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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Sass 全局样式 | Vue-H5-Template</title>
<meta name="description" content="一个开箱即用的vue h5脚手架">
<link rel="stylesheet" href="/vue-h5-template/assets/style.2728af19.css">
<link rel="modulepreload" href="/vue-h5-template/assets/chunks/VPAlgoliaSearchBox.e998d899.js">
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<link rel="modulepreload" href="/vue-h5-template/assets/guide_vue2_sass.md.31f72d30.lean.js">
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<script id="check-dark-light">(()=>{const e=localStorage.getItem("vitepress-theme-appearance"),a=window.matchMedia("(prefers-color-scheme: dark)").matches;(!e||e==="auto"?a:e==="dark")&&document.documentElement.classList.add("dark")})();</script>
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M20,19c0,0.6-0.4,1-1,1H5c-0.6,0-1-0.4-1-1V5c0-0.6,0.4-1,1-1h14c0.6,0,1,0.4,1,1V19z"></path><path d="M16,11h-3V8c0-0.6-0.4-1-1-1s-1,0.4-1,1v3H8c-0.6,0-1,0.4-1,1s0.4,1,1,1h3v3c0,0.6,0.4,1,1,1s1-0.4,1-1v-3h3c0.6,0,1-0.4,1-1S16.6,11,16,11z"></path></svg></div></div><div class="items" data-v-2976c796><!--[--><a class="VPLink link link" href="/vue-h5-template/guide/" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>介绍</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/start.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>快速上手</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/edit.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>参与编辑</span><!----><!--]--><!----></a><!--]--></div></section></div><div class="group" data-v-f332cb62><section class="VPSidebarGroup collapsible" data-v-f332cb62 data-v-2976c796><div class="title" role="button" data-v-2976c796><h2 class="title-text" data-v-2976c796>vue3-template</h2><div class="action" data-v-2976c796><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewbox="0 0 24 24" class="icon minus" data-v-2976c796><path d="M19,2H5C3.3,2,2,3.3,2,5v14c0,1.7,1.3,3,3,3h14c1.7,0,3-1.3,3-3V5C22,3.3,20.7,2,19,2zM20,19c0,0.6-0.4,1-1,1H5c-0.6,0-1-0.4-1-1V5c0-0.6,0.4-1,1-1h14c0.6,0,1,0.4,1,1V19z"></path><path d="M16,11H8c-0.6,0-1,0.4-1,1s0.4,1,1,1h8c0.6,0,1-0.4,1-1S16.6,11,16,11z"></path></svg><svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24" class="icon plus" data-v-2976c796><path d="M19,2H5C3.3,2,2,3.3,2,5v14c0,1.7,1.3,3,3,3h14c1.7,0,3-1.3,3-3V5C22,3.3,20.7,2,19,2z M20,19c0,0.6-0.4,1-1,1H5c-0.6,0-1-0.4-1-1V5c0-0.6,0.4-1,1-1h14c0.6,0,1,0.4,1,1V19z"></path><path d="M16,11h-3V8c0-0.6-0.4-1-1-1s-1,0.4-1,1v3H8c-0.6,0-1,0.4-1,1s0.4,1,1,1h3v3c0,0.6,0.4,1,1,1s1-0.4,1-1v-3h3c0.6,0,1-0.4,1-1S16.6,11,16,11z"></path></svg></div></div><div class="items" data-v-2976c796><!--[--><a class="VPLink link link" href="/vue-h5-template/guide/vue3/start.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>启动项目</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/base.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>vite.config.ts 基础配置</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/vite.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>vite插件集成</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/env.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>多环境变量</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/viewport.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>viewport 适配方案</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/ui.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>UI组件库</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/pinia.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>Pinia 状态管理</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/router.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>vue-router</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/axios.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>axios 封装及接口管理</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/alias.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>alias</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/proxy.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>proxy 跨域</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/i18n.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>多语言解决方案</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue3/lint.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>统一开发规范</span><!----><!--]--><!----></a><!--]--></div></section></div><div class="group" data-v-f332cb62><section class="VPSidebarGroup collapsible" data-v-f332cb62 data-v-2976c796><div class="title" role="button" data-v-2976c796><h2 class="title-text" data-v-2976c796>vue2-template</h2><div class="action" data-v-2976c796><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewbox="0 0 24 24" class="icon minus" data-v-2976c796><path d="M19,2H5C3.3,2,2,3.3,2,5v14c0,1.7,1.3,3,3,3h14c1.7,0,3-1.3,3-3V5C22,3.3,20.7,2,19,2zM20,19c0,0.6-0.4,1-1,1H5c-0.6,0-1-0.4-1-1V5c0-0.6,0.4-1,1-1h14c0.6,0,1,0.4,1,1V19z"></path><path d="M16,11H8c-0.6,0-1,0.4-1,1s0.4,1,1,1h8c0.6,0,1-0.4,1-1S16.6,11,16,11z"></path></svg><svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 24 24" class="icon plus" data-v-2976c796><path d="M19,2H5C3.3,2,2,3.3,2,5v14c0,1.7,1.3,3,3,3h14c1.7,0,3-1.3,3-3V5C22,3.3,20.7,2,19,2z M20,19c0,0.6-0.4,1-1,1H5c-0.6,0-1-0.4-1-1V5c0-0.6,0.4-1,1-1h14c0.6,0,1,0.4,1,1V19z"></path><path d="M16,11h-3V8c0-0.6-0.4-1-1-1s-1,0.4-1,1v3H8c-0.6,0-1,0.4-1,1s0.4,1,1,1h3v3c0,0.6,0.4,1,1,1s1-0.4,1-1v-3h3c0.6,0,1-0.4,1-1S16.6,11,16,11z"></path></svg></div></div><div class="items" data-v-2976c796><!