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代码高亮 ​

使用 highlightjs 可以快速实现代码高亮。

image-20221015213458907

首先安装扩展

pnpm add highlight.js

pnpm add -D @types/highlight.js

vue ​

下面介绍在 Vue3 中使用代码高亮

  • 下面使用了第三方组件 v-md-preview ，用于将markdown解析为html，当然你也可以选择其他方式解析
<script setup lang="ts">
import VMdPreview from '@kangc/v-md-editor/lib/preview'
import hljs from 'highlight.js'
import 'highlight.js/styles/atom-one-dark.css'
import '/public/css/github.css'

onMounted(() => {
  hljs.highlightAll()
})
const { text } = defineProps<{
  text: string
}>()
</script>

<template>
  <v-md-preview :text="text"/>
</template>

<style lang="scss">
:deep(.github-markdown-body) {
  @apply p-0;
}
</style>

然后在创建文件 public/css/github.css 内容如下

:root {
  --side-bar-bg-color: #fafafa;
  --control-text-color: #777;
}

@include-when-export url(https://fonts.loli.net/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext);

/* open-sans-regular - latin-ext_latin */
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: normal;
  src: local('Open Sans Regular'), local('OpenSans-Regular'),
    url('./github/open-sans-v17-latin-ext_latin-regular.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC,
    U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* open-sans-italic - latin-ext_latin */
@font-face {
  font-family: 'Open Sans';
  font-style: italic;
  font-weight: normal;
  src: local('Open Sans Italic'), local('OpenSans-Italic'),
    url('./github/open-sans-v17-latin-ext_latin-italic.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC,
    U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* open-sans-700 - latin-ext_latin */
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: bold;
  src: local('Open Sans Bold'), local('OpenSans-Bold'),
    url('./github/open-sans-v17-latin-ext_latin-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC,
    U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* open-sans-700italic - latin-ext_latin */
@font-face {
  font-family: 'Open Sans';
  font-style: italic;
  font-weight: bold;
  src: local('Open Sans Bold Italic'), local('OpenSans-BoldItalic'),
    url('./github/open-sans-v17-latin-ext_latin-700italic.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC,
    U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;
  color: rgb(51, 51, 51);
  line-height: 1.6;
}

#write {
  max-width: 860px;
  margin: 0 auto;
  padding: 30px;
  padding-bottom: 100px;
}

@media only screen and (min-width: 1400px) {
  #write {
    max-width: 1024px;
  }
}

@media only screen and (min-width: 1800px) {
  #write {
    max-width: 1200px;
  }
}

#write > ul:first-child,
#write > ol:first-child {
  margin-top: 30px;
}

a {
  color: #4183c4;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  position: relative;
  margin-top: 1rem;
  margin-bottom: 1rem;
  font-weight: bold;
  line-height: 1.4;
  cursor: text;
}
h1:hover a.anchor,
h2:hover a.anchor,
h3:hover a.anchor,
h4:hover a.anchor,
h5:hover a.anchor,
h6:hover a.anchor {
  text-decoration: none;
}
h1 tt,
h1 code {
  font-size: inherit;
}
h2 tt,
h2 code {
  font-size: inherit;
}
h3 tt,
h3 code {
  font-size: inherit;
}
h4 tt,
h4 code {
  font-size: inherit;
}
h5 tt,
h5 code {
  font-size: inherit;
}
h6 tt,
h6 code {
  font-size: inherit;
}
h1 {
  font-size: 2.25em;
  line-height: 1.2;
}
h2 {
  font-size: 1.75em;
  line-height: 1.225;
}

h3 {
  font-size: 1.5em;
  line-height: 1.43;
}
h4 {
  font-size: 1.25em;
}
h5 {
  font-size: 1em;
}
h6 {
  font-size: 1em;
  color: #777;
}
p,
blockquote,
ul,
ol,
dl,
table {
  margin: 0.8em 0;
}
li > ol,
li > ul {
  margin: 0 0;
}
hr {
  height: 2px;
  padding: 0;
  margin: 16px 0;
  background-color: #e7e7e7;
  border: 0 none;
  overflow: hidden;
  box-sizing: content-box;
}

