C#写的一段与HTTP响应的接收和发送消息的代码没法跑通求教原因

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;



using System.Net;

using System.Threading;

using System.Net.Sockets;

using System.Diagnostics;



namespace myInitialProject

{

    public partial class Form2 : Form

    {

        Thread serverThread;

        Thread clientThread;

        Socket serverSocket;





        private byte[] result = new byte[1024];

        //Socket clientSocket;

        public Form2()

        {

            InitializeComponent();

        }





        public void ServerStart()

        {

            listBoxInfo.Items.Add("Server Start...");

            string host = "127.0.0.1"; // Form1就通过IPAddress.Any去定义

            int nPort = 10000;

            serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            serverSocket.Bind(new IPEndPoint(IPAddress.Parse(host), nPort));

            serverSocket.Listen(10);

            serverThread = new Thread(ListenClientConnect); // 监听客户端

            serverThread.Start();

        }



        /// <summary>

        /// 监听客户端连接

        /// </summary>

        public void ListenClientConnect()

        {

            while (true)

            {

                Socket clientSocket = serverSocket.Accept();

                //clientSocket.Send(Encoding.UTF8.GetBytes("已连接服务器"));

                Thread receiveThread = new Thread(ReceiveMessage);

                //设置为后台线程，随着主线程退出而退出 

                receiveThread.IsBackground = true;

                receiveThread.Start(clientSocket);

            }

        }



        /// <summary>

        /// 接收信息

        /// </summary>

        /// <param name="clientSocket"></param>

        public void ReceiveMessage(object clientSocket)

        {

            Socket myClientSocket = (Socket)clientSocket;

            byte[] data = new byte[1024];

            int nReceiveNumber;







            byte[] tempData = new byte[1024 * 2]; // 浏览器发来的数据

            int reciverNumber = myClientSocket.Receive(tempData);

            string tempStr = Encoding.UTF8.GetString(tempData, 0, reciverNumber);



            string resdata = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + "  server request time:" + 0;

            byte[] body = Encoding.UTF8.GetBytes(resdata);

            byte[] head = Encoding.UTF8.GetBytes(@"HTTP/1.1 200 OK

                                Content-Length: " + body.Length + @"

                                Content-Type: text/plain

                                Date: " + string.Format("{0:R}", DateTime.Now) + @"

                                Server: Cftea Web Server" + resdata);

            StringBuilder sb = new StringBuilder();

            sb.Append("HTTP/1.1 200 OK\r\n");

            sb.Append("Content-Type: text/plain\r\n");

            sb.Append("\r\n");

            sb.Append("测试返回的数据\r\n");

            byte[] responseData = Encoding.UTF8.GetBytes(sb.ToString());

            myClientSocket.Send(responseData);

            myClientSocket.Close();

            /*while (true)

            {

                try

                {

                    

                    // 接收数据

                    nReceiveNumber = myClientSocket.Receive(result);

                    if (nReceiveNumber == 0)

                    {

                        return;

                    }



                   



                    string strMessage = Encoding.UTF8.GetString(result, 0, nReceiveNumber);

                    // 这里打印出客户端发送回来的消息

                    Trace.WriteLine("接收到的返回信息:" + myClientSocket.RemoteEndPoint.ToString() + "  " + strMessage);

                    // 发送回客户端

                    //string strWelcome = "已连接上服务器";

                    

                    // 取得字符串的字节序列

                    //data = Encoding.UTF8.GetBytes(strWelcome);

                    //myClientSocket.Send(data, data.Length, SocketFlags.None);

                    // 短连接 发送完关闭SOCKET

                    //myClientSocket.Close();

                    if (myClientSocket.Connected)

                    {

                        // 判断客户端是否已关闭

                        // 此方法不能检测某些类型的连接问题，

                        // 例如，网络电缆中断或远程主机意外关闭。您必须尝试发送或接收数据以检测这些类型的错误。

                        if (myClientSocket.Poll(0, SelectMode.SelectRead))

                        {

                            

                            {

                                

                                //if (nRead == 0)

                                {

                                    myClientSocket.Close();

                                    MessageBox.Show("客户端已关闭");

                                    break;

                                }

                            }

                        }

                        else

                        {

                            MessageBox.Show("客户端未关闭");

                        }

                    }



                }

                catch (System.Exception ex)

                {

                    MessageBox.Show("server listening Error: " + ex.Message);

                    // 禁止发送和上传

                    //myClientSocket.Shutdown(SocketShutdown.Both);

//                     if(myClientSocket.Poll(-1, SelectMode.SelectRead))

//                     {

//                         byte[] judgeData = new byte[1];

//                         int nRead = myClientSocket.Receive(judgeData, SocketFlags.Peek);

//                         if(nRead  != 0)

//                             myClientSocket.Close();

//                     }

                    

                   break;

                }

            }*/

        }



        /// <summary>

        /// 监听按钮

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void btnListen_Click(object sender, EventArgs e)

        {

            ServerStart();

        }



        private void Form2_FormClosed(object sender, FormClosedEventArgs e)

        {

            try

            {

                if (serverSocket != null)

                {

                    serverSocket.Close();

                }

                if (serverThread != null)

                {

                    // Thread对象有个IsBackground属性，设置为true即可，在主线程关闭时，子线程随之关闭

                    serverThread.IsBackground = true;

                }

            }

            catch (System.Exception ex)

            {

                MessageBox.Show(ex.Message);



            }

        }

    }

}