CSS3 loadding載入動畫效果

antzone發表於2018-05-27
CSSS3動畫

本章節分享一段程式碼例項，它利用css3實現了loadding動畫載入效果。

程式碼例項如下:

[HTML] 純文字檢視 複製程式碼執行程式碼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</title>
<style type="text/css">
#loading_1 {
  width: 400px;
  height: 200px;
  position: relative;
  animation: rotate 2s infinite;
  margin: 0 auto;
}
@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
.cir {
  position: absolute;
  width: 16px;
  height: 16px;
  overflow: hidden;
  top: 92px;
  left: 192px;
}
#loading_1 div:nth-child(1) {
  background: #8EE5EE;
}
#loading_1 div:nth-child(2) {
  background: #FFE4B5;
}
#loading_1 div:nth-child(3) {
  background: #00CD00;
}
#loading_1 div:nth-child(4) {
  background: #FF6A6A;
}
.cir1 {
  animation: loading_1 2s linear infinite;
}
@keyframes loading_1 {
  0% {
    top: 62px;
    left: 162px;
  }
  50% {
    top: 92px;
    left: 192px;
  }
  100% {
    top: 62px;
    left: 162px;
  }
}
.cir2 {
        animation: loading_2 2s linear infinite;
}
@keyframes loading_2 {
  0% {
    top: 62px;
    left: 222px;
  }
  50% {
    top: 92px;
    left: 192px;
  }
  100% {
    top: 62px;
    left: 222px;
  }
}
.cir3 {
  animation: loading_3 2s linear infinite;
}
@keyframes loading_3 {
  0% {
    top: 122px;
    left: 162px;
  }
  50% {
    top: 92px;
    left: 192px;
  }
  100% {
    top: 122px;
    left: 162px;
  }
}
.cir4 {
  animation: loading_4 2s linear infinite;
}
@keyframes loading_4 {
  0% {
    top: 122px;
    left: 222px;
  }
  50% {
    top: 92px;
    left: 192px;
  }
  100% {
    top: 122px;
    left: 222px;
  }
}
#loading_2 {
  width: 400px;
  height: 200px;
  position: relative;
  margin: 0 auto;
}
#loading_2 div {
  width: 100px;
  height: 100px;
  position: absolute;
  margin-left: 150px;
  animation: loading 1.8s linear infinite;
}
#loading_2 span {
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 20px;
}
@keyframes loading {
  0% {
    transform: rotate(0deg);
  }
  10% {
    transform: rotate(45deg);
  }
  50% {
    opacity: 1;
    transform: rotate(160deg);
  }
  62% {
    opacity: 0;
  }
  65% {
    opacity: 0;
    transform: rotate(200deg);
  }
  90% {
    transform: rotate(340deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
#loading_2 span {
  background: #8EE5EE;
}
#loading_2 div:nth-child(1) {
  animation-delay: 0.2s;
}
#loading_2 div:nth-child(2) {
  animation-delay: 0.4s;
}
#loading_2 div:nth-child(3) {
  animation-delay: 0.6s;
}
#loading_2 div:nth-child(4) {
  animation-delay: 0.8s;
}
#loading_3 {
  width: 400px;
  height: 200px;
  margin: 0 auto;
}
#loading_3 div {
  float: left;
  width: 10px;
  height: 80px;
  margin-left: 20px;
  animation: scale 1.5s linear infinite;
}
@keyframes scale {
  0% {
    transform: scale(1, 1);
  }
  50% {
    transform: scale(1, 1.8);
  }
  100% {
    transform: scale(1, 1);
  }
}
#loading_3 div:nth-child(1) {
  background: #8EE5EE;
  margin-left: 150px;
  animation-delay: 0.2s;
}
#loading_3 div:nth-child(2) {
  background: #FFE4B5;
  animation-delay: 0.4s;
}
#loading_3 div:nth-child(3) {
  background: #00CD00;
  animation-delay: 0.6s;
}
#loading_3 div:nth-child(4) {
  background: #FF6A6A;
  animation-delay: 0.8s;
}
#loading_4 {
  width: 400px;
  height: 200px;
  margin: 0 auto;
}
#loading_4 div {
  width: 20px;
  height: 20px;
  float: left;
  margin-right: 20px;
  animation: dash 2s linear infinite;
}
@keyframes dash {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
#loading_4 div:nth-child(1) {
  background: #8EE5EE;
  margin-left: 100px;
  animation-delay: 0.2s;
}
#loading_4 div:nth-child(2) {
  background: #FFE4B5;
  animation-delay: 0.4s;
}
#loading_4 div:nth-child(3) {
  background: #00CD00;
  animation-delay: 0.6s;
}
#loading_4 div:nth-child(4) {
  background: #FF6A6A;
  animation-delay: 0.8s;
}
#loading_4 div:nth-child(5) {
  background: #FF7F24;
  animation-delay: 1s;
}
#loading_4 div:nth-child(6) {
  background: #FF00FF;
  animation-delay: 1.2s;
}
</style>
</head>
<body>
<div id="loading_1">
  <div class="cir cir1"><span></span></div>
  <div class="cir cir2"><span></span></div>
  <div class="cir cir3"><span></span></div>
  <div class="cir cir4"><span></span></div>
</div>
<div id="loading_2">
  <div><span></span></div>
  <div><span></span></div>
  <div><span></span></div>
  <div><span></span></div>
</div>
<div id="loading_3">
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>
<div id="loading_4">
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>
</body>
</html>

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