今天为大家带来另一款更具个性化的进度条：CSS3闪烁跳跃的进度条。
这个示例的原理和以前的都是一样的，都是通过大量的css3属性来实现的，如：animation、transform、keyframes等等属性。值得注意的是这个示例采用了结构性伪类选择符E:nth-child(n)，来进行对HTML元素的选择以及控制输出。相信这个伪类选择符在将来会是一个很强大的一个工具。推荐大家多多了解以及实践使用。
这个伪类选择符E:nth-child(n)的含义是匹配父元素的第n个子元素E。 例如：ul li:nth-child(3)表示的是选择<ul>元素里面的第3个<li>。提示一下，该属性在IE8（包含IE8）版本以下是不支持的。下面就一起来看看该示例的实现代码吧，完整的代码可下载附件查看。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CSS3闪烁跳跃的进度条Demos</title>
<style>
@-webkit-keyframes bump {
0% {
opacity: 0;
left: 535px;
}
100% {
left: -10px;
opacity: 0;
}
10%, 85% {
opacity: 1;
}
}
@-moz-keyframes bump {
0% {
opacity: 0;
left: 535px;
}
100% {
left: -10px;
opacity: 0;
}
10%, 85% {
opacity: 1;
}
}
@-ms-keyframes bump {
0% {
opacity: 0;
left: 535px;
}
100% {
left: -10px;
opacity: 0;
}
10%, 85% {
opacity: 1;
}
}
@keyframes bump {
0% {
opacity: 0;
left: 535px;
}
100% {
left: -10px;
opacity: 0;
}
10%, 85% {
opacity: 1;
}
}
@-webkit-keyframes spin {
0%, 100% {
height: 20px;
top: 50px;
}
50% {
height: 100px;
top: 0;
}
}
@-moz-keyframes spin {
0%, 100% {
height: 20px;
top: 50px;
}
50% {
height: 100px;
top: 0;
}
}
@-ms-keyframes spin {
0%, 100% {
height: 20px;
top: 50px;
}
50% {
height: 100px;
top: 0;
}
}
@keyframes spin {
0%, 100% {
height: 20px;
top: 50px;
}
50% {
height: 100px;
top: 0;
}
}
body {
background: rgba(0, 0, 0, 0.2);
}
div.center {
text-align: center;
margin-top: 40px;
}
ul {
background-color: rgba(255, 255, 255, 0.4);
position: relative;
display: block;
padding: 0;
margin: auto;
width: 600px;
height: 10px;
list-style: none;
-webkit-border-radius: 200px;
-moz-border-radius: 200px;
-ms-border-radius: 200px;
-o-border-radius: 200px;
border-radius: 200px;
border: 5px solid rgba(255, 255, 255, 0.2);
margin-top: 100px;
-webkit-box-shadow: 0 0 5px 5px rgba(0, 0, 0, 0.1);
-moz-box-shadow: 0 0 5px 5px rgba(0, 0, 0, 0.1);
box-shadow: 0 0 5px 5px rgba(0, 0, 0, 0.1);
}
ul li {
position: absolute;
margin-top: -55px;
}
ul li:nth-child(1) {
-webkit-animation: bump 1.5s infinite;
-moz-animation: bump 1.5s infinite;
-o-animation: bump 1.5s infinite;
animation: bump 1.5s infinite;
-webkit-animation-delay: 0.1s;
-moz-animation-delay: 0.1s;
-o-animation-delay: 0.1s;
animation-delay: 0.1s;
}
ul li:nth-child(1) div {
-webkit-border-radius: 22px;
-moz-border-radius: 22px;
-ms-border-radius: 22px;
-o-border-radius: 22px;
border-radius: 22px;
-webkit-transform-origin: center;
-moz-transform-origin: center;
transform-origin: center;
position: absolute;
height: 60px;
width: 80px;
-webkit-animation: spin 0.4s infinite;
-moz-animation: spin 0.4s infinite;
-o-animation: spin 0.4s infinite;
-webkit-animation: spin 0.4s infinite;
-webkit-animation-delay: 0.1s;
-moz-animation: spin 0.4s infinite;
-moz-animation-delay: 0.1s;
animation: spin 0.4s infinite;
animation-delay: 0.1s;
background-color: rgba(120, 120, 120, 0.3);
}
ul li:nth-child(2) {
-webkit-animation: bump 1.5s infinite;
-moz-animation: bump 1.5s infinite;
-o-animation: bump 1.5s infinite;
-webkit-animation: bump 1.5s infinite;
-webkit-animation-delay: 0.2s;
-moz-animation: bump 1.5s infinite;
-moz-animation-delay: 0.2s;
