{

  "ClassNo": "1",

  "ClassDesc": "Asp.net core",

  "Students": [

    {

      "name": "lili",

      "age": "11"

    },

    {

      "name": "xiaofeng",

      "age": "33"

    },

    {

      "name": "xiaobao",

      "age": "66"

    }

  ]

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Threading.Tasks;

namespace optionBindingDemo

{

    public class Classes

    {

        public string ClassNo { get; set; }

        public string ClassDesc { get; set; }

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

    }

    public class Student

    {

        public string Age { get; set; }

        public string Name { get; set; }

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Threading.Tasks;

using Microsoft.AspNetCore.Builder;

using Microsoft.AspNetCore.Hosting;

using Microsoft.AspNetCore.Http;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.Extensions.Configuration;

namespace optionBindingDemo

{

    public class Startup

    {

        IConfiguration Configuration;

        public Startup(IConfiguration configuration)

        {

            this.Configuration = configuration;

        }

        // This method gets called by the runtime. Use this method to add services to the container.

        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940

        public void ConfigureServices(IServiceCollection services)

        {

        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.

        public void Configure(IApplicationBuilder app, IHostingEnvironment env)

        {

            if (env.IsDevelopment())

            {

                app.UseDeveloperExceptionPage();

            }

            Classes cls = new Classes();

            this.Configuration.Bind(cls);

            app.Run(async (context) =>

            {

                await context.Response.WriteAsync($"ClassNo: {cls.ClassNo}");

                await context.Response.WriteAsync($"ClassDesc: {cls.ClassDesc}");

                await context.Response.WriteAsync($"studentListCount: {cls.Students.Count}");

            });

        }

    }

}