123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389 |
- <!DOCTYPE HTML>
- <html lang="zh-hans" >
- <head>
- <meta charset="UTF-8">
- <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
- <title>3-9 为单页应用生成 HTML · 深入浅出 Webpack</title>
- <meta http-equiv="X-UA-Compatible" content="IE=edge" />
- <meta name="description" content="">
- <meta name="generator" content="GitBook 3.2.3">
- <meta name="author" content="吴浩麟">
- <meta name="identifier" content="9787121331725" scheme="ISBN">
-
-
- <link rel="stylesheet" href="../gitbook/style.css">
-
-
-
- <link rel="stylesheet" href="../gitbook/gitbook-plugin-modal/index.css">
-
-
-
- <link rel="stylesheet" href="../gitbook/gitbook-plugin-highlight/website.css">
-
-
-
- <link rel="stylesheet" href="../gitbook/gitbook-plugin-search/search.css">
-
-
-
- <link rel="stylesheet" href="../gitbook/gitbook-plugin-fontsettings/website.css">
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- <meta name="HandheldFriendly" content="true"/>
- <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
- <meta name="apple-mobile-web-app-capable" content="yes">
- <meta name="apple-mobile-web-app-status-bar-style" content="black">
- <link rel="apple-touch-icon-precomposed" sizes="152x152" href="../gitbook/images/apple-touch-icon-precomposed-152.png">
- <link rel="shortcut icon" href="../gitbook/images/favicon.ico" type="image/x-icon">
-
- <link rel="next" href="3-10管理多个单页应用.html" />
-
-
- <link rel="prev" href="3-8使用Angular2框架.html" />
-
- <style>
- @media only screen and (max-width: 640px) {
- .book-header .hidden-mobile {
- display: none;
- }
- }
- </style>
- <script>
- window["gitbook-plugin-github-buttons"] = {"buttons":[{"user":"gwuhaolin","type":"follow","size":"small","width":"150"},{"user":"gwuhaolin","repo":"dive-into-webpack","type":"star","size":"small"}]};
- </script>
- </head>
- <body>
-
- <div class="book">
- <div class="book-summary">
-
-
- <div id="book-search-input" role="search">
- <input type="text" placeholder="输入并搜索" />
- </div>
-
- <nav role="navigation">
-
- <ul class="summary">
-
-
-
-
-
-
- <li class="chapter " data-level="1.1" data-path="../">
-
- <a href="../">
-
-
- 深入浅出 Webpack
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.2" data-path="../前言.html">
-
- <a href="../前言.html">
-
-
- 前言
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.3" data-path="../1入门/">
-
- <a href="../1入门/">
-
-
- 第1章 入门
-
- </a>
-
-
- <ul class="articles">
-
- <li class="chapter " data-level="1.3.1" data-path="../1入门/1-1前端的发展.html">
-
- <a href="../1入门/1-1前端的发展.html">
-
-
- 1-1 前端的发展
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.3.2" data-path="../1入门/1-2常见的构建工具及对比.html">
-
- <a href="../1入门/1-2常见的构建工具及对比.html">
-
-
- 1-2 常见的构建工具及对比
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.3.3" data-path="../1入门/1-3安装与使用.html">
-
- <a href="../1入门/1-3安装与使用.html">
-
-
- 1-3 安装与使用
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.3.4" data-path="../1入门/1-4使用Loader.html">
-
- <a href="../1入门/1-4使用Loader.html">
-
-
- 1-4 使用 Loader
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.3.5" data-path="../1入门/1-5使用Plugin.html">
-
- <a href="../1入门/1-5使用Plugin.html">
-
-
- 1-5 使用 Plugin
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.3.6" data-path="../1入门/1-6使用DevServer.html">
-
- <a href="../1入门/1-6使用DevServer.html">
-
-
- 1-6 使用 DevServer
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.3.7" data-path="../1入门/1-7核心概念.html">
-
- <a href="../1入门/1-7核心概念.html">
-
-
- 1-7 核心概念
-
- </a>
-
-
- </li>
- </ul>
-
- </li>
- <li class="chapter " data-level="1.4" data-path="../2配置/">
-
- <a href="../2配置/">
-
-
- 第2章 配置
-
- </a>
-
-
- <ul class="articles">
-
- <li class="chapter " data-level="1.4.1" data-path="../2配置/2-1Entry.html">
-
- <a href="../2配置/2-1Entry.html">
