<script type="text/javascript">
$(function(){
var $rotaryArrow = $('#rotaryArrow');
var $result = $('#result');
var $resultTxt = $('#resultTxt');
var $resultBtn = $('#result');
$rotaryArrow.click(function(){
var data = [0, 1, 2, 3, 4, 5, 6, 7];
data = data[Math.floor(Math.random()*data.length)];
switch(data){
case 1:
rotateFunc(1,87,'恭喜您获得了 <em>1</em> 元代金券');
break;
case 2:
rotateFunc(2,43,'恭喜您获得了 <em>5</em> 元代金券');
break;
case 3:
rotateFunc(3,134,'恭喜您获得了 <em>10</em> 元代金券');
break;
case 4:
rotateFunc(4,177,'很遗憾，这次您未抽中奖，继续加油吧');
break;
case 5:
rotateFunc(5,223,'恭喜您获得了 <em>20</em> 元代金券');
break;
case 6:
rotateFunc(6,268,'恭喜您获得了 <em>50</em> 元代金券');
break;
case 7:
rotateFunc(7,316,'恭喜您获得了 <em>30</em> 元代金券');
break;
default:
rotateFunc(0,0,'很遗憾，这次您未抽中奖，继续加油吧');
}
});
var rotateFunc = function(awards,angle,text){ //awards:奖项，angle:奖项对应的角度
$rotaryArrow.stopRotate();
$rotaryArrow.rotate({
angle: 0,
duration: 5000,
animateTo: angle + 1440, //angle是图片上各奖项对应的角度，1440是让指针固定旋转4圈
callback: function(){
$resultTxt.html(text);
$result.show();
}
});
};
$resultBtn.click(function(){
$result.hide();
});
});
</script>