Flutter3Hotel通用酒店预订app实例|flutter3.27仿携程

xiaoyan2015
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经过半个月高效研发，開年跨平台原创新作Flutter3-Trip旅行酒店客房预订App系统正式完结叻~

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flutter3-triphotel基于最新跨平台Flutter3.27构建高性能项目框架。

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运用技术

  • 开发工具：vscode
  • 技术框架：flutter3.27.1 + dart3.6.0
  • 状态管理：get: ^4.6.6
  • 本地缓存：get_storage: ^2.1.1
  • 图片轮播组件：card_swiper^3.0.1
  • 日期选择插件：syncfusion_flutter_datepicker^28.2.5
  • 弹层提示：shirne_dialog^4.8.3
  • 瀑布流组件：flutter_staggered_grid_view^0.7.0
  • 滚动定位组件：scrollable_positioned_list^0.3.8

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酒店预订模块包含热门城市/位置品牌选择、入住离店日期区间选择、价格/星级等功能。

项目框架目录

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main.dart入口配置

/// 入口文件main.dart

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 'package:shirne_dialog/shirne_dialog.dart';

import 'utils/common.dart';

// 引入布局页面
import 'layouts/index.dart';

// 引入路由配置
import 'router/index.dart';

void main() async {
  // 初始化get_storage存储
  await GetStorage.init();
  // 初始化国际化语言
  initializeDateFormatting('zh_CN');
  
  runApp(const App());
}

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

  @override
  Widget build(BuildContext context) {
    return GetMaterialApp(
      title: 'Flutter3 Trip',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Color(0xFF006ff6)),
        useMaterial3: true,
        // 修正windows下字体不一致情况
        fontFamily: Platform.isWindows ? 'Microsoft YaHei' : null
      ),
      home: const Layout(),
      // 初始化路由
      initialRoute: Common.isLogin() ? '/' : '/login',
      // 路由页面
      getPages: routePages,
      // 初始化弹窗key
      navigatorKey: MyDialog.navigatorKey,
    );
  }
}

flutter3实现首页滚动指示器

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late ScrollController indicatorController = ScrollController();
// 滚动位置
double indicatorOffset = 0;

@override
void initState() {
  super.initState();
  indicatorController.addListener(() {
    setState(() {
      indicatorOffset = indicatorController.position.pixels / indicatorController.position.maxScrollExtent;
    });
  });
  ...
}

Column(
  children: [
    Expanded(
      child: SingleChildScrollView(
        controller: indicatorController,
        scrollDirection: Axis.horizontal,
        child: Row(
          ...
        ),
      ),
    ),
    // 指示槽
    Stack(
      children: [
        Container(
          decoration: BoxDecoration(
            color: Color(0xFFE1EFFF),
            borderRadius: BorderRadius.circular(50.0),
          ),
          height: 4.0,
          width: 50.0,
        ),
        Container(
          margin: EdgeInsets.only(left: indicatorOffset * 30.0),
          decoration: BoxDecoration(
            color: Color(0xFF006ff6),
            borderRadius: BorderRadius.circular(50.0),
          ),
          width: 20.0,
          height: 4.0,
        ),
      ],
    ),
  ],
),

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flutter3封装预订酒店模块

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这一板块单独抽离为一个组件。

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使用 scrollable_positioned_list 组件滑动字母索引滚动到指定位置。

ItemScrollController itemScrollController = ItemScrollController();

ScrollablePositionedList.builder(
  itemScrollController: itemScrollController,
  itemCount: citylist.length,
  itemBuilder: (context, index) {
    // ...
  }
)

// 侧边索引
Align(
  alignment: Alignment.centerRight,
  child: GestureDetector(
    child: Container(
      color: Colors.transparent,
      width: 25.0,
      child: Column(
        mainAxisSize: MainAxisSize.min,
        mainAxisAlignment: MainAxisAlignment.center,
        children: List.generate(pinyinList.length, (index) {
          return GestureDetector(
            child: Container(
              ...
            ),
            onTapDown: (details) {
              // 跳转指定索引位置
              itemScrollController.jumpTo(index: index);
              setState(() {
                selectedLetter = pinyinList[index];
                showBubble = true;
              });
              Future.delayed(Duration(milliseconds: 200), () {
                setState(() {
                  selectedLetter = '';
                  showBubble = false;
                });
              });
            },
          );
        }),
      ),
    ),
    onVerticalDragUpdate: (details) {
      updateSelectedLetter(details.localPosition);
    },
    onVerticalDragEnd: (details) {
      setState(() {
        selectedLetter = '';
        showBubble = false;
      });
    },
  ),
),

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使用 syncfusion_flutter_datepicker 作为日期区间选择插件。

// 入住日期
DateTime startDate = DateTime.now();
// 离店日期
DateTime endDate = DateTime.now().add(Duration(days: 1));

