webpack构建react多页面应用详解

前端之家收集整理的这篇文章主要介绍了webpack构建react多页面应用详解前端之家小编觉得挺不错的,现在分享给大家,也给大家做个参考。

写这个的初衷是很难找一个简洁的项目脚手架,很多脚手架都有很多依赖,光看依赖就要很久,所以自己参照网上的内容,弄个这么一个简单的多页面的脚手架。

利用creat-react-app 新建一个react应用

然后创建一个项目

create-react-app会自动初始化一个脚手架并安装 React 项目的各种必要依赖,如果在过程中出现网络问题,请用cnpm淘宝镜像安装。

然后我们进入项目并启动。

然后启动项目

那就会看到如下页面

然后进入src/App.js,用下面代码替换App.js中的代码(因为在webpack中暂时不想处理图片和icon)

class App extends Component {
render() {
return (
<div className="App">
<div className="App-header">

Welcome to App

src/App.js and save to reload.

); } }

export default App

然后将 index.js 中的 内容替换为如下代码(删除registerServiceWorker)

ReactDOM.render(,document.getElementById('root'));

然后删除src下面的registerServiceWorker.js(该文件用于构建pwa应用用的,暂时我们用不了)和 logo.svg文件(不想处理图片文件)和 App.test.js(用于测试用的)。

现在src/下面有四个文件。接下来,在src下面新建两个文件夹 app1和 app2,分别将原来的四个文件拷贝进入app1和app2。文件目录如下:

接下来,进入public文件下,删除favicon.ico(不想处理)和 manifest.json(构建pwa用的),然后将index.html中的内容用如下内容替换

