还原测试的修改

lib/ui/pages/web_page.dart

@@ -43,74 +43,80 @@ class WebPage extends StatelessWidget {
       ),
       child: BlocConsumer<WebCubit, WebState>(
         builder: (ctx, state) {
-          return Scaffold(
-            appBar: _buildAppBar(ctx, state),
-            endDrawer: _buildDrawer(ctx, state),
-            body: Stack(
-              children: [
-                state.loaded
-                    ? SizedBox(
-                  height: MediaQuery.of(ctx).size.height - 60, // 减去100像素留空
-                  child: WebViewWidget(controller: ctx.read<WebCubit>().controller),
-                )
-                    : const Center(
-                  child: Column(
-                    mainAxisAlignment: MainAxisAlignment.center,
-                    children: [
-                      CircularProgressIndicator(color: Color(0xFF7691fa)),
-                      SizedBox(height: 16),
-                      Text('加载中...'),
-                    ],
+          return PopScope(
+            canPop: false,
+            onPopInvokedWithResult: (didPop, result) {
+              ctx.read<WebCubit>().handleBack();
+            },
+            child: Scaffold(
+              appBar: _buildAppBar(ctx, state),
+              endDrawer: _buildDrawer(ctx, state),
+              body: Stack(
+                children: [
+                  state.loaded
+                      ? SizedBox(
+                    height: MediaQuery.of(ctx).size.height - 60, // 减去100像素留空
+                    child: WebViewWidget(controller: ctx.read<WebCubit>().controller),
+                  )
+                      : const Center(
+                    child: Column(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      children: [
+                        CircularProgressIndicator(color: Color(0xFF7691fa)),
+                        SizedBox(height: 16),
+                        Text('加载中...'),
+                      ],
+                    ),
                   ),
-                ),
-                // 添加升级遮罩层
-                if (state.isUpgrading)
-                  Container(
-                    color: Colors.black54,
-                    child: const Center(
-                      child: Column(
-                        mainAxisAlignment: MainAxisAlignment.center,
-                        children: [
-                          CircularProgressIndicator(color: Color(0xFF7691fa)),
-                          SizedBox(height: 16),
-                          Text('资源更新中...', style: TextStyle(color: Colors.white)),
-                        ],
+                  // 添加升级遮罩层
+                  if (state.isUpgrading)
+                    Container(
+                      color: Colors.black54,
+                      child: const Center(
+                        child: Column(
+                          mainAxisAlignment: MainAxisAlignment.center,
+                          children: [
+                            CircularProgressIndicator(color: Color(0xFF7691fa)),
+                            SizedBox(height: 16),
+                            Text('资源更新中...', style: TextStyle(color: Colors.white)),
+                          ],
+                        ),
                       ),
                     ),
+                ],
+              ),
+              bottomNavigationBar: state.showBottomNavBar
+                  ? BottomNavigationBar(
+                type: BottomNavigationBarType.fixed,
+                currentIndex: state.selectedIndex,
+                selectedItemColor: Color(0xFF7691fa),
+                unselectedItemColor: Color(0xFF969799),
+                onTap: (index) {
+                  // 更新选中索引
+                  ctx.read<WebCubit>().updateSelectedIndex(index);
+                  // 根据 index 执行相应的操作
+                },
+                items: const [
+                  BottomNavigationBarItem(
+                    icon: Icon(Icons.home, size: 32),
+                    label: '我的班级',
+                  ),
+                  BottomNavigationBarItem(
+                    icon: Icon(Icons.contact_page, size: 32),
+                    label: '通讯录',
+                  ),
+                  BottomNavigationBarItem(
+                    icon: Icon(Icons.find_in_page, size: 32),
+                    label: '发现',
+                  ),
+                  BottomNavigationBarItem(
+                    icon: Icon(Icons.person, size: 32),
+                    label: '我的',
                   ),
-              ],
+                ],
+              )
+                  : null,
             ),
-            bottomNavigationBar: state.showBottomNavBar
-                ? BottomNavigationBar(
-              type: BottomNavigationBarType.fixed,
-              currentIndex: state.selectedIndex,
-              selectedItemColor: Color(0xFF7691fa),
-              unselectedItemColor: Color(0xFF969799),
-              onTap: (index) {
-                // 更新选中索引
-                ctx.read<WebCubit>().updateSelectedIndex(index);
-                // 根据 index 执行相应的操作
-              },
-              items: const [
-                BottomNavigationBarItem(
-                  icon: Icon(Icons.home, size: 32),
-                  label: '我的班级',
-                ),
-                BottomNavigationBarItem(
-                  icon: Icon(Icons.contact_page, size: 32),
-                  label: '通讯录',
-                ),
-                BottomNavigationBarItem(
-                  icon: Icon(Icons.find_in_page, size: 32),
-                  label: '发现',
-                ),
-                BottomNavigationBarItem(
-                  icon: Icon(Icons.person, size: 32),
-                  label: '我的',
-                ),
-              ],
-            )
-                : null,
           );
         },
         listener: (context, state) {
@@ -139,19 +145,19 @@ class WebPage extends StatelessWidget {
       actionsIconTheme: IconThemeData(color: Colors.white),
       leading: state.opIcon == 'back'
           ? IconButton(
-              icon: const Icon(Icons.arrow_back, color: Colors.white),
-              onPressed: () {
-                ctx.read<WebCubit>().handleBack();
-              },
-            )
+        icon: const Icon(Icons.arrow_back, color: Colors.white),
+        onPressed: () {
+          ctx.read<WebCubit>().handleBack();
+        },
+      )
           : (state.opIcon == 'home'
-              ? IconButton(
-                  icon: const Icon(Icons.home, color: Colors.white),
-                  onPressed: () {
-                    ctx.read<WebCubit>().handleHome();
-                  },
-                )
-              : null),
+          ? IconButton(
+        icon: const Icon(Icons.home, color: Colors.white),
+        onPressed: () {
+          ctx.read<WebCubit>().handleHome();
+        },
+      )
+          : null),
     );
   }