更新UI

PublicFunctions/ObjLoader.cpp

@@ -40,37 +40,25 @@ ObjLoader::ObjLoader(QObject *parent)
  */
 ObjLoader::~ObjLoader()
 {
-    // 1. 先销毁所有子模型（避免父模型先销毁导致子模型悬空）
-    QVector<QString> childDeviceNames;
-    for (const auto& device : m_deviceMap) {
-        if (!device.parentDeviceName.isEmpty()) {
-            childDeviceNames.append(device.name);
-        }
-    }
-    for (const auto& childName : childDeviceNames) {
-        auto it = m_deviceMap.find(childName);
-        if (it != m_deviceMap.end()) {
-            delete it->modelTransform;
-            delete it->transform;
-            delete it->modelEntity;
-            delete it->entity;
-            m_deviceMap.erase(it);
-        }
-    }
-
-    // 2. 再销毁父模型
-    for (auto &device : m_deviceMap) {
-        delete device.modelTransform;
-        delete device.transform;
-        delete device.modelEntity;
-        delete device.entity;
+    // 安全清理：避免双重删除和悬空指针
+    
+    // 1. 停止动画定时器
+    if (m_animTimer) {
+        m_animTimer->stop();
+        m_animTimer->deleteLater();
+        m_animTimer = nullptr;
     }
+    
+    // 2. 清理设备映射表（Qt3D对象由Qt框架自动管理，不要手动delete）
     m_deviceMap.clear();
-
-    // 3. 清理场景资源
-    delete m_wholeModelEntity;
-    delete m_rootEntity;
-    delete m_3dView;
+    
+    // 3. 清理场景资源（设置为nullptr，Qt框架会自动管理）
+    m_wholeModelEntity = nullptr;
+    m_rootEntity = nullptr;
+    
+    // 4. 3D窗口由Qt容器管理，不要手动删除
+    m_3dView = nullptr;
+    m_viewContainer = nullptr;
 }
 /**
  * @brief ObjLoader::setEnDebug 是否启用qDebug打印信息