-
-
- 2-1 Entry
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.2" data-path="../2配置/2-2Output.html">
-
- <a href="../2配置/2-2Output.html">
-
-
- 2-2 Output
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.3" data-path="../2配置/2-3Module.html">
-
- <a href="../2配置/2-3Module.html">
-
-
- 2-3 Module
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.4" data-path="../2配置/2-4Resolve.html">
-
- <a href="../2配置/2-4Resolve.html">
-
-
- 2-4 Resolve
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.5" data-path="../2配置/2-5Plugins.html">
-
- <a href="../2配置/2-5Plugins.html">
-
-
- 2-5 Plugins
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.6" data-path="../2配置/2-6DevServer.html">
-
- <a href="../2配置/2-6DevServer.html">
-
-
- 2-6 DevServer
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.7" data-path="../2配置/2-7其它配置项.html">
-
- <a href="../2配置/2-7其它配置项.html">
-
-
- 2-7 其它配置项
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.8" data-path="../2配置/2-8整体配置结构.html">
-
- <a href="../2配置/2-8整体配置结构.html">
-
-
- 2-8 整体配置结构
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.9" data-path="../2配置/2-9多种配置类型.html">
-
- <a href="../2配置/2-9多种配置类型.html">
-
-
- 2-9 多种配置类型
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.4.10" data-path="../2配置/2-10配置总结.html">
-
- <a href="../2配置/2-10配置总结.html">
-
-
- 2-10 配置总结
-
- </a>
-
-
- </li>
- </ul>
-
- </li>
- <li class="chapter " data-level="1.5" data-path="./">
-
- <a href="./">
-
-
- 第3章 实战
-
- </a>
-
-
- <ul class="articles">
-
- <li class="chapter " data-level="1.5.1" data-path="3-1使用ES6语言.html">
-
- <a href="3-1使用ES6语言.html">
-
-
- 3-1 使用 ES6 语言
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.2" data-path="3-2使用TypeScript语言.html">
-
- <a href="3-2使用TypeScript语言.html">
-
-
- 3-2 使用 TypeScript 语言
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.3" data-path="3-3使用Flow检查器.html">
-
- <a href="3-3使用Flow检查器.html">
-
-
- 3-3 使用 Flow 检查器
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.4" data-path="3-4使用SCSS语言.html">
-
- <a href="3-4使用SCSS语言.html">
-
-
- 3-4 使用 SCSS
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.5" data-path="3-5使用PostCSS.html">
-
- <a href="3-5使用PostCSS.html">
-
-
- 3-5 使用 PostCSS
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.6" data-path="3-6使用React框架.html">
-
- <a href="3-6使用React框架.html">
-
-
- 3-6 使用 React 框架
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.7" data-path="3-7使用Vue框架.html">
-
- <a href="3-7使用Vue框架.html">
-
-
- 3-7 使用 Vue 框架
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.8" data-path="3-8使用Angular2框架.html">
-
- <a href="3-8使用Angular2框架.html">
-
-
- 3-8 使用 Angular2 框架
-
- </a>
-
-
- </li>
- <li class="chapter active" data-level="1.5.9" data-path="3-9为单页应用生成HTML.html">
-
- <a href="3-9为单页应用生成HTML.html">
-
-
- 3-9 为单页应用生成 HTML
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.10" data-path="3-10管理多个单页应用.html">
-
- <a href="3-10管理多个单页应用.html">
-
-
- 3-10 管理多个单页应用
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.11" data-path="3-11构建同构应用.html">
-
- <a href="3-11构建同构应用.html">
-
-
- 3-11 构建同构应用
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.12" data-path="3-12构建Electron应用.html">
-
- <a href="3-12构建Electron应用.html">
-
-
- 3-12 构建 Electron 应用
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.13" data-path="3-13构建Npm模块.html">
-
- <a href="3-13构建Npm模块.html">
-
-
- 3-13 构建 Npm 模块
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.14" data-path="3-14构建离线应用.html">
-
- <a href="3-14构建离线应用.html">
-
-
- 3-14 构建离线应用
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.15" data-path="3-15搭配NpmScript.html">
-
- <a href="3-15搭配NpmScript.html">
-
-
- 3-15 搭配 Npm Script
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.16" data-path="3-16检查代码.html">
-
- <a href="3-16检查代码.html">
