using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Net;

using System.Threading;

using System.IO;

//https://docs.microsoft.com/zh-cn/dotnet/api/system.net.httplistener?view=netframework-4.7.2

namespace WebServer

{

    class Program

    {

        static void Main(string[] args)

        {

            try

            {

                using (HttpListener listener = new HttpListener())

                {

                    listener.Prefixes.Add("http://localhost:8888/");

                    listener.Start();

                    Console.WriteLine("开始监听");

                    while (true)

                    {

                        try

                        {

                            HttpListenerContext context = listener.GetContext();//阻塞

                            HttpListenerRequest request = context.Request;

                            string postData = new StreamReader(request.InputStream).ReadToEnd();

                            Console.WriteLine("收到请求：" + postData);

                            HttpListenerResponse response = context.Response;//响应

                            string responseBody = "响应";

                            response.ContentLength64 = System.Text.Encoding.UTF8.GetByteCount(responseBody);

                            response.ContentType = "text/html; Charset=UTF-8";

                            //输出响应内容

                            Stream output = response.OutputStream;

                            using (StreamWriter sw = new StreamWriter(output))

                            {

                                sw.Write(responseBody);

                            }

                            Console.WriteLine("响应结束");

                        }

                        catch (Exception err)

                        {

                            Console.WriteLine(err.Message);

                        }

                    }

                }

            }

            catch (Exception err)

            {

                Console.WriteLine("程序异常，请重新打开程序：" + err.Message);

            }

        }

    }

}