--[--><a class="VPLink link link" href="/vue-h5-template/guide/vue2/start.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>启动项目</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/env.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>多环境变量</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/rem.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>rem 适配方案</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/vw.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>vw 适配方案</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/vant.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>VantUI 组件按需加载</span><!----><!--]--><!----></a><a class="VPLink link link active" href="/vue-h5-template/guide/vue2/sass.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>Sass 全局样式</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/vuex.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>Vuex 状态管理</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/router.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>Vue-router</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/axios.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>Axios 封装及接口管理</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/base.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>vue.config.js 基础配置</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/alias.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>配置 alias 别名</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/proxy.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>配置 proxy 跨域</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/bundle.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>配置 打包分析</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/externals.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>配置 externals 引入 cdn 资源</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/console.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>去掉 console.log</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/chunks.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>splitChunks 打包第三方模块</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/ie.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>添加 IE 兼容</span><!----><!--]--><!----></a><a class="VPLink link link" href="/vue-h5-template/guide/vue2/lint.html" data-v-2976c796 data-v-f7e544fc data-v-3c355974><!--[--><span class="link-text" data-v-f7e544fc>统一开发规范</span><!----><!--]--><!----></a><!--]--></div></section></div><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-ca9ccb7e data-v-c95df128><div class="VPDoc has-sidebar has-aside" data-v-c95df128 data-v-f0af2311><div class="container" data-v-f0af2311><div class="aside" data-v-f0af2311><div class="aside-curtain" data-v-f0af2311></div><div class="aside-container" data-v-f0af2311><div class="aside-content" data-v-f0af2311><div class="VPDocAside" data-v-f0af2311 data-v-aea49c31><!--[--><!--]--><!--[--><!--]--><!----><!--[--><!--]--><div class="spacer" data-v-aea49c31></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-f0af2311><div class="content-container" data-v-f0af2311><!--[--><!--]--><main class="main" data-v-f0af2311><div style="position:relative;" class="vp-doc _vue-h5-template_guide_vue2_sass" data-v-f0af2311><div><h1 id="sass-全局样式" tabindex="-1">Sass 全局样式 <a class="header-anchor" href="#sass-全局样式" aria-hidden="true">#</a></h1><p>首先 你可能会遇到 <code>node-sass</code> 安装不成功，别放弃多试几次！！！</p><p>每个页面自己对应的样式都写在自己的 .vue 文件之中 <code>scoped</code> 它顾名思义给 css 加了一个域的概念。</p><div class="language-html"><button class="copy"></button><span class="lang">html</span><pre><code><span class="line"><span style="color:#89DDFF;">&lt;</span><span style="color:#F07178;">style</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">lang</span><span style="color:#89DDFF;">=</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">scss</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">/* global styles */</span></span>
<span class="line"><span style="color:#89DDFF;">&lt;/</span><span style="color:#F07178;">style</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#89DDFF;">&lt;</span><span style="color:#F07178;">style</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">lang</span><span style="color:#89DDFF;">=</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">scss</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">scoped</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">/* local styles */</span></span>
