mJobject = JObject.Parse(mStr);

            string shenzhen = mJobject["shenzhen"].ToString(); //深圳
            Console.WriteLine(shenzhen);

            string shagnhai = mJobject["shanghai"].ToString(); //[{\"zj1\":\"zj11\",\"zj2\":\"zj22\"},\"zjs\"]
            Console.WriteLine(shagnhai);

            string zjs = mJobject["shanghai"][1].ToString(); //zjs
            Console.WriteLine(zjs);

            JToken zjl = mJobject["shanghai"][0];
            Console.WriteLine(zjl.ToString()); //{\"zj1\":\"zj11\",\"zj2\":\"zj22\"}

            JToken zj1 = zjl["zj1"];
            Console.WriteLine(zj1.ToString()); //zj11

            Console.ReadKey();
        }
    }
}

json字符串转实体

参考: https://blog.csdn.net/qq_36694133/article/details/116708853

新建Student类

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApp1
{
    /// <summary>
    /// 学生
    /// </summary>
    public class Student
    {
        /// <summary>
        /// 姓名
        /// </summary>
        public string Name { get; set; }
        /// <summary>
        /// 年龄
        /// </summary>
        public int Age { get; set; }
        /// <summary>
        /// 班级
        /// </summary>
        public string Classroom { get; set; }
    }
}

json字符串转实体类

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

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
            
			//实体转json字符串
            Student mStudent = new Student();
            mStudent.Name = "张三";
            mStudent.Age = 23;
            mStudent.Classroom = "101";

            string mStudentStr = new JavaScriptSerializer().Serialize(mStudent);
            Console.WriteLine(mStudentStr); //{"name":"张三","age":23,"classroom":"101"}
            
			//json字符串转实体
            string mStr1 = "{\"name\":\"李四\",\"age\":22,\"classroom\":\"102\"}";
            Student mStudent1 = new JavaScriptSerializer().Deserialize<Student>(mStr1);
            //姓名:李四,年龄:22,班级:102.
            Console.WriteLine("姓名:{0},年龄:{1},班级:{2}.", mStudent1.Name, mStudent1.Age, mStudent1.Classroom);

            Console.ReadKey();
        }
    }
}