src

App.vue

<template>
  <div>
		<button>原生的按钮</button>
		<input type="text">
		<atguigu-row>
			<el-button>默认按钮</el-button>
			<el-button type="primary">主要按钮</el-button>
			<el-button type="success">成功按钮</el-button>
			<el-button type="info">信息按钮</el-button>
			<el-button type="warning">警告按钮</el-button>
			<el-button type="danger">危险按钮</el-button>
		</atguigu-row>
		<atguigu-date-picker
      type="date"
      placeholder="选择日期">
    </atguigu-date-picker>
		<atguigu-row>
			<el-button icon="el-icon-search" circle></el-button>
			<el-button type="primary" icon="el-icon-s-check" circle></el-button>
			<el-button type="success" icon="el-icon-check" circle></el-button>
			<el-button type="info" icon="el-icon-message" circle></el-button>
			<el-button type="warning" icon="el-icon-star-off" circle></el-button>
			<el-button type="danger" icon="el-icon-delete" circle></el-button>
		</atguigu-row>
  </div>
</template>

<script>
	export default {
		name:'App',
	}
</script>

main.js

//引入Vue
import Vue from 'vue'
//引入App
import App from './App.vue'

//完整引入
//引入ElementUI组件库
// import ElementUI from 'element-ui';
//引入ElementUI全部样式
// import 'element-ui/lib/theme-chalk/index.css';

//按需引入
import { Button,Row,DatePicker } from 'element-ui';

//关闭Vue的生产提示
Vue.config.productionTip = false

//应用ElementUI
// Vue.use(ElementUI);
Vue.component('atguigu-button', Button);
Vue.component('atguigu-row', Row);
Vue.component('atguigu-date-picker', DatePicker);

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

babel.config.js

module.exports = {
  presets: [
    '@vue/cli-plugin-babel/preset',
		["@babel/preset-env", { "modules": false }],
  ],
	plugins:[
    [
      "component",
      {
        "libraryName": "element-ui",
        "styleLibraryName": "theme-chalk"
      }
    ]
  ]
}