Flutter日期时间选择器插件pikadart的使用

概述

PikaDart 是一个用于 Flutter 的日期时间选择器插件。它提供了一个方便的方式来选择日期和时间，并且可以自定义样式。

特性

• 日期时间选择器集成：通过 Flutter 轻松地选择日期和时间。
• 自动缓存：提高响应速度并优化性能。
• 易于使用：简单的 API 使得获取日期和时间变得非常简单。

安装

要在您的 Flutter 项目中使用此插件，请将以下内容添加到 pubspec.yaml 文件中：

dependencies:
  pikadart: ^1.0.0

然后运行 flutter pub get 来安装该插件。

示例

获取选定日期和时间

import 'package:flutter/material.dart';
import 'package:pikadart/pikadart.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('PikaDart 示例'),
        ),
        body: Center(
          child: DatePickerWidget(),
        ),
      ),
    );
  }
}

class DatePickerWidget extends StatefulWidget {
  @override
  _DatePickerWidgetState createState() => _DatePickerWidgetState();
}

class _DatePickerWidgetState extends State<DatePickerWidget> {
  DateTime _selectedDate;

  void _showDatePicker() async {
    final selectedDate = await showDatePicker(
      context: context,
      initialDate: DateTime.now(),
      firstDate: DateTime(2000),
      lastDate: DateTime(2100),
    );

    if (selectedDate != null) {
      setState(() {
        _selectedDate = selectedDate;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        ElevatedButton(
          onPressed: _showDatePicker,
          child: Text('选择日期'),
        ),
        SizedBox(height: 20),
        if (_selectedDate != null)
          Text(
            '选择的日期是: ${_selectedDate.toLocal()}'.replaceAll(RegExp(r'T'), ' '),
            style: TextStyle(fontSize: 18),
          ),
      ],
    );
  }
}

获取选定时间和日期

import 'package:flutter/material.dart';
import 'package:pikadart/pikadart.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('PikaDart 示例'),
        ),
        body: Center(
          child: DateTimePickerWidget(),
        ),
      ),
    );
  }
}

class DateTimePickerWidget extends StatefulWidget {
  @override
  _DateTimePickerWidgetState createState() => _DateTimePickerWidgetState();
}

class _DateTimePickerWidgetState extends State<DateTimePickerWidget> {
  DateTime _selectedDateTime;

  void _showDateTimePicker() async {
    final selectedDateTime = await showDatePicker(
      context: context,
      initialDate: DateTime.now(),
      firstDate: DateTime(2000),
      lastDate: DateTime(2100),
    );

    if (selectedDateTime != null) {
      final timeOfDay = await showTimePicker(
        context: context,
        initialTime: TimeOfDay.now(),
      );

      if (timeOfDay != null) {
        setState(() {
          _selectedDateTime = DateTime(
            selectedDateTime.year,
            selectedDateTime.month,
            selectedDateTime.day,
            timeOfDay.hour,
            timeOfDay.minute,
          );
        });
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        ElevatedButton(
          onPressed: _showDateTimePicker,
          child: Text('选择日期和时间'),
        ),
        SizedBox(height: 20),
        if (_selectedDateTime != null)
          Text(
            '选择的日期和时间是: ${_selectedDateTime.toLocal()}'.replaceAll(RegExp(r'T'), ' '),
            style: TextStyle(fontSize: 18),
          ),
      ],
    );
  }
}

下一步

• 添加测试
• 更灵活的缓存机制
• 更多文档