Flutter英越词典插件en_vi_dic的使用

英语 - 越南语字典包

支持功能：

• ✅ 国际音标（IPA）
• ✅ 词性（名词、动词等）
• ✅ 示例用法

if (!EnViDic().hasInit) {
  await EnViDic().init();
}
final vocabulary = EnViDic().lookUp('hello');
final suggests = EnViDic().suggest('he');

完整示例代码

import 'dart:async';
import 'package:en_vi_dic/en_vi_dic.dart';
import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  [@override](/user/override)
  Widget build(BuildContext context) {
    return MaterialApp(
      title: '翻译示例',
      home: HomePage(),
    );
  }
}

class HomePage extends StatefulWidget {
  [@override](/user/override)
  _HomePageState createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  TextEditingController _controller = TextEditingController();
  StreamController<Vocabulary?> _streamController = StreamController<Vocabulary?>.broadcast();

  [@override](/user/override)
  void initState() {
    super.initState();
  }

  [@override](/user/override)
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(),
      body: SingleChildScrollView(
        child: Column(
          children: [
            TextField(
              controller: _controller,
            ),
            ElevatedButton(
              child: Text('翻译'),
              onPressed: () async {
                // 初始化插件
                if (!EnViDic().hasInit) {
                  await EnViDic().init();
                }
                // 查找单词
                final vocabulary = EnViDic().lookUp(_controller.text);
                // 将结果添加到流控制器中
                _streamController.add(vocabulary);
              },
            ),
            // 使用StreamBuilder来监听并展示数据
            StreamBuilder(
              stream: _streamController.stream,
              builder: (context, data) {
                // 如果没有错误且有数据，则解析并展示
                if (!data.hasError && data.hasData) {
                  final Vocabulary? vocabulary = data.data as Vocabulary;
                  // 如果单词为空则返回空文本
                  if (vocabulary == null) return Text('');
                  // 展示单词的国际音标、词性和示例
                  return Column(
                    mainAxisAlignment: MainAxisAlignment.start,
                    mainAxisSize: MainAxisSize.min,
                    children: [
                      Text('${vocabulary.ipa}\n'),
                      ...vocabulary.details
                          .map((detail) => Column(
                                mainAxisAlignment: MainAxisAlignment.center,
                                children: [
                                  Text(
                                    '词性: ${detail.pos}',
                                    textAlign: TextAlign.center,
                                  ),
                                  ...detail.means
                                      .map((mean) => Text(
                                          '越南语: ${mean.mean}\n 示例: ${mean.example}\n\n',
                                          textAlign: TextAlign.center))
                                      .toList(),
                                  Divider()
                                ],
                              ))
                          .toList()
                    ],
                  );
                }
                // 没有数据时返回空容器
                return Container();
              },
            )
          ],
        ),
      ),
    );
  }

  [@override](/user/override)
  void dispose() {
    super.dispose();
    _streamController.close();
  }
}