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版本：2.x

告示

除了基本的 Markdown 语法， 我们还有一种特殊的告示语法。它用 3 个连续的冒号包裹文本，然后紧跟着一个表示其类型的文本标签。

示例：

:::note

Some **content** with _Markdown_ `syntax`. Check [this `api`](#).

:::

:::tip

Some **content** with _Markdown_ `syntax`. Check [this `api`](#).

:::

:::info

Some **content** with _Markdown_ `syntax`. Check [this `api`](#).

:::

:::caution

Some **content** with _Markdown_ `syntax`. Check [this `api`](#).

:::

:::danger

Some **content** with _Markdown_ `syntax`. Check [this `api`](#).

:::
http://localhost:3000
备注

Some content with Markdown syntax. Check this api.

提示

Some content with Markdown syntax. Check this api.

信息

Some content with Markdown syntax. Check this api.

注意

Some content with Markdown syntax. Check this api.

危险

Some content with Markdown syntax. Check this api.

与 Prettier 一起使用​

If you use Prettier to format your Markdown files, Prettier might auto-format your code to invalid admonition syntax. 要避免这个问题，你可以在开始和结束的 ::: 周围空出一行。 这也是为什么我们这里的例子在内容两端都有空行。

<!-- Prettier doesn't change this -->
:::note

Hello world

:::

<!-- Prettier changes this -->
:::note
Hello world
:::

<!-- to this -->
::: note Hello world:::

指定标题​

你也可以为告示提供一个可选的标题。

:::note Your Title

Some **content** with _Markdown_ `syntax`.

:::
http://localhost:3000
Your Title

Some content with Markdown syntax.

在告示中使用 MDX​

你也可以在告示中使用 MDX！

import Tabs from '@theme/Tabs';

import TabItem from '@theme/TabItem';

:::tip

Use tabs in admonitions

<Tabs>
  <TabItem value="apple" label="Apple">This is an apple 🍎</TabItem>
  <TabItem value="orange" label="Orange">This is an orange 🍊</TabItem>
  <TabItem value="banana" label="Banana">This is a banana 🍌</TabItem>
</Tabs>

:::
http://localhost:3000
提示

Use tabs in admonitions

This is an apple 🍎

JSX 中的用法​

Outside of Markdown, you can use the @theme/Admonition component to get the same output.

MyReactPage.jsx
import Admonition from '@theme/Admonition';

export default function MyReactPage() {
  return (
    <div>
      <Admonition type="info">
        <p>Some information</p>
      </Admonition>
    </div>
  );
}

The types that are accepted are the same as above: note, tip, danger, info, caution. 你也可以选择性地以 JSX 元素或者字符串的形式指定一个图标或者一个标题：

MyReactPage.jsx
<Admonition type="tip" icon="💡" title="Did you know...">
  <p>
    Use plugins to introduce shorter syntax for the most commonly used JSX
    elements in your project.
  </p>
</Admonition>
http://localhost:3000
💡Did you know...

Use plugins to introduce shorter syntax for the most commonly used JSX elements in your project.

自定义告示​

There are two kinds of customizations possible with admonitions: parsing and rendering.

自定义渲染行为​

You can customize how each individual admonition type is rendered through swizzling. 一般只需要一个简单的包装组件就可以达到想要的效果。 For example, in the follow example, we swap out the icon for info admonitions only.

src/theme/Admonition.js
import React from 'react';
import Admonition from '@theme-original/Admonition';
import MyIcon from '@site/static/img/info.svg';

export default function AdmonitionWrapper(props) {
  if (props.type !== 'info') {
    return <Admonition {...props} />;
  }
  return <Admonition icon={<MyIcon />} {...props} />;
}

自定义解析行为​

Admonitions are implemented with a Remark plugin. 这个插件被设计为可配置的。 To customize the Remark plugin for a specific content plugin (docs, blog, pages), pass the options through the admonitions key.

docusaurus.config.js
module.exports = {
  presets: [
    [
      '@docusaurus/preset-classic',
      {
        docs: {
          admonitions: {
            tag: ':::',
            keywords: ['note', 'tip', 'info', 'caution', 'danger'],
          },
        },
      },
    ],
  ],
};

插件接受两个选项：

  • tag: The tag that encloses the admonition. Defaults to :::.
  • keywords: An array of keywords that can be used as the type for the admonition. 请注意，如果你覆盖了这个选项，就不会应用默认值。

The keyword will be passed as the type prop of the Admonition component. 如果你注册了默认值之外的类型，你就需要负责提供它们的实现，包括容器的样式、图标、默认标题文本等。 You would usually need to eject the @theme/Admonition component, so you could re-use the same infrastructure as the other types.