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feat: multiple optimization refactoring
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:tools/utils/date/date_picker.dart'; | ||
|
|
||
| class DateDifference extends StatefulWidget { | ||
| const DateDifference({super.key}); | ||
|
|
||
| @override | ||
| State<DateDifference> createState() => _DateDifferenceState(); | ||
| } | ||
|
|
||
| class _DateDifferenceState extends State<DateDifference> { | ||
| DateTime firstDay = DateTime.now(); | ||
| DateTime secondDay = DateTime.now(); | ||
|
|
||
| Widget _buildDateInput( | ||
| {required BuildContext context, | ||
| required String title, | ||
| required DateTime date, | ||
| required Function() onTap}) { | ||
| return Wrap( | ||
| crossAxisAlignment: WrapCrossAlignment.center, | ||
| children: [ | ||
| Text( | ||
| title, | ||
| style: TextStyle( | ||
| fontWeight: FontWeight.bold, | ||
| color: Theme.of(context).textTheme.bodyMedium!.color), | ||
| ), | ||
| InkWell( | ||
| onTap: onTap, | ||
| child: Container( | ||
| padding: const EdgeInsets.all(10), | ||
| margin: const EdgeInsets.symmetric(horizontal: 10), | ||
| decoration: BoxDecoration( | ||
| border: Border.all( | ||
| color: Theme.of(context).dividerColor, | ||
| ), | ||
| borderRadius: BorderRadius.circular(5), | ||
| ), | ||
| child: Text( | ||
| formatDate(date), | ||
| ), | ||
| ), | ||
| ), | ||
| ], | ||
| ); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Card( | ||
| elevation: 5, | ||
| child: Container( | ||
| width: MediaQuery.of(context).size.width * 0.9, | ||
| padding: const EdgeInsets.all(16), | ||
| child: Column( | ||
| children: [ | ||
| const Text( | ||
| "计算日期差", | ||
| style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold), | ||
| ), | ||
| Padding( | ||
| padding: const EdgeInsets.symmetric(vertical: 20), | ||
| child: _buildDateInput( | ||
| context: context, | ||
| title: "第一个日期: ", | ||
| date: firstDay, | ||
| onTap: () async { | ||
| final selectDate = | ||
| await openDatePicker(context, initialDate: firstDay); | ||
| if (selectDate != null) { | ||
| firstDay = selectDate; | ||
| setState(() {}); | ||
| } | ||
| }), | ||
| ), | ||
| Padding( | ||
| padding: const EdgeInsets.symmetric(vertical: 20), | ||
| child: _buildDateInput( | ||
| context: context, | ||
| title: "第二个日期: ", | ||
| date: secondDay, | ||
| onTap: () async { | ||
| final selectDate = | ||
| await openDatePicker(context, initialDate: secondDay); | ||
| if (selectDate != null) { | ||
| secondDay = selectDate; | ||
| setState(() {}); | ||
| } | ||
| }), | ||
| ), | ||
| Padding( | ||
| padding: const EdgeInsets.symmetric(vertical: 10), | ||
| child: Text( | ||
| "相差 ${firstDay.difference(secondDay).inDays.abs()} 天", | ||
| style: | ||
| const TextStyle(fontWeight: FontWeight.bold, fontSize: 24), | ||
| ), | ||
| ) | ||
| ], | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter/services.dart'; | ||
| import 'package:tools/utils/date/date_picker.dart'; | ||
|
|
||
| class DateOffset extends StatefulWidget { | ||
| const DateOffset({super.key}); | ||
|
|
||
| @override | ||
| State<DateOffset> createState() => _DateOffsetState(); | ||
| } | ||
|
|
||
| class _DateOffsetState extends State<DateOffset> { | ||
| /// 计算几天后的日期 | ||
| DateTime _date = DateTime.now(); | ||
|
|
||
| /// 计算几天后的日期 | ||
| int offsetDays = 0; | ||
|
|
||
| /// x天后的日期 | ||
| String get _afterDaysDate { | ||
| try { | ||
| DateTime newDate = _date.add(Duration(days: offsetDays)); | ||
| return formatDate(newDate); | ||
| } catch (e) { | ||
| return "日期计算错误"; | ||
| } | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Card( | ||
| elevation: 5, | ||
| child: Container( | ||
| width: MediaQuery.of(context).size.width * 0.9, | ||
| padding: const EdgeInsets.all(16), | ||
| child: Column( | ||
| children: [ | ||
| const Text( | ||
| "计算日期偏移", | ||
| style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold), | ||
| ), | ||
| Padding( | ||
| padding: const EdgeInsets.symmetric(vertical: 20), | ||
| child: Wrap( | ||
| crossAxisAlignment: WrapCrossAlignment.center, | ||
| children: [ | ||
| Text( | ||
| "当前日期:", | ||
| style: TextStyle( | ||
| fontWeight: FontWeight.bold, | ||
| color: Theme.of(context).textTheme.bodyMedium!.color), | ||
| ), | ||
| InkWell( | ||
| onTap: () async { | ||
| DateTime? selectDate = | ||
| await openDatePicker(context, initialDate: _date); | ||
| if (selectDate != null) { | ||
| _date = selectDate; | ||
| setState(() {}); | ||
| } | ||
| }, | ||
| child: Container( | ||
| padding: const EdgeInsets.all(10), | ||
| margin: const EdgeInsets.symmetric(horizontal: 10), | ||
| decoration: BoxDecoration( | ||
| border: Border.all( | ||
| color: Theme.of(context).dividerColor, | ||
| ), | ||
| borderRadius: BorderRadius.circular(5), | ||
| ), | ||
| child: Text( | ||
| formatDate(_date), | ||
| style: const TextStyle(fontSize: 16), | ||
| ), | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| Wrap( | ||
| crossAxisAlignment: WrapCrossAlignment.center, | ||
| children: [ | ||
| const Text( | ||
| "相差: ", | ||
| style: TextStyle(fontWeight: FontWeight.bold), | ||
| ), | ||
| Padding( | ||
| padding: | ||
| const EdgeInsets.symmetric(horizontal: 10, vertical: 5), | ||
| child: SizedBox( | ||
| width: 100, | ||
| child: TextField( | ||
| keyboardType: TextInputType.number, | ||
| inputFormatters: [ | ||
| FilteringTextInputFormatter.allow( | ||
| RegExp(r"^-?[0-9]*$")), | ||
| ], | ||
| textAlign: TextAlign.center, | ||
| style: const TextStyle(fontWeight: FontWeight.bold), | ||
| onChanged: (String value) { | ||
| offsetDays = int.tryParse(value) ?? 0; | ||
| setState(() {}); | ||
| }, | ||
| decoration: const InputDecoration( | ||
| border: OutlineInputBorder(), | ||
| contentPadding: EdgeInsets.symmetric(vertical: 8), | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| const Text( | ||
| "天", | ||
| style: TextStyle(fontWeight: FontWeight.bold), | ||
| ), | ||
| ], | ||
| ), | ||
| Text( | ||
| "*输入负数表示之前的日期", | ||
| style: TextStyle( | ||
| color: Colors.grey[600], fontStyle: FontStyle.italic), | ||
| ), | ||
| if (offsetDays != 0) | ||
| Padding( | ||
| padding: const EdgeInsets.symmetric(vertical: 20), | ||
| child: Text( | ||
| "${offsetDays.abs()}天${offsetDays.isNegative ? "前" : "后"}的日期是: $_afterDaysDate", | ||
| style: const TextStyle(fontSize: 18), | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } |
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