li p.first {
  display: inline-block;
}
ul,
ol {
  padding-left: 30px;
}
ul:first-child,
ol:first-child {
  margin-top: 0;
}
ul:last-child,
ol:last-child {
  margin-bottom: 0;
}
blockquote {
  border-left: 4px solid #dfe2e5;
  padding: 0 15px;
  color: #777777;
}
blockquote blockquote {
  padding-right: 0;
}
table {
  padding: 0;
  word-break: initial;
}
table tr {
  border: 1px solid #dfe2e5;
  margin: 0;
  padding: 0;
}
table tr:nth-child(2n),
thead {
  background-color: #f8f8f8;
}
table th {
  font-weight: bold;
  border: 1px solid #dfe2e5;
  border-bottom: 0;
  margin: 0;
  padding: 6px 13px;
}
table td {
  border: 1px solid #dfe2e5;
  margin: 0;
  padding: 6px 13px;
}
table th:first-child,
table td:first-child {
  margin-top: 0;
}
table th:last-child,
table td:last-child {
  margin-bottom: 0;
}

.CodeMirror-lines {
  padding-left: 4px;
}

.code-tooltip {
  box-shadow: 0 1px 1px 0 rgba(0, 28, 36, 0.3);
  border-top: 1px solid #eef2f2;
}

.md-fences,
code,
tt {
  border: 1px solid #e7eaed;
  background-color: #f8f8f8;
  border-radius: 3px;
  padding: 0;
  padding: 2px 4px 0px 4px;
  font-size: 0.9em;
}

code {
  background-color: #f3f4f4;
  padding: 0 2px 0 2px;
}

.md-fences {
  margin-bottom: 15px;
  margin-top: 15px;
  padding-top: 8px;
  padding-bottom: 6px;
}

.md-task-list-item > input {
  margin-left: -1.3em;
}

@media print {
  html {
    font-size: 13px;
  }
  pre {
    page-break-inside: avoid;
    word-wrap: break-word;
  }
}

.md-fences {
  background-color: #f8f8f8;
}
#write pre.md-meta-block {
  padding: 1rem;
  font-size: 85%;
  line-height: 1.45;
  background-color: #f7f7f7;
  border: 0;
  border-radius: 3px;
  color: #777777;
  margin-top: 0 !important;
}

.mathjax-block > .code-tooltip {
  bottom: 0.375rem;
}

.md-mathjax-midline {
  background: #fafafa;
}

#write > h3.md-focus:before {
  left: -1.5625rem;
  top: 0.375rem;
}
#write > h4.md-focus:before {
  left: -1.5625rem;
  top: 0.285714286rem;
}
#write > h5.md-focus:before {
  left: -1.5625rem;
  top: 0.285714286rem;
}
#write > h6.md-focus:before {
  left: -1.5625rem;
  top: 0.285714286rem;
}
.md-image > .md-meta {
  /*border: 1px solid #ddd;*/
  border-radius: 3px;
  padding: 2px 0px 0px 4px;
  font-size: 0.9em;
  color: inherit;
}

.md-tag {
  color: #a7a7a7;
  opacity: 1;
}

.md-toc {
  margin-top: 20px;
  padding-bottom: 20px;
}

.sidebar-tabs {
  border-bottom: none;
}

#typora-quick-open {
  border: 1px solid #ddd;
  background-color: #f8f8f8;
}

#typora-quick-open-item {
  background-color: #fafafa;
  border-color: #fefefe #e5e5e5 #e5e5e5 #eee;
  border-style: solid;
  border-width: 1px;
}

/** focus mode */
.on-focus-mode blockquote {
  border-left-color: rgba(85, 85, 85, 0.12);
}

header,
.context-menu,
.megamenu-content,
footer {
  font-family: 'Segoe UI', 'Arial', sans-serif;
}

.file-node-content:hover .file-node-icon,
.file-node-content:hover .file-node-open-state {
  visibility: visible;
}

.mac-seamless-mode #typora-sidebar {
  background-color: #fafafa;
  background-color: var(--side-bar-bg-color);
}

.md-lang {
  color: #b4654d;
}

/*.html-for-mac {
    --item-hover-bg-color: #E6F0FE;
}*/

#md-notification .btn {
  border: 0;
}

.dropdown-menu .divider {
  border-color: #e5e5e5;
  opacity: 0.4;
}

.ty-preferences .window-content {
  background-color: #fafafa;
}

.ty-preferences .nav-group-item.active {
  color: white;
  background: #999;
}

.menu-item-container a.menu-style-btn {
  background-color: #f5f8fa;
  background-image: linear-gradient(180deg, hsla(0, 0%, 100%, 0.8), hsla(0, 0%, 100%, 0));
}

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