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九宫格大转盘抽奖

自己整理的希望能帮到一些人,我自己也是受益者,现在感觉好容易,只是逻辑有点小转看两遍也就会了,不比网站的强,而且不用花钱,还实用,自己延伸更易懂

html页面

<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8" />
	<title>抽奖</title>
	<link rel="stylesheet" type="text/css" href="http://www.mamicode.com/css/main.css" />
	<script src="http://www.mamicode.com/js/jquery-1.11.2.min.js" type="text/javascript">
			
		</script>
		<!--<style>
			.active{opacity: 0.5;}
		</style>-->
</head>
<body>
	<div id=‘lottery‘ class="dakuang"><!--大框开始-->
		<div class="zhongkuang"><!--中框开始-->
			<div class="xiaoge"><!--中间小格9个-->
				<img src="http://www.mamicode.com/images/1_03.jpg" class="tupian lottery-unit lottery-unit-0" />
			</div>
			<div class="xiaoge">
				<img src="http://www.mamicode.com/images/2_03.jpg" class="tupian lottery-unit lottery-unit-1" />
			</div>
			<div class="xiaoge">
				<img src="http://www.mamicode.com/images/3_03.jpg" class="tupian lottery-unit lottery-unit-2" />
			</div>
			<div class="xiaoge">
				<img src="http://www.mamicode.com/images/4_03.jpg" class="tupian lottery-unit lottery-unit-7" />
			</div>
			<div class="xiaoge xiaogezhong">
				<img src="http://www.mamicode.com/images/5_03.jpg" class="tupian" />
			</div>
			<div class="xiaoge">
				<img src="http://www.mamicode.com/images/6_03.jpg" class="tupian lottery-unit lottery-unit-3" />
			</div>
			<div class="xiaoge">
				<img src="http://www.mamicode.com/images/7_03.jpg" class="tupian lottery-unit lottery-unit-6" />
			</div>
			<div class="xiaoge">
				<img src="http://www.mamicode.com/images/8_03.jpg" class="tupian lottery-unit lottery-unit-5" />
			</div>
			<div class="xiaoge">
				<img src="http://www.mamicode.com/images/9_03.jpg" class="tupian lottery-unit lottery-unit-4" />
			</div>
		</div><!--中框结束-->
	
	</div><!--大框结束-->
</body>
<script src="http://www.mamicode.com/js/main.js" type="text/javascript" charset="utf-8"></script>

</html>

  技术分享

ps弄图方法

自己整理的希望能帮到一些人,我自己也是受益者,现在感觉好容易,只是逻辑有点小转看两遍也就会了,不比网站的强,而且不用花钱,还实用,自己延伸更易懂

技术分享

技术分享原版

 

css页面

@charset "utf-8";
/* CSS Document */
*{
	margin:0px auto;
	padding:0px;
}
/*大框*/
.dakuang{
	width: 670px;
	height: 600px;
	margin-top: 10px;
	background:url(../images/bg.gif);
	border-radius: 20px 20px 20px 20px;
	cursor: pointer;

}
/*中框*/
.zhongkuang{
	width: 603px;
	height: 530px;
	float: left;
	margin-top: 30px;
	margin-left: 30px;
	border: 4px solid #fd755b;/*显示四边*/
	
}
/*中间九个小格*/
.xiaoge{
	width: 200px;
	height: 176px;
	float: left;
}
.tupian{
	width: 200px;
	height: 176px;
	border: 1px solid #FFFFFF;/*显示四边*/
}
.shangdeng{
	width: 670px;
	height: 25px;
	
}
.shangdeng1{
	width: 668px;
	height: 20px;
	list-style: none;/*去点*/
	text-align: center;
	vertical-align: middle;
	line-height: 20px;
	
	
}
.shangdeng2{
	width: 17px;
	height: 17px;
	background-color: #FFFFFF;
	border-radius: 7px 7px 7px 7px;
	cursor: pointer;
	float: left;
	
}
.active{background-color:#ea0000; opacity: 0.5;}

  js页面

var lottery={

	index:-1,	//当前转动到哪个位置,起点位置

	count:0,	//总共有多少个位置

	timer:0,	//setTimeout的ID,用clearTimeout清除

	speed:20,	//初始转动速度

	times:0,	//转动次数

	cycle:50,	//转动基本次数:即至少需要转动多少次再进入抽奖环节

	prize:-1,	//中奖位置

	init:function(id){

		if ($("#"+id).find(".lottery-unit").length>0) {

			$lottery = $("#"+id);

			$units = $lottery.find(".lottery-unit");

			this.obj = $lottery;

			this.count = $units.length;

			$lottery.find(".lottery-unit-"+this.index).addClass("active");

		};

	},

	roll:function(){

		var index = this.index;

		var count = this.count;

		var lottery = this.obj;

		$(lottery).find(".lottery-unit-"+index).removeClass("active");

		index += 1;

		if (index>count-1) {

			index = 0;

		};

		$(lottery).find(".lottery-unit-"+index).addClass("active");

		this.index=index;

		return false;

	},

	stop:function(index){

		this.prize=index;

		return false;

	}

};



function roll(){

	lottery.times += 1;

	lottery.roll();

	if (lottery.times > lottery.cycle+10 && lottery.prize==lottery.index) {

		clearTimeout(lottery.timer);

		lottery.prize=-1;

		lottery.times=0;

		click=false;

	}else{

		if (lottery.times<lottery.cycle) {

			lottery.speed -= 10;

		}else if(lottery.times==lottery.cycle) {

			var index = Math.random()*(lottery.count)|0;

			lottery.prize = index;		

		}else{

			if (lottery.times > lottery.cycle+10 && ((lottery.prize==0 && lottery.index==7) || lottery.prize==lottery.index+1)) {

				lottery.speed += 110;

			}else{

				lottery.speed += 20;

			}

		}

		if (lottery.speed<40) {

			lottery.speed=40;

		};

		//console.log(lottery.times+‘^^^^^^‘+lottery.speed+‘^^^^^^^‘+lottery.prize);

		lottery.timer = setTimeout(roll,lottery.speed);

	}

	return false;

}



var click=false;



window.onload=function(){

	lottery.init(‘lottery‘);

	$(".xiaogezhong").click(function(){

		if (click) {

			return false;

		}else{

			lottery.speed=100;

			roll();

			click=true;

			return false;

		}

	});

};

九宫格大转盘抽奖