} //侦听线程执行的方法
public void readRevMsg(TcpClient tcpClient)
{
byte[] bytes = ReadFromTcpClient(tcpClient); //获取chatData
friendIDAndName friendIDAndName = new friendIDAndName();
IMClassLibrary.ChatDataPackage chatData = new IMClassLibrary.ChatDataPackage(bytes);
string message = string.Empty;
switch (chatData.MessageType)
{
case 4: //单人聊天数据包
IMClassLibrary.SingleChatDataPackage chatData1 = new IMClassLibrary.SingleChatDataPackage(bytes);
friendIDAndName.friendID = chatData1.Receiver.Split(':')[0];
friendIDAndName.friendName = chatData1.Receiver.Split(':')[1];
message = chatData1.Receiver + "（用户ID:" + chatData1.Sender + "）（" + chatData1.sendTime.ToString() + "）说:" + chatData1.Message;
break;
case 5: //多人聊天数据包
IMClassLibrary.MultiChatDataPackage chatData2 = new IMClassLibrary.MultiChatDataPackage(bytes);
friendIDAndName.friendID = chatData2.Receiver.Split(':')[0];
friendIDAndName.friendName = chatData2.Receiver.Split(':')[1];
message = chatData2.Receiver + "（用户ID:" + chatData2.SenderID + ",来自群聊" + chatData2.Sender.ToString() + "）（" + chatData2.sendTime.ToString() + "）说:" + chatData2.Message;
break;
case 7: //文件传输数据包
IMClassLibrary.FileDataPackage chatData3 = new IMClassLibrary.FileDataPackage(bytes);
FileList.Add(chatData3); //加入List中待下载
friendIDAndName.friendID = chatData3.Receiver.Split(':')[0];
friendIDAndName.friendName = chatData3.Receiver.Split(':')[1];
message = chatData3.Receiver + "（用户ID:" + chatData3.Sender + "）（" + chatData3.sendTime.ToString() + "）给你发了一个文件，请接收";
break;
default:
MessageBox.Show("聊天数据包读取失败");
return;
}
//UnicodeEncoding ascii = new UnicodeEncoding();
//string s = ascii.GetString(bytes);
//int i1 = s.IndexOf(":"); //第一个:
//int i2 = s.IndexOf(":", i1 + 1); //第二个:
//friendIDAndName.friendID = s.Substring(0, i1); //提取IP字符串
//friendIDAndName.friendName = s.Substring(i1 + 1, i2 - i1 - 2); //提取端口字符串
int k = myfriendIDAndNames.IndexOf(friendIDAndName);
if (k == -1)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new SetList(SetListViewSource), friendIDAndName);
} //未找到该ip与端口号，需要增加
if (message != string.Empty)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new OneArgDelegate(SetFriendListBox), message); //接受信息在FriendListBox显示
}
} //被异步调用的方法
} //不在主线程执行
private void SendFileButton_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "所有文件(*.*)|*.*";
if (openFileDialog1.ShowDialog().Value)
{
string s_FileName = openFileDialog1.FileName;
string FileExtension = System.IO.Path.GetExtension(s_FileName).ToLower();
using (FileStream fileStream = File.OpenRead(s_FileName)) {
if (FriendListView.SelectedItems.Count == 0)
{
MessageBox.Show("请选择好友OO号");
return;
} //是否选择发送好友
friendIDAndName[] myIPAndPorts = new friendIDAndName[FriendListView.SelectedItems.Count];
for (int i = 0; i < myIPAndPorts.Length; i++)
{
myIPAndPorts[i] = (friendIDAndName)FriendListView.SelectedItems[i];
} //得到所有要发送的好友IP和端口号
string ip = null; //记录好友端IP
int port = 0; //记录好友端端口号
TcpClient tcpClient;
StateObject stateObject;
byte[] bytes = new byte[fileStream.Length];
fileStream.Read(bytes, 0, bytes.Length);
IMClassLibrary.FileDataPackage data = null;
for (int i = 0; i < myIPAndPorts.Length; i++)
{
tcpClient = new TcpClient(); //每次发送建立一个TcpClient类对象
stateObject = new StateObject(); ////每次发送建立一个StateObject类对象
stateObject.tcpClient = tcpClient;
//stateObject.buffer = SendMsg;
//ip = myIPAndPorts[i].friendID; //所选好友IP地址字符串
//port = int.Parse(myIPAndPorts[i].friendName); //所选字符串好友端口号转换为数字
ip = LoginIP;
port = int.Parse(LoginPort);
stateObject.friendIDAndName = ip + ":" + port.ToString(); //所选好友IP和端口号
data = new IMClassLibrary.FileDataPackage(UserID, IPAndPort, "发送了文件", bytes, FileExtension, UserID, myIPAndPorts[i].friendID);
stateObject.buffer = data.DataPackageToBytes(); //buffer为发送的数据包的字节数组
tcpClient.BeginConnect(ip, port, new AsyncCallback(SentCallBackF), stateObject); //异步连接
} //给选定所有好友发信息
FriendListBox.Items.Add(IPAndPort + "（本机）(" + data.sendTime.ToString() + "）发送了一个文件"); //显示已发送的信息
}
}
} //发送文件
