Flutter时间选择插件time_slot的使用
Flutter时间选择插件time_slot的使用
time_slot
是一个新的 Flutter 插件,用于创建具有给定时间间隔或日期时间列表的时间段,并获取时间的时段名称。该插件支持阿拉伯语(ar)和英语(en)的本地化。
安装
-
在你的
pubspec.yaml
文件中添加以下依赖:dependencies: time_slot: any
-
使用你的 IDE 的 GUI 或命令行运行以下命令来获取包:
$ pub get
-
在你的应用中导入
time_slot.dart
文件:import 'package:time_slot/time_slot.dart';
功能
- 创建具有给定时间间隔的时间段
- 创建具有给定日期时间列表的时间段
- 获取时间的时段名称
- 支持多选
- 支持不同的显示选项
使用
DayPartController
DayPartController
用于获取时间的时段名称。
DayPartController dayPartController = DayPartController();
获取时间的时段
DayParts dayPart = dayPartController.getDayPartOfTime(
time: DateTime(2023, 1, 1, 10, 30),
); // DayParts.morning
获取时段名称
String dayPartName = dayPartController.getDayPartName(dayPart: dayPart);
// morning
TimesSlotGridViewFromInterval
用于从给定的时间间隔构建时间段网格视图。例如,从上午 10:00 到晚上 10:00 每小时一个时间段。
TimesSlotGridViewFromInterval(
locale: "en",
initTime: selectTime,
crossAxisCount: 4,
timeSlotInterval: const TimeSlotInterval(
start: TimeOfDay(hour: 10, minute: 00),
end: TimeOfDay(hour: 22, minute: 0),
interval: Duration(hours: 1, minutes: 0),
),
onChange: (value) {
setState(() {
selectTime = value;
});
},
)
支持阿拉伯语:
TimesSlotGridViewFromInterval(
locale: "ar",
initTime: selectTime,
crossAxisCount: 4,
timeSlotInterval: const TimeSlotInterval(
start: TimeOfDay(hour: 10, minute: 00),
end: TimeOfDay(hour: 22, minute: 0),
interval: Duration(hours: 1, minutes: 0),
),
onChange: (value) {
setState(() {
selectTime = value;
});
},
)
TimesSlotGridViewFromList
用于从给定的日期时间列表构建时间段网格视图。
TimesSlotGridViewFromList(
locale: "en",
initTime: selectTime,
crossAxisCount: 4,
listDates: [
DateTime(2023, 1, 1, 10, 30),
DateTime(2023, 1, 1, 11, 30),
DateTime(2023, 1, 1, 12, 30),
DateTime(2023, 1, 1, 13, 30),
DateTime(2023, 1, 1, 14, 30),
DateTime(2023, 1, 1, 15, 30)
],
onChange: (value) {
setState(() {
selectTime = value;
});
},
)
支持阿拉伯语:
TimesSlotGridViewFromList(
locale: "ar",
initTime: selectTime,
crossAxisCount: 4,
listDates: [
DateTime(2023, 1, 1, 10, 30),
DateTime(2023, 1, 1, 11, 30),
DateTime(2023, 1, 1, 12, 30),
DateTime(2023, 1, 1, 13, 30),
DateTime(2023, 1, 1, 14, 30),
DateTime(2023, 1, 1, 15, 30)
],
onChange: (value) {
setState(() {
selectTime = value;
});
},
)
示例代码
以下是一个完整的示例代码,展示了如何在 Flutter 应用中使用 time_slot
插件:
import 'package:flutter/material.dart';
import 'package:intl/date_symbol_data_local.dart';
import 'package:intl/intl.dart';
import 'package:time_slot/time_slot.dart';
void main() {
WidgetsFlutterBinding.ensureInitialized();
initializeDateFormatting('ar', '').then((value) => null);
initializeDateFormatting('en', '').then((value) => null);
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Time Slot Package'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
List<DateTime> selectTime = [];
DayPartController dayPartController = DayPartController();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(20),
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ListTile(
title: const Text("DayPart of Time"),
subtitle: Text(
DateFormat.jm().format(
DateTime(2023, 1, 1, 10, 30),
),
),
trailing: Text(dayPartController.getDayPartName(
dayPart: dayPartController.getDayPartOfTime(
time: DateTime(2023, 1, 1, 10, 30),
)!,
)),
),
ListTile(
title: const Text("DayPart of Time"),
subtitle: Text(
DateFormat.jm().format(
DateTime(2023, 1, 1, 13, 30),
),
),
trailing: Text(
dayPartController.getDayPartName(
dayPart: dayPartController.getDayPartOfTime(
time: DateTime(2023, 1, 1, 13, 30),
)!,
),
),
),
ListTile(
title: const Text("DayPart of Time"),
subtitle: Text(
DateFormat.jm().format(
DateTime(2023, 1, 1, 18, 30),
),
),
trailing: Text(
dayPartController.getDayPartName(
dayPart: dayPartController.getDayPartOfTime(
time: DateTime(2023, 1, 1, 18, 30),
)!,
),
),
),
ListTile(
title: const Text("DayPart of Time"),
subtitle: Text(
DateFormat.jm().format(
DateTime(2023, 1, 1, 23, 30),
),
),
trailing: Text(
dayPartController.getDayPartName(
dayPart: dayPartController.getDayPartOfTime(
time: DateTime(2023, 1, 1, 23, 30),
)!,
),
),
),
const Divider(),
const Text(
"times slot from interval (10:00 AM to 10:00 PM) every hour"),
const Divider(),
