feat : 导航页上传按钮

lib/app/core/bindings/initial_binding.dart

@@ -24,7 +24,7 @@ class InitialBinding implements Bindings {
     Get.put<GetStorage>(GetStorage(), permanent: true);
     Get.put<Uuid>(Uuid(), permanent: true);
     Get.put<HttpProvider>(HttpProvider());
-    // Get.put<SQLiteService>(SQLiteService());
+    Get.put<SQLiteService>(SQLiteService());
     Get.put<DatabaseService>(DatabaseService());
     Get.put<NetworkStatusService>(NetworkStatusService());
     Get.put(UpgraderService());

lib/app/features/navigation/presentation/bindings/navigation_binding.dart

@@ -1,6 +1,7 @@
 import 'package:get/get.dart';
 import 'package:problem_check_system/app/core/models/problem_sync_status.dart';
 import 'package:problem_check_system/app/core/repositories/auth_repository.dart';
+import 'package:problem_check_system/app/core/services/network_status_service.dart';
 import 'package:problem_check_system/app/features/problem/data/repositories/problem_repository.dart';
 import 'package:problem_check_system/app/features/enterprise/presentation/controllers/enterprise_list_controller.dart';
 import 'package:problem_check_system/app/features/navigation/presentation/controllers/navigation_controller.dart';
@@ -11,7 +12,11 @@ class NavigationBinding extends Bindings {
   @override
   void dependencies() {
     /// 注册主页控制器
-    Get.lazyPut<NavigationController>(() => NavigationController());
+    Get.lazyPut<NavigationController>(
+      () => NavigationController(
+        networkStatusService: Get.find<NetworkStatusService>(),
+      ),
+    );
     Get.put(ProblemStateManager(uuid: Get.find(), authRepository: Get.find()));
     Get.lazyPut<EnterpriseListController>(() => EnterpriseListController());
 

lib/app/features/navigation/presentation/controllers/navigation_controller.dart

@@ -1,5 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
+import 'package:problem_check_system/app/core/routes/app_routes.dart';
+import 'package:problem_check_system/app/core/services/network_status_service.dart';
 import 'package:problem_check_system/app/features/enterprise/presentation/pages/enterprise_list_page.dart';
 import 'package:problem_check_system/app/features/home/views/home_page.dart';
 import 'package:problem_check_system/app/features/my/views/my_page.dart';
@@ -7,6 +10,17 @@ import 'package:problem_check_system/app/features/problem/presentation/views/pro
 
