private void showBlank()
{
blankPanel.BringToFront();
Blank b = (Blank)blankList[curNum - choiceAmount];
blankQuestion.Text = b.questionDesc;
// 根据填空题的空格数量来显示输入框
int size = textList.Count;
for (int i = 0; i < b.blankNum; ++i) // 需要显示的输入框, 则清空之前输入的数据
{
textList[i].Visible = true; // 显示
textList[i].Text = null == blankAnswer[curNum - choiceAmount, i] ?
"" : blankAnswer[curNum - choiceAmount, i].ToString(); // 清空之前的数据
}
// 隐藏多余的输入框
for (int i = b.blankNum; i < size; ++i)
{
textList[i].Visible = false; // 隐藏多余的输入框
}
}
private void readBlankData()
{
// 读取 blank.txt 嵌入资源文件
Assembly asm = Assembly.GetExecutingAssembly();
Stream stream = asm.GetManifestResourceStream("ExamSystem.resource.blank.txt");
StreamReader reader = new StreamReader(stream);
String line = null;
Blank b = new Blank();
int count = 0;
blankList = new ArrayList();
while ((line = reader.ReadLine()) != null)
{
++count;
switch (count)
{
case 1:
b.questionDesc = line;
break;
case 2:
b.blankNum = Convert.ToInt32(line);
break;
case 3:
string[] blanks = line.Split(','); // 分割得到答案
b.blankA = blanks[0];
// 赋值给答案
if (blanks.Length >= 2)
{
b.blankB = blanks[1];
}
if (blanks.Length >= 3)
{
b.blankC = blanks[2];
}
if (blanks.Length == 4)
{
b.blankD = blanks[3];
}
break;
default:
break;
}
if ("" == line || "end" == line)
{
count = 0;
blankList.Add(b);
b = new Blank();
}
}
blankAmount = blankList.Count;
reader.Close();
}
private void btnSubmit_Click(object sender, EventArgs e)
{
// 判断是否已经提交过
if (System.IO.File.Exists(dirPath + fileName))
{
MessageBox.Show("已经提交答案，不能再次提交!");
return;
}
// 计算成绩
totalScore = 0;
// 遍历用户选择题答案
for (int i = 0; i < choiceAmount; ++i)
{
if (choiceAnswer[i] == ((Choice)choiceList[i]).answer)
{
totalScore += choiceScore;
}
}
// 遍历填空题进行比较
for (int i = 0; i < blankAmount; ++i) // 遍历每道填空题
{
Blank b = (Blank)blankList[i];
for (int j = 0; j < b.blankNum; ++j) // 遍历用户第 i 题的回答的答案(不分顺序)
{
string userAnswer = blankAnswer[i, j]; // 用户回答的答案
// 不分顺序, 则判断用户回答的答案是否在正确答案中
if ("" != userAnswer && null != userAnswer) // 判断用户是否回答该问题
{
// 用户回答了该问题, 则判断是否在正确答案中
userAnswer = userAnswer.Trim();
if (userAnswer == b.blankA)
{
totalScore += blankScore;
}
else if (userAnswer == b.blankB)
{
totalScore += blankScore;
}
else if (userAnswer == b.blankC)
{
totalScore += blankScore;
}
else if (userAnswer == b.blankD)
{
totalScore += blankScore;
}
}
}
}
string score = "最终成绩为: " + totalScore;
MessageBox.Show(score); // 对话框显示
scoreLabel.Text = "成绩:" + totalScore;
// 判断是否有该目录, 如果没有该目录, 则创建目录
if (!System.IO.Directory.Exists(dirPath))
{
System.IO.Directory.CreateDirectory(dirPath);
}
File.WriteAllText(dirPath + fileName, score);
// MessageBox.Show("textBlank1.Text is: " + textBlank1.Text + ",textBlank1.Text == \"\"" + (textBlank1.Text == ""));
}
