private void BtUserLogin_Click(object sender, RoutedEventArgs e)
{
#region 取来账号和密码的信息
string userID = TextUserID.Text.Trim().ToString();
IntPtr p = System.Runtime.InteropServices.Marshal.SecureStringToBSTR(this.TextUserPassword.SecurePassword);
string userPassword = System.Runtime.InteropServices.Marshal.PtrToStringBSTR(p);
#endregion
#region 连接数据库 完成登录验证
SqlConnection sqlConnection = new SqlConnection(ConfigManager.ConnectStr);//数据库对象
try
{
sqlConnection.Open();
string sql = "select * from userInfo where userID=@userID and userPassword=@userPassword ";
SqlParameter[] parameters = new SqlParameter[2]
{
new SqlParameter("@userID", userID),
new SqlParameter("@userPassword", userPassword)
};
DataTable dataSet = SqlHelper.ExcuteTable(sql, CommandType.Text, parameters);
sqlConnection.Close();//关闭数据库
#region 对返回的数据进行判断用户是否成功登录
if (dataSet.Rows.Count == 0)
{
MessageBox.Show("登录失败，请检查账号密码是否正确");
}
else
{
#region 完成用户信息的读取
UserInfo.UserID = dataSet.Rows[0][0].ToString();
UserInfo.UserName = dataSet.Rows[0][2].ToString();
UserInfo.UserPhone = dataSet.Rows[0][3].ToString();
UserInfo.UserMail = dataSet.Rows[0][4].ToString();
UserInfo.UserProfession = dataSet.Rows[0][5].ToString();
#endregion
#region 跳转用户用户界面，关闭登录窗口
UserWindow userWindow = new UserWindow();
userWindow.Show();
this.Close();//关闭当前窗口
#endregion
//写入日志
string log = string.Format("用户：{0}，登录该系统成功，登录ip:{1}\n", userID, IPAddress.Loopback);
WriteLog(log);
}
#endregion
}
catch
{
if (sqlConnection.State == ConnectionState.Open)
{
sqlConnection.Close();
}
WriteLog("登录系统异常\n");
}
#endregion
}
// Handle server response to Login request.
public async void ServerResponse(User currentUser)
{
byte[] answer = new byte[1];
// Read answer from server.
await stream.ReadAsync(answer, 0, 1);
switch (answer[0])
{
case (int)EServerResponse.UserNotExist:
ShowErrorLabel(userNotExist);
break;
case (int)EServerResponse.SuccessSignIn:
if (uploadFiles == null)
{
GetAllFiles(currentUser.UploadPath.Trim());
}
UserWindow userControlPanel = new UserWindow(stream, uploadFiles, currentUser);
userControlPanel.Show();
errorLabel.Visibility = Visibility.Hidden;
this.Close();
break;
case (int)EServerResponse.UserAlredyConnected:
ShowErrorLabel(userAlreadySignIn);
break;
case (int)EServerResponse.UserDisable:
ShowErrorLabel(userDisable);
break;
}
}