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        var lottery = {	    index: 0, //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: 150, //初始转动速度		times: 0, //转动次数		cycle: 30, //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;		lottery.speed = 150;		clickFlg = false;		lotteryCbk();	} else {		if(lottery.times < lottery.cycle) {			lottery.speed -= 1;		} 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;		};		lottery.timer = setTimeout(roll, lottery.speed);	}	return false;}复制代码