1. 在create-react-app中,除了内置的环境变量,如NODE_ENV、PUBLIC_URL外,其余环境变量需要用REACT_APP_作为前缀 2. 在定义了环境变量后,需要重新build才能生效 3. js中访问环境变量,加前缀process.env. REACT_APP_SECRET_CODE ->process.env.REACT_APP_SECRET_CODE 4. 在
importReact, {Component}from'react';classButtonextendsComponent{render() {// ...} }exportdefaultButton;// Don’t forget to use export default! DangerButton.js importReact, {Component}from'react';importButtonfrom'./Button';// Import a component from another fileclassDangerButtonextendsComponent{r...
我使用 react-router-dom 并构建了我的 react-app。当我在服务器上部署它时,我得到一个空白页面,控制台是空的。 我的App.js 是: import React, { Component } from 'react'; import { Route, Switch, BrowserRouter} from 'react-router-dom'; import Agenda from './components/Agenda/Agenda'; import ...
npm install --save react-router Alternatively you may use yarn: yarn add react-router This works for any library, not just react-router. Importing a Component This project setup supports ES6 modules thanks to Babel. While you can still use require() and module.exports, we encourage you to ...
export class BarChart extends Component { constructor() { super(); export const BarChart: React.FC<{ readonly data: number[]; }> = ({data}) => { const barChartRef = useRef<SVGSVGElement>(null); const barChartWrapperRef = useRef<HTMLDivElement>(null);...
\n "react-lazy-load-image-component": "^1.5.1",\n "react-loading-skeleton": "^3.0.1",\n "react-prerendered-component": "^1.2.4",\n "regenerator-runtime": "0.13.7",\n "stream-browserify": "^3.0.0",\n "styled-components": "^5.3.3",\n "suneditor": "^2.41.3",\n "su...
component:custom.widget.Featured_Resources-en-us-1749166086989":{"__typename":"CachedAsset","id":"component:custom.widget.Featured_Resources-en-us-1749166086989","value":{"component":{"id":"custom.widget.Featured_Resources","template":{"id":"Featured_Resources","markupLanguage":"REACT","style...
npm install --save react-router Alternatively you may use yarn: yarn add react-router This works for any library, not just react-router. Importing a Component This project setup supports ES6 modules thanks to Babel. While you can still use require() and module.exports, we encourage you to ...
create-react-app已经内置了配置好了的webpack,可以将css当作js资源一样引入到js文件中。 Button.css .Button{color:red;} Button.js importReact, { Component } from'react';import'./Button.css';// 引入css资源classButtonextendsComponent{ render() {// 使用return; } } 在开发环境中,修改css...
You may install other dependencies (for example, React Router) with npm: npm install --save react-router Alternatively you may use yarn: yarn add react-router This works for any library, not just react-router. Importing a Component This project setup supports ES6 modules thanks to Babel. ...