效果如下：
index code:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>抽奖转盘</title>
<link rel="stylesheet" href="css/demo.css"/>
</head>
<body>
<div class="turntable-bg">
<!--<div class="mask"><img src="images/award_01.png"/></div>-->
<div class="pointer"><img src="images/pointer.png" alt="pointer"/></div>
<div class="rotate" ><img id="rotate" src="images/turntable.png" alt="turntable"/></div>
</div>
</body>
</html>
<script src="js/jquery.min.js"></script>
<script src="js/awardRotate.js"></script>
<script>
$(function (){
var rotateTimeOut = function (){
$('#rotate').rotate({
angle:0,
animateTo:2160,
duration:8000,
callback:function (){
alert('网络超时，请检查您的网络设置！');
}
});
};
var bRotate = false;
var rotateFn = function (awards, angles, txt){
bRotate = !bRotate;
$('#rotate').stopRotate();
$('#rotate').rotate({
angle:0,
animateTo:angles+1800,
duration:8000,
callback:function (){
alert(txt);
bRotate = !bRotate;
}
})
};
$('.pointer').click(function (){
if(bRotate)return;
var item = rnd(0,7);
switch (item) {
case 0:
//var angle = [26, 88, 137, 185, 235, 287, 337];
rotateFn(0, 337, '未中奖');
break;
case 1:
//var angle = [88, 137, 185, 235, 287];
rotateFn(1, 26, '免单4999元');
break;
case 2:
//var angle = [137, 185, 235, 287];
rotateFn(2, 88, '免单50元');
break;
case 3:
//var angle = [137, 185, 235, 287];
rotateFn(3, 137, '免单10元');
break;
case 4:
//var angle = [185, 235, 287];
rotateFn(4, 185, '免单5元');
break;
case 5:
//var angle = [185, 235, 287];
rotateFn(5, 185, '免单5元');
break;
case 6:
//var angle = [235, 287];
rotateFn(6, 235, '免分期服务费');
break;
case 7:
//var angle = [287];
rotateFn(7, 287, '提高白条额度');
break;
}
// console.log(item);
});
});
function rnd(n, m){
return Math.floor(Math.random()*(m-n+1)+n)
}
</script>