From deae482e48633f709202ee23d10c7203525fb965 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=A2=81=E6=99=A8=E6=97=AD?= <15550449+ruantang231@user.noreply.gitee.com> Date: Fri, 10 Oct 2025 01:27:50 +0800 Subject: [PATCH] =?UTF-8?q?=E7=AD=94=E6=A1=88=E6=88=90=E7=BB=A9=E5=88=A4?= =?UTF-8?q?=E6=96=AD=E6=9B=B4=E6=94=B9?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../ExamTakingController.java | 88 +++++++++++-------- 1 file changed, 49 insertions(+), 39 deletions(-) diff --git a/src/main/java/com/example/mathsystemtogether/ExamTakingController.java b/src/main/java/com/example/mathsystemtogether/ExamTakingController.java index f4d9202..be77e36 100644 --- a/src/main/java/com/example/mathsystemtogether/ExamTakingController.java +++ b/src/main/java/com/example/mathsystemtogether/ExamTakingController.java @@ -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 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 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()); }