Vue2.x 首屏添加loading效果

Vue项目首屏加载添加Loading效果, 在Vue实例未初始化之前 loading效果展示 初始化完成之后loading效果消失

 

1. HTML代码 

在 app 里面添加以下代码 

<div id="app"> 

<!-- loading -->
　　<div id="loading-mask">
　　　　<div class="loading-wrapper">
　　　　　　<span class="loading-dot loading-dot-spin">
              <i></i><i></i><i></i><i></i>
　　　　　　</span>
　　　　</div>
　　</div>


</div>

 

2. CSS代码

    <style>
      #loading-mask {
        position: fixed;
        left: 0;
        top: 0;
        height: 100%;
        width: 100%;
        background: #fff;
        user-select: none;
        z-index: 9999;
        overflow: hidden;
      }
      .loading-wrapper {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -100%);
      }
      .loading-dot {
        animation: antRotate 1.2s infinite linear;
        transform: rotate(45deg);
        position: relative;
        display: inline-block;
        font-size: 64px;
        width: 64px;
        height: 64px;
        box-sizing: border-box;
      }
      .loading-dot i {
        width: 22px;
        height: 22px;
        position: absolute;
        display: block;
        background-color: #1890ff;
        border-radius: 100%;
        transform: scale(0.75);
        transform-origin: 50% 50%;
        opacity: 0.3;
        animation: antSpinMove 1s infinite linear alternate;
      }
      .loading-dot i:nth-child(1) {
        top: 0;
        left: 0;
      }
      .loading-dot i:nth-child(2) {
        top: 0;
        right: 0;
        -webkit-animation-delay: 0.4s;
        animation-delay: 0.4s;
      }
      .loading-dot i:nth-child(3) {
        right: 0;
        bottom: 0;
        -webkit-animation-delay: 0.8s;
        animation-delay: 0.8s;
      }
      .loading-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>

 

 

全部代码

 

<!DOCTYPE html>
<html lang="zh-cn">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width,initial-scale=1.0" />


    <style>
      #loading-mask {
        position: fixed;
        left: 0;
        top: 0;
        height: 100%;
        width: 100%;
        background: #fff;
        user-select: none;
        z-index: 9999;
        overflow: hidden;
      }
      .loading-wrapper {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -100%);
      }
      .loading-dot {
        animation: antRotate 1.2s infinite linear;
        transform: rotate(45deg);
        position: relative;
        display: inline-block;
        font-size: 64px;
        width: 64px;
        height: 64px;
        box-sizing: border-box;
      }
      .loading-dot i {
        width: 22px;
        height: 22px;
        position: absolute;
        display: block;
        background-color: #1890ff;
        border-radius: 100%;
        transform: scale(0.75);
        transform-origin: 50% 50%;
        opacity: 0.3;
        animation: antSpinMove 1s infinite linear alternate;
      }
      .loading-dot i:nth-child(1) {
        top: 0;
        left: 0;
      }
      .loading-dot i:nth-child(2) {
        top: 0;
        right: 0;
        -webkit-animation-delay: 0.4s;
        animation-delay: 0.4s;
      }
      .loading-dot i:nth-child(3) {
        right: 0;
        bottom: 0;
        -webkit-animation-delay: 0.8s;
        animation-delay: 0.8s;
      }
      .loading-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>

      <div id="app">
        <div id="loading-mask">
          <div class="loading-wrapper">
            <span class="loading-dot loading-dot-spin">
              <i></i><i></i><i></i><i></i>
            </span>
          </div>
        </div>
      </div>


  </body>
</html>

 4. 效果图

 

posted @ 2022-03-24 17:47  祁腾飞  阅读(1597)  评论(0)  编辑  收藏  举报