（一）效果圖
（二）實作
修改pubspec.yaml檔案
匯入紅勾所示的檔案，提醒一下大家哈，這個檔案不能有多余的空格分號等或者格式不對等問題，否則都會導致下載依賴失敗
以下代碼復制進main.dart檔案即可運行
代碼：
import 'package:flutter/material.dart';
import 'package:date_format/date_format.dart';//導包
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: FormDemoPage()
);
}
}
class DatePickerDemo extends StatefulWidget {
DatePickerDemo({Key key}) : super(key: key);
@override
_DatePickerDemoState createState() => _DatePickerDemoState();
}
class _DatePickerDemoState extends State<DatePickerDemo> {
var now = DateTime.now();
@override
void initState() {
//TODO: implement initState
super.initState();
//print(now);//列印當前時間 2020-12-29 06:21:34.729165
//print(now.millisecondsSinceEpoch);//時間戳 1609222955510
//print(DateTime.fromMicrosecondsSinceEpoch(1608623002151));//時間戳轉換成時間 1970-01-19 14:50:23.002151
print(formatDate(DateTime(2020, 12, 29), [yyyy, '年', mm, '月', dd]));//列印時間 格式
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("datepicker"),
),
body: Text("日期組件"),
);
}
}
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