成大事不在于力量的大小，而在于能坚持多久。

Vue 两种首页加载等待动画，避免首次加载白屏时间过长

先看效果：

第一种：

 

 

 

 第二种：

代码如下

注意：代码需要在index.html 中书写

第一种效果

<!DOCTYPE html>
<html lang="en">
<head>
  <style type="text/css">
    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;
      width: 100%;
      height: 100%;
      z-index: 999999;
    }
    #loader {
      display: block;
      position: relative;
      left: 50%;
      top: 50%;
      width: 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;
      width: 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;
      width: 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 <%= htmlWebpackPlugin.options.title %> doesn't work properly without 
      Please enable it to continue.</strong>
  </noscript>

  <div id="app">
  //在<div id="app"> 里面加入下列代码
    <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">正在加载系统,请耐心等待
        <br>
        <span>V1.3</span>
      </div>
    </div>
  </div>
</body>

</html>

第二种效果代码

<!DOCTYPE html>
<html lang="en">
<head>
  <style type="text/css">
   .first-loading-wrp {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 90vh;
      min-height: 90vh;
    }

    .first-loading-wrp>h1 {
      font-size: 30px;
      font-weight: bolder;
    }

    .first-loading-wrp .loading-wrp {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 98px;
    }

    .dot {
      position: relative;
      box-sizing: border-box;
      display: inline-block;
      width: 64px;
      height: 64px;
      font-size: 64px;
      transform: rotate(45deg);
      animation: antRotate 1.2s infinite linear;
    }

    .dot i {
      position: absolute;
      display: block;
      width: 28px;
      height: 28px;
      background-color: #1890ff;
      border-radius: 100%;
      opacity: 0.3;
      transform: scale(0.75);
      transform-origin: 50% 50%;
      animation: antSpinMove 1s infinite linear alternate;
    }

    .dot i:nth-child(1) {
      top: 0;
      left: 0;
    }

    .dot i:nth-child(2) {
      top: 0;
      right: 0;
      -webkit-animation-delay: 0.4s;
      animation-delay: 0.4s;
    }

    .dot i:nth-child(3) {
      right: 0;
      bottom: 0;
      -webkit-animation-delay: 0.8s;
      animation-delay: 0.8s;
    }

    .dot i:nth-child(4) {
      bottom: 0;
      left: 0;
      -webkit-animation-delay: 1.2s;
      animation-delay: 1.2s;
    }

    @keyframes antRotate {
      to {
        -webkit-transform: rotate(405deg);
        transform: rotate(405deg);
      }
    }

    @-webkit-keyframes antRotate {
      to {
        -webkit-transform: rotate(405deg);
        transform: rotate(405deg);
      }
    }

    @keyframes antSpinMove {
      to {
        opacity: 1;
      }
    }

    @-webkit-keyframes antSpinMove {
      to {
        opacity: 1;
      }
    }
  </style>

</head>

<body>
  <noscript>
    <strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled.
      Please enable it to continue.</strong>
  </noscript>

  <div id="app">
  //在<div id="app"> 里面加入下列代码
    <div class="first-loading-wrp">
      <div class="loading-wrp">
        <span class="dot dot-spin">
          <i></i>
          <i></i>
          <i></i>
          <i></i>
        </span>
      </div>
      <h2>努力加载中...</h2>
  </div>
</body>

</html>

　　

 

posted @ 2021-01-29 17:54  雪绒花1124  阅读(1241)  评论(0)    收藏  举报