flutter3手机os实例|flutter3.22+dart3+getx后台管理os系统

flutter3-os-admin 原创自研基于最新跨端技术flutter3.22+dart3.4+getx+fl_chart构建手机桌面os后台管理系统模板。

采用全新自研flutter栅格桌面布局引擎、分屏式多页管理、自定义主题壁纸、卡片式桌面小部件、可拖拽式悬浮球菜单等功能。

运用技术

开发工具：VScode
技术框架：Flutter3.22.1+Dart3.4.1
路由/状态管理：get^4.6.6
本地存储：get_storage^2.1.1
svg图片插件：flutter_svg^2.0.10+1
图表组件：fl_chart^0.68.0
国际化时间：intl^0.19.0

之前有分享过一篇vue3+uniapp跨端仿ios手机OA系统。感兴趣的话，可以去看看。
https://segmentfault.com/a/1190000044899693

项目结构目录

该项目已经同步发布到原创作品集，感兴趣的话，欢迎去看看~
https://gf.bilibili.com/item/detail/1106107011

import 'dart:io';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:intl/date_symbol_data_local.dart';

import 'utils/index.dart';

// 引入桌面栅格模板
import 'layouts/desk.dart';

// 引入路由管理
import 'router/index.dart';

void main() async {
  // 初始化get_storage本地存储
  await GetStorage.init();
  // 初始化国际化语言
  initializeDateFormatting();

  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 GetMaterialApp(
      title: 'Flutter WeOS',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
        useMaterial3: true,
        // 修复windows端字体粗细不一致
        fontFamily: Platform.isWindows ? 'Microsoft YaHei' : null,
      ),
      home: const DeskLayout(),
      // 初始化路由
      initialRoute: Utils.isLogin() ? '/' : '/launch',
      // 路由页面
      getPages: routes,
    );
  }
}

全新的数字密码解锁新模式。
5ed3d3fcfb179c8b43021e1f75704120_1289798-20240606075805306-666523875.png

使用 AnimatedSwitcher 和 FadeTransition 实现切换动画效果。

ae5dd9078db4f73e2c2bc9a8409eceef_1289798-20240606074856084-1427905882.png

@override
Widget build(BuildContext context) {
  return Layout(
    extendBodyBehindAppBar: true,
    body: Container(
      padding: const EdgeInsets.all(20.0),
      child: AnimatedSwitcher(
        duration: const Duration(milliseconds: 250),
        // 动画控制
        transitionBuilder: (child, animation) {
          return FadeTransition(
            opacity: animation,
            child: ScaleTransition(
              // scale: animation,
              scale: animation.drive(Tween(begin: 0.9, end: 1.0).chain(CurveTween(curve: Curves.easeOut))),
              child: child,
            ),
          );
        },
        // 当内容有变化的时候就会触发动画
        child: splashScreen ? GestureDetector(
          // 修复Column和Row组件，点击空白处无响应问题
          behavior: HitTestBehavior.translucent,
          child: Column(
            children: [
              ...
            ],
          ),
          onPanStart: (details) {
            setState(() {
              swipeY = details.globalPosition.dy;
            });
          },
          onPanUpdate: (details) {
            double posY = swipeY - details.globalPosition.dy;
            if(posY > 100) {
              setState(() {
                splashScreen = false;
              });
            }
          },
        )
        :
        Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              ...
            ],
          ),
        ),
      ),
    ),
  );
}

1ad7c8b32450caff35959a2a59639a87_1289798-20240606080044662-455011205.png

Column(
  children: [
    const Text('数字密码解锁', style: TextStyle(color: Colors.white, fontSize: 14.0),),
    const SizedBox(height: 10.0,),
    Wrap(
      spacing: 15.0,
      children: List.generate(passwordArr.length, (index) {
        return AnimatedContainer(
          duration: const Duration(milliseconds: 300),
          height: 10.0,
          width: 10.0,
          decoration: BoxDecoration(
            color: int.parse(passwordArr[index]) <= pwdValue.length ? Colors.white : Colors.white.withOpacity(0.01),
            border: Border.all(color: Colors.white),
            borderRadius: BorderRadius.circular(50.0),
          ),
        );
      })
    ),
  ],
),

Container(
  width: 250.0,
  margin: const EdgeInsets.only(top: 50.0),
  child: Wrap(
    spacing: 15.0,
    runSpacing: 15.0,
    alignment: WrapAlignment.center,
    children: List.generate(keyNumbers.length, (index) {
      return Material(
        type: MaterialType.transparency,
        child: Ink(
          height: 60.0,
          width: 60.0,
          decoration: BoxDecoration(
            color: Colors.white24,
            border: Border.all(color: Colors.white24, width: .5),
            borderRadius: BorderRadius.circular(50.0),
          ),
          child: InkWell(
            borderRadius: BorderRadius.circular(50.0),
            overlayColor: WidgetStateProperty.all(Colors.white38),
            child: DefaultTextStyle(
              style: const TextStyle(color: Colors.white, fontFamily: 'arial'),
              child: Column(
                children: [
                  const SizedBox(height: 10.0,),
                  Text(keyNumbers[index]['num'], style: const TextStyle(fontSize: 20.0, fontWeight: FontWeight.bold),),
                  Text(keyNumbers[index]['letter'], style: const TextStyle(fontSize: 10.0),),
                ],
              ),
            ),
            onTap: () {
              handleClickNum(keyNumbers[index]['num']);
            },
          ),
        ),
      );
    })
  ),
),

