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);
}
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);
}
