C# Winform 登录中的忘记密码及自动登录

本地保存登录账号实现忘记密码及自动登录

  #region 删除本地自动登录及记住密码信息
         /// <summary>
         /// 删除本地自动登录及记住密码信息
         /// </summary>
         private void DeleteSelfMotionLoginOrRememberPwd()
         {
             if (cbAutomatic.Checked == false)
             {
                 if (Directory.Exists("SelfMotionLogin"))
                 {
                     if (File.Exists(@"SelfMotionLogin/SelfMotionLoginInfo.xml"))
                     {
                         File.Delete(@"SelfMotionLogin/SelfMotionLoginInfo.xml");
                     }
                 }
             }
             if (cbRememberPwd.Checked == false)
             {
                 if (Directory.Exists("RememberPwd"))
                 {
                     if (File.Exists(@"RememberPwd\" + txtLoginName.Text + ".xml"))
                     {
                         File.Delete(@"RememberPwd\" + txtLoginName.Text + ".xml");
                     }
                 }
             }
         }
         #endregion

         #region 保存自动登录及记住密码到本地事件方法
         /// <summary>
         /// 保存自动登录及记住密码到本地事件方法
         /// </summary>
         private void SelfMotionLoginOrRememberPwd()
         {

             if (cbAutomatic.Checked && cbRememberPwd.Checked)
             {
                 XElement xml = new XElement(
                     new XElement("LoginInfo",
                          new XElement("SelfMotionLogin",
                             new XElement("UserName", txtLoginName.Text),
                              new XElement("UserPwd", txtLoginPwd.Text)
                         ))
                     );
                 xml.Save(@"SelfMotionLogin/SelfMotionLoginInfo.xml");
             }
             else if (cbRememberPwd.Checked)
             {
                 XElement xml = new XElement(
                     new XElement("LoginInfo",
                          new XElement("RememberPwd",
                             new XElement("UserName", txtLoginName.Text),
                              new XElement("UserPwd", txtLoginPwd.Text)
                         ))
                     );
                 xml.Save(@"RememberPwd/" + txtLoginName.Text + ".xml");
             }
         }
         #endregion

         #region 获取自动登录及记住密码信息
         #region 获取记住密码信息
         /// <summary>
         /// 获取记住密码信息
         /// </summary>
         private void GetRememberPwd()
         {
             if (Directory.Exists("RememberPwd"))
             {
                 if (File.Exists(@"RememberPwd/" + txtLoginName.Text + ".xml"))
                 {
                     XElement xml = XElement.Load(@"RememberPwd/" + txtLoginName.Text + ".xml");
                     var AllInfo = from info in xml.Elements("RememberPwd")
                                   select new Users
                                   {
                                       UserName = info.Element("UserName").Value,
                                       UseuPwd = info.Element("UserPwd").Value
                                   };
                     if (AllInfo != null)
                     {
                         foreach (Users l in AllInfo)
                         {
                             txtLoginName.Text = l.UserName;
                             txtLoginPwd.Text = l.UseuPwd;
                             cbRememberPwd.Checked = true;
                         }
                     }
                 }
             }
         }
         #endregion

         #region 获取本地自动登录
         /// <summary>
         /// 获取本地自动登录
         /// </summary>
         private void GetSelfMotionLogin()
         {
             if (Directory.Exists("SelfMotionLogin"))
             {
                 if (File.Exists(@"SelfMotionLogin/SelfMotionLoginInfo.xml"))
                 {
                     XElement xml = XElement.Load(@"SelfMotionLogin/SelfMotionLoginInfo.xml");
                     var AllInfo = from info in xml.Elements("SelfMotionLogin")
                                   select new Users
                                   {
                                       UserName = info.Element("UserName").Value,
                                       UseuPwd = info.Element("UserPwd").Value
                                   };
                     if (AllInfo != null)
                     {
                         foreach (Users l in AllInfo)
                         {
                             txtLoginName.Text = l.UserName;
                             txtLoginPwd.Text = l.UseuPwd;
                             cbAutomatic.Checked = true;
                             var checkoutData = from a in am.SelectUsersAll()
                                                where a.UserName == l.UserName
                                                select a;
                             Users getCheckoutData = new Users();
                             foreach (var get in checkoutData)
                             {
                                 getCheckoutData.UserName = get.UserName;
                                 getCheckoutData.UseuPwd = get.UseuPwd;
                             }
                             DialogResult dialogResult = MessageBox.Show("你确定要自动登录 [" + txtLoginName.Text + "]吗？", "自动登录提示",
                                 MessageBoxButtons.OKCancel,
                                 MessageBoxIcon.Asterisk);
                             if (dialogResult == DialogResult.OK)
                             {
                                 if (txtLoginName.Text != getCheckoutData.UserName)
                                 {
                                     MessageBox.Show("自动登录账号 [" + txtLoginName.Text + "] 不存在！", "登录出错",
                                         MessageBoxButtons.OK,
                                         MessageBoxIcon.Error);
                                     txtLoginName.Focus();
                                     return;
                                 }
                                 if (txtLoginPwd.Text != getCheckoutData.UseuPwd)
                                 {
                                     MessageBox.Show("自动登录密码不正确！", "登录提示",
                                        MessageBoxButtons.OK,
                                        MessageBoxIcon.Asterisk);
                                     txtLoginPwd.Focus();
                                     return;
                                 }
                                 //传值
                                 List<Users> Userss = am.SelectUsersAll().FindAll((p) => p.UserName.IndexOf(txtLoginName.Text) >= );
                               foreach (Users a in Userss)
                               {
                                   saveUsersInfo.Name = a.Name;
                                   saveUsersInfo.userNo = a.UNo;
                               }

                                 this.Hide();
                                 FrmMain frm = new FrmMain();
                                 frm.Show();
                                 //List<Users> Users = am.SelectUsersByconn(txtLoginName.Text);
                                 //foreach (Users a in Users)
                                 //{
                                 //    Ano = a.ANo;
                                 //    Name = a.Name;
                                 //}
                             }
                         }
                     }
                 }
                 else
                 {
                     timeLogin.Enabled = false;
                 }
             }
             else
             {
                 timeLogin.Enabled = false;
             }
         }
         #endregion

         private void cbAutomatic_CheckedChanged(object sender, EventArgs e)
         {
             if (cbAutomatic.Checked)
             {
                 cbRememberPwd.Checked = true;
                 return;
             }
         }
         #endregion