然后在调用下面的API时调用其他文件中的API函数: FutureBuilder( future: apiCall(), builder: (context, snapshot) { if (snapshot.hasData) { if (snapshot.data.length > 0) { return Text( '${snapshot.data[0]['name']}' style: TextStyle( fontWeight: FontWeight.bold, wordSpacing: 200, fon...
('https://api.example.com/data')); if (response.statusCode == 200) { return response.body; } else { throw Exception('Failed to fetch data'); } } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('API Example'), ), body: Center( child:...
import 'dart:io'; Future<String> fetchData() async { var client = new HttpClient(); var request = new HttpRequest(); var uri = Uri.parse('https://api.example.com/data'); request.uri = uri; var response = await client.send(request); var responseBody = await response.stream.bytesTo...
import 'dart:io'; Future<String> fetchData() async { var client = new HttpClient(); var request = new HttpRequest(); var uri = Uri.parse('https://api.example.com/data'); request.uri = uri; var response = await client.send(request); var responseBody = await response.stream.bytesTo...
('Fetch Data Example'),),body:newCenter(child:newFutureBuilder<Post>(future:fetchPost(),builder:(context,snapshot){if(snapshot.hasData){returnnewText(snapshot.data.title);}elseif(snapshot.hasError){returnnewText("${snapshot.error}");}// By default, show a loading spinnerreturnnewCircular...
title:newText('Fetch Data Example'), ), body:newCenter( child:newFutureBuilder<Post>( future: fetchPost(), builder: (context, snapshot) {if(snapshot.hasData) {returnnewText(snapshot.data.title); }elseif(snapshot.hasError) {returnnewText("${snapshot.error}"); ...
1.实时数据库:Firebase Realtime Database是一个NoSQL云托管数据库,允许您跨客户端实时同步数据。它...
refreshToken = response.data['refreshToken']; // 重试原请求 final opts = error.requestOptions; opts.headers['Authorization'] = 'Bearer $accessToken'; final cloneReq = await dio.fetch(opts); return handler.resolve(cloneReq); } catch (e) { ...
Future<String> fetchData() async { // 模拟网络请求或其他耗时操作 await Future.delayed(Duration(seconds: 2)); return 'Hello, World!'; } 使用Stream: Stream是Dart中用于处理异步事件流的对象。你可以使用Stream来处理多个异步操作,例如: void main() { ...
Updated shouldOverrideUrlLoading implementation using the Chrome DevTools Protocol API Fetch.requestPaused event6.1.2Updated minimum platform implementation versions Windows PlatformImplemented pause, resume, getCertificate methods for InAppWebViewController Implemented onPermissionRequest WebView event Fixed InApp...