实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.ComponentModel;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Collections;
namespace FlyMessage
{
public partial class FrmMain : Form
{
///// <summary>
///// 皮肤控件
///// </summary>
//private Sunisoft.IrisSkin.SkinEngine skinEngine1;
/// <summary>
/// 定义作为服务器端接受信息套接字
/// </summary>
public Socket socketReceive = null;
/// <summary>
/// 定义作为客户端发送信息套接字
/// </summary>
public Socket socketSent = null;
/// <summary>
/// 定义接受信息的IP地址和端口号
/// </summary>
public IPEndPoint ipReceive = null;
/// <summary>
/// 定义发送信息的IP地址和端口号
/// </summary>
public IPEndPoint ipSent = null;
/// <summary>
/// 定义接受信息的套接字
/// </summary>
public Socket chat = null;
//定义是否封装
public string pack = "0";
//public static Thread tBroadCast;
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new FrmMain());
}
/// <summary>
/// 构造函数
/// </summary>
public FrmMain()
{
FrmMain.CheckForIllegalCrossThreadCalls = false;
InitializeComponent();
//this.skinEngine1 = new Sunisoft.IrisSkin.SkinEngine(((System.ComponentModel.Component)(this)));
//this.skinEngine1.SkinFile = "Midsummer.ssk";
}
/// <summary>
/// 窗体加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FrmMain_Load(object sender, EventArgs e)
{
UdpThread startUdpThread = new UdpThread(this.lvwDisplayUser, this.lblUserCount);
Thread tUdpThread = new Thread(new ThreadStart(startUdpThread.StartUdpThread));
tUdpThread.IsBackground = true;
tUdpThread.Start();
LanBroadCast broadCast = new LanBroadCast();
Thread tBroadCast = new Thread(new ThreadStart(broadCast.BroadCast));
tBroadCast.IsBackground = true;
tBroadCast.Start();
Thread receive = new Thread(new ThreadStart(ReceiveNews));
receive.IsBackground = true;
receive.Start();
}
/// <summary>
/// 刷新
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUpdate_Click(object sender, EventArgs e)
{
//for (int i = 0; i < this.lvwDisplayPerson.Items.Count; i )
//{
// this.lvwDisplayPerson.Items.RemoveAt(i);
//}
this.lvwDisplayUser.Items.Clear();
}
/// <summary>
/// 发送消息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSentMessage_Click(object sender, EventArgs e)
{
string msg = "MSG " txtMessage.Text;
string ip = string.Empty;
for (int i = 0; i < lvwDisplayUser.SelectedItems.Count; i )
{
try
{
ip = this.lvwDisplayUser.SelectedItems[i].SubItems[2].Text;
//初始化接受套接字：寻址方案，以字符流方式和Tcp通信
socketSent = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//设置服务器IP地址和端口
ipSent = new IPEndPoint(IPAddress.Parse(ip), 8001);
//与服务器进行连接
socketSent.Connect(ipSent);
//是否封装
socketSent.Send(Encoding.Default.GetBytes(pack));
//将要发送的消息转化为字节流，然后发送
socketSent.Send(Encoding.Default.GetBytes(msg));
socketSent.Close();
}
catch
{
MessageBox.Show(this.lvwDisplayUser.SelectedItems[i].SubItems[0].Text "已经下线！");
}
}
}
/// <summary>
/// 处理接受到的信息，分别对文件和普通消息进行处理
/// </summary>
private void ReceiveNews()
{
try
{
//初始化接受套接字：寻址方案，以字符流方式和Tcp通信
socketReceive = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//获取本机IP地址并设置接受信息的端口
ipReceive = new IPEndPoint(Dns.GetHostEntry(Dns.GetHostName()).AddressList[0], 8001);
//将本机IP地址和接受端口绑定到接受套接字
socketReceive.Bind(ipReceive);
//监听端口，并设置监听缓存大小为1024byte
socketReceive.Listen(1024);
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
//定义接受信息时缓冲区
byte[] buff = new byte[1024];
//连续接受客户端发送过来的信息
while (true)
{
//定义一个chat套接字用来接受信息
Socket chat = socketReceive.Accept();
//定义一个处理信息的对象
ChatSession cs = new ChatSession(chat);
//定义一个新的线程用来接受其他主机发送的信息
Thread newThread = new Thread(new ThreadStart(cs.StartChat));
//启动新的线程
newThread.Start();
}
}
/// <summary>
/// 发送文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSentFile_Click(object sender, EventArgs e)
{
//打开文件
OpenFileDialog dlg = new OpenFileDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
string ip = string.Empty;
LanSocket socketConnet = null;
SentLanFile sentFile = null;
Thread tConnection = null;
Thread tSentFile = null;
for (int i = 0; i < lvwDisplayUser.SelectedItems.Count; i )
{
ip = this.lvwDisplayUser.SelectedItems[i].SubItems[2].Text;
//初始化接受套接字：寻址方案，以字符流方式和Tcp通信
socketSent = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
//设置服务器IP地址和端口
ipSent = new IPEndPoint(IPAddress.Parse(ip), 8001);
//与服务器进行连接
socketConnet = new LanSocket(socketSent, ipSent);
tConnection = new Thread(new ThreadStart(socketConnet.SocketConnect));
tConnection.Start();
Thread.Sleep(100);
//将要发送的文件加上"DAT"标识符
sentFile = new SentLanFile(dlg, socketSent);
tSentFile = new Thread(new ThreadStart(sentFile.SentFile));
tSentFile.Start();
}
}
}
/// <summary>
/// 关闭窗口
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FrmMain_FormClosing(object sender, FormClosingEventArgs e)
{
e.Cancel = true;
this.Visible = false;
}
/// <summary>
/// 退出应用程序
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Exit_Click(object sender, EventArgs e)
{
this.Dispose();
Application.Exit();
}
/// <summary>
/// 托盘右键设置
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SetUp_Click(object sender, EventArgs e)
{
FrmSetUp setUp = new FrmSetUp();
setUp.Show();
}
/// <summary>
/// 系统托盘
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
{
this.ShowInTaskbar = true;
this.WindowState = FormWindowState.Normal;
this.Visible = true;
}
/// <summary>
/// 是否封装消息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cbPack_CheckedChanged(object sender, EventArgs e)
{
if (this.cbPack.Checked == true)
{
pack = "1";
}
else
{
pack = "0";
}
}
private void Help_Click(object sender, EventArgs e)
{
FrmHelp help = new FrmHelp();
help.Show();
}
}
}
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