我最近开始在 flutter web 上进行开发我创建了一个带有 bdd firebase 的项目,但是每次我将文件发送到服务器并在浏览器上启动该站点时,控制台中都会出现一条错误消息,显示我找不到它的位置来自,我很羡慕它,因为它让我感到压力 另一个异常被抛出:来自文件 js_primitives.dart 的 'minified:aq' 实例我把图片放在你下面。
获取原始源时出错:尝试获取资源时出现网络错误。源网址:org-dartlang-sdk:///sdk/lib/_internal/js_runtime/lib/js_primitives.dart
为了创建项目,我使用命令“flutter create...”来构建项目命令“flutter build web”
import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'package:firebase/firebase.dart' as fb;
import 'package:firebase/firestore.dart' as fs;
class FirebaseHelper {
bddCon() {
try {
if (fb.apps.isEmpty) {
fb.initializeApp(
apiKey: "AIzaSyDXH2wp7lP5xPA23iIJo3bqJOs5qHD9MMs",
authDomain: "test-c03a7.firebaseapp.com",
databaseURL: "https://test-c03a7.firebaseio.com",
projectId: "test-c03a7",
storageBucket: "test-c03a7.appspot.com",
messagingSenderId: "356936613410",
appId: "1:356936613410:web:464a1dcb25010b0f4cd47b",
measurementId: "G-J14GG7YZ45"
);
}
} on fb.FirebaseJsNotLoadedException catch (e) {
print(e);
}
return fb.firestore();
}
}
void main()
{
FirebaseHelper().bddCon();
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
static fs.Firestore store = fb.firestore();
fs.CollectionReference ref = store.collection("user");
var map = {'text': "okok", 'createdAt': DateTime.now()};
Future<FirebaseUser> _incrementCounter() async {
print("wsh");
await ref.add(map);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: Theme.of(context).textTheme.display1,
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: Icon(Icons.add),
),
);
}
}Run Code Online (Sandbox Code Playgroud)
要获得有关正在发生的事情的更多可读信息,请使用
flutter run -d chrome --profile --verbose
Run Code Online (Sandbox Code Playgroud)
最近几天,同样的错误发生在我身上好几次。我尝试了几个版本的 Flutter,有时奏效有时不奏效。昨天又发生了,不知道如何使它工作,直到我使用 --profile 来获取更多可读信息。就我而言,它是一个意外未初始化的静态方法触发了这个问题。似乎是 webdev 错误,仅在 web 版本构建中失败。
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