• 首屏加载优化代码


    <!DOCTYPE html>
    <html lang="en">
      <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0">
        <meta name="apple-mobile-web-app-capable" content="yes">
        <meta name="apple-mobile-web-app-status-bar-style" content="black">
        <meta name="format-detection" content="telephone=no">
        <meta http-equiv="X-UA-Compatible" content="chrome=1" />
        <link rel="icon" href="<%= BASE_URL %>favicon.ico">
        <link rel="stylesheet" href="<%= BASE_URL %>cdn/element-ui/2.5.4/theme-chalk/index.css">
        <link rel="stylesheet" href="<%= BASE_URL %>cdn/animate/3.5.2/animate.css">
        <link rel="stylesheet" href="<%= BASE_URL %>cdn/iconfont/1.0.0/index.css">
        <link rel="stylesheet" href="<%= BASE_URL %>cdn/iconfont/1.0.0/iconfont.css">
        <link rel="stylesheet" href="<%= BASE_URL %>cdn/iconfont/1.0.0/index.css">
        <title>vue-demo</title>
        
       <style>
         html,
         body,
         #app {
           height: 100%;
           margin: 0px;
           padding: 0px;
         }
    
         .chromeframe {
           margin: 0.2em 0;
           background: #ccc;
           color: #000;
           padding: 0.2em 0;
         }
    
         #loader-wrapper {
           position: fixed;
           top: 0;
           left: 0;
            100%;
           height: 100%;
           z-index: 999999;
         }
    
         #loader {
           display: block;
           position: relative;
           left: 50%;
           top: 50%;
            150px;
           height: 150px;
           margin: -75px 0 0 -75px;
           border-radius: 50%;
           border: 3px solid transparent;
           /* COLOR 1 */
           border-top-color: #FFF;
           -webkit-animation: spin 2s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -ms-animation: spin 2s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -moz-animation: spin 2s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -o-animation: spin 2s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           animation: spin 2s linear infinite;
           /* Chrome, Firefox 16+, IE 10+, Opera */
           z-index: 1001;
         }
    
         #loader:before {
           content: "";
           position: absolute;
           top: 5px;
           left: 5px;
           right: 5px;
           bottom: 5px;
           border-radius: 50%;
           border: 3px solid transparent;
           /* COLOR 2 */
           border-top-color: #FFF;
           -webkit-animation: spin 3s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -moz-animation: spin 3s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -o-animation: spin 3s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -ms-animation: spin 3s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           animation: spin 3s linear infinite;
           /* Chrome, Firefox 16+, IE 10+, Opera */
         }
    
         #loader:after {
           content: "";
           position: absolute;
           top: 15px;
           left: 15px;
           right: 15px;
           bottom: 15px;
           border-radius: 50%;
           border: 3px solid transparent;
           border-top-color: #FFF;
           /* COLOR 3 */
           -moz-animation: spin 1.5s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -o-animation: spin 1.5s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -ms-animation: spin 1.5s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           -webkit-animation: spin 1.5s linear infinite;
           /* Chrome, Opera 15+, Safari 5+ */
           animation: spin 1.5s linear infinite;
           /* Chrome, Firefox 16+, IE 10+, Opera */
         }
    
         @-webkit-keyframes spin {
           0% {
             -webkit-transform: rotate(0deg);
             /* Chrome, Opera 15+, Safari 3.1+ */
             -ms-transform: rotate(0deg);
             /* IE 9 */
             transform: rotate(0deg);
             /* Firefox 16+, IE 10+, Opera */
           }
    
           100% {
             -webkit-transform: rotate(360deg);
             /* Chrome, Opera 15+, Safari 3.1+ */
             -ms-transform: rotate(360deg);
             /* IE 9 */
             transform: rotate(360deg);
             /* Firefox 16+, IE 10+, Opera */
           }
         }
    
         @keyframes spin {
           0% {
             -webkit-transform: rotate(0deg);
             /* Chrome, Opera 15+, Safari 3.1+ */
             -ms-transform: rotate(0deg);
             /* IE 9 */
             transform: rotate(0deg);
             /* Firefox 16+, IE 10+, Opera */
           }
    
