<template> <router-view></router-view> </template> <script> import { getCurrentInstance } from "vue"; export default { name: "App", setup() { const { proxy } = getCurrentInstance(); function change(type) { proxy.$i18n.locale = type; } return { change }; }, data() { return {}; } }; </script> <style rel="stylesheet/scss" lang="scss"> // element-ui警告弹框对移动端优化 @media screen and (max-width: 450px) { .el-message { min-width: 80%; } } </style>