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  • 最简单的Web服务器

    //读取浏览器发过来的内容
    Socket serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
    serverSocket.Bind(new IPEndPoint(IPAddress.Any, 8080));//程序要监听8080端口,如果别的程序已经占了这个端口,那程序就会抛异常
    serverSocket.Listen(10);//启动监听10个用户
    //进行死循环是为了可以多个请求

    while (true)
    {
      Console.WriteLine("等着请求");
      Socket socket = serverSocket.Accept();//等待有人请求,返回上一次Socket的通讯通道
      Console.WriteLine("来了请求了");
      using (NetworkStream stream = new NetworkStream(socket))
      using (StreamReader reader = new StreamReader(stream))
      {
        string line;
        while ((line = reader.ReadLine()) != null)
        {
          Console.WriteLine(line);
          if (line.Length <= 0)
          {
            break;//遇到空行,请求结束,不用再等了
            //如果不break,就一直卡在ReadLine()等着浏览器发出的数据
          }
        }
      }

      //返回给浏览器的内容
      using (NetworkStream stream = new NetworkStream(socket))
      using (StreamWriter write = new StreamWriter(stream))
      {
        write.WriteLine("HTTP/1.1 200 OK");
        write.WriteLine();
        write.WriteLine("welcome to china");
      }
      socket.Disconnect(false);//断开通讯
    }

    启动C#程序,打开浏览器,输入127.0.0.1:8080

    执行结果:

     

    请求报文头内容,在浏览器上面按F12,刷新页面,点Network可以看到如下内容:

    返回内容:

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  • 原文地址:https://www.cnblogs.com/genesis/p/4657153.html
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