1 命令：
https://www.cnblogs.com/mmit/p/12639011.html
npm i cnpm -g --registry=https://registry.npm.taobao.org cnpm install -g create-react-app create-react-app stu-shop-manager cd stu-shop-manager/ npm start
解决yarn 安装失败：
https://blog.csdn.net/weixin_43876206/article/details/105168644
2 插件下载：
npm i antd npm i create-router-dom yarn add antd yarn i create-router-dom
import {Button} from ‘antd‘
import ‘antd/dist/antd.css‘
原文：https://www.cnblogs.com/hacker-caomei/p/14401287.html