npm install classnames --save
import classNames from ‘classnames‘;
const inputCls = classNames({
[styles.input]: true,
[styles.small]: (size === ‘small‘),
[styles.large]: (size === ‘large‘),
[styles.default]: (size === ‘default‘),
});
原文:https://www.cnblogs.com/shiyunfront/p/10273925.html