示例#1
0
        private async void Submit_Click(object sender, EventArgs e)                       //登陆验证
        {
            string username = this.UserName.Text.Trim();
            string password = this.PassWord.Text.Trim();

            if (username == "")
            {
                errormessage.IsBalloon = true;
                errormessage.SetToolTip(this.UserName, "请填写用户名后再登录");
                errormessage.Show("请填写用户名后再登录", this.UserName, 1, this.UserName.Height / 2, 2000);
                errormessage.UseFading = false;
                UserName.Focus();
                return;
            }
            else if (password == "")
            {
                errormessage.IsBalloon = true;
                errormessage.SetToolTip(this.PassWord, "请填写密码后再登录");
                errormessage.Show("请填写密码后再登录", this.PassWord, 1, this.PassWord.Height / 2, 2000);
                errormessage.UseFading = false;
                PassWord.Focus();
                return;
            }
            else
            {
                User user = new User();
                //BUser bUser = new BUser();
                FileStream      fs = new FileStream("data.bin", FileMode.Create);
                BinaryFormatter bf = new BinaryFormatter();
                user.Username = username;
                if (this.RemeberPassword.Checked) //  如果单击了记住密码的功能
                {                                 //  在文件中保存密码
                    user.Password = password;
                }
                else
                {   //  不在文件中保存密码
                    user.Password = "";
                }

                //  选在集合中是否存在用户名
                if (users.ContainsKey(user.Username))
                {
                    users.Remove(user.Username);
                }
                users.Add(user.Username, user);
                //要先将User类先设为可以序列化(即在类的前面加[Serializable])
                bf.Serialize(fs, users);
                //user.Password = this.PassWord.Text;
                fs.Close();

                try
                {
                    _sc = new SignSocketClient();
                    cmd.ShowOpaqueLayer(AllForm, 125, true, true, "正在登录");
                    Employee emp = new Employee();

                    emp = await _sc.Login(username, password);

                    if (emp != null)
                    {
                        UserHelper.UserInfo = emp;
                        this.DialogResult   = DialogResult.OK;
                        cmd.HideOpaqueLayer();
                        this.Close();

                        Logging.AddLog("用户:" + emp.Name + "登陆成功!");
                    }
                    else
                    {
                        cmd.HideOpaqueLayer();
                        PassWord.Text          = "";
                        errormessage.IsBalloon = true;
                        errormessage.SetToolTip(this.PassWord, "用户名与密码不匹配");
                        errormessage.Show("用户名与密码不匹配", this.PassWord, 1, this.PassWord.Height / 2, 2000);
                        errormessage.UseFading = false;
                        PassWord.Focus();
                        return;
                    }
                }
                catch
                {
                    MessageBox.Show("无法连接服务器", "错误提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                }
            }
        }