-
-
- 3-16 检查代码
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.17" data-path="3-17通过Node.jsAPI启动Webpack.html">
-
- <a href="3-17通过Node.jsAPI启动Webpack.html">
-
-
- 3-17 通过 Node.js API 启动 Webpack
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.18" data-path="3-18使用WebpackDevMiddleware.html">
-
- <a href="3-18使用WebpackDevMiddleware.html">
-
-
- 3-18 使用 Webpack Dev Middleware
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.19" data-path="3-19加载图片.html">
-
- <a href="3-19加载图片.html">
-
-
- 3-19 加载图片
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.20" data-path="3-20加载SVG.html">
-
- <a href="3-20加载SVG.html">
-
-
- 3-20 加载SVG
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.21" data-path="3-21加载SourceMap.html">
-
- <a href="3-21加载SourceMap.html">
-
-
- 3-21 加载 Source Map
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.5.22" data-path="3-22实战总结.html">
-
- <a href="3-22实战总结.html">
-
-
- 3-22 实战总结
-
- </a>
-
-
- </li>
- </ul>
-
- </li>
- <li class="chapter " data-level="1.6" data-path="../4优化/">
-
- <a href="../4优化/">
-
-
- 第4章 优化
-
- </a>
-
-
- <ul class="articles">
-
- <li class="chapter " data-level="1.6.1" data-path="../4优化/4-1缩小文件搜索范围.html">
-
- <a href="../4优化/4-1缩小文件搜索范围.html">
-
-
- 4-1 缩小文件搜索范围
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.2" data-path="../4优化/4-2使用DllPlugin.html">
-
- <a href="../4优化/4-2使用DllPlugin.html">
-
-
- 4-2 使用 DllPlugin
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.3" data-path="../4优化/4-3使用HappyPack.html">
-
- <a href="../4优化/4-3使用HappyPack.html">
-
-
- 4-3 使用 HappyPack
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.4" data-path="../4优化/4-4使用ParallelUglifyPlugin.html">
-
- <a href="../4优化/4-4使用ParallelUglifyPlugin.html">
-
-
- 4-4 使用 ParallelUglifyPlugin
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.5" data-path="../4优化/4-5使用自动刷新.html">
-
- <a href="../4优化/4-5使用自动刷新.html">
-
-
- 4-5 使用自动刷新
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.6" data-path="../4优化/4-6开启模块热替换.html">
-
- <a href="../4优化/4-6开启模块热替换.html">
-
-
- 4-6 开启模块热替换
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.7" data-path="../4优化/4-7区分环境.html">
-
- <a href="../4优化/4-7区分环境.html">
-
-
- 4-7 区分环境
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.8" data-path="../4优化/4-8压缩代码.html">
-
- <a href="../4优化/4-8压缩代码.html">
-
-
- 4-8 压缩代码
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.9" data-path="../4优化/4-9CDN加速.html">
-
- <a href="../4优化/4-9CDN加速.html">
-
-
- 4-9 CDN 加速
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.10" data-path="../4优化/4-10使用TreeShaking.html">
-
- <a href="../4优化/4-10使用TreeShaking.html">
-
-
- 4-10 使用 Tree Shaking
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.11" data-path="../4优化/4-11提取公共代码.html">
-
- <a href="../4优化/4-11提取公共代码.html">
-
-
- 4-11 提取公共代码
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.12" data-path="../4优化/4-12按需加载.html">
-
- <a href="../4优化/4-12按需加载.html">
-
-
- 4-12 按需加载
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.13" data-path="../4优化/4-13使用Prepack.html">
-
- <a href="../4优化/4-13使用Prepack.html">
-
-
- 4-13 使用 Prepack
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.14" data-path="../4优化/4-14开启ScopeHoisting.html">
-
- <a href="../4优化/4-14开启ScopeHoisting.html">
-
-
- 4-14 开启 Scope Hoisting
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.15" data-path="../4优化/4-15输出分析.html">
-
- <a href="../4优化/4-15输出分析.html">
-
-
- 4-15 输出分析
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.6.16" data-path="../4优化/4-16优化总结.html">
-
- <a href="../4优化/4-16优化总结.html">
-
-
- 4-16 优化总结
-
- </a>
-
-
- </li>
- </ul>
-
- </li>
- <li class="chapter " data-level="1.7" data-path="../5原理/">
-
- <a href="../5原理/">
-
-
- 第5章 原理
-
- </a>
-
-
- <ul class="articles">
-
