【ASP.NET】编写自己的Web服务器

  自己写一个简单的Web服务器,对加深理解Http协议有很好的帮助,下面就看一下一个基于TcpListener的Web服务器:

class Program

    {

        static void Main(string[] args)

        {

            IPAddress address = IPAddress.Loopback;

            IPEndPoint endPoint = new IPEndPoint(address, 49152);



            TcpListener newserver = new TcpListener(endPoint);

            newserver.Start();

            Console.WriteLine("开始监听......");

            

            while (true)

            {

                TcpClient newclient = newserver.AcceptTcpClient();

                Console.WriteLine("已经建立连接");



                NetworkStream ns = newclient.GetStream();



                System.Text.Encoding utf8 = System.Text.Encoding.UTF8;



                byte[] request=new byte[4096];

                int lehgth = ns.Read(request, 0, 4096);

                string requestString = utf8.GetString(request);



                Console.WriteLine(requestString);



                string statusLine = "HTTP/1.1 200 OK\r\n";

                byte[] statusLineBytes = utf8.GetBytes(statusLine);



                string responseBody = "<html><head><body><h1>hello world</h1></body></head></html>";



                byte[] responseBodyBytes = utf8.GetBytes(responseBody);



                //回应头部分

                string responseHeader = string.Format("Content-Type:text/html;charset=UTF-8\r\nContent-Length:{0}\r\n",responseBody.Length);



                byte[] responseHeaderBytes = utf8.GetBytes(responseHeader);



                ns.Write(statusLineBytes, 0, statusLineBytes.Length);

                ns.Write(responseHeaderBytes, 0, responseHeaderBytes.Length);

                ns.Write(new byte[] { 13, 10 }, 0, 2);

                ns.Write(responseBodyBytes, 0, responseBodyBytes.Length);

                newclient.Close();



                if (Console.KeyAvailable)

                    break;

            }

            newserver.Stop();

        }


运行程序,然后打开浏览器,在浏览器窗口中输入服务器的地址:http://localhost:49152,这时就回看到服务器返回的数据。

 

  

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