yug*_*tah 11 javascript node.js react-bootstrap
我正在开始学习 React 并尝试从 React-bootstrap 创建一个 Jumbotron 元素。我很确定我已经安装了所有正确的模块npm install react-bootstrap bootstrap
,但我收到一个控制台错误,显示“尝试导入错误:'Jumbotron 未从'react-bootstrap'导出(导入为'Jumbo')”。我的代码如下:
import React from 'react';
import { Jumbotron as Jumbo, Container } from 'react-bootstrap';
import styled from 'styled-components';
import boatImage from '../assets/boatImage.jpg';
const Styles = styled.div `
.jumbo {
background: url(${boatImage}) no-repeat fixed bottom;
background-size: cover;
color: #efefef;
height: 200px;
position: relative;
z-index: -2;
}
.overlay {
background-color: #000;
opacity: 0.6;
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
z-index: -1;
}
`;
export const Jumbotron = () => (
<Styles>
<Jumbo fluid className="jumbo">
<div className="overlay"></div>
<Container>
<h1>My App</h1>
<p>Hello World</p>
</Container>
</Jumbo>
</Styles>
)
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这是我的 package.json:
{
"name": "landing-page",
"version": "0.1.0",
"private": true,
"dependencies": {
"@testing-library/jest-dom": "^5.14.1",
"@testing-library/react": "^11.2.7",
"@testing-library/user-event": "^12.8.3",
"bootstrap": "^5.0.2",
"husky": "^7.0.1",
"lint-staged": "^11.1.1",
"prettier": "^2.3.2",
"react": "^17.0.2",
"react-bootstrap": "^2.0.0-beta.4",
"react-dom": "^17.0.2",
"react-router-dom": "^5.2.0",
"react-scripts": "4.0.3",
"styled-components": "^5.3.0",
"web-vitals": "^1.1.2"
},
"lint-staged": {
"src/**/*.{js,jsx,ts,tsx,json,css,scss,md}": [
"prettier --write"
]
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": [
"react-app",
"react-app/jest"
]
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
},
"husky": {
"hooks": {
"pre-commit": "lint-staged"
}
},
"devDependencies": {
"@babel/core": "^7.14.8"
}
}
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我是否以某种方式导入错误?或者是否存在依赖问题?React-bootstrap 的其他所有内容似乎都工作正常。提前致谢。
JumboTron 不适用于 bootstrap 5,因此如果您按照https://react-bootstrap.github.io/上的指南安装了最新版本,则您将拥有较新版本的 React-bootstrap。
我看到你遵循了 Brice Ayres 的教程,他使用 bootstrap 4.3.1
以下是有关您可以执行的操作的信息: https ://getbootstrap.com/docs/5.0/migration/#jumbotron
编辑1:基本上,放下 Jumbotron,使用react-bootstrap 制作你自己的标题你自己的css。这很容易
Jumbotron是使用 React 的 React-bootstrap v3.3.x 的一部分。
它不是您正在使用的react-bootstrap 2.0.0-beta.4的一部分,它基于更旧的Bootstrap主要版本。
(Bootstrap 的主要版本往往不能很好地向后兼容。
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