private void WindowLoaded(object sender, RoutedEventArgs e)
{
userNameLabel.Content = _userName;
_clientInstance = TcpHandler.GetInstance();
//获取当前登录用户的图标
var imagePath = "pack://application:,,,/images/" + _userName + ".jpg";
var iamgeUri = new Uri(imagePath);
try
{
loginUserImage.Source = new BitmapImage(iamgeUri);
}
catch
{
imagePath = "pack://application:,,,/images/user.jpg";
iamgeUri = new Uri(imagePath);
loginUserImage.Source = new BitmapImage(iamgeUri);
}
//获取好友列表
var commond = TcpHelper.PackCommmond(_userName, TcpHelper.TalkCommond.UpdateUserList);
_clientInstance.SendMessage(commond);
//新建线程接收服务端数据
th1 = new Thread(ReceiveData);
th1.Start();
//新建线程，用于更新消息提示
th2 = new Thread(ScanEmptyMsgTip);
th2.Start();
}
public void SendMessage(Message message)
{
try
{
if (IsConnectionOk())
{
ClientInstance.SendMessage(message);
}
}
catch (Exception ex)
{
HandleException();
}
}
private void SendMessage()
{
var msg = sendMsgTextBox.Text;
if (string.IsNullOrEmpty(msg))
{
MessageBox.Show("不能发送空内容");
return;
}
var talkMsg = TcpHelper.PackCommmond(_talktoUserName + "," + msg, TcpHelper.TalkCommond.Talk);
_clientInstance.SendMessage(talkMsg);
ShowMessage(_loginUserName, msg, true);
ScrollMessageToBottom();
sendMsgTextBox.Text = string.Empty;
}
/// <summary>
/// 登录连接到服务器
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void loginButton_Click(object sender, RoutedEventArgs e)
{
//获取服务器IP
var serverIP = serverIPTextBox.Text;
if (string.IsNullOrEmpty(serverIP))
{
MessageBox.Show("请填写正确的服务器地址");
return;
}
try
{
var serverIPs = serverIP.Split(':');
TcpHandler._serverHostName = serverIPs[0]; ToString();
TcpHandler._serverPort = System.Convert.ToInt32(serverIPs[1]);
}catch (Exception ex) {
MessageBox.Show("服务器地址格式不正确");
return;
}
var userName = userNameTextBox.Text;
if (string.IsNullOrEmpty(userName))
{
MessageBox.Show("请输入用户名");
return;
}
try
{
clientInstance = TcpHandler.GetInstance();
var sendMsg = TcpHelper.PackCommmond(userName, TcpHelper.TalkCommond.Login);
//发送登录命令
clientInstance.SendMessage(sendMsg);
//创建新线程接收服务端消息
Thread th = new Thread(ReceiveData);
th.Start();
}catch (Exception ex) {
MessageBox.Show(ex.Message);
}
}
private void ReceiveData()
{
while (true)
{
try
{
var getMsg = _clientInstance.br.ReadString();
var unPackMsg = TcpHelper.UnPackCommond(getMsg);
var commond = unPackMsg.Item1;
switch (commond)
{
case TcpHelper.TalkCommond.Logout:
//获取好友列表
var sendCommond = TcpHelper.PackCommmond(_userName, TcpHelper.TalkCommond.UpdateUserList);
_clientInstance.SendMessage(sendCommond);
break;
case TcpHelper.TalkCommond.UpdateUserList:
try
{
//获取用户列表
var userList = JsonHandler.UnJson <List <TalkUser> >(unPackMsg.Item2);
//线程中不能操作UI
System.Windows.Application.Current.Dispatcher.Invoke((Action)(() =>
{
CleanUserList();
userList = userList.OrderByDescending(v => v.IsOnline).ToList();
foreach (var user in userList)
{
AddUserToList(user);
}
}));
}catch (Exception e)
{
MessageBox.Show(e.Message);
}
break;
case TcpHelper.TalkCommond.Talk:
var talkMsgs = unPackMsg.Item2.Split(',');
var talkFromUserName = talkMsgs[0];
var talkContent = unPackMsg.Item2.Substring(talkMsgs[0].Length + 1, unPackMsg.Item2.Length - talkMsgs[0].Length - 1);
//将消息存入临时列表
StoreTalkMessage(talkFromUserName, talkContent);
//判断聊天窗口是否打开
TalkWindow tw = IsTalkWindowOpen(talkFromUserName);
if (tw == null)
{
//如果聊天窗口没有打开，则将显示消息条数提示
var messageCount = MessageList.memory[talkFromUserName].Count();
MessageList.SetMessageTipList(talkFromUserName, messageCount);
MessageList.resetMessageTip = true;
}
break;
default:
MessageBox.Show(getMsg);
break;
}
}catch (Exception e)
{
_clientInstance.CloseConnect();
return;
}
}
}