           100% {
             -webkit-transform: rotate(360deg);
             /* Chrome, Opera 15+, Safari 3.1+ */
             -ms-transform: rotate(360deg);
             /* IE 9 */
             transform: rotate(360deg);
             /* Firefox 16+, IE 10+, Opera */
           }
         }
    
         #loader-wrapper .loader-section {
           position: fixed;
           top: 0;
            51%;
           height: 100%;
           background: #7171C6;
           /* Old browsers */
           z-index: 1000;
           -webkit-transform: translateX(0);
           /* Chrome, Opera 15+, Safari 3.1+ */
           -ms-transform: translateX(0);
           /* IE 9 */
           transform: translateX(0);
           /* Firefox 16+, IE 10+, Opera */
         }
    
         #loader-wrapper .loader-section.section-left {
           left: 0;
         }
    
         #loader-wrapper .loader-section.section-right {
           right: 0;
         }
    
         /* Loaded */
         .loaded #loader-wrapper .loader-section.section-left {
           -webkit-transform: translateX(-100%);
           /* Chrome, Opera 15+, Safari 3.1+ */
           -ms-transform: translateX(-100%);
           /* IE 9 */
           transform: translateX(-100%);
           /* Firefox 16+, IE 10+, Opera */
           -webkit-transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);
           transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);
         }
    
         .loaded #loader-wrapper .loader-section.section-right {
           -webkit-transform: translateX(100%);
           /* Chrome, Opera 15+, Safari 3.1+ */
           -ms-transform: translateX(100%);
           /* IE 9 */
           transform: translateX(100%);
           /* Firefox 16+, IE 10+, Opera */
           -webkit-transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);
           transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);
         }
    
         .loaded #loader {
           opacity: 0;
           -webkit-transition: all 0.3s ease-out;
           transition: all 0.3s ease-out;
         }
    
         .loaded #loader-wrapper {
           visibility: hidden;
           -webkit-transform: translateY(-100%);
           /* Chrome, Opera 15+, Safari 3.1+ */
           -ms-transform: translateY(-100%);
           /* IE 9 */
           transform: translateY(-100%);
           /* Firefox 16+, IE 10+, Opera */
           -webkit-transition: all 0.3s 1s ease-out;
           transition: all 0.3s 1s ease-out;
         }
    
         /* JavaScript Turned Off */
         .no-js #loader-wrapper {
           display: none;
         }
    
         .no-js h1 {
           color: #222222;
         }
    
         #loader-wrapper .load_title {
           font-family: 'Open Sans';
           color: #FFF;
           font-size: 19px;
            100%;
           text-align: center;
           z-index: 9999999999999;
           position: absolute;
           top: 60%;
           opacity: 1;
           line-height: 30px;
         }
    
         #loader-wrapper .load_title span {
           font-weight: normal;
           font-style: italic;
           font-size: 13px;
           color: #FFF;
           opacity: 0.5;
         }
       </style>
        
      </head>
      <body>
        <noscript>
          <strong>We're sorry but vue-demo doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
        </noscript>
        
        <div id="app">
          <div id="loader-wrapper">
            <div id="loader"></div>
            <div class="loader-section section-left"></div>
            <div class="loader-section section-right"></div>
            <div class="load_title">正在加载 vue,请耐心等待
              <br>
              <span>V1.3</span>
            </div>
          </div>
        </div>
    
        <!-- built files will be auto injected -->
        <script src="<%= BASE_URL %>cdn/vue/2.5.2/vue.min.js" charset="utf-8"></script>
        <script src="<%= BASE_URL %>cdn/vuex/2.4.1/vuex.min.js" charset="utf-8"></script>
        <script src="<%= BASE_URL %>cdn/vue-router/3.0.1/vue-router.min.js" charset="utf-8"></script>
        <script src="<%= BASE_URL %>cdn/axios/1.0.0/axios.min.js" charset="utf-8"></script>
        <script src="<%= BASE_URL %>cdn/element-ui/2.5.4/index.js" charset="utf-8"></script>
      </body>
    
    </html>
    

      

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  • 原文地址:https://www.cnblogs.com/objectjj/p/11093056.html
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