Example #1
0
        private void button1_Click(object sender, EventArgs e)
        {
            var test = new Form2 {
                Text = $@"{textBox1.Text} | {textBox2.Text} | {comboBox1.Text}"
            };

            test.Qp = QuestionPack.FromFile($".\\quests\\{comboBox1.Text}");
            if (test.ShowDialog() != DialogResult.OK)
            {
                return;
            }

            var sum = test.Answers.Sum(i => i.Value);
            var cnt = test.Answers.Count;
            var prc = sum * 100f / cnt;
            var scr = prc * 5f / 100f;


            File.AppendAllText($".\\quests\\{comboBox1.Text.Replace(".qst",".ans")}",
                               $"Дата    : {DateTime.Now.ToShortDateString()} {DateTime.Now.ToLongTimeString()}\r\n" +
                               $"Студент : {textBox1.Text}\r\n" +
                               $"Группа  : {textBox2.Text}\r\n" +
                               $"Оценка  : {Math.Round(scr, 0)} ({Math.Round(scr, 4)})\r\n" +
                               $"Время   : {(test.Qp.TimeToTest>0 ? $"{(test.Ended- test.Started).TotalSeconds:N0}" : "0" )} сек.\r\n" +
                               $"-------------------------------------------------------------------\r\n" +
                               $"Вопросов: {Math.Round(sum, 0)} из {cnt} ({Math.Round(prc, 3)}% верно)\r\n" +
                               $"Баллы   : ({Math.Round(sum, 2):N2}) {string.Join(" | ", test.Answers.OrderBy(a=>a.Key).Select(a => Math.Round(a.Value, 2)).ToArray())}\r\n" +
                               $"===================================================================\r\n",
                               Encoding.UTF8
                               );

            string wa = "";

            for (int i = 0; i < test.Answers.Count; i++)
            {
                if (test.Answers[i] < 1f)
                {
                    wa += $"{i}] {test.Answers[i]}%\n";
                }
            }


            MessageBox.Show(
                $"Вы прошли тест: {comboBox1.Text}\n\nВаша оценка:  {Math.Round(scr, 0)} ({Math.Round(scr, 4)})\n\nПравильных ответов: {Math.Round(sum, 0)} из {cnt} ({Math.Round(prc, 3)}%){(wa != "" ? $"\n\nСписок неверных ответов:\n{wa.Trim()}" : "")}",
                @"Тест пройден", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
Example #2
0
        public static QuestionPack FromFile(string fileName)
        {
            if (string.IsNullOrEmpty(fileName))
            {
                return(null);
            }

            var q = new QuestionPack();

            try
            {
                using (var f = new FileStream(fileName, FileMode.Open, FileAccess.Read))
                    using (var r = new BinaryReader(f))
                    {
                        q.Author       = r.ReadString();
                        q.Title        = r.ReadString();
                        q.Discipline   = r.ReadString();
                        q.Theme        = r.ReadString();
                        q.Questions    = new List <Question>();
                        q.TimeToAnswer = r.ReadInt32();
                        q.TimeToTest   = r.ReadInt32();

                        var qc = r.ReadInt32();
                        for (var i = 0; i < qc; i++)
                        {
                            var bin = r.ReadBytes(r.ReadInt32());
                            var qt  = Question.FromBinary(bin);
                            if (qt != null)
                            {
                                q.Questions.Add(qt);
                            }
                        }
                    }
            }
            catch
            {
                return(null);
            }

            return(q);
        }