答案成绩判断更改

src/main/java/com/example/mathsystemtogether/ExamTakingController.java

@@ -147,7 +147,7 @@ public class ExamTakingController {
             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) {
@@ -160,7 +160,17 @@ 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++;