From b1f065a7901446fb1dc46731523adfed214ef0cb Mon Sep 17 00:00:00 2001
From: wanghu <wanghu@yuanhai.com>
Date: Tue, 20 Oct 2026 15:12:49 +0800
Subject: [PATCH] =?UTF-8?q?=E6=98=BE=E7=A4=BA=E7=8F=AD=E7=BA=A7?=
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---
 src/views/classroom/ClassroomManage.vue | 45 ++++++++++++-------------
 1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/src/views/classroom/ClassroomManage.vue b/src/views/classroom/ClassroomManage.vue
index 17fd083..a55d13e 100644
--- a/src/views/classroom/ClassroomManage.vue
+++ b/src/views/classroom/ClassroomManage.vue
@@ -504,17 +504,14 @@ const focusBuildingName = computed(
 );
 
 /**
- * 详情面板的绑定班级行。树回退行没有班级字段（classId 为 undefined）→ 全部显示"—"；
- * 未绑定（classId 为 null）→ 班级行显示"未绑定"；已绑定 → 年级/班级/班主任/人数。
+ * 详情面板的绑定班级行。未绑定班级（classId 为空，含树回退行）→ null，班级块整体不渲染；
+ * 已绑定 → 年级/班级/班主任/人数。
  */
 const focusClassRows = computed(() => {
     const fr = focusRoom.value;
     const dash = "—";
-    if (!fr || fr.classId === undefined) {
-        return { grade: dash, className: dash, headTeacher: dash, studentCount: dash };
-    }
-    if (fr.classId == null) {
-        return { grade: dash, className: "未绑定", headTeacher: dash, studentCount: dash };
+    if (!fr || fr.classId == null) {
+        return null;
     }
     return {
         grade: fr.gradeName || (fr.grade != null ? GRADE_LABELS[fr.grade] ?? dash : dash),
@@ -1249,22 +1246,24 @@ onMounted(async () => {
                                     </Tag>
                                 </span>
                             </div>
-                            <div class="detail-row">
-                                <span class="detail-row__label">年级</span>
-                                <span class="detail-row__value">{{ focusClassRows.grade }}</span>
-                            </div>
-                            <div class="detail-row">
-                                <span class="detail-row__label">班级</span>
-                                <span class="detail-row__value">{{ focusClassRows.className }}</span>
-                            </div>
-                            <div class="detail-row">
-                                <span class="detail-row__label">班主任</span>
-                                <span class="detail-row__value">{{ focusClassRows.headTeacher }}</span>
-                            </div>
-                            <div class="detail-row">
-                                <span class="detail-row__label">人数</span>
-                                <span class="detail-row__value">{{ focusClassRows.studentCount }}</span>
-                            </div>
+                            <template v-if="focusClassRows">
+                                <div class="detail-row">
+                                    <span class="detail-row__label">年级</span>
+                                    <span class="detail-row__value">{{ focusClassRows.grade }}</span>
+                                </div>
+                                <div class="detail-row">
+                                    <span class="detail-row__label">班级</span>
+                                    <span class="detail-row__value">{{ focusClassRows.className }}</span>
+                                </div>
+                                <div class="detail-row">
+                                    <span class="detail-row__label">班主任</span>
+                                    <span class="detail-row__value">{{ focusClassRows.headTeacher }}</span>
+                                </div>
+                                <div class="detail-row">
+                                    <span class="detail-row__label">人数</span>
+                                    <span class="detail-row__value">{{ focusClassRows.studentCount }}</span>
+                                </div>
+                            </template>
                         </div>
 
                         <!-- 布局示意图（按座位数/设备生成的示意，非实际测绘图） -->