using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.IO;
 
 
namespace socketClient
{
    public partial class Form1 : Form
    {
        Socket clientSocket;
        private static byte[] result = new byte[1024];
        
        public Form1()
        {
            InitializeComponent();
        }
        
 
        private void buttonBegin_Click(object sender, EventArgs e)
        {
            //设定服务器IP地址
            IPAddress ip = IPAddress.Parse("127.0.0.1");
            clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            try
            {
                clientSocket.Connect(new IPEndPoint(ip, 8000)); //配置服务器IP与端口
            }
            catch
            {
                MessageBox.Show("连接服务器失败");
 
                return;
            }       
        }
 
        private void buttonClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
private void buttonSelect_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFile = new OpenFileDialog();
            openFile.Filter = "图像文件(*.bmp;*.gif;*.jpg;*.jpeg;*.png)|*.bmp;*.gif;*.jpg;*.jpeg;*.png";
            openFile.Multiselect = false;
 
            if (openFile.ShowDialog() == DialogResult.OK)
            {
                textBox2.Text =openFile.FileName;
            }
            //string filename = openFile.FileName;
            //即返回带全路径的文件名
 
            //Path.GetFileNameWithoutExtension(filename)即可获得不带路径、后缀名的文件名。
            byte[] msg = Encoding.Default.GetBytes(Path.GetFileNameWithoutExtension(openFile.FileName));
            clientSocket.Send(msg);
 
            try
            {
                //开始使用socket发送文件
                FileStream fs = new FileStream(openFile.FileName, FileMode.OpenOrCreate, FileAccess.Read);
                byte[] fssize = new byte[fs.Length];
                BinaryReader strread = new BinaryReader(fs);
                strread.Read(fssize, 0, fssize.Length - 1);
                clientSocket.Send(fssize);
                fs.Close();
 
                clientSocket.Shutdown(System.Net.Sockets.SocketShutdown.Send);
                clientSocket.Close();
 
            }
            catch (Exception ex)
            {
                string s = ex.ToString();
                return;
            }
        }
}
}


//csharp/6885