Esempio n. 1
0
        } // 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
Esempio n. 2
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        }     // 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