<Meta charset="utf-8"> <Meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no"> <Meta name="theme-color" content="#000000"> React App@H_<a href="/tag/502/" target="_blank" class="keywords">502</a>_57@ </head> <body> <noscript> You need to enable JavaScript to run this app. </noscript> <div id="root"></div> </body> </html> </pre> </div> <p>这个index.html就是我们的模版html。</p> <p><h3>进入正题,开始install webpack和配置webpack</h3></p> <p>1.安装依赖。将package.json<a href="/tag/wenjian/" target="_blank" class="keywords">文件</a>用下面的<a href="/tag/wenjian/" target="_blank" class="keywords">文件</a>替代</p> <div class="jb51code"> <pre class="brush:js;"> { "name": "demo","version": "0.1.0","private": true,"dependencies": { "react": "^15.6.1","react-dom": "^15.6.1" },"devDependencies": { "babel-core": "^6.26.0","babel-loader": "^7.1.2","babel-preset-es2015": "^6.24.1","babel-preset-react": "^6.24.1","clean-webpack-plugin": "^0.1.16","<a href="/tag/css/" target="_blank" class="keywords">css-</a>loader": "^0.28.7","extract-text-webpack-plugin": "^3.0.0","file-loader": "^1.0.0","glob": "^7.1.2","html-webpack-plugin": "^2.30.1","post<a href="/tag/css/" target="_blank" class="keywords">css-</a>loader": "^2.0.6","style-loader": "^0.18.2","url-loader": "^0.5.9","webpack": "^3.5.6","webpack-dev-server": "^2.8.1" },"scripts": { "start": "webpack-dev-server --open","build": "webpack" } } </pre> </div> <p>2.<a href="/tag/shanchu/" target="_blank" class="keywords">删除</a>当前目录中的node_modules,然后重新在控制台执行</p> <div class="jb51code"> <pre class="brush:js;"> npm i </pre> </div> <p>3.在根目录下也就是/demo下新建一个webpack.config.js<a href="/tag/wenjian/" target="_blank" class="keywords">文件</a>,写入如下<a href="/tag/daima/" target="_blank" class="keywords">代码</a></p> <div class="jb51code"> <pre class="brush:js;"> const webpack = require('webpack'); const glob = require('glob'); const path = require('path'); const HtmlWebpackPlugin = require('html-webpack-plugin'); const ExtractTextPlugin = require('extract-text-webpack-plugin'); const CleanWebpackPlugin = require('clean-webpack-plugin'); <p>const webpackConfig = {<br /> entry: {},output:{<br /> path:path.resolve(<strong>dirname,'./dist/'),filename:'[name].[chunkhash:6].js'<br /> },//设置开发者工具的端口号,不设置则默认为8080端口<br /> devServer: {<br /> inline: true,port: 8181<br /> },module:{<br /> rules:[<br /> {<br /> test:/.js?$/,exclude:/node_modules/,loader:'babel-loader',query:{<br /> presets:['es2015','react']<br /> }<br /> },{<br /> test: /.(scss|sass|css)$/,loader: ExtractTextPlugin.extract({fallback: "style-loader",use: "<a href="/tag/css/" target="_blank" class="keywords">css-</a>loader"})<br /> },]<br /> },plugins: [<br /> new ExtractTextPlugin("[name].[chunkhash:6].css"),new CleanWebpackPlugin(<br /> ['dist'], <br /> {<br /> root: </strong>dirname,          <br /> verbose: true,          <br /> dry: false           <br /> }<br /> )<br /> ],};</p> <p>// <a href="/tag/huoqu/" target="_blank" class="keywords">获取</a>指定路径下的入口<a href="/tag/wenjian/" target="_blank" class="keywords">文件</a><br /> function getEntries(globPath) {<br /> const files = glob.sync(globPath),entries = {};<br /> files.forEach(function(filepath) {<br /> const split = filepath.split('/');<br /> const name = split[split.length - 2];<br /> entries[name] = './' + filepath;<br /> });<br /> return entries;<br /> }</p> <p>const entries = getEntries('src/**/index.js');</p> <p>Object.keys(entries).forEach(function(name) {<br /> webpackConfig.entry[name] = entries[name];<br /> const plugin = new HtmlWebpackPlugin({<br /> filename: name + '.html',template: './public/index.html',inject: true,chunks: [name]<br /> });<br /> webpackConfig.plugins.push(plugin);<br /> })</p> <p>module.exports = webpackConfig;</p> </pre> </div> <p>4.然后用直接执行如下<a href="/tag/daima/" target="_blank" class="keywords">代码</a></p> <div class="jb51code"> <pre class="brush:js;"> npm run build</pre> </div> <p>成功在dist中看到你的两个<a href="/tag/yemian/" target="_blank" class="keywords">页面</a>app1和app2. </p> <p>如果要自己调试用直接启用npm run start,然后在localhost:8181/app1.html查看<a href="/tag/yemian/" target="_blank" class="keywords">页面</a>进行调试。</p> <p>以上就是本文的全部<a href="/tag/neirong/" target="_blank" class="keywords">内容</a>,希望对大家的学习有所帮助,也希望大家多多<a href="/tag/zhichi/" target="_blank" class="keywords">支持</a>编程之家。</p></div> <div class="topcard-tags"><a href="/tag/react/" class="tag_link" target="_blank">react</a><a href="/tag/reactp/" class="tag_link" target="_blank">react</a><a href="/tag/preact/" class="tag_link" target="_blank">react</a><a href="/tag/preactp/" class="tag_link" target="_blank">react</a><a href="/tag/webpack/" class="tag_link" target="_blank">webpack</a><a href="/tag/pwebpack/" class="tag_link" target="_blank">webpack</a><a href="/tag/webpackp/" class="tag_link" target="_blank">webpack</a><a href="/tag/webpackgoujianreact/" class="tag_link" target="_blank">webpack构建react</a><a href="/tag/duoyemian/" class="tag_link" target="_blank">多页面</a></div> <ul class="list-group"> <li class="list-group-item"><a href="/js/36378.html" title="JavaScript实现换肤功能">上一篇:JavaScript实现换肤功能</a><a href="/js/36375.html" title="EasyUI创建人员树的实例代码" class="text-muted pull-right">下一篇:EasyUI创建人员树的实例代码</a> </li> </ul> </div> </div> </div> <!-- row end --> <div class="row row-sm"> <div class="col-sm-12 col-md-12 col-lg-12"> <div class="card"> <ins class="adsbygoogle" style="display:block" data-ad-format="autorelaxed" data-ad-client="ca-pub-4605373693034661" data-ad-slot="9144498553"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); 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