flutter - 如何在 flutter 中更改编辑日期格式(日期选择器)

Question

在当前日期选择器ui中，日期格式为MM/DD/YYYY .我要改成DD/MM/YYYY .请指导。

showDatePicker(
initialDatePickerMode: DatePickerMode.day,
helpText: ' ',
currentDate: DateTime.now(),
context: context,
initialDate: selectedDate,
firstDate: DateTime(1960, 1, 1),
lastDate: DateTime(2200, 12, 31),
builder: (BuildContext context, Widget child) {
  return Theme(
    data: ThemeData(
        primarySwatch: createMaterialColor(const Color(0xFF1CA357))),
    child: child,
  );
},

);

Answer 1

尝试使用它(例如，对于 de 语言环境):
在 pubspec.yaml 中添加国际化处理和支持:

dependencies:
  flutter:
    sdk: flutter
  flutter_localizations:
    sdk: flutter   

在顶层控件 MaterialApp 中添加国际化支持:

MaterialApp(
  localizationsDelegates: [
    GlobalMaterialLocalizations.delegate,
    GlobalWidgetsLocalizations.delegate,
  ],
  supportedLocales: [
    Locale('de', 'DE'),
    Locale('en', 'US'),
  ],
  locale: Locale('de'),
  ...
)

然后设置showDatePicker的`locale参数如下:

final date = await showDatePicker(locale: Locale('de'));