vue3如何引入 katex 插件
时间: 2024-10-14 16:04:41 浏览: 298
在 Vue3 中引入 KaTeX 数学公式插件,你可以按照以下步骤操作:
1. **安装依赖**:
首先,你需要通过 npm 或 yarn 安装 KaTeX 和 Vue 的计算属性绑定插件 `vue-katex`。在命令行中运行:
```
npm install katex @vue/katex --save
或者
yarn add katex @vue/katex
```
2. **配置文件**:
如果你在 `main.js` 或 `setupTS` 等全局脚本中引入,可以这样设置:
```javascript
import { createApp } from 'vue'
import App from './App.vue'
import { useKatex } from '@vue/katex'
// 引入并初始化 KaTeX
const katex = await useKatex()
createApp(App)
.use(katex) // 将 KaTeX 插件挂载到 Vue 实例上
.mount('#app')
```
如果你想让 KaTeX 只在需要的地方生效,可以在组件内导入 `useKatex` 并在 `<template>` 中使用。
3. **在模板中使用**:
使用 `v-katex` 指令插入数学表达式,例如:
```html
<template>
<div>
<span v-katex="{ display: true }">e^{i\pi} + 1 = 0</span>
</div>
</template>
```
这里 `{ display: true }` 表示公式将以块级显示模式渲染。
4. **注意点**:
- `useKatex` 返回的是一个 promise,因为它需要在 DOM 渲染完成后才能正常工作。
- 对于复杂的公式,记得包含 KaTeX 的 CDN 资源:
```html
<script async src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.15.1/katex.min.js" integrity="sha512-yOcI7D+Hh6pGJjXfMf5oUq5tL9rU+yFZg6JQz0B8x0n8vK8PnYF5XlUOweVfIDWwGqHhJZ1U+b5g=="></script>
<script async src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.15.1/contrib/auto-render.min.js" integrity="sha512-bXlMSR1RHzOZjUxVdDav+TLCuZJxHlMQyjE+8dHiUXFnZkjENpHRIm7UG0mazRswp6TY7G9+tuftm+cq==" crossorigin></script>
```
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