feat:初始化工程

lib/main.dart

@@ -0,0 +1,60 @@
+import 'package:flutter/material.dart';
+import 'package:food_hub_app/profile.dart';
+import 'package:food_hub_app/record.dart';
+
+void main() {
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  // This widget is the root of your application.
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(debugShowCheckedModeBanner: false, home: MainPage());
+  }
+}
+
+class MainPage extends StatefulWidget {
+  const MainPage({super.key});
+
+  @override
+  State<StatefulWidget> createState() => _mainPage();
+}
+
+class _mainPage extends State<MainPage> {
+  int _currentIndex = 0;
+
+  final List<Widget> _tabPages = const [RecordPage(), ProfilePage()];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text("食光集", style: TextStyle(fontSize: 18)),
+        backgroundColor: Colors.green,
+      ),
+      backgroundColor: Color(0xFFF5F5F5),
+      body: _tabPages[_currentIndex],
+      bottomNavigationBar: BottomNavigationBar(
+        currentIndex: _currentIndex,
+        fixedColor: Colors.green,
+        iconSize: 25,
+        type: BottomNavigationBarType.fixed,
+        items: const [
+          BottomNavigationBarItem(icon: Icon(Icons.home), label: "记录"),
+          BottomNavigationBarItem(
+            icon: Icon(Icons.account_circle),
+            label: "我的",
+          ),
+        ],
+        onTap: (index) {
+          setState(() {
+            _currentIndex = index;
+          });
+        },
+      ),
+    );
+  }
+}