更新睡眠报告页面和控制页面无设备的显示

lib/pages/mh_page/MattressControl.dart

@@ -6,6 +6,7 @@ import 'package:flutter_svg/svg.dart';
 import 'package:flutter_switch/flutter_switch.dart';
 import 'package:vbvs_app/common/util/FitTool.dart';
 import 'package:vbvs_app/controller/user_info_controller.dart';
+import 'package:vbvs_app/pages/mh_page/homepage/controller/mht_home_controller.dart';
 import 'package:vbvs_app/pages/mh_page/test/WebviewTestModel.dart';
 
 class MattressControlPage extends StatefulWidget {
@@ -18,50 +19,56 @@ class MattressControlPage extends StatefulWidget {
 class _MattressControlPageState extends State<MattressControlPage> {
   final controller = Get.put(ControlCardController());
   UserInfoController userInfoController = Get.find();
+  MHTHomeController deviceController = Get.find();
 
   int selectedIndex = 1; // 当前选中的tab索引
 
   @override
   Widget build(BuildContext context) {
-    final isLoggedIn = userInfoController.model.login == 1;
-    final backgroundImage = isLoggedIn
-        ? 'assets/images/new_background.png'
-        : 'assets/images/noLoginControl.png';
-
     return LayoutBuilder(
       builder: (context, bodySize) => GestureDetector(
-        child: Stack(
-          children: [
-            // Background Image
-            Container(
-              decoration: BoxDecoration(
-                image: DecorationImage(
-                  image: AssetImage(backgroundImage),
-                  fit: BoxFit.fill,
-                ),
-              ),
-            ),
+        child: Obx(() {
+          final isLoggedIn = userInfoController.model.login == 1;
+          final hasDevice = deviceController.deviceList.values.isNotEmpty;
 
-            // Blur overlay when not logged in
-            if (!isLoggedIn)
-              Positioned.fill(
-                child: BackdropFilter(
-                  filter: ImageFilter.blur(sigmaX: 5.0, sigmaY: 5.0),
-                  child: Container(
-                    color: Colors.black.withOpacity(0.5),
+          final showNoLoginView = !isLoggedIn || !hasDevice;
+
+          final backgroundImage = showNoLoginView
+              ? 'assets/images/noLoginControl.png'
+              : 'assets/images/new_background.png';
+
+          return Stack(
+            children: [
+              // 背景图片
+              Container(
+                decoration: BoxDecoration(
+                  image: DecorationImage(
+                    image: AssetImage(backgroundImage),
+                    fit: BoxFit.fill,
                   ),
                 ),
               ),
+              // 遮罩层：未登录或无设备时显示
+              if (showNoLoginView)
+                Positioned.fill(
+                  child: BackdropFilter(
+                    filter: ImageFilter.blur(sigmaX: 5.0, sigmaY: 5.0),
+                    child: Container(
+                      color: Colors.black.withOpacity(0.5),
+                    ),
+                  ),
+                ),
 
-            // Main Content
-            Scaffold(
-              backgroundColor: Colors.transparent,
-              body: SafeArea(
-                child: WebviewTestView(),
+              // 主内容
+              Scaffold(
+                backgroundColor: Colors.transparent,
+                body: SafeArea(
+                  child: WebviewTestView(),
+                ),
               ),
-            ),
-          ],
-        ),
+            ],
+          );
+        }),
       ),
     );
   }