feat:增加菜单栏模块
This commit is contained in:
328
lib/pages/home_page.dart
Normal file
328
lib/pages/home_page.dart
Normal file
@@ -0,0 +1,328 @@
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import 'package:blog_app/pages/about_page.dart';
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import 'package:blog_app/pages/message_page.dart';
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import 'package:blog_app/pages/profile_page.dart';
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import 'package:blog_app/pages/settings_page.dart';
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import 'package:flutter/material.dart';
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class HomePage extends StatefulWidget {
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@override
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_HomePageState createState() => _HomePageState();
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}
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class _HomePageState extends State<HomePage> {
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int _currentPageIndex = 0;
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late PageController _pageController;
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// 页面标题列表
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final List<String> _pageTitles = [
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'个人资料',
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'消息中心',
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'设置',
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'关于我们',
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];
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// 页面图标列表
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final List<IconData> _pageIcons = [
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Icons.home,
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Icons.person,
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Icons.message,
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Icons.settings,
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Icons.info,
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];
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@override
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void initState() {
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super.initState();
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_pageController = PageController(initialPage: _currentPageIndex);
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}
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@override
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void dispose() {
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_pageController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text(_pageTitles[_currentPageIndex]),
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backgroundColor: Colors.blue,
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elevation: 0,
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leading: Builder(
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builder: (context) => IconButton(
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icon: Icon(Icons.menu, color: Colors.white),
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onPressed: () => Scaffold.of(context).openDrawer(),
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),
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),
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actions: [
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IconButton(
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icon: Icon(Icons.search, color: Colors.white),
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onPressed: () {},
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),
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],
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),
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drawer: _buildDrawer(),
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body: PageView(
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controller: _pageController,
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onPageChanged: (index) {
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setState(() {
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_currentPageIndex = index;
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});
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},
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children: [
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ProfilePage(),
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MessagePage(),
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SettingsPage(),
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AboutPage(),
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],
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),
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);
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}
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Widget _buildDrawer() {
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return Drawer(
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child: Container(
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color: Colors.white,
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child: Column(
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children: [
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// 抽屉头部
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_buildDrawerHeader(),
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// 菜单项列表
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Expanded(
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child: ListView(
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padding: EdgeInsets.zero,
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children: [
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...List.generate(_pageTitles.length, (index) =>
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_buildDrawerItem(
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icon: _pageIcons[index],
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title: _pageTitles[index],
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index: index,
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)
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),
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],
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),
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),
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],
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),
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),
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);
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}
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Widget _buildDrawerHeader() {
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return Container(
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width: double.infinity,
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height: 200,
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [Colors.blue, Colors.lightBlue],
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),
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),
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child: SafeArea(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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CircleAvatar(
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radius: 40,
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backgroundColor: Colors.white.withOpacity(0.3),
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child: Icon(
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Icons.person,
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size: 50,
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color: Colors.white,
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),
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),
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SizedBox(height: 16),
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Text(
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'用户名',
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style: TextStyle(
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color: Colors.white,
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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SizedBox(height: 4),
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Text(
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'user@example.com',
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style: TextStyle(
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color: Colors.white70,
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fontSize: 14,
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),
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),
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],
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),
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),
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);
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}
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Widget _buildDrawerItem({
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required IconData icon,
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required String title,
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required int index,
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}) {
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final bool isSelected = index == _currentPageIndex;
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final bool isSpecialItem = index == -1; // 特殊菜单项标识
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return Container(
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margin: EdgeInsets.symmetric(horizontal: 12, vertical: 4),
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decoration: BoxDecoration(
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color: isSelected ? Colors.blue.withOpacity(0.1) : Colors.transparent,
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borderRadius: BorderRadius.circular(12),
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),
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child: ListTile(
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leading: Icon(
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icon,
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color: isSelected ? Colors.blue :
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isSpecialItem ? Colors.grey[600] : Colors.grey[700],
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size: 24,
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),
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title: Text(
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title,
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style: TextStyle(
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color: isSelected ? Colors.blue :
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isSpecialItem ? Colors.grey[600] : Colors.grey[800],
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fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
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fontSize: 16,
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),
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),
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trailing: isSelected ? Icon(
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Icons.arrow_forward_ios,
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size: 16,
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color: Colors.blue,
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) : null,
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onTap: () {
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if (!isSpecialItem) {
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// 正常页面切换
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setState(() {
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_currentPageIndex = index;
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});
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_pageController.animateToPage(
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index,
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duration: Duration(milliseconds: 300),
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curve: Curves.easeInOut,
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);
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} else {
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// 特殊菜单项处理
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_handleSpecialItemTap(title);
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}
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Navigator.pop(context); // 关闭抽屉
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},
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),
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);
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}
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void _handleSpecialItemTap(String title) {
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// 处理特殊菜单项的点击事件
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switch (title) {
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case '帮助中心':
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print('打开帮助中心');
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break;
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case '意见反馈':
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print('打开意见反馈');
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break;
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case '退出登录':
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print('执行退出登录');
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break;
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}
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}
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}
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// 各个页面组件
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class HomeContentPage extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return SingleChildScrollView(
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padding: EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 欢迎卡片
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Card(
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elevation: 4,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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child: Padding(
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padding: EdgeInsets.all(20),
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child: Row(
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children: [
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Icon(Icons.waving_hand, size: 40, color: Colors.amber),
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SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'欢迎回来！',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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SizedBox(height: 4),
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Text(
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'今天也是美好的一天',
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style: TextStyle(color: Colors.grey),
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),
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],
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),
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),
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],
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),
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),
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),
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SizedBox(height: 20),
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// 功能网格
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GridView.count(
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shrinkWrap: true,
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physics: NeverScrollableScrollPhysics(),
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crossAxisCount: 2,
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crossAxisSpacing: 16,
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mainAxisSpacing: 16,
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children: [
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_buildFeatureCard('数据统计', Icons.analytics, Colors.blue),
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_buildFeatureCard('文件管理', Icons.folder, Colors.green),
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_buildFeatureCard('消息通知', Icons.notifications, Colors.orange),
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_buildFeatureCard('系统设置', Icons.settings, Colors.purple),
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],
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),
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],
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),
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);
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}
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Widget _buildFeatureCard(String title, IconData icon, Color color) {
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return Card(
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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child: InkWell(
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borderRadius: BorderRadius.circular(12),
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onTap: () {},
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child: Container(
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padding: EdgeInsets.all(16),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(icon, size: 40, color: color),
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SizedBox(height: 8),
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Text(
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title,
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style: TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 14,
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),
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textAlign: TextAlign.center,
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),
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],
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),
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),
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),
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);
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}
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}
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