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加载动画

Loading 加载 2026/05/31 15:20

HTML代码

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<div class="container">
  <div class="dot-spinner">
    <div class="dot-spinner__dot"></div>
    <div class="dot-spinner__dot"></div>
    <div class="dot-spinner__dot"></div>
    <div class="dot-spinner__dot"></div>
    <div class="dot-spinner__dot"></div>
    <div class="dot-spinner__dot"></div>
    <div class="dot-spinner__dot"></div>
    <div class="dot-spinner__dot"></div>
  </div>
</div>

CSS代码

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.container {
  width: 100%;
  height: 320px;
  background: #FFF;
  padding-top: 130px;
}

.dot-spinner {
  --uib-size: 2.8rem;
  --uib-speed: .9s;
  --uib-color: #183153;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: var(--uib-size);
  width: var(--uib-size);
  margin: 0 auto;
}

.dot-spinner__dot {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  width: 100%;
}

.dot-spinner__dot::before {
  content: '';
  height: 20%;
  width: 20%;
  border-radius: 50%;
  background-color: var(--uib-color);
  transform: scale(0);
  opacity: 0.5;
  animation: pulse0112 calc(var(--uib-speed) * 1.111) ease-in-out infinite;
  box-shadow: 0 0 20px rgba(18, 31, 53, 0.3);
}

.dot-spinner__dot:nth-child(2) {
  transform: rotate(45deg);
}

.dot-spinner__dot:nth-child(2)::before {
  animation-delay: calc(var(--uib-speed) * -0.875);
}

.dot-spinner__dot:nth-child(3) {
  transform: rotate(90deg);
}

.dot-spinner__dot:nth-child(3)::before {
  animation-delay: calc(var(--uib-speed) * -0.75);
}

.dot-spinner__dot:nth-child(4) {
  transform: rotate(135deg);
}

.dot-spinner__dot:nth-child(4)::before {
  animation-delay: calc(var(--uib-speed) * -0.625);
}

.dot-spinner__dot:nth-child(5) {
  transform: rotate(180deg);
}

.dot-spinner__dot:nth-child(5)::before {
  animation-delay: calc(var(--uib-speed) * -0.5);
}

.dot-spinner__dot:nth-child(6) {
  transform: rotate(225deg);
}

.dot-spinner__dot:nth-child(6)::before {
  animation-delay: calc(var(--uib-speed) * -0.375);
}

.dot-spinner__dot:nth-child(7) {
  transform: rotate(270deg);
}

.dot-spinner__dot:nth-child(7)::before {
  animation-delay: calc(var(--uib-speed) * -0.25);
}

.dot-spinner__dot:nth-child(8) {
  transform: rotate(315deg);
}

.dot-spinner__dot:nth-child(8)::before {
  animation-delay: calc(var(--uib-speed) * -0.125);
}

@keyframes pulse0112 {
  0%,
  100% {
    transform: scale(0);
    opacity: 0.5;
  }

  50% {
    transform: scale(1);
    opacity: 1;
  }
}