/// <summary>
/// 初始化配置数据
/// </summary>
private void InitConfig()
{
//创建xml配置文档
XMLDAL.CreateXML();
//获取复选框的状态
bool checkBoxStatus = XMLDAL.GetCheckBoxStatus();
ckbSavePassword.IsChecked = checkBoxStatus;//设置复选框的状态
//获取下拉框的user
userList = XMLDAL.GetUser();
for (int i = userList.Count - 1; i >= 0; i--)
{
cbxUserName.Items.Add(userList[i][0]);//初始化下拉框
}
//如果处于保存密码状态，则将最近一次登录过的用户信息填上
if (checkBoxStatus == true)
{
cbxUserName.Text = userList[userList.Count - 1][0];
pwx.Password = userList[userList.Count - 1][1];
if (cbxUserName.Text != "用户名")
{
cbxUserName.Foreground = new SolidColorBrush(Colors.Black);
pwx.Foreground = new SolidColorBrush(Colors.Black);
}
}
}
public MainViewModel()
{
_dal = new XMLDAL(Properties.Settings.Default.DataDirectory);
SelectedDeckList = new DeckList();
SelectedDeck = new Deck();
RefreshDeckLists();
// Set commands
CreateDeckListCommand = new RelayCommand <object>(new Action <object>(PromptToCreateDeckList));
UpdateDeckListCommand = new RelayCommand <object>(new Action <object>(UpdateDeckList));
DeleteDeckListCommand = new RelayCommand <object>(new Action <object>(DeleteDeckList));
CreateDeckCommand = new RelayCommand <object>(new Action <object>(PromptToCreateDeck));
}
private void Window_Closed(object sender, EventArgs e)
{
//关闭子窗体
if (TransWindow.detailWindow != null)
{
TransWindow.detailWindow.Close();
}
if (TransWindow.rankDisplay != null)
{
TransWindow.rankDisplay.Close();
}
if (TransWindow.addWindField != null)
{
TransWindow.addWindField.Close();
}
XMLDAL.UpdateCheckBoxStatus(ckbSavePassword.IsChecked.ToString());//保存保存密码复选框的状态
if (ckbSavePassword.IsChecked == false)
{
//如果不保存密码，则清空所有user的密码
XMLDAL.CleanPassword();
}
}
private void loginWork()
{
//首先检查数据库连接
if (LoginDAL.CheckDBConnection() != 0)
{
MessageBox.Show("连接失败，请检查网络连接！", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
btnLogin.Content = "登录失败";
return;
}
//获取全国的风机数量
int pointNum = FanPointDAL.GetAllPoints().Count;
labPointNum.Content = pointNum + " 台";
//获取全国风场数量
int windFieldNum = AllWindFieldDAL.GetWindFieldNumber();
labWindFieldNumber.Content = windFieldNum + "个";
//获取全国的公司数量
int companyNum = AllWindFieldDAL.GetCompanyNumber();
labCompanyNumber.Content = companyNum + " 家";
initEvent(); //加载地图
int ErrorTimeSpanMin = 30;//为保证账户安全，设置多次登录错误后的用户需要等待的时间
if (cbxUserName.Text == "用户名" || pwx.Password == "*#*#*#")
{
MessageBox.Show("用户名或密码有误，请重新输入！", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
cbxUserName.Focus();
return;
}
User user = LoginDAL.GetAccountByUserName(cbxUserName.Text);//获取当前的用户信息
if (user == null)
{
MessageBox.Show("不存在此用户！", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
cbxUserName.Focus();
return;
}
else
{
//如果距离上次登录成功已经超过30分钟，则将登录错误次数清零
if (user.LoginTime != null)
{
DateTime dt = LoginDAL.GetServerTime(); //获取服务器当前时间
TimeSpan ts = dt - (DateTime)user.LoginTime; //获取当前用户最新的上一次登录的时间
if (ts.TotalMinutes >= ErrorTimeSpanMin) //如果用户长时间没登录过，则将以前的登录错误次数清零
{
LoginDAL.ResetErrorTimesByUserName(user.UserName); //登录错误次数清零
user.ErrorTimes = 0; //本地记录的登录错误次数清零
}
else if (user.ErrorTimes >= 3) //如果登录错误次数超过了3次，则禁止用户在 ErrorTimeSpanMin 时间内登录(单位/分钟)
{
MessageBox.Show("登录失败次数过多，请 "
+ Math.Ceiling(ErrorTimeSpanMin - ts.TotalMinutes)
+ " 分钟后重试！",
"警告", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
}
}
string passWord = LoginDAL.GetMD5(pwx.Password);//获取加密后的密码
if (passWord != user.Password)
{
LoginDAL.UpdateErrorTimesByUserName(user.UserName); //登录错误次数+1
LoginDAL.UpdateLoginTimeByUserName(user.UserName); //更新登录时间
MessageBox.Show("密码不正确，请重新输入！", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
pwx.Focus();
return;
}
if ((cbxUserName.Text == user.UserName) && (passWord == user.Password))
{
//登录成功
XMLDAL.UpdateUser(cbxUserName.Text, pwx.Password); //将登录成功的用户信息更新到配置文件里
LoginDAL.UpdateLoginTimeByUserName(user.UserName); //更新登录时间
LoginDAL.ResetErrorTimesByUserName(user.UserName); //登录错误次数清零
LoginGrid.Visibility = Visibility.Hidden;
MainGrid.Visibility = Visibility.Visible;
}
else
{
LoginDAL.UpdateErrorTimesByUserName(user.UserName); //登录错误次数+1
LoginDAL.UpdateLoginTimeByUserName(user.UserName); //更新登录时间
MessageBox.Show("登录失败，请重试！", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
