Element Plus是基于vue3的UI框架
官网

https://element-plus.gitee.io/zh-CN/

安装

cnpm install element-plus --save

查看package.json

导入
在main.js中加入

import ElementPlus from 'element-plus'
import 'element-plus/dist/index.css'

app.use(ElementPlus)

main.js

import { createApp } from 'vue'
import ElementPlus from 'element-plus'
import 'element-plus/dist/index.css'
import App from './App.vue'
import './index.css'
import router from './router.js'//引入router

const app = createApp(App)
app.use(router);
app.use(ElementPlus)
app.mount('#app')

之后就能使用了

如App.vue

<template>
  <div>
    <el-button type="primary">Primary</el-button>
  </div>
</template>