GestureDetector(
  child: Container(
    padding: EdgeInsets.all(10.0),
    decoration: BoxDecoration(
      border: Border(bottom: BorderSide(color: Color(0xfff5f5f5))),
    ),
    child: Row(
      spacing: 10.0,
      children: [
        Icon(Icons.calendar_month_outlined),
        Expanded(
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                spacing: 3.0,
                children: [
                  Text('入住', style: TextStyle(color: Colors.grey, fontSize: 12.0)),
                  Text('${DateFormat('MM-dd').format(startDate)} ${DateFormat('E', 'zh_CN').format(startDate)}'),
                ],
              ),
              Container(
                color: Colors.grey[50],
                padding: EdgeInsets.symmetric(horizontal: 5.0, vertical: 1.0),
                // DateTime 类提供了 difference 方法，可以计算两个日期之间的时间差，返回一个 Duration 对象。通过 Duration 的 inDays 属性，可以获取天数差。
                child: Text('共${endDate.difference(startDate).inDays}晚'),
              ),
              Column(
                crossAxisAlignment: CrossAxisAlignment.end,
                spacing: 3.0,
                children: [
                  Text('离店', style: TextStyle(color: Colors.grey, fontSize: 12.0)),
                  Text('${DateFormat('MM-dd').format(endDate)} ${DateFormat('E', 'zh_CN').format(endDate)}'),
                ],
              ),
            ],
          ),
        ),
        Icon(Icons.arrow_forward_ios_rounded, color: Colors.grey, size: 12.0,)
      ],
    ),
  ),
  onTap: () {
    handleCalendar();
  },
),

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void handleCalendar() {
  showModalBottomSheet(
    backgroundColor: Colors.white,
    shape: RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(0.0))),
    context: context,
    builder: (BuildContext context) {
      return Column(
        children: [
          Expanded(
            child: SfDateRangePicker(
              selectionMode: DateRangePickerSelectionMode.range,
              selectionShape: DateRangePickerSelectionShape.rectangle,
              // 初始日期范围
              initialSelectedRange: PickerDateRange(startDate, endDate),
              minDate: DateTime.now(),
              maxDate: DateTime.now().add(Duration(days: 450)),
              backgroundColor: Colors.white,
              // 日期区间颜色
              startRangeSelectionColor: Color(0xFF006ff6),
              endRangeSelectionColor: Color(0xFF006ff6),
              rangeSelectionColor: Color(0xFFe3f0f9),
              // 选中颜色
              selectionColor: Color(0xFF006ff6),
              rangeTextStyle: TextStyle(color: Color(0xFF006ff6)),
              monthViewSettings: DateRangePickerMonthViewSettings(
                // 改变一周的第一天
                firstDayOfWeek: 1,
                viewHeaderStyle: DateRangePickerViewHeaderStyle(
                  textStyle: TextStyle(color: Color(0xFF130438), fontSize: 12, fontFamily: 'Arial'),
                ),
                dayFormat: 'EE',
              ),
              // 自定义头部样式
              headerStyle: DateRangePickerHeaderStyle(
                backgroundColor: Colors.white,
                textAlign: TextAlign.center
              ),
              // 日期单元格样式
              monthCellStyle: DateRangePickerMonthCellStyle(
                cellDecoration: BoxDecoration(
                  // color: Color(0xFFf7f4ff),
                ),
                todayTextStyle: TextStyle(color: Color(0xFF006ff6)),
                disabledDatesTextStyle: TextStyle(color: Colors.black26),
                weekendTextStyle: TextStyle(color: Colors.red.withAlpha(200)),
              ),
              // showTodayButton: true,
              // showActionButtons: true,
              onSelectionChanged: (DateRangePickerSelectionChangedArgs args) {
                setState(() {
                  if(args.value.startDate != null && args.value.endDate != null) {
                    startDate = args.value.startDate;
                    endDate = args.value.endDate;
                    Future.delayed(Duration(seconds: 1), () {
                      Get.back();
                    });
                  }
                });
              },
            ),
          ),
        ],
      );
    },
  );
}

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flutter3自定义酒店筛选列表

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使用 SizeTransition 和 FadeTransition 组件实现下拉动画效果。

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// 筛选下拉框
if(dropdownVisible)
Positioned(
  top: dropdownOffset,
  height: MediaQuery.of(context).size.height - dropdownOffset,
  width: MediaQuery.of(context).size.width,
  child: ScrollConfiguration(
    behavior: CustomScrollBehavior(),
    child: Material(
      color: Colors.transparent,
      child: Column(
        children: [
          SizeTransition(
            sizeFactor: animation, // 高度展开动画
            axis: Axis.vertical, // 垂直方向展开
            child: Container(
              color: Colors.white,
              width: double.infinity,
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  if(dropdownIndex == 0)
                  dropOption1(),
                  if(dropdownIndex == 1)
                  dropOption2(),
                  if(dropdownIndex == 2)
                  dropOption3(),
                  if(dropdownIndex == 3)
                  dropOption4(),
                ],
              ),
            ),
          ),
          Expanded(
            child: FadeTransition(
              opacity: animation,
              child: GestureDetector(
                child: Container(
                  color: Colors.black54,
                ),
                onTap: () {
                  setState(() {
                    closeDropdown();
                  });
                },
              ),
            ),
          ),
        ],
      ),
    ),
  ),
),

flutter3聊天客服

项目中还是加入了聊天客服消息模块。

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这部分功能是之前开发的一款flutter3.x仿微信app聊天功能的精简版。

基于Flutter3.x+Dart3+Matetial3聊天App应用

整个项目涉及到的知识还是有些多的，希望以上分享对大家有所帮助哈~ 开发不易，感谢小伙伴们的阅读与支持！

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