简单的c# TCP通讯

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TCP通讯

2009年8月23日星期日

服务器

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.IO;

using System.Net.Sockets;

using System.Threading;

using System.Net;

using System.Collections;

namespace 服务器

{

public partial class Form1 : Form

{

//变量

private ThreadStart start;

private Thread listenThread,client_th;

static private bool m_bListening = false;

static private System.Net.IPAddress MyIP = System.Net.IPAddress.Parse("127.0.0.1");

static private TcpListener listener = new TcpListener(MyIP, 5567);

private String msg;

ArrayList clientArray = new ArrayList();

public Form1()

{

InitializeComponent();

Control.CheckForIllegalCrossThreadCalls = false;

start = new ThreadStart(startListen);

listenThread = new Thread(start);

}

private void btnStart_Click(object sender, EventArgs e)

{

if (m_bListening)

{

m_bListening = false;

label4.Text = "Server Idle...";

}

else

{

m_bListening = true;

listenThread.Start();

label4.Text = "Server Listening...";

}

private void showmore()

{

textBox1.Text = msg;

}

private void startListen()

{

//textBox1.Text = "listening...";

listener.Start();

//接收数据

while (m_bListening)

{

//测试是否有数据

try

{

TcpClient client = listener.AcceptTcpClient();

clientArray.Add(client);

ParameterizedThreadStart threadStart = new ParameterizedThreadStart(AcceptMsg);

client_th = new Thread(threadStart);

client_th.Start(client);

}

catch (Exception re)

{

MessageBox.Show(re.Message);

}

listener.Stop(); //

}

private void AcceptMsg(object arg)

{

TcpClient client = (TcpClient)arg;

NetworkStream ns = client.GetStream();

//StreamReader sr = new StreamReader(ns);//流读写器

//字组处理

while (true)

{

try

{

byte[] bytes = new byte[1024];

int bytesread = ns.Read(bytes, 0, bytes.Length);

msg = Encoding.Default.GetString(bytes, 0, bytesread);

//显示

//MessageBox.Show(msg);

showmore();

ns.Flush();

//ns.Close();

}

catch

{

MessageBox.Show("与客户端断开连接了");

break;

}

private void btnSend_Click(object sender, EventArgs e)

{

object a = clientArray[0];

TcpClient client = (TcpClient)clientArray[0];

if (client == null)

return;

NetworkStream sendStream = client.GetStream();

String msg = textBox1.Text;

Byte[] sendBytes = Encoding.Default.GetBytes(msg);

sendStream.Write(sendBytes, 0, sendBytes.Length);

sendStream.Flush();

//sendStream.Close();

}

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.IO;

using System.Net.Sockets;

using System.Threading;

namespace 客户端

{

public partial class Form1 : Form

{

private TcpClient client;

private Thread client_th;

public Form1()

{

InitializeComponent();

Control.CheckForIllegalCrossThreadCalls = false;

}

private void button1_Click(object sender, EventArgs e)

{

String mystr = textBox1.Text;

string ip = "127.0.0.1";

this.connect_s(ip);

}

public void connect_s(string ip)

{

try

{

client = new TcpClient(ip, 5567);

ThreadStart threadStart = new ThreadStart(AcceptMsg);