Flutter侧边栏组件Drawer

主要代码:

Dart 复制代码
 drawer: const Drawer(
   child: Column(
     children: [
       Row(
         children: [
           Expanded(
             flex: 1,
             child: UserAccountsDrawerHeader(
               accountName: Text("张三"),
               accountEmail: Text("xxx@qq.com"),
               currentAccountPicture: CircleAvatar(
                 backgroundImage: NetworkImage(
                     "https://www.itying.com/images/flutter/1.png"),
               ),
               decoration: BoxDecoration(
                 image: DecorationImage(
                   image: NetworkImage(
                       "https://www.itying.com/images/flutter/2.png"),
                   fit: BoxFit.cover,
                 ),
               ),
             ),
           ),
         ],
       ),
       ListTile(
         leading: CircleAvatar(
           child: Icon(
             Icons.people,
           ),
         ),
         title: Text("个人中心"),
       ),
       Divider(),
       ListTile(
         leading: CircleAvatar(
           child: Icon(
             Icons.settings,
           ),
         ),
         title: Text("系统设置"),
       )
     ],
   ),
 ),

在Drawer组件中直接写布局就行,需要在Scaffold组件下添加AppBar组件才会显示侧边栏三道杠菜单图标,不添加AppBar不显示图标,可以侧滑。

右边侧滑用:

Dart 复制代码
endDrawer: Drawer(

),

完整代码:

Dart 复制代码
import 'package:flutter/material.dart';
import 'package:flutter_demo/tabs/category.dart';
import 'package:flutter_demo/tabs/home.dart';
import 'package:flutter_demo/tabs/people.dart';
import 'package:flutter_demo/tabs/setting.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(primarySwatch: Colors.blue),
      home: const Scaffold(
        body: MyHomePage(),
      ),
    );
  }
}

class MyHomePage extends StatelessWidget {
  const MyHomePage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return const Tabs();
  }
}

class Tabs extends StatefulWidget {
  const Tabs({super.key});

  @override
  State<Tabs> createState() => _TabsState();
}

class _TabsState extends State<Tabs> {
  int currentIndex = 0;

  List<Widget> pages = const [
    HomePage(),
    CategoryPage(),
    SettingPage(),
    PeoplePage()
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Flutter"),
      ),
      body: pages[currentIndex],
      drawer: const Drawer(
        child: Column(
          children: [
            Row(
              children: [
                Expanded(
                  flex: 1,
                  child: UserAccountsDrawerHeader(
                    accountName: Text("张三"),
                    accountEmail: Text("xxx@qq.com"),
                    currentAccountPicture: CircleAvatar(
                      backgroundImage: NetworkImage(
                          "https://www.itying.com/images/flutter/1.png"),
                    ),
                    decoration: BoxDecoration(
                      image: DecorationImage(
                        image: NetworkImage(
                            "https://www.itying.com/images/flutter/2.png"),
                        fit: BoxFit.cover,
                      ),
                    ),
                  ),
                ),
              ],
            ),
            ListTile(
              leading: CircleAvatar(
                child: Icon(
                  Icons.people,
                ),
              ),
              title: Text("个人中心"),
            ),
            Divider(),
            ListTile(
              leading: CircleAvatar(
                child: Icon(
                  Icons.settings,
                ),
              ),
              title: Text("系统设置"),
            )
          ],
        ),
      ),
      endDrawer: const Drawer(
        child: Text("cc"),
      ),
      bottomNavigationBar: BottomNavigationBar(
        //选中菜单颜色
        fixedColor: Colors.red,
        //图标大小,默认24.0
        iconSize: 30,
        //第几个菜单选中
        currentIndex: currentIndex,
        //当item数量大于3个时需要设置type属性
        type: BottomNavigationBarType.fixed,
        unselectedItemColor: Colors.grey.shade600,
        onTap: (index) {
          setState(() {
            currentIndex = index;
          });
        },
        items: const [
          BottomNavigationBarItem(
            icon: Icon(Icons.home),
            label: "首页",
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.category),
            label: "分类",
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.settings),
            label: "设置",
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.people),
            label: "用户",
          ),
        ],
      ),
    );
  }
}
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