hnu202326010114
/
MathSystem2
1
0
Fork 0
Code Issues Pull Requests 1 Packages Projects Releases Wiki Activity

答案成绩判断更改

Browse Source
pull/5/head
梁晨旭 2 months ago
parent 8a8a03839c
commit deae482e48
1 changed files with 49 additions and 39 deletions
Show Stats Download Patch File Download Diff File

88
src/main/java/com/example/mathsystemtogether/ExamTakingController.java
Unescape View File

@ -18,7 +18,7 @@ import java.util.*;
* 考试进行界面控制器
*/
public class ExamTakingController {
// 界面控件
@FXML private Label examInfoLabel;
@FXML private Label questionNumberLabel;
@ -34,7 +34,7 @@ public class ExamTakingController {
@FXML private Button exitExamButton;
@FXML private ProgressBar progressBar;
@FXML private Label progressLabel;
// 数据成员
private List<Question> examQuestions;
private int currentQuestionIndex = 0;
@ -45,13 +45,13 @@ public class ExamTakingController {
private int totalQuestions;
private Timeline timer;
private int remainingSeconds;
@FXML
public void initialize() {
setupAnswerGroup();
setupTimer();
}
private void setupAnswerGroup() {
answerGroup = new ToggleGroup();
optionA.setToggleGroup(answerGroup);
@ -59,7 +59,7 @@ public class ExamTakingController {
optionC.setToggleGroup(answerGroup);
optionD.setToggleGroup(answerGroup);
}
private void setupTimer() {
// 设置30分钟倒计时
remainingSeconds = 30 * 60; // 30分钟 = 1800秒
@ -67,7 +67,7 @@ public class ExamTakingController {
timer.setCycleCount(Timeline.INDEFINITE);
timer.play();
}
private void updateTimer() {
remainingSeconds--;
if (remainingSeconds <= 0) {
@ -75,12 +75,12 @@ public class ExamTakingController {
handleTimeUp();
return;
}
int minutes = remainingSeconds / 60;
int seconds = remainingSeconds % 60;
timeLabel.setText(String.format("⏰ 剩余时间: %02d:%02d", minutes, seconds));
}
private void handleTimeUp() {
Alert alert = new Alert(Alert.AlertType.WARNING);
alert.setTitle("时间到");
@ -89,37 +89,37 @@ public class ExamTakingController {
alert.showAndWait();
showResults();
}
public void setExamData(List<Question> questions, String username, String level) {
this.examQuestions = questions;
this.username = username;
this.level = level;
this.totalQuestions = questions.size();
examInfoLabel.setText(String.format("👤 %s | 📚 %s | 📝 %d题", username, level, totalQuestions));
displayCurrentQuestion();
updateProgress();
}
private void displayCurrentQuestion() {
if (currentQuestionIndex >= examQuestions.size()) {
showResults();
return;
}
Question question = examQuestions.get(currentQuestionIndex);
questionNumberLabel.setText(String.format("第 %d 题 / 共 %d 题",
questionNumberLabel.setText(String.format("第 %d 题 / 共 %d 题",
currentQuestionIndex + 1, examQuestions.size()));
questionTextLabel.setText(question.getQuestionText());
optionA.setText("A. " + question.getOptionA());
optionB.setText("B. " + question.getOptionB());
optionC.setText("C. " + question.getOptionC());
optionD.setText("D. " + question.getOptionD());
// 清除之前的选择
answerGroup.selectToggle(null);
// 更新按钮状态
if (currentQuestionIndex == examQuestions.size() - 1) {
submitButton.setText("✅ 提交并完成考试");
@ -128,17 +128,17 @@ public class ExamTakingController {
submitButton.setText("✅ 提交答案");
nextButton.setVisible(true);
}
updateProgress();
}
private void updateProgress() {
double progress = (double) currentQuestionIndex / examQuestions.size();
progressBar.setProgress(progress);
progressLabel.setText(String.format("进度: %d/%d (%.1f%%)",
progressLabel.setText(String.format("进度: %d/%d (%.1f%%)",
