vue2和vue3引入element组件

vue2安装elementUI

npm安装

npm i element-ui -S

在main.js中引入

import Vue from 'vue';
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
import App from './App.vue';

Vue.use(ElementUI);

new Vue({
  el: '#app',
  render: h => h(App)
});

vue3安装elementPlus

npm安装

npm i element-plus -S

在main.js中引入

import { createApp } from 'vue'
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')