PHP:dirname()的用法_Filesystem函數
786
2023-12-15
一、用到的素材
二、代碼如下，重點是js部分
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery九宮格大轉盤抽獎</title>
<style>
#lottery{width:570px;height:510px;margin:0px auto;border:4px solid #ba1809;}
#lottery table{background-color:yellow;}
#lottery table td{position:relative;width:190px;height:170px;text-align:center;color:#333;font-index:-999}
#lottery table td img{display:block;width:190px;height:170px;}
#lottery table td a{width:190px;height:170px;display:block;text-decoration:none;background:url(images/lottery1.jpg) no-repeat top center;}
#lottery table td a:hover{background-image:url(images/lottery2.jpg);}
#lottery table td.active .mask{display:block;}
.mask{
width:100%;
height:100%;
position:absolute;
left:0;
top:0;
background:url(images/mask.png) no-repeat;
display:none;
}
</style>
</head>
<body class="keBody">
<效果html開始-->
<div id="lottery">
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td class="lottery-unit lottery-unit-0"><img src="http://www.gimoo.net/t/1904/images/gift0.jpg"><div class="mask"></div></td>
<td class="lottery-unit lottery-unit-1"><img src="http://www.gimoo.net/t/1904/images/gift1.jpg"><div class="mask"></div></td>
<td class="lottery-unit lottery-unit-2"><img src="http://www.gimoo.net/t/1904/images/gift2.jpg"><div class="mask"></div></td>
</tr>
<tr>
<td class="lottery-unit lottery-unit-7"><img src="http://www.gimoo.net/t/1904/images/gift7.jpg"><div class="mask"></div></td>
<td><a ></a></td>
<td class="lottery-unit lottery-unit-3"><img src="http://www.gimoo.net/t/1904/images/gift3.jpg"><div class="mask"></div></td>
</tr>
<tr>
<td class="lottery-unit lottery-unit-6"><img src="http://www.gimoo.net/t/1904/images/gift6.jpg"><div class="mask"></div></td>
<td class="lottery-unit lottery-unit-5"><img src="http://www.gimoo.net/t/1904/images/gift5.jpg"><div class="mask"></div></td>
<td class="lottery-unit lottery-unit-4"><img src="http://www.gimoo.net/t/1904/images/gift4.jpg"><div class="mask"></div></td>
</tr>
</table>
</div>
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script type="text/javascript">
var lottery={
index:-1, //當前轉動到哪個位置，起點位置
count:0, //總共有多少個位置
timer:0, //setTimeout的ID，用clearTimeout清除
speed:20, //初始轉動速度
times:0, //轉動次數
cycle:50, //轉動基本次數：即至少需要轉動多少次再進入抽獎環節
prize:-1, //中獎位置
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();//轉動過程調用的是lottery的roll方法，這里是第一次調用初始化
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);//循環調用
}
return false;
}
var click=false;
window.onload=function(){
lottery.init('lottery');
$("#lottery a").click(function(){
if (click) {//click控制一次抽獎過程中不能重復點擊抽獎按鈕，后面的點擊不響應
return false;
}else{
lottery.speed=100;
roll(); //轉圈過程不響應click事件，會將click置為false
click=true; //一次抽獎完成后，設置click為true，可繼續抽獎
return false;
}
});
};
</script>
<效果html結束-->
</body>
</html>
效果如下：
三、注意事項
.mask開始如下，用的是rgba，但是IE8不兼容，改為使用png圖片background:url(images/mask.png) no-repeat;
.mask {
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
background-color: rgba(252,211,4,0.5);
display: none
}
希望大家可以從小編整理的這篇文章中有所收獲，對大家實現抽獎功能有所幫助。