- <li class="chapter " data-level="1.7.1" data-path="../5原理/5-1工作原理概括.html">
-
- <a href="../5原理/5-1工作原理概括.html">
-
-
- 5-1 工作原理概括
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.7.2" data-path="../5原理/5-2输出文件分析.html">
-
- <a href="../5原理/5-2输出文件分析.html">
-
-
- 5-2 输出文件分析
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.7.3" data-path="../5原理/5-3编写Loader.html">
-
- <a href="../5原理/5-3编写Loader.html">
-
-
- 5-3 编写 Loader
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.7.4" data-path="../5原理/5-4编写Plugin.html">
-
- <a href="../5原理/5-4编写Plugin.html">
-
-
- 5-4 编写 Plugin
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.7.5" data-path="../5原理/5-5调试Webpack.html">
-
- <a href="../5原理/5-5调试Webpack.html">
-
-
- 5-5 调试 Webpack
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.7.6" data-path="../5原理/5-6原理总结.html">
-
- <a href="../5原理/5-6原理总结.html">
-
-
- 5-6 原理总结
-
- </a>
-
-
- </li>
- </ul>
-
- </li>
- <li class="chapter " data-level="1.8" >
-
- <span>
-
-
- 附录
-
- </span>
-
-
- <ul class="articles">
-
- <li class="chapter " data-level="1.8.1" data-path="../附录/常用Loaders.html">
-
- <a href="../附录/常用Loaders.html">
-
-
- 常用 Loaders
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.8.2" data-path="../附录/常用Plugins.html">
-
- <a href="../附录/常用Plugins.html">
-
-
- 常用 Plugins
-
- </a>
-
-
- </li>
- <li class="chapter " data-level="1.8.3" data-path="../附录/其它Webpack学习资源.html">
-
- <a href="../附录/其它Webpack学习资源.html">
-
-
- 其它 Webpack 学习资源
-
- </a>
-
-
- </li>
- </ul>
-
- </li>
-
- <li class="divider"></li>
- <li id="codefund_ad">
- <script src="https://codesponsor.io/scripts/5da524c5-301a-4ef4-8b42-696edd22e693/embed.js"></script>
- </li>
- </ul>
- </nav>
-
-
- </div>
- <div class="book-body">
-
- <div class="body-inner">
-
-
- <div class="book-header" role="navigation">
-
- <!-- Title -->
- <h1>
- <i class="fa fa-circle-o-notch fa-spin"></i>
- <a href=".." >3-9 为单页应用生成 HTML</a>
- </h1>
- </div>
- <div class="page-wrapper" tabindex="-1" role="main">
- <div class="page-inner">
-
- <div id="book-search-results">
- <div class="search-noresults">
-
- <section class="normal markdown-section">
-
- <h1 id="3-9-为单页应用生成-html">3-9 为单页应用生成 HTML</h1>
- <h2 id="引入问题">引入问题</h2>
- <p>在<a href="3-6使用React框架.html">3-6 使用 React 框架</a>中,是用最简单的 <code>Hello,Webpack</code> 作为例子让大家理解,
- 这个例子里因为只输出了一个 <code>bundle.js</code> 文件,所以手写了一个 <code>index.html</code> 文件去引入这个 <code>bundle.js</code>,才能让应用在浏览器中运行起来。</p>
- <p>在实际项目中远比这复杂,一个页面常常有很多资源要加载。接下来举一个实战中的例子,要求如下:</p>
- <ol>
- <li>项目采用 ES6 语言加 React 框架。</li>
- <li>给页面加入 <a href="https://analytics.google.com/analytics/web/" target="_blank">Google Analytics</a>,这部分代码需要内嵌进 HEAD 标签里去。</li>
- <li>给页面加入 <a href="https://disqus.com" target="_blank">Disqus</a> 用户评论,这部分代码需要异步加载以提升首屏加载速度。</li>
- <li>压缩和分离 JavaScript 和 CSS 代码,提升加载速度。</li>
- </ol>
- <p>在开始前先来看看该应用最终发布到线上的代码:</p>
- <pre><code class="lang-html"><span class="hljs-tag"><<span class="hljs-name">html</span>></span>
- <span class="hljs-tag"><<span class="hljs-name">head</span>></span>
- <span class="hljs-tag"><<span class="hljs-name">meta</span> <span class="hljs-attr">charset</span>=<span class="hljs-string">"UTF-8"</span>></span>
- <span class="hljs-comment"><!--注入 Chunk app 依赖的 CSS--></span>
- <span class="hljs-tag"><<span class="hljs-name">style</span> <span class="hljs-attr">rel</span>=<span class="hljs-string">"stylesheet"</span>></span><span class="css"><span class="hljs-selector-tag">h1</span>{<span class="hljs-attribute">color</span>:red}</span><span class="hljs-tag"></<span class="hljs-name">style</span>></span>
- <span class="hljs-comment"><!--内嵌 google_analytics 中的 JavaScript 代码--></span>
- <span class="hljs-tag"><<span class="hljs-name">script</span>></span><span class="javascript">
