---
order: 0
title:
zh-CN: 基本
en-US: Basic
---
## zh-CN
最简单的用法。
## en-US
The simplest usage.
```tsx
import React, { useState } from 'react';
import { Affix, Button } from 'antd';
const Demo: React.FC = () => {
const [top, setTop] = useState(10);
const [bottom, setBottom] = useState(10);
return (
<>
>
);
};
ReactDOM.render(, mountNode);
```