js代码

<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/jquery.rotate.min.js" ></script>
<script type="text/javascript" src="js/swiper-3.4.2.jquery.min.js" ></script>
<script>
//只需要更换turnplate的id就可以更换相应的奖品
var turnplate={
	restaraunts:["iphone x", "100话费红包", "周大福吊坠", "50个赠币", "爱奇艺月卡", "1个赠币", "欧乐B牙刷", "1个积分"],       //大转盘奖品名称
	rotateFlag:false,      //false:停止;ture:旋转
	id:1     //抽中的id 1:iphone x  2:100话费红包   3:周大福吊坠 ......
};
$(document).ready(function(){
	//旋转转盘 item:奖品位置; txt：提示语;
	var rotateFn = function (item, txt){
		var angles = item * (360 / turnplate.restaraunts.length) - (360 / (turnplate.restaraunts.length*2));
		if(angles<270){
		 angles = 270 - angles; 
		}else{
		  angles = 360 - angles + 270;
		}
		$('.turntable_box').stopRotate();
		$('.turntable_box').rotate({
			angle:0,
			animateTo:angles+1800+22.5,
			duration:8000,
			callback:function (){
				alert(txt);
				turnplate.rotateFlag = !turnplate.rotateFlag;
			}
		});
	};

	$('.pointer').click(function (){
		if(turnplate.rotateFlag)return;
		turnplate.rotateFlag = !turnplate.rotateFlag;
		var item = turnplate.id;
		//指针落在对应奖品区域的中心角度
		rotateFn(item-2, turnplate.restaraunts[item-1]);
		//console.log(item);
	});	
	
	var swiper = new Swiper('.list', {
		direction: 'vertical',
		autoplay: true,
		speed:1300,
		loop:true
	});
  
});  
</script>