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745 lines
13 KiB
Markdown
745 lines
13 KiB
Markdown
---
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title: 扩展
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author: pengzhanbo
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createTime: 2024/03/05 23:29:07
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permalink: /guide/markdown/extensions/
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---
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## 标题锚点
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标题会自动应用锚点。
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#### 自定义锚点
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要为标题指定自定义锚点而不是使用自动生成的锚点,请向标题添加后缀:
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```md
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# 使用自定义锚点 {#my-anchor}
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```
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这允许将标题链接为 `#my-anchor`,而不是默认的 `#使用自定义锚点`。
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## 链接
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内部和外部链接都会被特殊处理。
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主题默认对每个 md 文件自动生成一个新的 链接,并保存在对应的 md 文件的 frontmatter 的 `permalink` 中。
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你可以随时修改它们。
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#### 内部链接
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建议使用 生成的 `permalink` 作为内部链接的目标。
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```md
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[Markdown](/guide/markdown/)
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```
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渲染为:
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[Markdown](/guide/markdown/)
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#### 外部链接
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外部链接带有 `target="_blank" rel="noreferrer"` :
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[VuePress](https://v2.vuepress.vuejs.org/)
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## Github风格的表格
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**输入**
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```md
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| Tables | Are | Cool |
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| ------------- | :-----------: | ----: |
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| col 3 is | right-aligned | $1600 |
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| col 2 is | centered | $12 |
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| zebra stripes | are neat | $1 |
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```
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**输出**
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| Tables | Are | Cool |
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| ------------- | :-----------: | ----: |
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| col 3 is | right-aligned | $1600 |
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| col 2 is | centered | $12 |
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| zebra stripes | are neat | $1 |
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## Emoji :tada:
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**输入**
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```md
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:tada: :100:
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```
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**输出**
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:tada: :100:
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这里可以找到 [所有支持的 emoji 列表](https://github.com/markdown-it/markdown-it-emoji/blob/master/lib/data/full.mjs)。
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## 目录表
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**输入**
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```md
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[[TOC]]
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```
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**输出**
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[[TOC]]
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## 自定义容器
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自定义容器可以通过它们的类型、标题和内容来定义。
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### 默认标题
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**输入**
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```md
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::: note
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This is a note box
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:::
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::: info
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This is an info box.
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:::
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::: tip
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This is a tip.
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:::
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::: warning
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This is a warning.
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:::
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::: caution
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This is a dangerous warning.
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:::
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::: details
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This is a details block.
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:::
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```
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**输出**
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::: note
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This is a note box
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:::
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::: info
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This is an info box.
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:::
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::: tip
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This is a tip.
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:::
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::: warning
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This is a warning.
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:::
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::: caution
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This is a dangerous warning.
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:::
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::: details
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This is a details block.
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:::
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### 自定义标题
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可以通过在容器的 "type" 之后附加文本来设置自定义标题。
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**输入**
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````md
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::: caution STOP
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危险区域,请勿继续
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:::
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::: details 点我查看代码
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```js
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console.log('Hello, VitePress!')
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```
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:::
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````
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**输出**
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::: caution STOP
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危险区域,请勿继续
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:::
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::: details 点我查看代码
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```js
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console.log('Hello, VitePress!')
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```
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:::
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## GitHub 风格的警报
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主题 同样支持以标注的方式渲染 [GitHub 风格的警报](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#alerts)。它们和[自定义容器](#自定义容器)的渲染方式相同。
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**输入**
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```md
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> [!NOTE]
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> 强调用户在快速浏览文档时也不应忽略的重要信息。
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> [!TIP]
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> 有助于用户更顺利达成目标的建议性信息。
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> [!IMPORTANT]
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> 对用户达成目标至关重要的信息。
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> [!WARNING]
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> 因为可能存在风险,所以需要用户立即关注的关键内容。
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> [!CAUTION]
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> 行为可能带来的负面影响。
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```
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**输出**
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> [!NOTE]
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> 强调用户在快速浏览文档时也不应忽略的重要信息。
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> [!TIP]
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> 有助于用户更顺利达成目标的建议性信息。
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> [!IMPORTANT]
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> 对用户达成目标至关重要的信息。
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> [!WARNING]
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> 因为可能存在风险,所以需要用户立即关注的关键内容。
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> [!CAUTION]
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> 行为可能带来的负面影响。
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## 代码块中的语法高亮
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主题 使用 [Shiki](https://github.com/shikijs/shiki) 在 Markdown 代码块中使用彩色文本实现语法高亮。
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Shiki 支持多种编程语言。需要做的就是将有效的语言别名附加到代码块的开头:
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**输入**
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````
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```js
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export default {
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name: 'MyComponent',
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// ...