- (<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">i,s,o,g,r,a,m</span>)</span>{i[<span class="hljs-string">'GoogleAnalyticsObject'</span>]=r;i[r]=i[r]||<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
- (i[r].q=i[r].q||[]).push(<span class="hljs-built_in">arguments</span>)},i[r].l=<span class="hljs-number">1</span>*<span class="hljs-keyword">new</span> <span class="hljs-built_in">Date</span>();a=s.createElement(o),
- m=s.getElementsByTagName(o)[<span class="hljs-number">0</span>];a.async=<span class="hljs-number">1</span>;a.src=g;m.parentNode.insertBefore(a,m)
- })(<span class="hljs-built_in">window</span>,<span class="hljs-built_in">document</span>,<span class="hljs-string">'script'</span>,<span class="hljs-string">'https://www.google-analytics.com/analytics.js'</span>,<span class="hljs-string">'ga'</span>);
- ga(<span class="hljs-string">'create'</span>, <span class="hljs-string">'UA-XXXXX-Y'</span>, <span class="hljs-string">'auto'</span>);
- ga(<span class="hljs-string">'send'</span>, <span class="hljs-string">'pageview'</span>);
- </span><span class="hljs-tag"></<span class="hljs-name">script</span>></span>
- <span class="hljs-comment"><!--异步加载 Disqus 评论--></span>
- <span class="hljs-tag"><<span class="hljs-name">script</span> <span class="hljs-attr">async</span>=<span class="hljs-string">""</span> <span class="hljs-attr">src</span>=<span class="hljs-string">"https://dive-into-webpack.disqus.com/embed.js"</span>></span><span class="undefined"></span><span class="hljs-tag"></<span class="hljs-name">script</span>></span>
- <span class="hljs-tag"></<span class="hljs-name">head</span>></span>
- <span class="hljs-tag"><<span class="hljs-name">body</span>></span>
- <span class="hljs-tag"><<span class="hljs-name">div</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"app"</span>></span><span class="hljs-tag"></<span class="hljs-name">div</span>></span>
- <span class="hljs-comment"><!--导入 app 依赖的 JS--></span>
- <span class="hljs-tag"><<span class="hljs-name">script</span> <span class="hljs-attr">src</span>=<span class="hljs-string">"app_746f32b2.js"</span>></span><span class="undefined"></span><span class="hljs-tag"></<span class="hljs-name">script</span>></span>
- <span class="hljs-comment"><!--Disqus 评论容器--></span>
- <span class="hljs-tag"><<span class="hljs-name">div</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"disqus_thread"</span>></span><span class="hljs-tag"></<span class="hljs-name">div</span>></span>
- <span class="hljs-tag"></<span class="hljs-name">body</span>></span>
- <span class="hljs-tag"></<span class="hljs-name">html</span>></span>
- </code></pre>
- <blockquote>
- <p>HTML 应该是被压缩过的,这里为了方便大家阅读而格式化了 HTML,并且加入了注释。</p>
- </blockquote>
- <p>构建出的目录结构为:</p>
- <pre><code>dist
- ├── app_792b446e.js
- └── index.html
- </code></pre><p>可以看到部分代码被内嵌进了 HTML 的 HEAD 标签中,部分文件的文件名称被打上根据文件内容算出的 Hash 值,并且加载这些文件的 URL 地址也被正常的注入到了 HTML 中。
- 如果你还采用手写 <code>index.html</code> 文件去完成以上要求,这就会使工作变得复杂、易错,项目难以维护。
- 本节教你如何自动化的生成这个符合要求的 <code>index.html</code>。</p>
- <h2 id="解决方案">解决方案</h2>
- <p>推荐一个用于方便的解决以上问题的 Webpack 插件 <a href="https://github.com/gwuhaolin/web-webpack-plugin" target="_blank">web-webpack-plugin</a>。
- 该插件已经被社区上许多人使用和验证,解决了大家的痛点获得了很多好评,下面具体介绍如何用它来解决上面的问题。</p>
- <p>首先,修改 Webpack 配置为如下:</p>
- <pre><code class="lang-js"><span class="hljs-keyword">const</span> path = <span class="hljs-built_in">require</span>(<span class="hljs-string">'path'</span>);
- <span class="hljs-keyword">const</span> UglifyJsPlugin = <span class="hljs-built_in">require</span>(<span class="hljs-string">'webpack/lib/optimize/UglifyJsPlugin'</span>);
- <span class="hljs-keyword">const</span> ExtractTextPlugin = <span class="hljs-built_in">require</span>(<span class="hljs-string">'extract-text-webpack-plugin'</span>);
