feat:更新记录页面模块

lib/main.dart

@@ -12,7 +12,15 @@ class MyApp extends StatelessWidget {
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(debugShowCheckedModeBanner: false, home: MainPage());
+    return MaterialApp(
+      debugShowCheckedModeBanner: false,
+      theme: ThemeData(fontFamily: 'CustomFont', primaryColor: Colors.green),
+      home: MainPage(),
+      routes: {
+        '/home': (context) => MainPage(),
+        '/new': (context) => NewPage(),
+      },
+    );
   }
 }
 
@@ -32,14 +40,46 @@ class _mainPage extends State<MainPage> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: const Text("食光集", style: TextStyle(fontSize: 18)),
-        backgroundColor: Colors.green,
+        centerTitle: true,
+        title: Text('Food Hub'),
+        backgroundColor: Colors.white,
+        leading: IconButton(
+          icon: Icon(Icons.menu),
+          onPressed: () {
+            // 打开侧边栏或菜单
+          },
+        ),
+        actions: [
+          IconButton(
+            icon: Icon(Icons.search),
+            onPressed: () {
+              // 搜索功能
+            },
+          ),
+          IconButton(
+            icon: Icon(Icons.more_vert),
+            onPressed: () {
+              // 更多选项
+            },
+          ),
+        ],
       ),
       backgroundColor: Color(0xFFF5F5F5),
       body: _tabPages[_currentIndex],
+      floatingActionButton:
+          _currentIndex == _tabPages.length - 1
+              ? null
+              : FloatingActionButton(
+                mini: true,
+                onPressed: () {
+                  Navigator.pushNamed(context, '/new');
+                },
+                backgroundColor: Colors.green,
+                shape: const CircleBorder(),
+                child: Icon(Icons.add, color: Colors.white),
+              ),
       bottomNavigationBar: BottomNavigationBar(
         currentIndex: _currentIndex,
-        fixedColor: Colors.green,
         iconSize: 25,
         type: BottomNavigationBarType.fixed,
         items: const [
@@ -58,3 +98,24 @@ class _mainPage extends State<MainPage> {
     );
   }
 }
+
+class NewPage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text('新页面')),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            Text('这是新页面'),
+            ElevatedButton(
+              onPressed: () => Navigator.pop(context),
+              child: Text('返回'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}