c#2005如何通过socket传输图片

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发送端

using Microsoft.Win32;

using System.Drawing.Imaging;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Data.SqlClient;
using System.Configuration;
using System.Net.NetworkInformation;

#endregion

        ///   <summary>
        ///   应用程序的主入口点。
        ///   </summary>
        public string StrIp = "";

System.Net.Sockets.Socket sendsocket = new System.Net.Sockets.Socket(System.Net.Sockets.AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);

// *********************************************************************************************最小化托盘
            this.Hide();
            this.ShowInTaskbar = false;
            string starupPath = Application.ExecutablePath;
            RegistryKey loca = Registry.LocalMachine;
            RegistryKey run = loca.CreateSubKey("SOFTWARE//Microsoft//Windows//CurrentVersion//Run");
            try
            {
                run.SetValue("ss", starupPath);
                //MessageBox.Show("开机自动启动设置成功！！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information)
                loca.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message.ToString(), "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
          //    ****************************************************************************************最小化托盘

            //实例化socket
            System.Net.IPEndPoint ipendpiont = new System.Net.IPEndPoint(System.Net.IPAddress.Parse(StrIp.Replace("'", "''").Trim()),8080);
            try
            {
                sendsocket.Connect(ipendpiont);
            }
            catch (Exception se)
            {
                // MessageBox.Show("连接错误" + se.Message, "提示信息", MessageBoxButtons.RetryCancel, MessageBoxIcon.Information);
                sendsocket.Close();
                return;
            }
            try
            {
                  //********************开始使用socket发送文件********************//
                //建立终结点
                System.IO.FileStream fs = new System.IO.FileStream("d://新建文件夹//a.jpg", System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.Read);
                byte[] fssize = new byte[fs.Length];
                System.IO.BinaryReader strread = new System.IO.BinaryReader(fs);
                strread.Read(fssize, 0, fssize.Length - 1);
                sendsocket.Send(fssize);
                fs.Close();
                sendsocket.Shutdown(System.Net.Sockets.SocketShutdown.Send);
                sendsocket.Close();
                //***********************************************************************************************************end*******************************************************//
            }
            catch (Exception ex)
            {
                string s = ex.ToString();
                return;
            }
            finally
            {
                //强制关闭发送连接
                sendsocket.Close();
            }

#region 时钟连接
        private void timer1_Tick(object sender, EventArgs e)
        {
            if (sendsocket.Connected)
            {
                this.label1.Text = "连接成功";
            }
            else
            {
                return;
            }
        }
        #endregion

接收端

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

using System.Drawing;
using System.Text;
using System.Net;
using System.IO;
using System.Net.Sockets;
using System.Drawing.Imaging;
using System.Threading;
using Microsoft.Win32;
using System.Data.SqlClient;

public partial class Admin_FilmPic : System.Web.UI.Page
{
System.Net.Sockets.Socket receivesocket = new System.Net.Sockets.Socket(System.Net.Sockets.AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
System.Net.IPEndPoint hostipendpoint = new System.Net.IPEndPoint(System.Net.IPAddress.Any, 8080);

    #region 初始化
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

        }
    }
    #endregion

    #region 监听和连接
    //监听和连接
    protected void Button2_Click(object sender, EventArgs e)
    {

try
{

            //设置接收数据缓冲区的大小
            byte[] b = new byte[1024 * 4];   //1024* 4
            receivesocket.Bind(hostipendpoint);
            //监听
            receivesocket.Listen(2);
            this.Label1.Text = "已经开始监听";
            System.Net.Sockets.Socket hostsocket = receivesocket.Accept();
            //如何确定该数组大小
            System.IO.MemoryStream fs = new System.IO.MemoryStream();

int got = 0;
int datalength = 0;

            while (true)
            {
                got = hostsocket.Receive(b);
                fs.Write(b, 0, got);
                if (got > 0)
                    datalength = datalength + got;
                else
                    break;
            }
            Bitmap Img = new Bitmap(fs);
            Img.Save(Server.MapPath(Request.ApplicationPath) + "//pic//a.jpg", ImageFormat.Jpeg);
            string aa = Server.MapPath(Request.ApplicationPath) + "//pic//a.jpg";
            this.Image1.ImageUrl = aa;
            this.Image1.Width = 600;
            this.Image1.Height = 400;
            //关闭写文件流
            fs.Close();
            //关闭接收数据的Socket
            hostsocket.Shutdown(System.Net.Sockets.SocketShutdown.Receive);
            hostsocket.Close();
            //关闭发送连接
            receivesocket.Close();
            // this.Response.Write(" <script language=javascript>alert('传输成功！');</script>");

        }
        catch (Exception se)
        {
            receivesocket.Close();
            this.Response.Write("连接错误" + se.ToString());
            return;
        }
        finally
        {
            //强制关闭发送连接
            receivesocket.Close();
        }
    }

#endregion
}