- <span class="hljs-keyword">const</span> DefinePlugin = <span class="hljs-built_in">require</span>(<span class="hljs-string">'webpack/lib/DefinePlugin'</span>);
- <span class="hljs-keyword">const</span> { WebPlugin } = <span class="hljs-built_in">require</span>(<span class="hljs-string">'web-webpack-plugin'</span>);
- <span class="hljs-built_in">module</span>.exports = {
- entry: {
- app: <span class="hljs-string">'./main.js'</span><span class="hljs-comment">// app 的 JavaScript 执行入口文件</span>
- },
- output: {
- filename: <span class="hljs-string">'[name]_[chunkhash:8].js'</span>,<span class="hljs-comment">// 给输出的文件名称加上 Hash 值</span>
- path: path.resolve(__dirname, <span class="hljs-string">'./dist'</span>),
- },
- <span class="hljs-built_in">module</span>: {
- rules: [
- {
- test: <span class="hljs-regexp">/\.js$/</span>,
- use: [<span class="hljs-string">'babel-loader'</span>],
- <span class="hljs-comment">// 排除 node_modules 目录下的文件,</span>
- <span class="hljs-comment">// 该目录下的文件都是采用的 ES5 语法,没必要再通过 Babel 去转换</span>
- exclude: path.resolve(__dirname, <span class="hljs-string">'node_modules'</span>),
- },
- {
- test: <span class="hljs-regexp">/\.css$/</span>,<span class="hljs-comment">// 增加对 CSS 文件的支持</span>
- <span class="hljs-comment">// 提取出 Chunk 中的 CSS 代码到单独的文件中</span>
- use: ExtractTextPlugin.extract({
- use: [<span class="hljs-string">'css-loader?minimize'</span>] <span class="hljs-comment">// 压缩 CSS 代码</span>
- }),
- },
- ]
- },
- plugins: [
- <span class="hljs-comment">// 使用本文的主角 WebPlugin,一个 WebPlugin 对应一个 HTML 文件</span>
- <span class="hljs-keyword">new</span> WebPlugin({
- template: <span class="hljs-string">'./template.html'</span>, <span class="hljs-comment">// HTML 模版文件所在的文件路径</span>
- filename: <span class="hljs-string">'index.html'</span> <span class="hljs-comment">// 输出的 HTML 的文件名称</span>
- }),
- <span class="hljs-keyword">new</span> ExtractTextPlugin({
- filename: <span class="hljs-string">`[name]_[contenthash:8].css`</span>,<span class="hljs-comment">// 给输出的 CSS 文件名称加上 Hash 值</span>
- }),
- <span class="hljs-keyword">new</span> DefinePlugin({
- <span class="hljs-comment">// 定义 NODE_ENV 环境变量为 production,以去除源码中只有开发时才需要的部分</span>
- <span class="hljs-string">'process.env'</span>: {
- NODE_ENV: <span class="hljs-built_in">JSON</span>.stringify(<span class="hljs-string">'production'</span>)
- }
- }),
- <span class="hljs-comment">// 压缩输出的 JavaScript 代码</span>
- <span class="hljs-keyword">new</span> UglifyJsPlugin({
- <span class="hljs-comment">// 最紧凑的输出</span>
- beautify: <span class="hljs-literal">false</span>,
- <span class="hljs-comment">// 删除所有的注释</span>
- comments: <span class="hljs-literal">false</span>,
- compress: {
- <span class="hljs-comment">// 在UglifyJs删除没有用到的代码时不输出警告</span>
- warnings: <span class="hljs-literal">false</span>,
- <span class="hljs-comment">// 删除所有的 `console` 语句,可以兼容ie浏览器</span>
- drop_console: <span class="hljs-literal">true</span>,
- <span class="hljs-comment">// 内嵌定义了但是只用到一次的变量</span>
- collapse_vars: <span class="hljs-literal">true</span>,
- <span class="hljs-comment">// 提取出出现多次但是没有定义成变量去引用的静态值</span>
- reduce_vars: <span class="hljs-literal">true</span>,
- }
- }),
- ],
- };
- </code></pre>
- <p>以上配置中,大多数都是按照前面已经讲过的内容增加的配置,例如:</p>
- <ul>
- <li>增加对 CSS 文件的支持,提取出 Chunk 中的 CSS 代码到单独的文件中,压缩 CSS 文件;</li>
- <li>定义 <code>NODE_ENV</code> 环境变量为 <code>production</code>,以去除源码中只有开发时才需要的部分;</li>
- <li>给输出的文件名称加上 Hash 值;</li>
- <li>压缩输出的 JavaScript 代码。</li>
- </ul>
- <p>但最核心的部分在于 <code>plugins</code> 里的:</p>
- <pre><code class="lang-js"><span class="hljs-keyword">new</span> WebPlugin({
- template: <span class="hljs-string">'./template.html'</span>, <span class="hljs-comment">// HTML 模版文件所在的文件路径</span>
- filename: <span class="hljs-string">'index.html'</span> <span class="hljs-comment">// 输出的 HTML 的文件名称</span>