currentQuestionIndex + 1, examQuestions.size(), progress * 100));
}
@FXML
private void handleSubmitAnswer() {
RadioButton selectedOption = (RadioButton) answerGroup.getSelectedToggle();
@ -146,10 +146,10 @@ public class ExamTakingController {
showAlert("请选择一个答案", "请先选择答案再提交");
return;
}
String answer = selectedOption.getText().substring(0, 1); // 获取A、B、C、D
String answer = getAnswerValue(selectedOption.getText().substring(0, 1)); // 获取答案
userAnswers.put(currentQuestionIndex, answer);
if (currentQuestionIndex == examQuestions.size() - 1) {
// 最后一题，显示结果
timer.stop();
@ -160,13 +160,23 @@ public class ExamTakingController {
displayCurrentQuestion();
}
}
// 添加辅助方法获取选项对应的实际值
private String getAnswerValue(String optionLetter) {
Question currentQuestion = examQuestions.get(currentQuestionIndex);
switch (optionLetter) {
case "A": return currentQuestion.getOptionA();
case "B": return currentQuestion.getOptionB();
case "C": return currentQuestion.getOptionC();
case "D": return currentQuestion.getOptionD();
default: return "";
}
}
@FXML
private void handleNextQuestion() {
currentQuestionIndex++;
displayCurrentQuestion();
}
@FXML
private void handleExitExam() {
if (showExitConfirmation()) {
@ -174,7 +184,7 @@ public class ExamTakingController {
returnToMainMenu();
}
}
private boolean showExitConfirmation() {
Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
alert.setTitle("确认退出");
@ -182,7 +192,7 @@ public class ExamTakingController {
alert.setContentText("退出后当前进度将丢失。");
return alert.showAndWait().orElse(ButtonType.CANCEL) == ButtonType.OK;
}
private void showAlert(String title, String message) {
Alert alert = new Alert(Alert.AlertType.INFORMATION);
alert.setTitle(title);
@ -190,34 +200,34 @@ public class ExamTakingController {
alert.setContentText(message);
alert.showAndWait();
}
private void showResults() {
try {
// 停止计时器
timer.stop();
// 计算成绩
int correctCount = 0;
StringBuilder resultDetails = new StringBuilder();
for (int i = 0; i < examQuestions.size(); i++) {
Question question = examQuestions.get(i);
String userAnswer = userAnswers.get(i);
boolean isCorrect = question.isCorrect(userAnswer);
if (isCorrect) {
correctCount++;
}
resultDetails.append("第").append(i + 1).append("题: ");
resultDetails.append(question.getQuestionText()).append("\n");
resultDetails.append("你的答案: ").append(userAnswer != null ? userAnswer : "未作答").append(" ");
resultDetails.append("正确答案: ").append(question.getCorrectAnswer()).append(" ");
resultDetails.append(isCorrect ? "✓" : "✗").append("\n\n");
}
int score = (int) Math.round((double) correctCount / examQuestions.size() * 100);
// 显示结果对话框
Alert resultAlert = new Alert(Alert.AlertType.INFORMATION);
resultAlert.setTitle("考试完成");
@ -227,21 +237,21 @@ public class ExamTakingController {
score, correctCount, examQuestions.size(), (double) correctCount / examQuestions.size() * 100
));
resultAlert.showAndWait();
// 返回主菜单
returnToMainMenu();
} catch (Exception e) {
showAlert("错误", "显示结果时出错：" + e.getMessage());
}
}
private void returnToMainMenu() {
try {
// 关闭当前窗口
Stage currentStage = (Stage) submitButton.getScene().getWindow();
currentStage.close();
// 打开主菜单
FXMLLoader loader = new FXMLLoader(getClass().getResource("exam-view.fxml"));
Scene scene = new Scene(loader.load(), 1000, 900);
@ -249,7 +259,7 @@ public class ExamTakingController {
stage.setTitle("数学考试系统");
stage.setScene(scene);
stage.show();
} catch (Exception e) {
showAlert("错误", "返回主菜单时出错：" + e.getMessage());
}

Write Preview
Loading…
Cancel
Save