1.在入口文件index.html中加入loading动画： <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="renderer" content="webkit|ie-comp|ie-stand"> <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"> <!--浏览器兼容模式用最新的文档渲染模式--> <meta http-equiv="X-UA-Compatible" content ="IE=edge"/> <title></title> <style type="text/css"> #Loading { top:50%; left:50%; position: absolute; -webkit-transform: translateY(-50%) translateX(-50%); transform: translateY(-50%) translateX(-50%); z-index:100; } @-webkit-keyframes ball-beat { 50% { opacity: 0.2; -webkit-transform: scale(0.75); transform: scale(0.75); } 100% { opacity: 1; -webkit-transform: scale(1); transform: scale(1); } } @keyframes ball-beat { 50% { opacity: 0.2; -webkit-transform: scale(0.75); transform: scale(0.75); } 100% { opacity: 1; -webkit-transform: scale(1); transform: scale(1); } } .ball-beat > div { background-color: #279fcf; width: 15px; height: 15px; border-radius: 100% !important; margin: 2px; -webkit-animation-fill-mode: both; animation-fill-mode: both; display: inline-block; -webkit-animation: ball-beat 0.7s 0s infinite linear; animation: ball-beat 0.7s 0s infinite linear; } .ball-beat > div:nth-child(2n-1) { -webkit-animation-delay: 0.35s !important; animation-delay: 0.35s !important; } </style> </head> <body> <div id="Loading"> <div class="loader-inner ball-beat"> <div></div> <div></div> <div></div> </div> </div> <div id="app"></div> <!-- built files will be auto injected --> </body> </html> 2.在app.vue的created方法中： created() { document.body.removeChild(document.getElementById('Loading')) }效果如下： 