<span class="line"><span style="color:#89DDFF;">&lt;/</span><span style="color:#F07178;">style</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"></span></code></pre></div><h4 id="目录结构" tabindex="-1">目录结构 <a class="header-anchor" href="#目录结构" aria-hidden="true">#</a></h4><p>vue-h5-template 所有全局样式都在 <code>@/src/assets/css</code> 目录下设置</p><div class="language-bash"><button class="copy"></button><span class="lang">bash</span><pre><code><span class="line"><span style="color:#A6ACCD;">├── assets</span></span>
<span class="line"><span style="color:#A6ACCD;">│ ├── css</span></span>
<span class="line"><span style="color:#A6ACCD;">│ │ ├── index.scss </span><span style="color:#676E95;"># 全局通用样式</span></span>
<span class="line"><span style="color:#A6ACCD;">│ │ ├── mixin.scss </span><span style="color:#676E95;"># 全局mixin</span></span>
<span class="line"><span style="color:#A6ACCD;">│ │ └── variables.scss </span><span style="color:#676E95;"># 全局变量</span></span>
<span class="line"></span></code></pre></div><h4 id="自定义-vant-ui-样式" tabindex="-1">自定义 vant-ui 样式 <a class="header-anchor" href="#自定义-vant-ui-样式" aria-hidden="true">#</a></h4><p>现在我们来说说怎么重写 <code>vant-ui</code> 样式。由于 <code>vant-ui</code> 的样式我们是在全局引入的，所以你想在某个页面里面覆盖它的样式就不能加 <code>scoped</code>，但你又想只覆盖这个页面的 <code>vant</code> 样式，你就可在它的父级加一个 <code>class</code>，用命名空间来解决问题。</p><div class="language-css"><button class="copy"></button><span class="lang">css</span><pre><code><span class="line"><span style="color:#89DDFF;">.</span><span style="color:#FFCB6B;">about-container</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">/* 你的命名空间 */</span></span>
<span class="line"><span style="color:#A6ACCD;"> .van-button {</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">/* vant-ui 元素*/</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#B2CCD6;">margin-right</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">0px</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">}</span></span>
<span class="line"><span style="color:#A6ACCD;">}</span></span>
<span class="line"></span></code></pre></div><h4 id="父组件改变子组件样式-深度选择器" tabindex="-1">父组件改变子组件样式 深度选择器 <a class="header-anchor" href="#父组件改变子组件样式-深度选择器" aria-hidden="true">#</a></h4><p>当你子组件使用了 <code>scoped</code> 但在父组件又想修改子组件的样式可以 通过 <code>&gt;&gt;&gt;</code> 来实现：</p><div class="language-css"><button class="copy"></button><span class="lang">css</span><pre><code><span class="line"><span style="color:#A6ACCD;">&lt;</span><span style="color:#FFCB6B;">style</span><span style="color:#A6ACCD;"> scoped</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"><span style="color:#89DDFF;">.</span><span style="color:#FFCB6B;">a</span><span style="color:#A6ACCD;"> &gt;&gt;&gt; </span><span style="color:#89DDFF;">.</span><span style="color:#FFCB6B;">b</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">/* ... */</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">}</span></span>
<span class="line"><span style="color:#A6ACCD;">&lt;/</span><span style="color:#FFCB6B;">style</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"></span></code></pre></div><h4 id="全局变量" tabindex="-1">全局变量 <a class="header-anchor" href="#全局变量" aria-hidden="true">#</a></h4><p><code>vue.config.js</code> 配置使用 <code>css.loaderOptions</code> 选项,注入 <code>sass</code> 的 <code>mixin</code> <code>variables</code> 到全局，不需要手动引入 ,配置<code>$cdn</code>通过变量形式引入 cdn 地址,这样向所有 Sass/Less 样式传入共享的全局变量：</p><div class="language-javascript"><button class="copy"></button><span class="lang">javascript</span><pre><code><span class="line"><span style="color:#C792EA;">const</span><span style="color:#A6ACCD;"> IS_PROD </span><span style="color:#89DDFF;">=</span><span style="color:#A6ACCD;"> [</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">production</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">prod</span><span style="color:#89DDFF;">&quot;</span><span style="color:#A6ACCD;">]</span><span style="color:#89DDFF;">.</span><span style="color:#82AAFF;">includes</span><span style="color:#A6ACCD;">(process</span><span style="color:#89DDFF;">.</span><span style="color:#A6ACCD;">env</span><span style="color:#89DDFF;">.</span><span style="color:#A6ACCD;">NODE_ENV)</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#C792EA;">const</span><span style="color:#A6ACCD;"> defaultSettings </span><span style="color:#89DDFF;">=</span><span style="color:#A6ACCD;"> </span><span style="color:#82AAFF;">require</span><span style="color:#A6ACCD;">(</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">./src/config/index.js</span><span style="color:#89DDFF;">&quot;</span><span style="color:#A6ACCD;">)</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#89DDFF;">module.exports</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">=</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#F07178;">css</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#F07178;">extract</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> IS_PROD</span><span style="color:#89DDFF;">,</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#F07178;">sourceMap</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#FF9CAC;">false</span><span style="color:#89DDFF;">,</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#F07178;">loaderOptions</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#89DDFF;"> </span><span style="color:#676E95;">// 给 scss-loader 传递选项</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#F07178;">scss</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#89DDFF;"> </span><span style="color:#676E95;">// 注入 `sass` 的 `mixin` `variables` 到全局, $cdn可以配置图片cdn</span></span>
