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如何使用IIC外设(硬件IIC)

修炼之士 2024-09-22 阅读 5
flutter

一,导包

dependencies:
  flutter:
    sdk: flutter
  dio: ^4.0.6

二,请求、解析、刷新渲染

import 'dart:convert';

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';

main() {
  runApp(const MaterialApp(
    home: H(),
  ));
}

class H extends StatefulWidget {
  const H({super.key});

  @override
  State<H> createState() => _HState();
}

class _HState extends State<H> {
  String _resStr = "";

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: const Text("抓包测试"),
        ),
        body: Center(
          child: Text(
            _resStr,
            style: const TextStyle(fontSize: 30),
          ),
        ),
        floatingActionButton:
            FloatingActionButton(onPressed: _postRequestFunction));
  }

  void _postRequestFunction() async {
    Dio dio = Dio();
    FormData formData = FormData.fromMap({"sourceText": "Who are you?"});
    String url = "https://api.oioweb.cn/api/txt/QQFanyi";
    Response response = await dio.post(url, data: formData);
    setState(() {
      _resStr =
          json.decode(response.toString())["result"]["targetText"].toString();
    });
  }
}

三,效果

点击按钮,屏幕中心出现对应的翻译结果

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