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}
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```
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````
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````
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```html
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<ul>
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<li v-for="todo in todos" :key="todo.id">
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{{ todo.text }}
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</li>
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</ul>
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```
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````
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**输出**
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```js
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export default {
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name: 'MyComponent',
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// ...
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}
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```
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```html
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<ul>
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<li v-for="todo in todos" :key="todo.id">
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{{ todo.text }}
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</li>
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</ul>
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```
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在 Shiki 的代码仓库中,可以找到 [合法的编程语言列表](https://shiki.style/languages)。
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## 在代码块中实现行高亮
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**输入**
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````
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```js{4}
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export default {
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data () {
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return {
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msg: 'Highlighted!'
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}
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}
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}
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```
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````
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**输出**
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```js{4}
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export default {
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data () {
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return {
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msg: 'Highlighted!'
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}
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}
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}
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```
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除了单行之外,还可以指定多个单行、多行,或两者均指定:
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- 多行:例如 `{5-8}`、`{3-10}`、`{10-17}`
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- 多个单行:例如 `{4,7,9}`
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- 多行与单行:例如 `{4,7-13,16,23-27,40}`
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**输入**
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````
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```js{1,4,6-8}
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export default { // Highlighted
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data () {
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return {
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msg: `Highlighted!
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This line isn't highlighted,
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but this and the next 2 are.`,
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motd: 'VitePress is awesome',
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lorem: 'ipsum'
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}
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}
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}
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```
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````
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**输出**
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```js{1,4,6-8}
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export default { // Highlighted
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data () {
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return {
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msg: `Highlighted!
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This line isn't highlighted,
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but this and the next 2 are.`,
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motd: 'VitePress is awesome',
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lorem: 'ipsum'
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}
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}
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}
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```
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也可以使用 `// [!code highlight]` 注释实现行高亮。
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**输入**
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````
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```js
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export default {
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data () {
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return {
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msg: 'Highlighted!' // [\!code highlight]
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}
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}
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}
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```
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````
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**输出**
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```js
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export default {
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data() {
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return {
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msg: 'Highlighted!' // [!code highlight]
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}
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}
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}
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```
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## 代码块中聚焦
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在某一行上添加 `// [!code focus]` 注释将聚焦它并模糊代码的其他部分。
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此外,可以使用 `// [!code focus:<lines>]` 定义要聚焦的行数。
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**输入**
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````
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```js
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export default {
