本文转载自Leonus，记录标签外挂相关语法，方便后续使用，原文见下链接。

Leonus
进一寸有进一寸的欢喜。

前言

在使用语雀写文章的时候发现这个链接卡片挺好看，决定借鉴一下。考虑到全自动生成卡片稍微复杂，且有时候不想使用这种样式，所以标签外挂最为合适。样式如上链接。

源码

link.js

在 \themes\butterfly\scripts\tag 文件夹下面新建 link.js 并粘贴如下代码：

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/**
 * link
 * {% link url,title,favicon,desc %}
 * {% link 链接,标题,图标,介绍 %}
 */

'use strict'

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219.776l-12.672-27.136c-1.536-3.2-5.248-4.608-8.448-3.072-3.2 1.536-4.608 5.248-3.072 8.448L364.8 225.28c1.536 3.2 5.248 4.608 8.448 3.072 3.2-1.536 4.608-5.376 3.2-8.576zM316.416 253.824c2.048 2.944 6.016 3.584 8.832 1.536 2.944-2.048 3.584-6.016 1.536-8.832l-17.152-24.448c-2.048-2.944-6.016-3.584-8.832-1.536-2.944 2.048-3.584 6.016-1.536 8.832l17.152 24.448z" fill="#FFFFFF" p-id="19071"></path></svg>'

function link(args) {
    args = args.join(' ').split(',');
    // 获取参数
    let url = (args[0] || '').trim(),
        title = (args[1] || '点击直达链接').trim(),
        favicon = (args[2] ? `<img src="${args[2]}" class="no-lightbox">` : defaultIcon).trim(),
        desc = (args[3] || '').trim()

    return `<a href="${url}" ${url.includes('http')?'target="_blank"':''} title="${title}" referrerPolicy="no-referrer" class="link_card"><div class="link_icon">${favicon}</div><div class="link_content"><div class="link_title">${title}</div>${desc?`<div class="link_desc">${desc}</div>`:''}</div></a>`
}

hexo.extend.tag.register('link', link, { ends: false })

link.styl

在 \themes\butterfly\source\css_tags 文件夹下面新建 link.styl 并粘贴如下代码：

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.link_card
  display: flex
  margin: 10px 0
  color: var(--font-color) !important
  text-decoration: none !important
  background: var(--reward-pop)
  border-radius: 10px
  padding: 12px
  &:hover
    background: #4976f5
    color: white !important
  .link_icon,.link_content
    height: 4rem
  .link_icon
    img,svg
      height: 4rem
      width: 4rem
  .link_content
    margin-left: 1rem
    width: calc(100% - 6rem)
    overflow: hidden
    line-height: 1.5
    display: flex
    flex-direction: column
    justify-content: center
    .link_title
      font-weight: bold
      font-size: 1.2rem
    .link_title,.link_desc
      word-break: break-all
      overflow:hidden
      text-overflow: ellipsis
    &:not(:has(.link_desc)) .link_title
      display:-webkit-box
      -webkit-box-orient:vertical
      -webkit-line-clamp:2
    .link_desc
      opacity: .6
    .link_desc,&:has(.link_desc) .link_title
      white-space: nowrap

参数

注意：内容不能有英文逗号，不然会出bug

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<!-- 使用html是为了高亮代码，不必在意 -->
<!-- 参数如下： -->
{% link 链接,标题,图标,介绍 %}
<!-- 示例如下： -->
{% link https://blog.leonus.cn/,Leonus,https://blog.leonus.cn/favicon.ico,进一寸有进一寸的欢喜。 %}
<!-- 你也可以什么都不填，将会全部使用默认值，如下： -->
{% card %}
<!-- 你也可以省略部分内容，如下： -->
{% link https://blog.leonus.cn/ %}
<!-- 位置在后面的参数不填的话可以直接省略，但是如果中间的不想填必须留空，如下： -->
{% link https://blog.leonus.cn/,,,进一寸有进一寸的欢喜。 %}
参数描述默认值
链接如果连接中包含http则新标签打开，否则本标签页打开无
标题网站的标题点击直达链接
图标网站favicon链接
介绍网站的description无