college/models/exam.py

@@ -59,6 +59,12 @@ class ExamQuestion(models.Model):
     correct_answer = fields.Char(
         string='正确答案',
         help='判断题填 True/False；填空题填标准答案（多个空用 | 分隔）。选择题由「选项」的「正确答案」标记决定。')
+    # 判断题专用：把 True/False 映射成 对/错 展示与选择，存储仍是 True/False
+    correct_answer_tf = fields.Selection(
+        [('True', '对'), ('False', '错')],
+        string='正确答案',
+        compute='_compute_correct_answer_tf', inverse='_inverse_correct_answer_tf',
+        help='判断题的正确答案：对 / 错。')
     reference_answer = fields.Html(
         string='参考答案', sanitize=True,
         help='简答题的参考答案，供老师评阅与学生查看解析时参考。')
@@ -99,6 +105,16 @@ class ExamQuestion(models.Model):
         if self.question_type in ('single_choice', 'multiple_choice') and not self.option_ids:
             self.option_ids = self._default_option_lines()
 
+    @api.depends('correct_answer')
+    def _compute_correct_answer_tf(self):
+        for q in self:
+            q.correct_answer_tf = q.correct_answer if q.correct_answer in ('True', 'False') else 'True'
+
+    def _inverse_correct_answer_tf(self):
+        for q in self:
+            if q.correct_answer_tf:
+                q.correct_answer = q.correct_answer_tf
+
     def _get_correct_options(self):
         """返回本题的正确选项记录（仅选择题有效）。"""
         self.ensure_one()

college/views/exam_views.xml

@@ -61,9 +61,12 @@
                         </page>
                         <page string="答案与解析" name="answer">
                             <group>
+                                <field name="correct_answer_tf"
+                                       invisible="question_type != 'true_false'"
+                                       required="question_type == 'true_false'"/>
                                 <field name="correct_answer"
-                                       invisible="question_type not in ('true_false','fill_blank')"
-                                       required="question_type in ('true_false','fill_blank')"/>
+                                       invisible="question_type != 'fill_blank'"
+                                       required="question_type == 'fill_blank'"/>
                                 <field name="reference_answer" widget="html"
                                        invisible="question_type != 'essay'"/>
                             </group>