flutter Text组件

• main.dart 代码：

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Text widget',
      home: Scaffold(
        body: Center(
          child:Container(
            child: new Text('Hello World!',style:TextStyle(fontSize: 40.0,color: Colors.white)),
            alignment: Alignment.center,
            width: 500.0,
            height: 400.0,
            padding: const EdgeInsets.fromLTRB(10.0, 20.0, 0.0, 20.0),
            margin: const EdgeInsets.all(10.0),
            decoration: new BoxDecoration(
              gradient: const LinearGradient(
                colors: [Colors.lightBlueAccent,Colors.greenAccent,Colors.purple]
              ),
              border: Border.all(width: 1.0,color: Colors.pink) // 边框
            ),
          )
        )
      ),
    );
  }
}

效果：