安装mqtt:
 “mqtt”: “^4.3.7”,
 npm install
git panjiacheng 后台demo下载zip
 1、npm install --registry=https://registry.npmmirror.com
 2、npm run dev
前端demo创建
 1、安装npm
 2、npm install vue@next
 3、npm install -g @vue/cli
 查看版本 vue --version
 4、更新插件 vue upgrade --next
 5、 Command vue init requires a global addon to be installed.
 Please run npm i -g @vue/cli-init and try again.
 6、使用 vue init webpack命令创建一个项目(项目名不能用大写字母):vue init webpack design-system
 7、初始化选项:
 ? Project name design-system
 ? Project description A Vue.js project
 ? Author gegewu
 ? Vue build standalone
 ? Install vue-router? Yes
 ? Use ESLint to lint your code? No
 ? Set up unit tests No
 ? Setup e2e tests with Nightwatch? No
 ? Should we run npm install for you after the project has been created? (recommended) npm
 8、cd design-system
 npm run dev
参考链接:
 Vue创建Demo项目:https://blog.csdn.net/weixin_41924879/article/details/128828854
 webpack初始化项目参数详解:https://blog.csdn.net/qq_31754523/article/details/99622172