Java怎么实现侧边栏功能

这篇文章主要讲解了"Java怎么实现侧边栏功能"，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习"Java怎么实现侧边栏功能"吧！

import 'package:flutter/material.dart';import 'tabs/Home.dart';import 'tabs/Category.dart';import 'tabs/Setting.dart';class Tabs extends StatefulWidget {  final index;  Tabs({Key key, this.index = 0}) : super(key: key);  @override  _TabsState createState() => _TabsState(this.index);}class _TabsState extends State {  int _currentIndex = 0;  _TabsState(index) {    this._currentIndex = index;  }  // 把页面存放到数组里  List _pageList = [    HomePage(),    CategoryPage(),    SettingPage(),  ];  @override  Widget build(BuildContext context) {    return Scaffold(      appBar: AppBar(        title: Text('首页'),      ),      body: this._pageList[this._currentIndex],      bottomNavigationBar: BottomNavigationBar(        // 默认选中第几项        currentIndex: this._currentIndex,        // 导航栏点击获取索引值        onTap: (int index) {          setState(() {            this._currentIndex = index;          });        },        // iconSize: 30.0, //icon的大小        fixedColor: Colors.red, //选中的颜色        type: BottomNavigationBarType.fixed, //配置底部tabs可以有多个按钮        //定义导航栏的图片+名称        items: [          BottomNavigationBarItem(icon: Icon(Icons.home), title: Text("首页")),          BottomNavigationBarItem(              icon: Icon(Icons.category), title: Text("分类")),          BottomNavigationBarItem(              icon: Icon(Icons.settings), title: Text("设置")),        ],      ),      // 这里是核心代码      drawer: Drawer(        child: Column(          children: [            Row(              children: [                Expanded(                    child: UserAccountsDrawerHeader(                  accountName: Text("任我行RQ"),                  accountEmail: Text("www.1342134929@qq.com"),                  currentAccountPicture: CircleAvatar(                    backgroundImage: NetworkImage(                        "https://cache.yisu.com/upload/information/20200729/145/36557.jpg"),                  ),                  decoration: BoxDecoration(                      image: DecorationImage(                    image: NetworkImage(                        "https://cache.yisu.com/upload/information/20200729/145/36557.jpg"),                    fit: BoxFit.cover,                  )),                ))              ],            ),            ListTile(              leading: CircleAvatar(                child: Icon(Icons.home),              ),              title: Text("我的空间"),              onTap: () {                Navigator.of(context).pop(); //隐藏侧边栏                Navigator.pushNamed(context, '/NavBar'); //路由的跳转              },            ),            Divider(),            ListTile(              leading: CircleAvatar(                child: Icon(Icons.people),              ),              title: Text("用户中心"),            ),            Divider(),            ListTile(              leading: CircleAvatar(                child: Icon(Icons.settings),              ),              title: Text("设置中心"),            ),          ],        ),      ),    );  }}

感谢各位的阅读，以上就是"Java怎么实现侧边栏功能"的内容了，经过本文的学习后，相信大家对Java怎么实现侧边栏功能这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是，小编将为大家推送更多相关知识点的文章，欢迎关注！