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data () {
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return {
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msg: 'Focused!' // [\!code focus]
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}
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}
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}
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```
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````
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**输出**
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```js
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export default {
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data() {
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return {
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msg: 'Focused!' // [!code focus]
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}
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}
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}
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```
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## 代码块中的颜色差异
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在某一行添加 `// [!code --]` 或 `// [!code ++]` 注释将会为该行创建 diff,同时保留代码块的颜色。
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**输入**
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````
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```js
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export default {
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data () {
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return {
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msg: 'Removed', // [\!code --]
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msg: 'Added' // [\!code ++]
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}
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}
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}
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```
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````
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**输出**
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```js
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export default {
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data() {
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return {
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msg: 'Removed', // [!code --]
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msg: 'Added' // [!code ++]
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}
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}
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}
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```
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## 高亮“错误”和“警告”
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在某一行添加 `// [!code warning]` 或 `// [!code error]` 注释将会为该行相应的着色。
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**输入**
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````
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```js
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export default {
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data () {
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return {
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msg: 'Error', // [\!code error]
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msg: 'Warning' // [\!code warning]
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}
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}
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}
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```
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````
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**输出**
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```js
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export default {
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data() {
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return {
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msg: 'Error', // [!code error]
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msg: 'Warning' // [!code warning]
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}
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}
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}
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```
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## 代码块中 词高亮
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**输入**
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````
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```ts
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export function foo() { // [\!code word:Hello]
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const msg = 'Hello World'
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console.log(msg) // prints Hello World
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}
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```
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````
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**输出**
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```ts
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export function foo() { // [!code word:Hello]
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const msg = 'Hello World'
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console.log(msg) // prints Hello World
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}
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```
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你还可以指定高亮显示的次数,例如 `[!code word:options:2]` 会高亮显示近两个 `options`。
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**输入**
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````
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```ts
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// [\!code word:options:2]
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const options = { foo: 'bar' }
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options.foo = 'baz'
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console.log(options.foo) // 这个不会被高亮显示
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```
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````
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**输出**
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```ts
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// [!code word:options:2]
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const options = { foo: 'bar' }
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options.foo = 'baz'
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console.log(options.foo) // 这个不会被高亮显示
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```
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## 代码组
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可以像这样对多个代码块进行分组:
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**输入**
|
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````md
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::: code-tabs
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@tab config.js
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```js
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/**
