c3加载动画实现

2018-11-21 分类：Html5+Css3 作者：huanggr 阅读（2263）

国瑞前端：在页面没有加载的时候，为了让界面看上去不那么枯燥，就会添加上一些效果，表示是在加载中，通常的做法就是使用一个gif图去实现，虽然图片加载的也会快，但是相同的效果，如果是使用代码些的，那样效果会更快一下，好的，接下来，我们来利用css3的效果来制作一个正在加载中的动画效果:

代码如下：

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<!doctype html>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title></title>
<style type="text/css">
.spinner {
margin: 100px auto;
width: 20px;
height: 20px;
position: relative;
}
.container1 > div, .container2 > div, .container3 > div {
width: 6px;
height: 6px;
background-color: #ff66cc;
border-radius: 100%;
position: absolute;
-webkit-animation: bouncedelay 1.2s infinite ease-in-out;
animation: bouncedelay 1.2s infinite ease-in-out;
-webkit-animation-fill-mode: both;
animation-fill-mode: both;
}
.spinner .spinner-container {
position: absolute;
width: 100%;
height: 100%;
}
.container2 {
-webkit-transform: rotateZ(45deg);
transform: rotateZ(45deg);
}
.container3 {
-webkit-transform: rotateZ(90deg);
transform: rotateZ(90deg);
}
.circle1 {
top: 0; left: 0;
}
.circle2 {
top: 0; right: 0;
}
.circle3 {
right: 0; bottom: 0;
}
.circle4 {
left: 0; bottom: 0;
}
.container2 .circle1 {
-webkit-animation-delay: -1.1s;
animation-delay: -1.1s;
}
.container3 .circle1 {
-webkit-animation-delay: -1.0s;
animation-delay: -1.0s;
}
.container1 .circle2 {
-webkit-animation-delay: -0.9s;
animation-delay: -0.9s;
}
.container2 .circle2 {
-webkit-animation-delay: -0.8s;
animation-delay: -0.8s;
}
.container3 .circle2 {
-webkit-animation-delay: -0.7s;
animation-delay: -0.7s;
}
.container1 .circle3 {
-webkit-animation-delay: -0.6s;
animation-delay: -0.6s;
}
.container2 .circle3 {
-webkit-animation-delay: -0.5s;
animation-delay: -0.5s;
}
.container3 .circle3 {
-webkit-animation-delay: -0.4s;
animation-delay: -0.4s;
}
.container1 .circle4 {
-webkit-animation-delay: -0.3s;
animation-delay: -0.3s;
}
.container2 .circle4 {
-webkit-animation-delay: -0.2s;
animation-delay: -0.2s;
}
.container3 .circle4 {
-webkit-animation-delay: -0.1s;
animation-delay: -0.1s;
}
@-webkit-keyframes bouncedelay {
0%, 80%, 100% { -webkit-transform: scale(0.0) }
40% { -webkit-transform: scale(1.0) }
}
@keyframes bouncedelay {
0%, 80%, 100% {
transform: scale(0.0);
-webkit-transform: scale(0.0);
}
40% {
transform: scale(1.0);
-webkit-transform: scale(1.0);
}
}
</style>
</head>
<body>
<div class="spinner">
<div class="spinner-container container1">
<div class="circle1"></div>
<div class="circle2"></div>
<div class="circle3"></div>
<div class="circle4"></div>
</div>
<div class="spinner-container container2">
<div class="circle1"></div>
<div class="circle2"></div>
<div class="circle3"></div>
<div class="circle4"></div>
</div>
<div class="spinner-container container3">
<div class="circle1"></div>
<div class="circle2"></div>
<div class="circle3"></div>
<div class="circle4"></div>
</div>
</div>
</body>
</html>

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Css3