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Flutter之使用外部包
1.打开pubspec.yaml,并添加english_words外部包依赖可以在 https://pub.dartlang.org/flutter/ 上找到english_words软件包以及其他许多开源软件包
dependencies:
flutter:
sdk: flutter
cupertino_icons: ^0.1.2
english_words: ^3.1.0
2.点击Packages get下载并导入english_words外部包依赖
3.在lib/main.dart中引入english_words
import 'package:flutter/material.dart';
import 'package:english_words/english_words.dart';
4.使用 english words 包生成文本来替换字符串“Hello World”
import 'package:flutter/material.dart';
import 'package:english_words/english_words.dart';
void main() => runApp(new MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
final wordPair = new WordPair.random();
return new MaterialApp(
title: 'Welecom to Flutter',
home: new Scaffold(
appBar: new AppBar(
title: new Text('Welecom to Flutter'),
),
body: new Center(
// child: new Text('Hello World'),
child: new Text(wordPair.asPascalCase),
),
),
);
}
}