<!DOCTYPE html>
<html lang="zh-CN">
<head>
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<title>年会节庆等活动常用数字滚动抽奖js特效代码</title>
<meta name="keywords" content="年会,节庆,活动,常用,数字滚动,抽奖,js特效代码" />
<meta name="description" content="年会节庆等活动常用数字滚动抽奖js特效代码。" />
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript">
function stops(){
return false;
}
document.oncontextmenu=stops;
</script>
<style>
*{margin:0;padding:0;}
img{display:block;}
i{font-style:normal;}
.vetically{justify-content:center;align-items:center;display:-webkit-flex;}
.prize_con{position: absolute;width: 100%;height: 100%;background: url(https://wx.houxiaoshan.com/choujiang/firstp_bg.jpg) no-repeat left top / 100% 100%;overflow: hidden;}
.prize_grade{font-size:98px;color: #ffe9af;text-align: center;margin: 60px auto 0;}
.prize_list{width:55%;height:230px;margin: 20px auto 55px;text-align: center;overflow: hidden;}
.prize_list ul{width:100%;font-size:0;}
.prize_list li{display:inline-block;font-size:45px;color:#f1bf90;text-align: center;width:20%;line-height:50px;font-family:Arial;}
.start{width: 250px;height: 90px;margin:0 auto;cursor:pointer;}
.prize_set{position: absolute;right: 60px;bottom:140px;font-size: 16px;color: #f7f3e8;line-height: 30px;}
.prize_set li{display: inline-block;margin-left: 20px;}
.set_grade select,.set_people input, .set_money input{background: #fff;width:110px;height:36px;border:1px solid #8f0000;margin-left: .1rem;color: #000;padding-left:10px;}
</style>
</head>
<body>
<div class="wrap">
<div class="prize_con">
<p class="prize_grade"><span>开始抽奖</span></p>
<div class="prize_list vetically">
<ul>
<li>000</li>
<li>000</li>
<li>000</li>
<li>000</li>
<li>000</li>
<li>000</li>
<li>000</li>
<li>000</li>
<li>000</li>
<li>000</li>
 
</ul>
</div>
<p class="start"><img src="https://wx.houxiaoshan.com/choujiang/prize_start.png" alt=""></p>
<ul class="prize_set">
<li class="set_grade">奖等
<select id="set_grade">
<option>选择奖等</option>
<option>特等奖</option>
<option>一等奖</option>
<option>二等奖</option>
<option>三等奖</option>
</select>
</li>
<li class="set_people">人数<input type="tel" placeholder="输入中奖人数" id="prizeCount"></li>
</ul>
</div>
</div>
<input type="hidden" value="0" id="prize_btn">
<script>
var myNumber;
var arr = [];
var code = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80];

/*随机所有的code并且不重复*/
function showRandomNum(num) {
var li = "";
arr = [];
for(var i = 0; i < code.length; i++){
arr[i] = i;
//console.log(arr[i]); //取到的数是0-79；
}
arr.sort(function(){
return 0.5 - Math.random();
});
console.log(arr) //数组有80个数，0-79
for(var i = 0; i < num; i++){
var index = arr[i];
li += '<li>'+code[index]+'</li>';
}
//console.log(code[index]);
$(".prize_list ul").html(li);
}

$(function () {
$(".start").click(function(){
if($("#prize_btn").val() == 0){
if($("#set_grade").val() == "选择奖等") {
alert("请选择奖等");
return;
}else if($("#prizeCount").val() == "") {
alert("请输入中奖人数");
return;
}else if($("#prizeCount").val() > 10) {
alert("单次抽奖人数不能超过10人");
return;
}else{
$("#prize_btn").val(1);
var num = $("#prizeCount").val();
$(this).find("img").attr("src","https://wx.houxiaoshan.com/choujiang/prize_stop.png");

myNumber = setInterval(function(){
showRandomNum(num);
}, 30);
}
}else{
$("#prize_btn").val(0);
clearInterval(myNumber);
$(this).find("img").attr("src","https://wx.houxiaoshan.com/choujiang/prize_start.png");

//console.log( $(".prize_list ul"));
var a = $(".prize_list ul li").length;
//console.log(a);
for(var b=0;b<a;b++){
//console.log(b);
var value = $(".prize_list ul").find("li").eq(b).html();
console.log(value); //中奖的数字
 
for(var x=0;x<code.length;x++){
if(code[x]==value){
code.splice(x,1);
}
}
}
console.log(code);
}
});


//回车键控制开始和停止
$(document).keydown(function (event) {
var e = event || window.event || arguments.callee.caller.arguments[0];
if (e && e.keyCode == 13) { // enter 键
$(".start").click();
}
});

$("#set_grade").change(function(){
$(".prize_grade span").text($(this).val());
});
});
</script>
</body>
</html>