- })
- </code></pre>
- <p>其中 <code>template: './template.html'</code> 所指的模版文件 <code>template.html</code> 的内容是:</p>
- <pre><code class="lang-html"><span class="hljs-tag"><<span class="hljs-name">html</span>></span>
- <span class="hljs-tag"><<span class="hljs-name">head</span>></span>
- <span class="hljs-tag"><<span class="hljs-name">meta</span> <span class="hljs-attr">charset</span>=<span class="hljs-string">"UTF-8"</span>></span>
- <span class="hljs-comment"><!--注入 Chunk app 中的 CSS--></span>
- <span class="hljs-tag"><<span class="hljs-name">link</span> <span class="hljs-attr">rel</span>=<span class="hljs-string">"stylesheet"</span> <span class="hljs-attr">href</span>=<span class="hljs-string">"app?_inline"</span>></span>
- <span class="hljs-comment"><!--注入 google_analytics 中的 JavaScript 代码--></span>
- <span class="hljs-tag"><<span class="hljs-name">script</span> <span class="hljs-attr">src</span>=<span class="hljs-string">"./google_analytics.js?_inline"</span>></span><span class="undefined"></span><span class="hljs-tag"></<span class="hljs-name">script</span>></span>
- <span class="hljs-comment"><!--异步加载 Disqus 评论--></span>
- <span class="hljs-tag"><<span class="hljs-name">script</span> <span class="hljs-attr">src</span>=<span class="hljs-string">"https://dive-into-webpack.disqus.com/embed.js"</span> <span class="hljs-attr">async</span>></span><span class="undefined"></span><span class="hljs-tag"></<span class="hljs-name">script</span>></span>
- <span class="hljs-tag"></<span class="hljs-name">head</span>></span>
- <span class="hljs-tag"><<span class="hljs-name">body</span>></span>
- <span class="hljs-tag"><<span class="hljs-name">div</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"app"</span>></span><span class="hljs-tag"></<span class="hljs-name">div</span>></span>
- <span class="hljs-comment"><!--导入 Chunk app 中的 JS--></span>
- <span class="hljs-tag"><<span class="hljs-name">script</span> <span class="hljs-attr">src</span>=<span class="hljs-string">"app"</span>></span><span class="undefined"></span><span class="hljs-tag"></<span class="hljs-name">script</span>></span>
- <span class="hljs-comment"><!--Disqus 评论容器--></span>
- <span class="hljs-tag"><<span class="hljs-name">div</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"disqus_thread"</span>></span><span class="hljs-tag"></<span class="hljs-name">div</span>></span>
- <span class="hljs-tag"></<span class="hljs-name">body</span>></span>
- <span class="hljs-tag"></<span class="hljs-name">html</span>></span>
- </code></pre>
- <p>该文件描述了哪些资源需要被以何种方式加入到输出的 HTML 文件中。</p>
- <p>以 <code><link rel="stylesheet" href="app?_inline"></code> 为例,按照正常引入 CSS 文件一样的语法来引入 Webpack 生产的代码。
- <code>href</code> 属性中的 <code>app?_inline</code> 可以分为两部分,前面的 <code>app</code> 表示 CSS 代码来自名叫 <code>app</code> 的 Chunk 中,后面的 <code>_inline</code> 表示这些代码需要被内嵌到这个标签所在的位置。</p>
- <p>同样的 <code><script src="./google_analytics.js?_inline"></script></code> 表示 JavaScript 代码来自相对于当前模版文件 <code>template.html</code> 的本地文件 <code>./google_analytics.js</code>,
- 而且文件中的 JavaScript 代码也需要被内嵌到这个标签所在的位置。</p>
- <p>也就是说资源链接 URL 字符串里问号前面的部分表示资源内容来自哪里,后面的 querystring 表示这些资源注入的方式。</p>
- <p>除了 <code>_inline</code> 表示内嵌外,还支持以下属性:</p>
- <ul>
- <li><code>_dist</code> 只有在生产环境下才引入该资源</li>
- <li><code>_dev</code> 只有在开发环境下才引入该资源</li>
- <li><code>_ie</code> 只有IE浏览器才需要引入的资源,通过 <code>[if IE]>resource<![endif]</code> 注释实现</li>
- </ul>
- <p>这些属性之间可以搭配使用,互不冲突。例如 <code>app?_inline&_dist</code> 表示只在生产环境下才引入该资源,并且需要内嵌到 HTML 里去。</p>
- <p><code>WebPlugin</code> 插件还支持一些其它更高级的用法,详情可以访问该<a href="https://github.com/gwuhaolin/web-webpack-plugin" target="_blank">项目主页</a>阅读文档。</p>
- <blockquote>
- <p>本实例<a href="http://webpack.wuhaolin.cn/3-9为单页应用生成HTML.zip" target="_blank">提供项目完整代码</a></p>
- </blockquote>
-
- </section>
-
- </div>
