Flutter文本組件添加下劃線、刪除線

import 'package:flutter/material.dart';

void main(){
  runApp(
    MaterialApp(
      title:'Text Demo',
      home:ContainerDemo()
    ),
  );
}

class ContainerDemo extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('文本組件'),
      ),
      body: Column(
        children: <Widget>[
          Text(
            '紅色+黑色刪除線+25號',
            style: TextStyle(
              color: const Color(0xffff0000),
              decoration: TextDecoration.lineThrough,
              decorationColor: const Color(0xff000000),
              fontSize: 25.0,
            ),
          ),
          Text(
            '橙色+下劃線+24號',
            style: TextStyle(
              color: const Color(0xffff9900),
              decoration: TextDecoration.underline,
              fontSize: 24.0,
            ),
          ),
          Text(
            '虛線上劃線+23號+傾斜',
            style: TextStyle(
              decoration: TextDecoration.overline,
              decorationStyle: TextDecorationStyle.dashed,
              fontSize: 23.0,
              fontStyle: FontStyle.italic,
            ),
          ),
          Text(
            '24號+加粗',
            style: TextStyle(
              fontSize: 23.0,
              fontStyle: FontStyle.italic,
              fontWeight: FontWeight.bold,
              letterSpacing: 6.0,
            ),
          ),
        ],
      ),
    );
  }
}