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

order	title
1	zh-CN en-US 三种大小 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 { Input } from 'antd';

ReactDOM.render(
  <div className="example-input">
    <Input size="large" placeholder="large size" />
    <Input placeholder="default size" />
    <Input size="small" placeholder="small size" />
  </div>,
  mountNode
);

.example-input .ant-input {
  width: 200px;
  margin: 0 8px 8px 0;
}