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* @type {import('vuepress').UserConfig}
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*/
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const config = {
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// ..
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}
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export default config
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```
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@tab config.ts
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```ts
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import type { UserConfig } from 'vuepress'
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const config: UserConfig = {
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// ..
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||
}
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||
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export default config
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```
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:::
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````
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**输出**
|
||
|
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::: code-tabs
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@tab config.js
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```js
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/**
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* @type {import('vuepress').UserConfig}
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*/
|
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const config = {
|
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// ..
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||
}
|
||
|
||
export default config
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||
```
|
||
@tab config.ts
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||
```ts
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import type { UserConfig } from 'vuepress'
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||
|
||
const config: UserConfig = {
|
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// ..
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||
}
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||
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export default config
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```
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:::
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你还可以通过 `@tab:active`
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|
||
## 导入代码块
|
||
|
||
**输入**
|
||
|
||
你可以使用下面的语法,从文件中导入代码块:
|
||
|
||
```md
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@[code](../snippet/snippet-1.js)
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```
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**输出**
|
||
|
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@[code](../snippet/snippet-1.js)
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|
||
如果你只想导入这个文件的一部分:
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||
|
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```md
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<!-- 仅导入第 1 行至第 10 行 -->
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@[code{1-10}](../snippet/snippet-1.js)
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```
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|
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代码语言会根据文件扩展名进行推断,但我们建议你显式指定:
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||
|
||
```md
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<!-- 指定代码语言 -->
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@[code js](../snippet/snippet-1.js)
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|
||
<!-- 行高亮 -->
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@[code js{2,4-5}](../foo.js)
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```
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|
||
## 数学方程
|
||
|
||
**输入**
|
||
|
||
````
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When $a \ne 0$, there are two solutions to $(ax^2 + bx + c = 0)$ and they are
|
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$$ x = {-b \pm \sqrt{b^2-4ac} \over 2a} $$
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|
||
**Maxwell's equations:**
|
||
|
||
| equation | description |
|
||
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- |
|
||
| $\nabla \cdot \vec{\mathbf{B}} = 0$ | divergence of $\vec{\mathbf{B}}$ is zero |
|
||
| $\nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} = \vec{\mathbf{0}}$ | curl of $\vec{\mathbf{E}}$ is proportional to the rate of change of $\vec{\mathbf{B}}$ |
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| $\nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} = \frac{4\pi}{c}\vec{\mathbf{j}} \nabla \cdot \vec{\mathbf{E}} = 4 \pi \rho$ | _wha?_ |
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````
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**输出**
|
||
|
||
When $a \ne 0$, there are two solutions to $(ax^2 + bx + c = 0)$ and they are
|
||
$$ x = {-b \pm \sqrt{b^2-4ac} \over 2a} $$
|
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|
||
**Maxwell's equations:**
|
||
|
||
| equation | description |
|
||
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- |
|
||
| $\nabla \cdot \vec{\mathbf{B}} = 0$ | divergence of $\vec{\mathbf{B}}$ is zero |
|
||
| $\nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} = \vec{\mathbf{0}}$ | curl of $\vec{\mathbf{E}}$ is proportional to the rate of change of $\vec{\mathbf{B}}$ |
|
||
| $\nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} = \frac{4\pi}{c}\vec{\mathbf{j}} \nabla \cdot \vec{\mathbf{E}} = 4 \pi \rho$ | _wha?_ |
|
||
|
||
## 标记
|
||
|
||
使用 `== ==` 进行标记。请注意两边需要有空格。
|
||
|
||
**输入**
|
||
|
||
```md
|
||
vuepress-theme-plume 是一个 ==简洁美观== 的 主题
|
||
```
|
||
|
||
**输出**
|
||
|
||
vuepress-theme-plume 是一个 ==简洁美观== 的 主题
|
||
|
||
## 上下角标
|
||
|
||
- 使用 `^ ^` 进行上角标标注。
|
||
- 使用 `~ ~` 进行下角标标注。
|
||
|
||
**输入**
|
||
|
||
```md
|
||
- 19^th^
|
||
- H~2~O
|
||
```
|
||
|
||
**输出**
|
||
|
||
- 19^th^
|
||
- H~2~O
|
||
|
||
## 自定义对齐
|
||
|
||
**输入**
|
||
|
||
````md
|
||
::: left
|
||
左对齐的内容
|
||
:::
|
||
|
||
::: center
|
||
居中的内容
|
||
:::
|
||
|
||
::: right
|
||
右对齐的内容
|
||
:::
|
||
````
|
||
|
||
**输出**
|
||
|
||
::: left
|
||
左对齐的内容
|
||
:::
|
||
|
||
::: center
|
||
居中的内容
|
||
:::
|
||
|
||
::: right
|
||
右对齐的内容
|
||
:::
|
||
|
||
## 属性支持
|
||
|
||
你可以使用特殊标记为 Markdown 元素添加属性。
|
||
|
||
**为图片添加属性**
|
||
|
||
这将为图片添加 一个 名为 `full-width` 的 class 属性,以及一个 `width` 属性,值为 `100%`。
|
||
```md
|
||
{.full-width width="100%"}
|
||
```
|
||
|
||
同时也支持其他属性:
|
||
|
||
```md
|
||
一个包含文字的段落。 {#p .a .b align=center customize-attr="content with spaces"}
|
||
```
|
||
|
||
这将被渲染为:
|
||
|
||
```html
|
||
<p id="p" class="a b" align="center" customize-attr="content with spaces">
|
||
一个包含文字的段落。
|
||
</p>
|
||
```
|
||
|
||
## 任务列表
|
||
|
||
**输入**
|
||
|
||
````md
|
||
- [ ] 任务 1
|
||
- [x] 任务 2
|
||
- [ ] 任务 3
|
||
````
|
||
|
||
**输出**
|
||
|
||
- [ ] 任务 1
|
||
- [x] 任务 2
|
||
- [ ] 任务 3
|
||
|
||
## 脚注
|
||
|
||
**输入**
|
||
|
||
````md
|
||
人生自古谁无死,留取丹心照汗青[^脚注1]。
|
||
|
||
[^脚注1]: 出自 宋·文天祥 **《过零丁洋》**
|
||
````
|
||
|
||
**输出**
|
||
|
||
人生自古谁无死,留取丹心照汗青[^脚注1]。
|
||
|
||
[^脚注1]: 出自 宋·文天祥 **《过零丁洋》**
|