animation: bump 1.5s infinite;
animation-delay: 0.2s;
}
ul li:nth-child(2) div {
-webkit-border-radius: 22px;
-moz-border-radius: 22px;
-ms-border-radius: 22px;
-o-border-radius: 22px;
border-radius: 22px;
-webkit-transform-origin: center;
-moz-transform-origin: center;
transform-origin: center;
position: absolute;
height: 60px;
width: 80px;
-webkit-animation: spin 0.4s infinite;
-moz-animation: spin 0.4s infinite;
-o-animation: spin 0.4s infinite;
-webkit-animation: spin 0.4s infinite;
-webkit-animation-delay: 0.2s;
-moz-animation: spin 0.4s infinite;
-moz-animation-delay: 0.2s;
animation: spin 0.4s infinite;
animation-delay: 0.2s;
background-color: rgba(120, 0, 0, 0.3);
}
ul li:nth-child(3) {
-webkit-animation: bump 1.5s infinite;
-moz-animation: bump 1.5s infinite;
-o-animation: bump 1.5s infinite;
-webkit-animation: bump 1.5s infinite;
-webkit-animation-delay: 0.3s;
-moz-animation: bump 1.5s infinite;
-moz-animation-delay: 0.3s;
animation: bump 1.5s infinite;
animation-delay: 0.3s;
}
ul li:nth-child(3) div {
-webkit-border-radius: 22px;
-moz-border-radius: 22px;
-ms-border-radius: 22px;
-o-border-radius: 22px;
border-radius: 22px;
-webkit-transform-origin: center;
-moz-transform-origin: center;
transform-origin: center;
position: absolute;
height: 60px;
width: 80px;
-webkit-animation: spin 0.4s infinite;
-moz-animation: spin 0.4s infinite;
-o-animation: spin 0.4s infinite;
-webkit-animation: spin 0.4s infinite;
-webkit-animation-delay: 0.3s;
-moz-animation: spin 0.4s infinite;
-moz-animation-delay: 0.3s;
animation: spin 0.4s infinite;
animation-delay: 0.3s;
background-color: rgba(120, 120, 0, 0.3);
}
ul li:nth-child(4) {
-webkit-animation: bump 1.5s infinite;
-moz-animation: bump 1.5s infinite;
-o-animation: bump 1.5s infinite;
-webkit-animation: bump 1.5s infinite;
-webkit-animation-delay: 0.4s;
-moz-animation: bump 1.5s infinite;
-moz-animation-delay: 0.4s;
animation: bump 1.5s infinite;
animation-delay: 0.4s;
}
ul li:nth-child(4) div {
-webkit-border-radius: 22px;
-moz-border-radius: 22px;
-ms-border-radius: 22px;
-o-border-radius: 22px;
border-radius: 22px;
-webkit-transform-origin: center;
-moz-transform-origin: center;
transform-origin: center;
position: absolute;
height: 60px;
width: 80px;
-webkit-animation: spin 0.4s infinite;
-moz-animation: spin 0.4s infinite;
-o-animation: spin 0.4s infinite;
-webkit-animation: spin 0.4s infinite;
-webkit-animation-delay: 0.4s;
-moz-animation: spin 0.4s infinite;
-moz-animation-delay: 0.4s;
animation: spin 0.4s infinite;
animation-delay: 0.4s;
background-color: rgba(0, 120, 0, 0.3);
}
ul li:nth-child(5) {
-webkit-animation: bump 1.5s infinite;
-moz-animation: bump 1.5s infinite;
-o-animation: bump 1.5s infinite;
-webkit-animation: bump 1.5s infinite;
-webkit-animation-delay: 0.5s;
-moz-animation: bump 1.5s infinite;
-moz-animation-delay: 0.5s;
animation: bump 1.5s infinite;
animation-delay: 0.5s;
}
ul li:nth-child(5) div {
-webkit-border-radius: 22px;
-moz-border-radius: 22px;
-ms-border-radius: 22px;
-o-border-radius: 22px;
border-radius: 22px;
-webkit-transform-origin: center;