const Text("-------------- EN --------------"),
TimesSlotGridViewFromInterval(
locale: "en",
initTime: selectTime,
crossAxisCount: 4,
multiSelection: true,
mainAxisSpacing: 10,
borderRadius: BorderRadius.circular(12),
timeSlotInterval: const TimeSlotInterval(
start: TimeOfDay(hour: 10, minute: 00),
end: TimeOfDay(hour: 22, minute: 0),
interval: Duration(hours: 1, minutes: 0),
),
displayType: DisplayType.groupingWitoutDisplayDayPart,
disabledTimeSlots: [
DateTime(DateTime.now().year, DateTime.now().month,
DateTime.now().day, 14)
],
onChange: (value) {
setState(() {
selectTime = value;
});
},
),
const Text("-------------- AR --------------"),
TimesSlotGridViewFromInterval(
locale: "ar",
initTime: selectTime,
crossAxisCount: 4,
timeSlotInterval: const TimeSlotInterval(
start: TimeOfDay(hour: 10, minute: 00),
end: TimeOfDay(hour: 22, minute: 0),
interval: Duration(hours: 1, minutes: 0),
),
onChange: (value) {
setState(() {
selectTime = value;
});
},
),
const Divider(),
const Text("times slot from list"),
const Divider(),
const Text("-------------- EN --------------"),
TimesSlotGridViewFromList(
locale: "en",
initTime: selectTime,
crossAxisCount: 4,
listDates: [
DateTime(2023, 1, 1, 10, 30),
DateTime(2023, 1, 1, 11, 30),
DateTime(2023, 1, 1, 12, 30),
DateTime(2023, 1, 1, 13, 30),
DateTime(2023, 1, 1, 14, 30),
DateTime(2023, 1, 1, 15, 30)
],
onChange: (value) {
setState(() {
selectTime = value;
});
},
),
const Text("-------------- AR --------------"),
TimesSlotGridViewFromList(
locale: "ar",
initTime: selectTime,
crossAxisCount: 4,
listDates: [
DateTime(2023, 1, 1, 10, 30),
DateTime(2023, 1, 1, 11, 30),
DateTime(2023, 1, 1, 12, 30),
DateTime(2023, 1, 1, 13, 30),
DateTime(2023, 1, 1, 14, 30),
DateTime(2023, 1, 1, 15, 30)
],
onChange: (value) {
setState(() {
selectTime = value;
});
},
)
],
),
),
),
);
}
}
通过以上代码,你可以看到如何使用 time_slot
插件来创建时间段选择器,并获取时间的时段名称。希望这些信息对你有帮助!
更多关于Flutter时间选择插件time_slot的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
更多关于Flutter时间选择插件time_slot的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
当然,关于Flutter中的time_slot
插件(假设这里指的是一个用于选择时间段的插件,尽管这不是Flutter官方库中的一个标准组件,但许多社区插件提供了类似功能),下面是一个基本的示例代码,展示如何使用一个假设的time_slot
插件来选择时间段。
首先,确保你的pubspec.yaml
文件中已经添加了该插件的依赖(注意,实际的插件名称可能会有所不同,这里假设为time_slot
):
dependencies:
flutter:
sdk: flutter
time_slot: ^x.y.z # 替换为实际的版本号
然后运行flutter pub get
来获取依赖。
接下来,在你的Flutter应用中,你可以这样使用time_slot
插件:
import 'package:flutter/material.dart';
import 'package:time_slot/time_slot.dart'; // 假设这是插件的导入路径
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Time Slot Picker Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: TimeSlotPickerScreen(),
);
}
}
class TimeSlotPickerScreen extends StatefulWidget {
@override
_TimeSlotPickerScreenState createState() => _TimeSlotPickerScreenState();
}
class _TimeSlotPickerScreenState extends State<TimeSlotPickerScreen> {
TimeSlot? selectedTimeSlot;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Time Slot Picker'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
selectedTimeSlot == null
? 'No time slot selected'
: 'Selected Time Slot: ${selectedTimeSlot!.startTime.toLocal()} - ${selectedTimeSlot!.endTime.toLocal()}',
style: TextStyle(fontSize: 20),
),
SizedBox(height: 20),
ElevatedButton(
onPressed: () {
// 打开时间选择对话框
showModalBottomSheet<void>(
context: context,
builder: (BuildContext context) {
return TimeSlotPicker(
initialTimeSlot: selectedTimeSlot,
onChanged: (TimeSlot? newTimeSlot) {
setState(() {
selectedTimeSlot = newTimeSlot;
});
},
onSubmit: (TimeSlot? confirmedTimeSlot) {
setState(() {
selectedTimeSlot = confirmedTimeSlot;
});
Navigator.of(context).pop();
},
);
},
);
},
child: Text('Select Time Slot'),
),
],
),
),
);
}
}
// 假设TimeSlot类如下(实际插件可能会有所不同)
class TimeSlot {
DateTime startTime;
DateTime endTime;
TimeSlot({required this.startTime, required this.endTime});
}
注意:
- 上述代码中的
TimeSlotPicker
和TimeSlot
类是基于假设的,实际插件可能提供不同的API和类。因此,你需要参考插件的官方文档来调整代码。 showModalBottomSheet
用于展示一个模态的底部表单,其中包含时间选择逻辑。在实际应用中,你可能需要自定义时间选择器的UI和行为。setState
用于更新UI状态,当选择的时间段改变时刷新界面。
确保查阅你使用的具体time_slot
插件的文档,因为不同的插件可能有不同的API和配置选项。上述代码提供了一个基本的框架,你可以根据需要进行调整和扩展。