圆圈进度条

最新推荐文章于 2024-08-23 07:36:22 发布

原创最新推荐文章于 2024-08-23 07:36:22 发布 · 409 阅读

CC 4.0 BY-SA版权

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>css3环形进度条</title>
<style>
*{margin: 0;padding: 0;}
.box{width:200px;height:200px;margin:10px auto;position:relative;}
.box div{position:absolute;top:0;left:0;border-radius:50%;height:160px;width:160px;-webkit-transition:all .2s ease-in-out;-moz-transition:all .2s ease-in-out;}
.box .bg{border:silver 20px solid}
.box .bg2{border:silver 20px solid;clip:rect(0,100px,200px,0);}
.box .rount{border:red 20px solid;clip:rect(0,100px,200px,0);-webkit-transform:rotate(0deg);}
.box .rount2{border:red 20px solid;clip:rect(0,200px,200px,100px);-webkit-transform:rotate(0deg);display:none}
.box .num{font:bold 24px/160px tahoma;text-align:center;color:green;top:20px;left:20px;z-index:9;}
.points{width:200px;margin:10px auto;text-align: center;}
</style>
</head>

<body>
<div class="box">
<div class="bg"></div>
<div id="rount" class="rount"></div>
<div class="bg2"></div>
<div id="rount2" class="rount2"></div>
<div id="num" class="num">0</div>
</div>
</body>

<script>

var rount = document.getElementById('rount');
var rount2 = document.getElementById('rount2');
var num = document.getElementById('num');
var value=0;
function round(){
value++;
num.innerHTML = value + "%";
if(value<=50){
rount.style.webkitTransform="rotate(" + 3.6*value + "deg)";
rount2.style.display="none";
}else{
rount.style.webkitTransform="rotate(180deg)";
rount2.style.display="block";
rount2.style.webkitTransform="rotate(" + 3.6*(value-50) + "deg)";
}
setTimeout(round,100);
}
round();
</script>
</html>