feat:增加登录模块

lib/main.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:food_hub_app/profile.dart';
 import 'package:food_hub_app/record.dart';
+import 'package:food_hub_app/views/login.dart';
+import 'package:food_hub_app/views/recordForm.dart';
 
 void main() {
   runApp(const MyApp());
@@ -15,10 +17,10 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       theme: ThemeData(fontFamily: 'CustomFont', primaryColor: Colors.green),
-      home: MainPage(),
+      home: LoginPage(),
       routes: {
         '/home': (context) => MainPage(),
-        '/new': (context) => NewPage(),
+        '/recordForm': (context) => RecordFormPage(),
       },
     );
   }
@@ -28,10 +30,10 @@ class MainPage extends StatefulWidget {
   const MainPage({super.key});
 
   @override
-  State<StatefulWidget> createState() => _mainPage();
+  State<StatefulWidget> createState() => _MainPage();
 }
 
-class _mainPage extends State<MainPage> {
+class _MainPage extends State<MainPage> {
   int _currentIndex = 0;
 
   final List<Widget> _tabPages = const [RecordPage(), ProfilePage()];
@@ -67,17 +69,7 @@ class _mainPage extends State<MainPage> {
       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),
-              ),
+      _currentIndex == _tabPages.length - 1 ? null : addItemButton(context),
       bottomNavigationBar: BottomNavigationBar(
         currentIndex: _currentIndex,
         iconSize: 25,
@@ -99,23 +91,16 @@ 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'),
-            ),
-          ],
-        ),
-      ),
-    );
+Widget addItemButton(BuildContext context) {
+  void onAddItemClick(BuildContext context) {
+    Navigator.pushNamed(context, '/recordForm');
   }
+
+  return FloatingActionButton(
+    mini: true,
+    onPressed: () => onAddItemClick(context),
+    backgroundColor: Colors.green,
+    shape: const CircleBorder(),
+    child: Icon(Icons.add, color: Colors.white),
+  );
 }