1 需求

点击按钮，打开百度链接

 

 

 

 

 

 

 

2 代码实现

import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';void main() {runApp(MyApp1());
}class MyApp1 extends StatelessWidget {@overrideWidget build(BuildContext context) {return MaterialApp(title: 'open url',home: Scaffold(appBar: AppBar(// Here we take the value from the MyHomePage object that was created by// the App.build method, and use it to set our appbar title.title: Text('hello flutter'),),body: Center(child: RaisedButton(onPressed: () {const url = 'https://www.baidu.com';launch(url);},child: Text('open baidu'),),),),);}
}

 

 

 

 

 

 

 

 

3 运行效果