1 <!doctype html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <meta name="viewport" 6 content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> 7 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 8 <title>02应用和组件</title> 9 <script src="https://cdn.bootcdn.net/ajax/libs/vue/3.2.40/vue.global.js"></script> 10 </head> 11 <body> 12 <div id = "app"></div> 13 <script> 14 // 创建根组件 15 let app = Vue.createApp({ 16 // 根组件的灵魂 17 data() { 18 return { 19 name: '根组件-父亲', 20 }; 21 }, 22 // 根组件的外表 23 // 引用孩子组件 24 template:`<div>{{name}} - <hz/></div>`, 25 }); 26 27 // 为根组件创建孩子 28 let feature = app.component("hz", { 29 // 孩子组件的灵魂 30 data() { 31 return { 32 name: '儿子', 33 }; 34 }, 35 // 孩子组件的外表 36 template:`<h2 style="background-color: red;color:white">{{name}}</h2>`, 37 }); 38 39 // 挂载后返回的是根组件的实例 40 let vm = app.mount('#app'); 41 console.log(vm.name); // 根组件-父亲 42 43 </script> 44 </body> 45 </html>
标签:02,name,app,vm,let,应用,组件 From: https://www.cnblogs.com/LiuChang-blog/p/16794185.html