} //修改FriendListView的方法
private void AddFriendButton_Click(object sender, RoutedEventArgs e)
{
IPAddress myFriendIpAdress;
if (IPAddress.TryParse(addFriendIPTextBox.Text, out myFriendIpAdress) == false)
{
MessageBox.Show("IP地址格式不正确！");
return;
}
int myFriendPort;
if (int.TryParse(addFriendPortTextBox.Text, out myFriendPort) == false)
{
MessageBox.Show("端口号格式不正确！");
return;
}
else
{
if (myFriendPort < 1024 || myFriendPort > 65535)
{
MessageBox.Show("端口号范围不正确！(1024-65535)");
return;
}
}
FriendIPAndPort friendIPAndPort = new FriendIPAndPort();
friendIPAndPort.friendIP = addFriendIPTextBox.Text; //IP字符串
friendIPAndPort.friendPort = addFriendPortTextBox.Text; //端口字符串
int k = myFriendIPAndPorts.IndexOf(friendIPAndPort);
if (k == -1)
{
myFriendIPAndPorts.Add(friendIPAndPort);
} //未找到该ip与端口号，需要增加
else
{
MessageBox.Show("好友已在列表中");
return;
}
TcpClient tcpClient;
StateObject stateObject;
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;
stateObject.friendIPAndPort = friendIPAndPort.friendIP + ":" + friendIPAndPort.friendPort; //所选好友IP和端口号
IMClassLibrary.SingleChatDataPackage chatData = new IMClassLibrary.SingleChatDataPackage(UserID, IPAndPort, "添加您为好友");
stateObject.buffer = chatData.DataPackageToBytes(); //buffer为发送的数据包的字节数组
tcpClient.BeginConnect(friendIPAndPort.friendIP, myFriendPort, new AsyncCallback(SentCallBackF), stateObject); //异步连接
//发送添加好友信息
}
} //侦听线程执行的方法
public void readRevMsg(TcpClient tcpClient)
{
byte[] bytes = ReadFromTcpClient(tcpClient); //获取chatData
FriendIPAndPort friendIPAndPort = new FriendIPAndPort();
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);
friendIPAndPort.friendIP = chatData1.Receiver.Split(':')[0];
friendIPAndPort.friendPort = 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);
friendIPAndPort.friendIP = chatData2.Receiver.Split(':')[0];
friendIPAndPort.friendPort = 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
friendIPAndPort.friendIP = chatData3.Receiver.Split(':')[0];
friendIPAndPort.friendPort = 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:
//friendIPAndPort.friendIP = s.Substring(0, i1); //提取IP字符串
//friendIPAndPort.friendPort = s.Substring(i1 + 1, i2 - i1 - 2); //提取端口字符串
int k = myFriendIPAndPorts.IndexOf(friendIPAndPort);
if (k == -1)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new SetList(SetListViewSource), friendIPAndPort);
} //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
private void DeleteFriendButton_Click(object sender, RoutedEventArgs e)
{
if (FriendListView.SelectedItems.Count == 0)
{
MessageBox.Show("未选择删除的联系人");
}
FriendIPAndPort[] myIPAndPorts = new FriendIPAndPort[FriendListView.SelectedItems.Count];
for (int i = 0; i < myIPAndPorts.Length; i++)
{
myIPAndPorts[i] = (FriendIPAndPort)FriendListView.SelectedItems[i];
}
for (int i = 0; i < myIPAndPorts.Length; i++)
{
myFriendIPAndPorts.Remove(myIPAndPorts[i]);
}
} //删除选中联系人
} //保存消息列表到文件
private void MenuItem_Click_2(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "文本文档(*.txt)|*.txt|所有文件(*.*)|*.*";
if (openFileDialog1.ShowDialog().Value)
{
string s_FileName = openFileDialog1.FileName;
string FileExtension = System.IO.Path.GetExtension(s_FileName).ToUpper();