 class NavigationController extends GetxController {
   var selectedIndex = 0.obs;
+
+  /// floatingButton 拖动
+  final double _fabSize = 56.0;
+  final double _edgePaddingX = 27.0.w;
+  final double _edgePaddingY = 111.0.h;
+  final fabUploadPosition = Offset(337.0, 703.7).obs;
+  final NetworkStatusService networkStatusService;
+  NavigationController({required this.networkStatusService});
+
+  /// get 选中的
+  RxBool get isOnline => networkStatusService.isOnline;
   // 页面列表
   final List<Widget> pages = [
     const HomePage(),
@@ -20,4 +34,67 @@ class NavigationController extends GetxController {
   void changePageIndex(int index) {
     selectedIndex.value = index;
   }
+
+  /// floatingButton更新位置
+  void updateFabUploadPosition(Offset delta) {
+    final screenWidth = ScreenUtil().screenWidth;
+    final screenHeight = ScreenUtil().screenHeight;
+
+    Offset newPosition = fabUploadPosition.value + delta;
+
+    // 限制水平范围：按钮左边缘与屏幕左边缘的距离
+    double clampedDx = newPosition.dx.clamp(
+      _edgePaddingX,
+      screenWidth - _fabSize - _edgePaddingX,
+    );
+
+    // 限制垂直范围：按钮上边缘与屏幕上边缘的距离
+    double clampedDy = newPosition.dy.clamp(
+      _edgePaddingY,
+      screenHeight - _fabSize - _edgePaddingY,
+    );
+
+    fabUploadPosition.value = Offset(clampedDx, clampedDy);
+  }
+
+  /// floatingButton 贴靠
+  void snapToEdge() {
+    final screenWidth = ScreenUtil().screenWidth;
+
+    // 获取当前按钮的水平中心点
+    final buttonCenterDx = fabUploadPosition.value.dx + _fabSize / 2;
+
+    double newDx;
+
+    // 判断按钮中心点位于屏幕的左半部分还是右半部分
+    if (buttonCenterDx < screenWidth / 2) {
+      // 贴靠到左侧，按钮左边缘与屏幕左边缘距离为 _edgePaddingX
+      newDx = _edgePaddingX;
+    } else {
+      // 贴靠到右侧，按钮右边缘与屏幕右边缘距离为 _edgePaddingX
+      newDx = screenWidth - _fabSize - _edgePaddingX;
+    }
+
+    // 关键：只更新水平位置，垂直位置保持不变
+    fabUploadPosition.value = Offset(newDx, fabUploadPosition.value.dy);
+  }
+
+  void handleFabUploadTap() {
+    // 使用 switch 语句判断当前选中的页面索引
+    switch (selectedIndex.value) {
+      case 1: // 企业列表页面
+        Get.log("当前在企业页面，准备跳转到企业数据上传页...");
+        // 使用命名路由进行跳转，这是最佳实践
+        // Get.toNamed(AppRoutes.ENTERPRISE_UPLOAD);
+        break;
+      case 2: // 问题列表页面
+        Get.log("当前在问题页面，准备跳转到问题上传页...");
+        // Get.toNamed(AppRoutes.PROBLEM_UPLOAD);
+        break;
+      default:
+        // 在其他页面（如首页、我的）点击时，可以不响应或给一个提示
+        Get.snackbar("提示", "当前页面没有可上传的内容", snackPosition: SnackPosition.BOTTOM);
+        break;
+    }
+  }
 }

lib/app/features/navigation/presentation/pages/navigation_page.dart

@@ -1,3 +1,5 @@
+// lib/app/features/navigation/presentation/pages/navigation_page.dart
+
 import 'package:curved_navigation_bar/curved_navigation_bar.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
@@ -8,22 +10,58 @@ class NavigationPage extends GetView<NavigationController> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    // 1. 将整个页面包裹在一个 Stack 中，以创建一个全局的坐标系
+    return Stack(
+      children: [
+        // 2. Scaffold 作为 Stack 的底层，负责主要的页面结构
+        Scaffold(
+          // 3. 移除 Scaffold 的 floatingActionButton 属性
           bottomNavigationBar: CurvedNavigationBar(
             backgroundColor: Colors.transparent,
             color: Colors.blueAccent,
-        items: <Widget>[
+            items: const <Widget>[
               Icon(Icons.home, color: Colors.white, size: 30),
               Icon(Icons.business, color: Colors.white, size: 30),
               Icon(Icons.list, color: Colors.white, size: 30),
               Icon(Icons.person, color: Colors.white, size: 30),
             ],
             onTap: (index) {
-          //Handle button tap
               controller.changePageIndex(index);
             },
           ),
           body: Obx(() => controller.currentPage),
+        ),
+
+        // 4. 将悬浮按钮作为 Stack 的顶层，使用 Positioned 进行精确定位
+        Obx(() {
+          final isOnline = controller.isOnline.value;
+          return Positioned(
+            left: controller.fabUploadPosition.value.dx,
+            top: controller.fabUploadPosition.value.dy,
+            child: GestureDetector(
+              onPanUpdate: (details) {
+                controller.updateFabUploadPosition(details.delta);
+              },
+              onPanEnd: (details) {
+                controller.snapToEdge();
+              },
+              child: FloatingActionButton(
+                heroTag: "btn_upload",
+                onPressed: isOnline
+                    ? () => controller.handleFabUploadTap()
+                    : null,
+                foregroundColor: Colors.white,
+                backgroundColor: isOnline ? Colors.red[300] : Colors.grey[400],
+                child: Icon(
+                  isOnline
+                      ? Icons.file_upload_outlined
+                      : Icons.cloud_off_outlined,
+                ),
+              ),
+            ),
+          );
+        }),
+      ],
     );
   }
 }