ant-design/components/input/demo/size.md

order	title
1	[{zh-CN 三种大小} {en-US Three sizes of Input}]

zh-CN

我们为 <Input /> 输入框定义了三种尺寸（大、默认、小），高度分别为 40px、32px 和 24px。

en-US

There are three sizes of an Input box: large (40px), default (32px) and small (24px).

import { UserOutlined } from '@ant-design/icons';
import { Input } from 'antd';
import React from 'react';

const App: React.FC = () => (
  <>
    <Input size="large" placeholder="large size" prefix={<UserOutlined />} />
    <br />
    <br />
    <Input placeholder="default size" prefix={<UserOutlined />} />
    <br />
    <br />
    <Input size="small" placeholder="small size" prefix={<UserOutlined />} />
  </>
);

export default App;