-moz-transform-origin: center;
transform-origin: center;
position: absolute;
height: 60px;
width: 80px;
-webkit-animation: spin 0.4s infinite;
-moz-animation: spin 0.4s infinite;
-o-animation: spin 0.4s infinite;
-webkit-animation: spin 0.4s infinite;
-webkit-animation-delay: 0.5s;
-moz-animation: spin 0.4s infinite;
-moz-animation-delay: 0.5s;
animation: spin 0.4s infinite;
animation-delay: 0.5s;
background-color: rgba(0, 120, 120, 0.3);
}
ul li:nth-child(6) {
-webkit-animation: bump 1.5s infinite;
-moz-animation: bump 1.5s infinite;
-o-animation: bump 1.5s infinite;
-webkit-animation: bump 1.5s infinite;
-webkit-animation-delay: 0.6s;
-moz-animation: bump 1.5s infinite;
-moz-animation-delay: 0.6s;
animation: bump 1.5s infinite;
animation-delay: 0.6s;
}
ul li:nth-child(6) div {
-webkit-border-radius: 22px;
-moz-border-radius: 22px;
-ms-border-radius: 22px;
-o-border-radius: 22px;
border-radius: 22px;
-webkit-transform-origin: center;
-moz-transform-origin: center;
transform-origin: center;
position: absolute;
height: 60px;
width: 80px;
-webkit-animation: spin 0.4s infinite;
-moz-animation: spin 0.4s infinite;
-o-animation: spin 0.4s infinite;
-webkit-animation: spin 0.4s infinite;
-webkit-animation-delay: 0.6s;
-moz-animation: spin 0.4s infinite;
-moz-animation-delay: 0.6s;
animation: spin 0.4s infinite;
animation-delay: 0.6s;
background-color: rgba(0, 0, 120, 0.3);
}
ul li:nth-child(7) {
-webkit-animation: bump 1.5s infinite;
-moz-animation: bump 1.5s infinite;
-o-animation: bump 1.5s infinite;
-webkit-animation: bump 1.5s infinite;
-webkit-animation-delay: 0.7s;
-moz-animation: bump 1.5s infinite;
-moz-animation-delay: 0.7s;
animation: bump 1.5s infinite;
animation-delay: 0.7s;
}
ul li:nth-child(7) div {
-webkit-border-radius: 22px;
-moz-border-radius: 22px;
-ms-border-radius: 22px;
-o-border-radius: 22px;
border-radius: 22px;
-webkit-transform-origin: center;
-moz-transform-origin: center;
transform-origin: center;
position: absolute;
height: 60px;
width: 80px;
-webkit-animation: spin 0.4s infinite;
-moz-animation: spin 0.4s infinite;
-o-animation: spin 0.4s infinite;
-webkit-animation: spin 0.4s infinite;
-webkit-animation-delay: 0.7s;
-moz-animation: spin 0.4s infinite;
-moz-animation-delay: 0.7s;
animation: spin 0.4s infinite;
animation-delay: 0.7s;
background-color: rgba(120, 0, 120, 0.3);
}
/*---- base ----*/
.title {background-color:rgba(0,0,0,0.56); width:100%; position:fixed; top:0; left:0; font-size:12px; font-family:Verdana, Geneva, sans-serif; z-index:99999;}
.title a {color:#FFF; text-decoration:none; line-height:24px; padding:0 10px; letter-spacing: 1px;}
.title_r {float:right;}
.title_l {float:left;}
.title a:hover {background:#000;}
</style>
</head>
<body>
<div class="title">
<a class="title_r" href="http://www.webjx.com/" title="返回首页">返回网页教学网首页</a></span>
</div>
<div class="center">
<ul>
<li>
<div></div>
</li>
<li>
<div></div>
</li>
<li>
<div></div>
</li>
<li>
<div></div>
</li>
<li>
<div></div>
</li>
<li>
<div></div>
</li>
<li>
<div></div>
</li>
</ul>
</div>
</body>
</html>
相关CSS3网页制作教程:闪烁跳跃的进度条