css进度条
1.环形进度条
源码
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>环形进度条</title>
<style>
.wrapper {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
width: 4em;
height: 4em;
margin: auto;
}
.container {
position: absolute;
top: 0;
bottom: 0;
width: 2em;
overflow: hidden;
}
.halfCir {
width: 2em;
height: 4em;
background: red;
}
.container1 {
left: 2em;
}
.container1 .halfCir {
left: 0;
border-radius: 0 4em 4em 0;
transform-origin: 0 50%;
animation: halfCir1 4s infinite linear;
}
.container2 {
left: 0;
}
.container2 .halfCir {
border-radius: 4em 0 0 4em;
transform-origin: 2em 2em;
animation: halfCir2 4s infinite linear;
}
@keyframes halfCir1 {
50%, 100% {
transform: rotateZ(180deg);
}
}
@keyframes halfCir2 {
0%, 50% {
transform: rotateZ(0);
}
100% {
transform: rotateZ(180deg);
}
}
.wrapper::after {
position: absolute;
top: 0.5em;
left: 0.5em;
width: 3em;
height: 3em;
background: #fff;
border-radius: 50%;
content: "";
}
.cir {
position: absolute;
top: 0;
right: 0;
left: 0;
width: 0.5em;
height: 0.5em;
margin: auto;
background: red;
border-radius: 50%;
}
.cir2 {
transform-origin: 50% 2em;
animation: cir2 4s infinite linear;
}
@keyframes cir2 {
100% {
transform: rotateZ(360deg);
}
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container container1">
<div class="halfCir"></div>
</div>
<div class="container container2">
<div class="halfCir"></div>
</div>
<div class="cir cir1"></div>
<div class="cir cir2"></div>
</div>
</body>
</html>
2.顶部进度条
源码
<!Doctype html>
<html>
<head>
<title>页面顶部显示的进度条效果</title>
<meta http-equiv=Content-Type content="text/html;charset=utf-8">
</head>
<body>
<div id="web_loading"><div></div></div>
<script src="https://files.cnblogs.com/ningvsban/jquery1.8.3.min.js" type="text/javascript"></script>
<script type="text/javascript">
jQuery(document).ready(function () {
jQuery("#web_loading div").animate({ width: "100%" }, 800, function () {
setTimeout(function () {
jQuery("#web_loading div").fadeIn(500);
});
});
});
</script>
<style>
#web_loading {
z-index: 99999;
width: 100%;
}
#web_loading div {
width: 0;
height: 5px;
background: #FF9F15;
}
</style>
</body>
</html>
