<!DOCTYPE html> <html lang="zh"> <head> <title></title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <script src="https://unpkg.com/vue/dist/vue.js"></script> <link href="../css/style.css" rel="stylesheet"> </head> <body> <div id="myApp"> <runoob>哈哈</runoob> </div> <script> // 先注册component Vue.component('runoob', { template: '<h2>自定义组件!</h2>' }) // 然后实例化一个vue对象 var myApp = new Vue({ el: '#myApp', data: { }, }); </script> </body> </html>