之后:npm i firebase
我从 firebase 本身导入 firebase,而不是从文件导入
从“firebase”导入 firebase; >在 firebase.js 文件中<
终端中出现错误>> ./src/firebase.js 找不到模块:无法解析“C:\Users\Home\Documents\dsn\e\Documents.......”中的“firebase”
我正在尝试从我的应用程序目录本身获取数据(mp3)并显示在即路径中ListView():/storage/emulated/0/Android/data/com.example.MyApp/files
为此,我使用 getExternalStorageDirectory() 将文件保存在那里,但我使用下面的代码得到的只是通知声音。我只需要来自上述路径的数据。引导我
import 'dart:io';
import 'package:cast/utilities/bottom_sheet_widget.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
class MyAudioList extends StatefulWidget {
@override
State<StatefulWidget> createState() {
return _MyAudioList(); //create state
}
}
class _MyAudioList extends State<MyAudioList> {
var files;
List? allSongs;
void getFiles() async {
//asyn function to get list of files
Directory dir =
Directory('/storage/emulated/0/Android/data/com.example.cast/files');
String mp3Path = dir.toString();
print(mp3Path);
List<FileSystemEntity> _files;
List<FileSystemEntity> _songs = [];
_files = dir.listSync(recursive: true, followLinks: false);
for (FileSystemEntity entity in _files) {
String path = …Run Code Online (Sandbox Code Playgroud) 如何将以下 ISO8601 格式转换为月份和日期。
2022-08-29T10:33:49.283Z
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Run Code Online (Sandbox Code Playgroud) 我的store.js:
import { configureStore } from "@reduxjs/toolkit";
import userReducer from "../features/userSlice";
export default configureStore({
reducer: {
user: userReducer,
},
});
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我应该导入什么index.js?
表明:Attempted import error: 'configureStore' is not exported from './app/store'
import React from "react";
import ReactDOM from "react-dom";
import "./index.css";
import App from "./App";
import { configureStore } from "./app/store";
import { Provider } from "react-redux";
ReactDOM.render(
<React.StrictMode>
Provider configureStore={configureStore}>
<App/>
</Provider>
</React.StrictMode>,
document.getElementById("root")
);
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