//退出按钮点击事件
private void buttonClose_Click(object sender, EventArgs e)
{
//如果还未建立连接
if (socketClient == null)
{
this.Close();
return;
}
//如果已经建立连接
try
{
byte[] arrClientSendMsg = Encoding.UTF8.GetBytes(Encoding.UTF8.GetString(userName, 0, userName.Length) + "退出了聊天室");
commum.Message msg = new commum.Message();
msg.message = arrClientSendMsg;
msg.ipAddress = userName;
arrClientSendMsg = PackCodec.Serialize <commum.Message>(msg);
SendMsg(arrClientSendMsg);
socketClient.Shutdown(SocketShutdown.Both);
this.Close();
}
catch (SocketException)
{
txtMsg.AppendText("当前未连接\r\n");
this.Close();
return;
}
catch (NullReferenceException)
{
return;
}
}
//发送按钮
private void button1_Click(object sender, EventArgs e)
{
byte[] arrClientSendMsg = Encoding.UTF8.GetBytes(txtCMsg.Text.Trim());
commum.Message msg = new commum.Message();
msg.message = arrClientSendMsg;
msg.ipAddress = userName;
arrClientSendMsg = PackCodec.Serialize <commum.Message>(msg);
SendMsg(arrClientSendMsg);
}
private void buttonLogin_Click(object sender, EventArgs e)
{
byte[] arrClientSendMsg = Encoding.UTF8.GetBytes(Encoding.UTF8.GetString(userName, 0, userName.Length) + "进入了聊天室");
commum.Message msg = new commum.Message();
msg.message = arrClientSendMsg;
msg.ipAddress = userName;
arrClientSendMsg = PackCodec.Serialize <commum.Message>(msg);
SendMsg(arrClientSendMsg);
btnSend.Enabled = true;
buttonLogin.Enabled = false;
}
/// <summary>
/// 接收服务端发来信息的方法
/// </summary>
private void RecMsg()
{
byte[] arrRecMsg = new byte[1024];
while (true) //持续监听服务端发来的消息
{
commum.Message msg = new commum.Message();
//将客户端套接字接收到的数据存入内存缓冲区, 并获取其长度
try
{
Array.Clear(arrRecMsg, 0, 1024);
socketClient.Receive(arrRecMsg);
}
catch (SocketException)
{
string str = "网络错误，请退出聊天室";
txtMsg.AppendText("我:" + GetCurrentTime() + "\r\n" + str + "\r\n");
return;
}
lock (objLock)
{
//获取传输的数据中数据的位数
for (length = 0; arrRecMsg[length] != '\0' || length > 1024; length++)
{
}
//越界
if (length > 1024)
{
continue;
}
byte[] rec = new byte[length];
Array.Clear(rec, 0, length);
for (int i = 0; i < length; i++)
{
rec[i] = arrRecMsg[i];
}
msg = PackCodec.Deserialize <commum.Message>(rec);
if (msg == null)
{
continue;
}
string strRecMsg = Encoding.UTF8.GetString(msg.message, 0, msg.message.Length);
string strRecName = Encoding.UTF8.GetString(msg.ipAddress, 0, msg.ipAddress.Length);
if (strRecName.Equals("0"))//其他信息
{
txtMsg.AppendText(strRecMsg + "\r\n");
}
else
{
txtMsg.AppendText(strRecName + ":" + GetCurrentTime() + "\r\n" + strRecMsg + "\r\n");
}
}
}
}
