1. 第一步：安裝 npm install element-plus --save

2. 第二步：在main.js文件夾上引入

import { createApp } from 'vue'
import './style.css'
import ElementPlus from 'element-plus'
import 'element-plus/dist/index.css'
import App from './App.vue'const app = createApp(App)app.use(ElementPlus)
app.mount('#app')

第三步：測試

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