消除input框（type="number"）右侧的加减按钮input::-webkit-outer-spin-button,input::-webkit-inner-spin-button {-webkit-appearance: none !important;margin: 0;}

vue-cli4引入element ui按照官网文档按需引入出问题报错，如下可解决问题官方文档链接: element-ui文档安装element uinpm i element-ui -Smain.js引入import ElementUI from 'element-ui'import 'element-ui/lib/theme-chalk/index.css'Vue.use(ElementUI)