index.js
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
import './index.css';
import test from './Component/test';
ReactDOM.render(
,
document.getElementById('root')
);
正确的 app.js
import React, { Component } from 'react';
import logo from './logo.svg';
require('./App.css');
class App extends Component {
render() {
return (
Welcome to React
To get started, edit src/App.js and save to reload.
);
}
}
export default App;
错误的test.js
import React, { Component } from 'react';
import logo from '../logo.svg';
require('../App.css');
class App1 extends Component {
render() {
return (
Welcome to React
To get started, edit src/App.js and save to reload.
);
}
}
export default App1;
Copyright 2014-2026 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号
eslint 的警告而已,index.js 引入了 test 但没被使用。