<html>
<head>
<title>test</title>
<!--本DEMO参考http://www.cnblogs.com/jr1993/p/4677921.html设计，实现传入百分比数值，通过JS计算按百分比显示圆环图形功能-->
<style type="text/css">
.circleProgress_wrapper{
width: 200px;
height: 200px;
margin: 50px auto;
position: relative;
border:1px solid #ddd;
}
.wrapper{
width: 100px;
height: 200px;
position: absolute;
top:0;
overflow: hidden;
}
.right{
right:0;
}
.left{
left:0;
}
.circleProgress{
width: 160px;
height: 160px;
border:20px solid transparent;
border-radius: 50%;
position: absolute;
top:0;
-webkit-transform: rotate(45deg);
}
.rightcircle{
border-top:20px solid #ccc;
border-right:20px solid #ccc;
border-left:20px solid #ccc;
border-bottom:20px solid #ccc;
right:0;
}
.leftcircle{
border-bottom:20px solid #ccc;
border-left:20px solid #ccc;
border-top:20px solid #ccc;
border-right:20px solid #ccc;
left:0;
}
.percent {
position: absolute;
top: 90;
left: 85;
}
</style>
</head>
<body>
<div class="circleProgress_wrapper">
<div class="wrapper right">
<div class="circleProgress rightcircle"></div>
</div>
<div class="wrapper left">
<div class="circleProgress leftcircle"></div>
</div>
<span class="percent" int-percent='100'>100%</span>
</div>
</body>
</html>
<script type="text/javascript" src="jquery-1.8.3.min.js" ></script>
<script>
var deg = {percent:100,left:225,leftBC:"#ccc",right:225,rightBC:"#ccc"};
var pint;
$(function(){
loadPercent($(".percent").attr("int-percent"));
pint = setInterval("refreshPercent()",100);
});
function refreshPercent() {
var percent = $(".percent").attr("int-percent");
if (percent>0) {
percent--;
} else if (percent == 0){
percent = 100;
}
$(".percent").attr("int-percent",percent);
$(".percent").html(percent+"%");
if (percent==48) {
window.clearInterval(pint);
}
deg.percent=percent;
loadPercent(percent);
}
function loadPercent(percent) {
var allDeg = countDegByPercent(percent);
if (allDeg>=180) {
var tmpDeg = allDeg - 180;
deg.left=45+tmpDeg;
deg.right=225
deg.leftBC="green";
deg.rightBC="green";
} else {
deg.right=45+allDeg;
deg.rightBC="green";
deg.leftBC="#ccc";
}
console.log(deg);
$(".circleProgress.rightcircle").css({"-webkit-transform":"rotate("+deg.right+"deg)","border-left":"20px solid "+deg.rightBC,"border-bottom":"20px solid "+deg.rightBC});
$(".circleProgress.leftcircle").css({"-webkit-transform":"rotate("+deg.left+"deg)","border-top":"20px solid "+deg.leftBC,"border-right":"20px solid "+deg.leftBC});
}
function countDegByPercent(percent) {
return percent*3.6;
}
</script>