<!DOCTYPE html>
<html>
<head>
<title>超级大LE透模拟</title>
</head>
<div id="container">
超级大LE透
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规则:超级大LE透基本投注是指从前区号码中任选5个号码,并从后区号码中任选2个号码的组合进行投注。其中,前区号码由01—35共35个号码组成,后区号码由01—12共12个号码组成。每注基本投注金额人民币2元。
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一等奖
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投注号码与当期开奖前后区相同,顺序不限;
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即前5个相同(不限顺序),后2个相同(不限顺序)...
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希望没理解错
</div>
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<button onClick="main()">开始抽奖</button>
<body>
<script type="text/javascript">
// main();
// 主函数
function main(){
var winNums = getLotteryNums();// 获取开奖号码
document.querySelectorAll("button")[0].style.display = "none";// 隐藏按钮
show("本期开奖号码:"+JSON.stringify(winNums));
show("开始购买...");
show("购买中...请稍后..."); var buyCount = 1;// 购买次数统计
var isFirstPrizeB = false;// 是否中奖
setTimeout(function(){// 稍微延迟让dom有写入时间
while(!isFirstPrizeB){// 如果没中奖则继续调用buyLottery()购买彩票
isFirstPrizeB = isFirstPrize(winNums,buyLottery());
buyCount++;
}
show("购买次数:"+buyCount+"次");
show("花费:"+(buyCount*2)+"元");
},50);
} // 随机获取7位号码(前区在[1-35]之间获取,后区在[1-12]之间获取)
function getLotteryNums(){
var nums = []; while(nums.length < 7){
var oneNum = nums.length >= 5 ? getRandomIntInclusive(1,12) : getRandomIntInclusive(1,35);
if(nums.indexOf(oneNum) > -1){
continue;
}
nums.push(oneNum);
}
return nums;
} // 购买彩票
function buyLottery(){
return getLotteryNums();
} // 是否头奖中奖
function isFirstPrize(winNums,buyNums){
var winNumsTop = getNumsTop(winNums);
var winNumsEnd = getNumsEnd(winNums);
var buyNumsTop = getNumsTop(buyNums);
var buyNumsEnd = getNumsEnd(buyNums);
for(var i in buyNumsTop){
var r = buyNumsTop[i];
if(winNumsTop.indexOf(r) <= -1){
return false;
}
} for(var i in buyNumsEnd){
var r = buyNumsEnd[i];
if(winNumsEnd.indexOf(r) <= -1){
return false;
}
}
show("中奖了!");
show("你买的号码是:" + JSON.stringify(buyNums));
return true;
} // 获取前区号码(前5位)
function getNumsTop(Nums){
return Nums.slice(0,5);
} // 获取后区号码(后2位)
function getNumsEnd(Nums){
return Nums.slice(-2);
} // 在值域为[min,max]的集合中获取一个随机整数
function getRandomIntInclusive(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min; //The maximum is inclusive and the minimum is inclusive
} // 写内容到dom
function show(html){
console.log(html);
var oriHtml = document.getElementById("container").innerHTML;
document.getElementById("container").innerHTML = oriHtml + "<br>" + html +"<br>";
}
</script>
</body>
</html>
执行结果: