} // W_Login
/// <summary>
/// 单击登录按钮
/// </summary>
/// <param name="sender">the sender</param>
/// <param name="e">the e</param>
private void btn_logIn_Click(object sender, EventArgs e)
{
// 定义添加文本的委托变量
DelegateMem.AppendDelegate appendString = new DelegateMem.AppendDelegate(DelegateMethod.appendMethod);
// 获取当前用户的实例
User currentUser = User.GetInstance();
// 定义网络服务的一个实例
IMSLogStateChangeClient logIM = new IMSLogStateChangeClient();
string loginResault = logIM.changeLogState(txt_userName.Text, txt_userPwd.Text, false);
if (loginResault == "1")
{
currentUser.userName = txt_userName.Text;
#region 连接到服务器并接收消息
if (currentUser.socket == null)
{
currentUser.socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
} // if
if (!currentUser.socket.Connected)
{
// 获得一个可用的IPV4地址
IPEndPoint remoteep = IPEndPointHandler.GetIPEndPoint();
AsyncCallback callBack = new AsyncCallback(CallBackFunc.connCallBack);
currentUser.socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
currentUser.socket.BeginConnect(remoteep, callBack, currentUser);
Thread.Sleep(1000);
// Islogin 在 connCallBack中修改
if (currentUser.Islogin == true)
{
MessageBox.Show("登录成功");
this.DialogResult = DialogResult.OK;
} // if
} // if
#endregion
} // if
else if (loginResault == "0")
{
MessageBox.Show("已有账号登录");//在另一个客户端尝试登录的时候执行的到。
} // else if
else
{
MessageBox.Show("用户名或密码错误");
} // else
} // btn_logIn_Click
} // findAddMsg
/// <summary>
/// 单击退出按钮
/// </summary>
/// <param name="sender"> the sender</param>
/// <param name="e"> the e</param>
private void btn_exit_Click(object sender, EventArgs e)
{
IMSLogStateChangeClient IsLog = new IMSLogStateChangeClient();
string loginResault = IsLog.changeLogState(userName, userPwd, true);
User currentUser = User.GetInstance();
try
{
if (loginResault == "1")
{
// 断开连接
if (currentUser.socket == null)
{
return;
}
if (!currentUser.socket.Connected)
{
return;
}
CallBackFunc.noChatSendData("logout", userName, "", currentUser.socket);
Thread.Sleep(2000);
SocketHandler.ShutDownConn(currentUser.socket);
MessageBox.Show("成功退出");
Application.Exit();
} // if
else if (loginResault == "0")
{
MessageBox.Show("未登录，无法退出");
}
else
{
MessageBox.Show("用户名或密码错误");
} // else
} // try
catch (System.Exception ex)
{
// the last client will be wrong when exit
Application.Exit();
}
} // btn_exit_Click