网页加载中几种特效

示例网址：https://tobiasahlin.com/spinkit

vue例子

<!-- components/Loading.vue -->
<template>
  <div class="loading-container">
<!--    <div class="spinner"></div>-->
    <div class="sk-circle">
      <div class="sk-circle1 sk-child"></div>
      <div class="sk-circle2 sk-child"></div>
      <div class="sk-circle3 sk-child"></div>
      <div class="sk-circle4 sk-child"></div>
      <div class="sk-circle5 sk-child"></div>
      <div class="sk-circle6 sk-child"></div>
      <div class="sk-circle7 sk-child"></div>
      <div class="sk-circle8 sk-child"></div>
      <div class="sk-circle9 sk-child"></div>
      <div class="sk-circle10 sk-child"></div>
      <div class="sk-circle11 sk-child"></div>
      <div class="sk-circle12 sk-child"></div>
    </div>

  </div>
</template>

<script setup>
// 无需逻辑，只需展示动画
</script>

<style scoped>
.loading-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.8); /* 半透明背景 */
  z-index: 9999; /* 确保在所有元素之上 */
}
/*圆圈转*/
/*.spinner {*/
/*  border: 4px solid rgba(0, 0, 0, 0.1);*/
/*  width: 36px;*/
/*  height: 36px;*/
/*  border-radius: 50%;*/
/*  border-left-color: #ff6550;*/
/*  animation: loader 1.5s linear infinite;*/
/*}*/

/*@keyframes loader {*/
/*  0% {*/
/*    transform: rotate(0deg);*/
/*  }*/
/*  100% {*/
/*    transform: rotate(360deg);*/
/*  }*/
/*}*/
.sk-circle {
  margin: 100px auto;
  width: 40px;
  height: 40px;
  position: relative;
}
.sk-circle .sk-child {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
}
.sk-circle .sk-child:before {
  content: '';
  display: block;
  margin: 0 auto;
  width: 15%;
  height: 15%;
  background-color: var(--curColor);
  border-radius: 100%;
  -webkit-animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
  animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
}
.sk-circle .sk-circle2 {
  -webkit-transform: rotate(30deg);
  -ms-transform: rotate(30deg);
  transform: rotate(30deg); }
.sk-circle .sk-circle3 {
  -webkit-transform: rotate(60deg);
  -ms-transform: rotate(60deg);
  transform: rotate(60deg); }
.sk-circle .sk-circle4 {
  -webkit-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  transform: rotate(90deg); }
.sk-circle .sk-circle5 {
  -webkit-transform: rotate(120deg);
  -ms-transform: rotate(120deg);
  transform: rotate(120deg); }
.sk-circle .sk-circle6 {
  -webkit-transform: rotate(150deg);
  -ms-transform: rotate(150deg);
  transform: rotate(150deg); }
.sk-circle .sk-circle7 {
  -webkit-transform: rotate(180deg);
  -ms-transform: rotate(180deg);
  transform: rotate(180deg); }
.sk-circle .sk-circle8 {
  -webkit-transform: rotate(210deg);
  -ms-transform: rotate(210deg);
  transform: rotate(210deg); }
.sk-circle .sk-circle9 {
  -webkit-transform: rotate(240deg);
  -ms-transform: rotate(240deg);
  transform: rotate(240deg); }
.sk-circle .sk-circle10 {
  -webkit-transform: rotate(270deg);
  -ms-transform: rotate(270deg);
  transform: rotate(270deg); }
.sk-circle .sk-circle11 {
  -webkit-transform: rotate(300deg);
  -ms-transform: rotate(300deg);
  transform: rotate(300deg); }
.sk-circle .sk-circle12 {
  -webkit-transform: rotate(330deg);
  -ms-transform: rotate(330deg);
  transform: rotate(330deg); }
.sk-circle .sk-circle2:before {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s; }
.sk-circle .sk-circle3:before {
  -webkit-animation-delay: -1s;
  animation-delay: -1s; }
.sk-circle .sk-circle4:before {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s; }
.sk-circle .sk-circle5:before {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s; }
.sk-circle .sk-circle6:before {
  -webkit-animation-delay: -0.7s;
  animation-delay: -0.7s; }
.sk-circle .sk-circle7:before {
  -webkit-animation-delay: -0.6s;
  animation-delay: -0.6s; }
.sk-circle .sk-circle8:before {
  -webkit-animation-delay: -0.5s;
  animation-delay: -0.5s; }
.sk-circle .sk-circle9:before {
  -webkit-animation-delay: -0.4s;
  animation-delay: -0.4s; }
.sk-circle .sk-circle10:before {
  -webkit-animation-delay: -0.3s;
  animation-delay: -0.3s; }
.sk-circle .sk-circle11:before {
  -webkit-animation-delay: -0.2s;
  animation-delay: -0.2s; }
.sk-circle .sk-circle12:before {
  -webkit-animation-delay: -0.1s;
  animation-delay: -0.1s; }

@-webkit-keyframes sk-circleBounceDelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  } 40% {
      -webkit-transform: scale(1);
      transform: scale(1);
    }
}

@keyframes sk-circleBounceDelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  } 40% {
      -webkit-transform: scale(1);
      transform: scale(1);
    }
}
</style>