//窗口加载时
private void FormCSharpWinDemo_Load(object sender, EventArgs e)
{
FrmInformation frm = new FrmInformation(Id, Title);
frm.Show();
//获取屏幕宽高与调节最大大小
this.MaximumSize = new Size(543, Screen.GetWorkingArea(this).Height);
//监听消息（广播和聊天）
ClassStartUdpThread startUdpThread = new ClassStartUdpThread(chatShow);
Thread tStartUdpThread = new Thread(new ThreadStart(startUdpThread.StartUdpThread));
tStartUdpThread.IsBackground = true;
tStartUdpThread.Start();
//第一次登录时发送广播消息，查看在线用户
ClassBoardCast boardCast = new ClassBoardCast();
boardCast.BoardCast();
////加载好友列表
//chatShow.Items.Clear();
//Random rnd = new Random();
//for (int i = 0; i < 10; i++)
//{
// ChatListItem item = new ChatListItem("分组 " + i);
// for (int j = 0; j < 10; j++)
// {
// ChatListSubItem subItem = new ChatListSubItem("NicName", "好友" + j, "我的个性签名,我的个性签名,我的个性签名");
// subItem.HeadImage = Image.FromFile("head/" + rnd.Next(1, 11) + ".png");
// subItem.ID = (i + 1) * (j + 1);
// subItem.Status = (ChatListSubItem.UserStatus)(j % 6);
// item.SubItems.AddAccordingToStatus(subItem);
// }
// item.SubItems.Sort();
// chatShow.Items.Add(item);
//}
}
//窗体关闭时
private void FrmMain_FormClosed(object sender, FormClosedEventArgs e)
{
ClassBoardCast cUserQuit = new ClassBoardCast();
cUserQuit.UserQuit();
Application.Exit();
}
//在程序运行后保持监听2425端口，负责处理各种类型消息
public void StartUdpThread()
{
UdpClient udpClient = new UdpClient(2425);
IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Any, 0);
while (true)
{
byte[] buff = udpClient.Receive(ref ipEndPoint);
string userInfo = Encoding.Default.GetString(buff);
string msgHead = userInfo.Substring(0, 6);//消息前6位为消息类型标识符
string msgBody = userInfo.Substring(6);//第7位开始为消息实体内容
switch(msgHead)
{
/*用户第一次登录时发送USER消息到广播地址，收到此类消息会将对方
* 加入到自己的在线好友列表中，并回复对方消息，告诉对方自己在线 */
case ":USER:"******"head/4.png");
subItem.IpAddress = sBody[2];
//在集合中查找用户，没有则加，有则更新信息
if (Chat.GetSubItemsByIp(sBody[2]).Length > 0)
{
Chat.GetSubItemsByIp(sBody[2])[0] = subItem;
}
else
{
if (UserLogin.UserItem.NicName == sBody[0])
{
MyNameItem.SubItems.Add(subItem);
}
else
{
ListItem.SubItems.Add(subItem);
}
}
//回复消息
ClassBoardCast CReply = new ClassBoardCast();
CReply.BCReply(subItem.IpAddress);
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
break;
//聊天消息MESG
case ":MESG:":
try
{
string[] mBody = msgBody.Split('|');
string msgName = mBody[0];
string msgID = mBody[1];
string msgIP = mBody[2];
string msgDetail = mBody[3];
//创建一条新线程接收消息
ClassReceiveMsg cRecMsg = new ClassReceiveMsg(msgIP, msgName,msgID, msgDetail);
Thread tRecMsg = new Thread(new ThreadStart(cRecMsg.StartRecMsg));
tRecMsg.Start();
}
catch
{
}
break;
//用户退出时发送QUIT开头的消息
case ":QUIT:":
try
{
//在集合中查找用户，没有则加，有则更新信息
if (Chat.GetSubItemsByNicName(msgBody).Length > 0)
{
Chat.GetSubItemsByIp(msgBody)[0].OwnerListItem.SubItems.Remove(Chat.GetSubItemsByIp(msgBody)[0]);
}
}
catch
{
}
break;
/*自己上线时会向广播发送消息，在接到别人以REPY开头的回复消息时，
将对方加入自己的在线好友列表中*/
case ":REPY:":
try
{
string[] sBody = msgBody.Split(':');
//New一个用户
ChatListSubItem subItem = new ChatListSubItem(sBody[0], sBody[1], sBody[3]);
subItem.HeadImage = Image.FromFile("head/4.png");
subItem.IpAddress = sBody[2];
//在集合中查找用户，没有则加，有则更新信息
if (Chat.GetSubItemsByIp(sBody[2]).Length > 0)
{
Chat.GetSubItemsByIp(sBody[2])[0] = subItem;
}
else
{
if (UserLogin.UserItem.NicName == sBody[0])
{
MyNameItem.SubItems.Add(subItem);
}
else
{
ListItem.SubItems.Add(subItem);
}
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
break;
//以DATA开头的消息，表示有人发送文件
case ":DATA:":
try
{
string[] mBody = msgBody.Split('|');
string msgName = mBody[0];
string msgID = mBody[1];
string msgIP = mBody[2];
string msgFileName = mBody[3];
string msgFileLen = mBody[4];
string msgDetail = "【发送文件】" + msgFileName;
//创建一条新线程接收消息
ClassReceiveMsg cRecMsg = new ClassReceiveMsg(msgIP, msgName, msgID, msgDetail);
Thread tRecMsg = new Thread(new ThreadStart(cRecMsg.StartRecMsg));
tRecMsg.Start();
}
catch
{
}
break;
//接到以ACEP开头的消息，表示对方同意接收文件
case ":ACEP:":
try
{
string[] mFileBody = msgBody.Split('|');
string mFilePath = mFileBody[3];
string mIP = mFileBody[2];
ClassSendFile cSendFile = new ClassSendFile(mFilePath, mIP);
Thread tSendFile = new Thread(new ThreadStart(cSendFile.SendFile));
tSendFile.IsBackground = true;
tSendFile.Start();
}
catch
{
}
break;
}
}
}
