--- 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, FC } from 'react'; import { Affix, Button } from 'antd'; const Demo: FC = () => { const [top, setTop] = useState(10); const [bottom, setBottom] = useState(10); return (