<span class="line"><span style="color:#89DDFF;"> </span><span style="color:#676E95;">// 详情: https://cli.vuejs.org/guide/css.html#passing-options-to-pre-processor-loaders</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#F07178;">prependData</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">`</span></span>
<span class="line"><span style="color:#C3E88D;"> @import &quot;assets/css/mixin.scss&quot;;</span></span>
<span class="line"><span style="color:#C3E88D;"> @import &quot;assets/css/variables.scss&quot;;</span></span>
<span class="line"><span style="color:#C3E88D;"> $cdn: &quot;</span><span style="color:#89DDFF;">${</span><span style="color:#A6ACCD;">defaultSettings</span><span style="color:#89DDFF;">.</span><span style="color:#A6ACCD;">$cdn</span><span style="color:#89DDFF;">}</span><span style="color:#C3E88D;">&quot;;</span></span>
<span class="line"><span style="color:#C3E88D;"> </span><span style="color:#89DDFF;">`</span><span style="color:#89DDFF;">,</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">},</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">},</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">},</span></span>
<span class="line"><span style="color:#89DDFF;">};</span></span>
<span class="line"></span></code></pre></div><p>设置 js 中可以访问 <code>$cdn</code>,<code>.vue</code> 文件中使用<code>this.$cdn</code>访问</p><div class="language-javascript"><button class="copy"></button><span class="lang">javascript</span><pre><code><span class="line"><span style="color:#676E95;">// 引入全局样式</span></span>
<span class="line"><span style="color:#89DDFF;">import</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">@/assets/css/index.scss</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;">;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#676E95;">// 设置 js中可以访问 $cdn</span></span>
<span class="line"><span style="color:#676E95;">// 引入cdn</span></span>
<span class="line"><span style="color:#89DDFF;">import</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span><span style="color:#F07178;"> </span><span style="color:#A6ACCD;">$cdn</span><span style="color:#F07178;"> </span><span style="color:#89DDFF;">}</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">from</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">@/config</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#FFCB6B;">Vue</span><span style="color:#89DDFF;">.</span><span style="color:#A6ACCD;">prototype</span><span style="color:#89DDFF;">.</span><span style="color:#A6ACCD;">$cdn </span><span style="color:#89DDFF;">=</span><span style="color:#A6ACCD;"> $cdn</span><span style="color:#89DDFF;">;</span></span>
<span class="line"></span></code></pre></div><p>在 css 和 js 使用</p><div class="language-html"><button class="copy"></button><span class="lang">html</span><pre><code><span class="line"><span style="color:#89DDFF;">&lt;</span><span style="color:#F07178;">script</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"><span style="color:#A6ACCD;"> console</span><span style="color:#89DDFF;">.</span><span style="color:#82AAFF;">log</span><span style="color:#A6ACCD;">(</span><span style="color:#89DDFF;">this.</span><span style="color:#A6ACCD;">$cdn)</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#89DDFF;">&lt;/</span><span style="color:#F07178;">script</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"><span style="color:#89DDFF;">&lt;</span><span style="color:#F07178;">style</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">lang</span><span style="color:#89DDFF;">=</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">scss</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">scoped</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">.</span><span style="color:#FFCB6B;">logo</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#B2CCD6;">width</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">120px</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#B2CCD6;">height</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">120px</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#B2CCD6;">background</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#82AAFF;">url</span><span style="color:#89DDFF;">(</span><span style="color:#A6ACCD;">$cdn</span><span style="color:#A6ACCD;"> </span><span style="color:#A6ACCD;">+</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">/weapp/logo.png</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;">)</span><span style="color:#A6ACCD;"> center / contain no-repeat</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">}</span></span>
<span class="line"><span style="color:#89DDFF;">&lt;/</span><span style="color:#F07178;">style</span><span style="color:#89DDFF;">&gt;</span></span>
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