公共布局模板

b8ce5fd3a5cde1ca0c1b342887bbf447_1289798-20240606080827120-1251638686.png

@override
Widget build(BuildContext context) {
  return Scaffold(
    extendBodyBehindAppBar: widget.extendBodyBehindAppBar,
    appBar: widget.appBar ?? AppBar(
      forceMaterialTransparency: true,
      backgroundColor: Colors.transparent,
      foregroundColor: Colors.white,
      toolbarHeight: 0,
    ),
    body: Center(
      child: Stack(
        children: [
          // 壁纸皮肤
          if(widget.showBackground)
            Obx(() => Container(
              decoration: BoxDecoration(
                image: DecorationImage(
                  image: AssetImage('${skinController.skinUrl}'),
                  fit: BoxFit.fill,
                ),
              ),
            ))
          ,
          Flex(
            direction: Axis.vertical,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // 顶部插槽
              Container(
                child: widget.header,
              ),

              // 内容区域
              Expanded(
                child: widget.body ?? Container(),
              ),

              // 底部插槽
              Container(
                child: widget.footer,
              ),
            ],
          ),
          // 额外插槽
          Container(
            child: widget.extra,
          ),
        ],
      ),
    ),
  );
}

桌面栅格os菜单

2e8cd255047b3b8b68e2956f3415fa7c_1289798-20240606081914932-1676024752.png

d06a2855b7275408a0591fd5a778fbed_1289798-20240606082027855-1104647357.png

/*
 * ================== 桌面os菜单配置项 ==================
 * [label]  图标标题
 * [imgico] 图标(本地或网络图片) 当type: 'icon'则为uni-icons图标名，当type: 'widget'则为自定义小部件标识名
 * [type]   图标类型(icon | widget) icon为uni-icons图标、widget为自定义小部件
 * [path]   跳转路由页面
 * [link]   跳转外部链接
 * [hideLabel]  是否隐藏图标标题
 * [background] 自定义图标背景色
 * [size] 栅格磁贴布局(16种) 1x1 1x2 1x3 1x4、2x1 2x2 2x3 2x4、3x1 3x2 3x3 3x4、4x1 4x2 4x3 4x4
 * [onClick]  点击图标回调函数
 */

ce73bd3226d9e402051214b6e0c07380_1289798-20240606082311540-7370266.png

b737744270095c5242bb94da77224980_1289798-20240606082424160-2048214472.png

93d698cc1cd2da0c406c0478fb1d9a69_1289798-20240606082618748-919425520.png

List deskMenus = [
  ...
  {
    'uid': '3u85fb90-12c4-11e1-840d-7b25c5ee775a',
    'list': [
      {'label': 'Flutter3.22', 'imgico': 'assets/images/flutter.png', 'link': 'https://flutter.dev/'},
      {'label': 'Dart中文官方文档', 'imgico': 'assets/images/dart.png', 'link': 'https://dart.cn/'},
      ...
      {'label': '日历', 'imgico': const Calendar1x1(), 'type': 'widget', 'path': '/calendar', 'background': const Color(0xffffffff),},
      {'label': '首页', 'imgico': const Icon(Icons.home_outlined), 'type': 'icon', 'path': '/home'},
      {'label': '工作台', 'imgico': const Icon(Icons.poll_outlined), 'type': 'icon', 'path': '/workplace'},
      {
        'label': '组件',
        'children': [
          {'label': '组件', 'imgico': 'assets/images/svg/component.svg', 'path': '/component'},
          ...
        ]
      },
      {
        'label': '管理中心',
        'children': [
          {'label': '个人主页', 'imgico': 'assets/images/svg/my.svg', 'path': '/ucenter'},
          ...
        ]
      },
      {
        'label': '编程开发',
        'children': [
          {'label': 'Github', 'imgico': 'assets/images/svg/github.svg', 'background': const Color(0xff607d8b),},
          {'label': 'Flutter', 'imgico': 'assets/images/flutter.png', 'background': const Color(0xFFDAF2FA),},
          {'label': 'ChatGPT', 'imgico': 'assets/images/svg/chatgpt.svg', 'background': const Color(0xFF15A17F),},
          ...
        ]
      },
      {
        'label': '关于', 'imgico': const Icon(Icons.info), 'type': 'icon',
        'onClick': () => {
          ...
        }
      },
      {
        'label': '公众号', 'imgico': const Icon(Icons.qr_code), 'type': 'icon',
        'onClick': () => {
          ...
        }
      },
    ]
  }
  ...
];

通过开发这个flutter-os手机os项目，旨在探索flutter全新手机后台OA管理新模式。

https://segmentfault.com/a/1190000044847552

https://segmentfault.com/a/1190000044741696

https://segmentfault.com/a/1190000044675519