Vue加载中动画组件使用

<template>
  <div class="m-spin-dot">
    <span class="u-dot-item"></span>
    <span class="u-dot-item"></span>
    <span class="u-dot-item"></span>
    <span class="u-dot-item"></span>
  </div>
</template>
<script>
export default {
  name: 'Loading'
}
</script>
<style lang="less" scoped>
.m-spin-dot {
  // 水平垂直居中
  position: relative;
  top: calc(50% - 18px);
  margin: 0 auto;
  width: 36px;
  height: 36px;
  transform: rotate(45deg);
  -ms-transform: rotate(45deg); /* Internet Explorer */
  -moz-transform: rotate(45deg); /* Firefox */
  -webkit-transform: rotate(45deg); /* Safari 和 Chrome */
  -o-transform: rotate(45deg); /* Opera */
  animation: rotate 1.2s linear infinite;
  -webkit-animation: rotate 1.2s linear infinite;
  @keyframes rotate {
    100% {transform: rotate(405deg);}
  }
  .u-dot-item { // 单个圆点样式
    position: absolute;
    width: 10px;
    height: 10px;
    background: @mainColor;
    border-radius: 50%;
    opacity: .3;
    animation: spinMove 1s linear infinite alternate;
    -webkit-animation: spinMove 1s linear infinite alternate;
    @keyframes spinMove {
      100% {opacity: 1;}
    }
  }
  .u-dot-item:first-child {
    top: 0;
    left: 0;
  }
  .u-dot-item:nth-child(2) {
    top: 0;
    right: 0;
    animation-delay: .4s;
    -webkit-animation-delay: .4s;
  }
  .u-dot-item:nth-child(3) {
    bottom: 0;
    right: 0;
    animation-delay: .8s;
    -webkit-animation-delay: .8s;
  }
  .u-dot-item:last-child {
    bottom: 0;
    left: 0;
    animation-delay: 1.2s;
    -webkit-animation-delay: 1.2s;
  }
}
</style>

import Loading from '@/components/Loading'
components: {
    Loading
}
<div :class="['m-area', {'loading': isLoading}]"
    <Loading />
</div>
.m-area {
    margin: 0 auto;
    width: 500px;
    height: 400px;
    background: #FFFFFF;
}
.loading { // 加载过程背景虚化
    background: #fafafa;
    pointer-events: none; // 屏蔽鼠标事件
}