How to use svg in vue3+vue-cli4
May 11, 2023 pm 05:58 PM1. Install svg-sprite-loader
npm install svg-sprite-loader --save-dev
2. Create a new component index.vue under src/components/svgIcon
<template> <svg :class="svgClass" aria-hidden="true"> <use :xlink:href="iconName" rel="external nofollow" ></use> </svg> </template> <script> import { computed } from "@vue/reactivity"; export default { name: "baseSvgIcon", props: { iconClass: { type: String }, className: { type: String }, }, setup(props) { const iconName = computed(() => { return props.iconClass ? `#icon-${props.iconClass}` : "#icon"; }); const svgClass = computed(() => { return props.className ? "svg-icon " + props.className : "svg-icon"; }); return { iconName, svgClass }; }, }; </script> <style scoped lang="scss"> .svg-icon { width: 1em; height: 1em; vertical-align: -0.15em; fill: currentColor; overflow: hidden; } </style>
3. Create the icons folder in assets
The imgs folder contains an svg folder, containing svg format files, and an index.js file. The content of the file is as follows
// 獲取當(dāng)前目錄所有為.svg的文件 const req = require.context('./svg', false, /\.svg$/) // 解析獲取的.svg文件的文件名稱并返回 const requireAll = (requireContext) =>{ return requireContext.keys().map(requireContext) } requireAll(req)
4. Create vue.config.js under the same level as src Configuration
As summarized in the comment area, if it is in a non-vue-cli4 project and an error is reported in config.module.rules.delete("svg");
, you can try to use config.module.rule("svg").exclude.add(resolve("src/assets/imgs")).end();
Replace this statement
const path = require('path') function resolve(dir) { return path.join(__dirname, '.', dir) } module.exports = { chainWebpack: config => { config.module.rules.delete("svg"); // 重點(diǎn):刪除默認(rèn)配置中處理svg, config.module .rule('svg-sprite-loader') .test(/\.svg$/) .include .add(resolve('src/assets/imgs')) // 處理svg目錄 .end() .use('svg-sprite-loader') .loader('svg-sprite-loader') .options({ symbolId: 'icon-[name]' }) }, };
5. Introduce it into main.js and make some minor modifications
Note here that the component registration is placed in main.js. Otherwise, [Vue warn]: Failed to resolve component: svg-icon will be reported. It is predicted that the parent component has been created first but the child component has not been created yet, leading to the occurrence of this problem.
import { createApp } from 'vue' import App from './App.vue' import router from './router' import store from './store' import '@/assets/icons' const app = createApp(App) import SvgIcon from '@/components/svgIcon' app.component('svg-icon', SvgIcon) app.use(store).use(router).mount('#app')
6. On the page Use
<div class="topLeft"> <svg-icon icon-class="category"></svg-icon> </div> <div class="topCenter"></div> <div class="topRight"> <svg-icon icon-class="search"></svg-icon> </div>
7. File directory structure and its effect display
The above is the detailed content of How to use svg in vue3+vue-cli4. For more information, please follow other related articles on the PHP Chinese website!

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