import 'package:flutter/material.dart'; /** * 顶部的固定的周显示 */ abstract class BaseWeekBar extends StatelessWidget { const BaseWeekBar({Key key}) : super(key: key); @override Widget build(BuildContext context) { return Container( child: new Row( children: getWeekDayWidget(), ), ); } Widget getWeekBarItem(int index); List getWeekDayWidget() { return List.generate(7, (index) { return getChild(index); }); } Widget getChild(int index) { return new Expanded( child: getWeekBarItem(index), ); } }