if (FileExtension == ".TXT")
{
using (FileStream fileStream = File.OpenRead(s_FileName)) {
StreamReader reader = new StreamReader(fileStream);
string text = reader.ReadToEnd();
string[] friendData = text.Split('\n');
FriendIPAndPort friendIPAndPort = new FriendIPAndPort();
IPAddress myFriendIpAdress; //测试IP格式是否正确
int myFriendPort; //测试端口格式是否正确
foreach (string data in friendData)
{
if (data == string.Empty)
{
break; //防止最后一行换行符导致的多读入
}
string[] IPAndPort = data.Split(':');
friendIPAndPort.friendIP = IPAndPort[0]; //IP字符串
friendIPAndPort.friendPort = IPAndPort[1].Substring(0, IPAndPort[1].Length - 1); //端口字符串，防止读入\r
if (IPAddress.TryParse(friendIPAndPort.friendIP, out myFriendIpAdress) == false)
{
MessageBox.Show("联系人文件IP地址格式不正确！");
return;
}
if (int.TryParse(friendIPAndPort.friendPort, out myFriendPort) == false)
{
MessageBox.Show("联系人文件端口号格式不正确！");
return;
}
int k = myFriendIPAndPorts.IndexOf(friendIPAndPort);
if (k == -1)
{
myFriendIPAndPorts.Add(friendIPAndPort); //增加此好友
}
}
}
}
}
} //从文件导入好友列表
} //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IP和端口号");
return;
} //是否选择发送好友
FriendIPAndPort[] myIPAndPorts = new FriendIPAndPort[FriendListView.SelectedItems.Count];
for (int i = 0; i < myIPAndPorts.Length; i++)
{
myIPAndPorts[i] = (FriendIPAndPort)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].friendIP; //所选好友IP地址字符串
port = int.Parse(myIPAndPorts[i].friendPort); //所选字符串好友端口号转换为数字
stateObject.friendIPAndPort = 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);
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
public delegate void ReadDataF(TcpClient tcpClient); //代表无返回值 Tcpclient参数方法
private void SendMessageButton_Click(object sender, RoutedEventArgs e)
{
if (SendMessageTextBox.Text == "")
{
MessageBox.Show("发送信息不能为空");
return;
} //是否输入了发送信息
if (FriendListView.SelectedItems.Count == 0)
{
MessageBox.Show("请选择好友IP和端口号");
return;
} //是否选择发送好友
FriendIPAndPort[] myIPAndPorts = new FriendIPAndPort[FriendListView.SelectedItems.Count];
for (int i = 0; i < myIPAndPorts.Length; i++)
{
myIPAndPorts[i] = (FriendIPAndPort)FriendListView.SelectedItems[i];
} //得到所有要发送的好友IP和端口号
//string s = IPAndPort + "说:" + SendMessageTextBox.Text; //要发送的字符串
//UnicodeEncoding ascii = new UnicodeEncoding(); //以下将字符串转换为字节数组
//int n = (ascii.GetBytes(s)).Length;
//byte[] SendMsg = new byte[n];
//SendMsg = ascii.GetBytes(s);
string ip = null; //记录好友端IP
int port = 0; //记录好友端端口号
TcpClient tcpClient;
StateObject stateObject;
IMClassLibrary.SingleChatDataPackage chatData = 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].friendIP; //所选好友IP地址字符串
port = int.Parse(myIPAndPorts[i].friendPort); //所选字符串好友端口号转换为数字
stateObject.friendIPAndPort = ip + ":" + port.ToString(); //所选好友IP和端口号
chatData = new IMClassLibrary.SingleChatDataPackage(UserID, IPAndPort, SendMessageTextBox.Text);
stateObject.buffer = chatData.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）（" + chatData.sendTime.ToString() + "）说:" + SendMessageTextBox.Text); //显示已发送的信息
}
} //修改FriendListBox的方法
private void SetListViewSource(FriendIPAndPort arg)
{
myFriendIPAndPorts.Add(arg);
} //修改FriendListView的方法