- <div class="search-results">
- <div class="has-results">
-
- <h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
- <ul class="search-results-list"></ul>
-
- </div>
- <div class="no-results">
-
- <h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
-
- </div>
- </div>
- </div>
- </div>
- </div>
-
- </div>
-
-
- <a href="3-8使用Angular2框架.html" class="navigation navigation-prev " aria-label="Previous page: 3-8 使用 Angular2 框架">
- <i class="fa fa-angle-left"></i>
- </a>
-
-
- <a href="3-10管理多个单页应用.html" class="navigation navigation-next " aria-label="Next page: 3-10 管理多个单页应用">
- <i class="fa fa-angle-right"></i>
- </a>
-
-
-
- </div>
- <script>
- var gitbook = gitbook || [];
- gitbook.push(function() {
- gitbook.page.hasChanged({"page":{"title":"3-9 为单页应用生成 HTML","level":"1.5.9","depth":2,"next":{"title":"3-10 管理多个单页应用","level":"1.5.10","depth":2,"path":"3实战/3-10管理多个单页应用.md","ref":"3实战/3-10管理多个单页应用.md","articles":[]},"previous":{"title":"3-8 使用 Angular2 框架","level":"1.5.8","depth":2,"path":"3实战/3-8使用Angular2框架.md","ref":"3实战/3-8使用Angular2框架.md","articles":[]},"dir":"ltr"},"config":{"plugins":["github-buttons","ga","modal","adsense"],"root":"./docs","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"search":{},"adsense":{"client":"ca-pub-9697944574373240","slot":"9319793387","format":"auto","element":".page-inner section","position":"top"},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"modal":{"closable":true,"excludeUrls":["\\?q=.+$","index.html","前言.html","\\/$","1-.+","2-2Output","3-1使用ES6语言","3-2使用TypeScript语言","3-4使用SCSS语言.html","3-5使用PostCSS.html","3-6使用React框架","3-7使用Vue框架","3-8使用Angular2框架","3-9为单页应用生成HTML","3-10管理多个单页应用","3-17通过Node.jsAPI启动Webpack","3-20加载SVG"],"html":"<div style='text-align: center'><a href='http://union-click.jd.com/jdc?d=1AMcaz'><img src='http://p0.meituan.net/scarlett/df16c51ffb95186df6f75d8c0e22b965842464.png' width='306px' height='411px'><a/> <h2><a target='_blank' href='http://union-click.jd.com/jdc?d=1AMcaz'>购买本书纸质版</a></h2></div>"},"fontsettings":{"theme":"white","family":"sans","size":2},"highlight":{},"github-buttons":{"buttons":[{"user":"gwuhaolin","type":"follow","size":"small","width":"150"},{"user":"gwuhaolin","repo":"dive-into-webpack","type":"star","size":"small"}]},"ga":{"configuration":"auto","token":"UA-54964850-3"},"sharing":{"facebook":false,"twitter":false,"google":false,"weibo":true,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","author":"吴浩麟","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"isbn":"9787121331725","variables":{},"title":"深入浅出 Webpack","language":"zh-hans","gitbook":"*","description":"本书按照入门、配置、实战、优化、原理的路线层层深入,涵盖了 Webpack 的方方面面。对于小白,本书可以作为 Webpack 入门教程,对于老手,本书可以进一步加深你对 Webpack 的理解。"},"file":{"path":"3实战/3-9为单页应用生成HTML.md","mtime":"2019-02-28T08:16:23.296Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2019-03-17T07:14:49.167Z"},"basePath":"..","book":{"language":""}});
- });
- </script>
- </div>
-
- <script src="../gitbook/gitbook.js"></script>
- <script src="../gitbook/theme.js"></script>
-
-
- <script src="../gitbook/gitbook-plugin-github-buttons/plugin.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-ga/plugin.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-modal/index.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-adsense/plugin.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-search/search-engine.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-search/search.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-lunr/lunr.min.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-lunr/search-lunr.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-sharing/buttons.js"></script>
-
-
-
- <script src="../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
-
-
- </body>
- </html>
|