/// <summary>
/// 在对应的FrmChat窗体对象内显示接收的TCP数据
/// </summary>
public void showDialog(FrmChat frmChat, DataPack dataPack)
{
if (frmChat.flowLP_Chat.InvokeRequired == false) //如果调用该函数的线程和控件flowLP_Chat位于同一个线程内
{
frmChat.addLabel(dataPack._sender, dataPack._time, dataPack._message);
}
else //如果调用该函数的线程和控件flowLP_Chat不在同一个线程
{
//通过使用Invoke的方法，让子线程告诉窗体线程来完成相应的控件操作
showDialogDelegate deleg = new showDialogDelegate(showDialog);
//使用控件flowLP_Chat的Invoke方法执行deleg代理
frmChat.flowLP_Chat.Invoke(deleg, frmChat, dataPack);
}
}
public void receiveThread()
{
while (true)
{
byte[] buffer = new byte[1024];
tcpClient.Receive(buffer, 0, buffer.Length, SocketFlags.None);
DataPack dataPack = FrmChat.BytesToDataPack(buffer);
if (frmChats.ContainsKey(dataPack._sender))
{
//获取发送者的对应聊天窗体
FrmChat frmChat = FrmMain.frmChats[dataPack._sender];
//在对应的FrmChat窗体对象内显示接收的TCP数据
frmChat.showDialog(frmChat, dataPack);
}
else
{
lastMsg(dataPack);
}
}
}
private void FrmMain_Load(object sender, EventArgs e)
{
//初始化全局变量
mysqlDB = new MysqlDB();
dicChatLists = new Dictionary <string, MessageList>();
dicChats = new Dictionary <string, List <OneWord> >();
frmChats = new Dictionary <string, FrmChat>();
labName.Text = User.Name;//从类的静态字段中取值
//从服务器拉取所有与本用户相关的聊天记录，存储到聊天记录字典
//sql语句（谨慎使用drop，delete!!!）
string sql = "SELECT * FROM qqchatView WHERE rname='" + loginName + "' OR sname='" + loginName + "' ORDER BY time ASC";
//接口sql=SELECT * FROM qqchatView WHERE rname='yiki' OR sname='yiki' ORDER BY time ASC
res = mysqlDB.Get(sql);
while (res.Read())
{
string _sender = res.GetString("sname");; //发送者
string _receiver = res.GetString("rname"); //接收者
DateTime _time = res.GetDateTime("time"); //发送时间
//_time = _time.AddHours(-8); //加时间(时区转换)
string _text = res.GetString("text"); //发送内容
string _friend; //该条记录的好友昵称
OneWord word = new OneWord();
word.Time = _time;
word.Text = _text;
if (_sender.Equals(loginName))
{
word.Sender = true;
_friend = _receiver;
}
else
{
word.Sender = false;
_friend = _sender;
}
if (DicChats.ContainsKey(_friend))
{
DicChats[_friend].Add(word);//该好友目录下增加一条聊天记录
}
else
{//增加一条好友目录
List <OneWord> words = new List <OneWord>();
words.Add(word);
DicChats.Add(_friend, words);
}
}
//将最新一条聊天记录显示到聊天记录列表控件中
//反向遍历数组
for (int i = DicChats.Count() - 1; i >= 0; i--)
{
var data = DicChats.ToArray()[i];
MessageList messageList = new MessageList();
messageList.ContactsName = data.Key.ToString();
messageList.LastMsg = data.Value.Last().Text;
messageList.LastMsgSendTime = data.Value.Last().Time.TimeOfDay.ToString();
flowLayoutPanelMessage.Controls.Add(messageList);
dicChatLists.Add(messageList.ContactsName, messageList);
}
//创建TCP套接字，发起连接请求
try
{
tcpClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPAddress ipaddress = IPAddress.Parse(serverAdress);
EndPoint point = new IPEndPoint(ipaddress, serverPoint);
tcpClient.Connect(point); //通过IP和端口号，定位一个要连接到的服务端
//向服务端发送初始化消息以表明自己身份
DataPack dataPack = new DataPack(loginName, "server", "server", "server");
tcpClient.Send(FrmChat.DataPackToBytes(dataPack));
//创建线程，一直接收服务端发来的数据
ThreadStart _receiveThread = new ThreadStart(receiveThread);
Thread _childThread = new Thread(_receiveThread);
_childThread.Start();
}
catch (Exception) {
MessageBox.Show("服务器无响应，请稍后再试");
System.Environment.Exit(0);
}
}