把之前寫的一個小玩意記錄下來：
<!--2018年9月12日——————幸運抽獎-->
<!DOCTYPE html>
<html>
<head>
<title></title>
<style type="text/css">
.select{
background: #3399FF;
color:white;
}
.button{
border-radius: 10px;
height: 100px;
font-size: 25px;
width: 100px;
background-color: #3399FF;
color: white;
}
.title{
font-family: cursive;
}
</style>
</head>
<body>
<div style="text-align:-webkit-center;font-size: 57px;color: #3399FF;" class="title">抽獎人員名單</div>
<table style="border:1px solid #ccc; width:800px; height:400px; text-align: center; margin: auto;" background="C:\Users\Administrator\Desktop\%application%\360壁紙\50736.jpg" >
<tr>
<td id="student_1">謝林峯</td>
<td id="student_2">卿明珠</td>
<td id="student_3">袁龍</td>
<td id="student_4">周志明</td>
<td id="student_5">秦玉萍</td>
<td id="student_6">金暉</td>
<td id="student_7">陶靈峯</td>
<td id="student_8">廖楊明</td>
</tr>
<tr>
<td id="student_9">胡雄</td>
<td id="student_10">胡俊凡</td>
<td id="student_11">李欣</td>
<td id="student_12">易君</td>
<td id="student_13">湛威</td>
<td id="student_14">古海平</td>
<td id="student_15">潘傑傑</td>
<td id="student_16">伍光政</td>
</tr>
<tr>
<td id="student_17">譚談</td>
<td id="student_18">周強</td>
<td id="student_19">陳輝</td>
<td id="student_20">李庚雲</td>
<td id="student_21">吳玉風</td>
<td id="student_22">伍鵬</td>
<td id="student_23">蔡東龍</td>
<td id="student_24">胡俊飛</td>
</tr>
<tr>
<td id="student_25">文捷頻</td>
<td id="student_26">唐明</td>
<td id="student_27">吳鑫培</td>
<td id="student_28">唐翌</td>
<td id="student_29">鄒家歡</td>
<td id="student_30">劉朋</td>
<td id="student_31">周文才</td>
<td id="student_32">陽小松</td>
</tr>
<tr>
<td id="student_33">張明博</td>
<td id="student_34">嚴偉</td>
<td id="student_"></td>
<td id="student_"></td>
<td id="student_"></td>
<td id="student_"></td>
<td id="student_"></td>
<td id="student_"></td>
</tr>
</table>
<sapn style="margin-left: 430px;">抽獎倒計時：</sapn><span id="Ten" style="color:red;font-size: 70px;">10</span>
<span style="color:red">s</span>
<span style="margin-left: 220px;">幸運星:</span>
<span style="font-size: 70px; color: red;" id="Lucky" class="title"></span>
<div style="text-align: -webkit-center;"><button onclick="go()" class="button">走你</button></div>
</body>
<script type="text/javascript">
//鼠標單擊事件
var stuInterval;
var flag = false;
//點擊開始事件
function go(){
if(flag != false){
return;
}
flag = true;
setTimeout(function(){
flag = false;
},15000);
time();//調用時間倒計時方法
//循環選取學生
stuInterval=setInterval(function(){
var ran=Math.floor(Math.random()*34+1);
var id="student_"+ran;
//獲取到文本值並且賦屬性
var td=document.getElementById(id);
//刪除之前的樣式
var stuO = document.getElementsByClassName("select");
if(stuO.length != 0){
stuO[0].setAttribute("class","");
}if(stuO){
td.setAttribute("class","select");
var stuname = td.innerText;
document.getElementById("Lucky").innerText = stuname;
}
},200)
}
//時間倒計時
function time(){
var t=10;
var int=setInterval(function(){
--t;
var tspan=document.getElementById("Ten");
tspan.innerText=t;
if(t==0){
clearInterval(int);
clearInterval(stuInterval);//延時特殊情況
}
},1000);
}
</script>
</html>
