分享一款jQuery九宫格大转盘抽奖代码网页特效,点击抽奖按钮开始随机抽奖选择奖品,可设置起点位置、奖品数量、转动次数、中奖位置参数,并且后台ajax.php可设置奖品和中奖概率。
首先我们在#lottery放置12个奖品,代码如下:<div> <br>
<table> <br>
<tr> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/1.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/2.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/4.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/3.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
</tr> <br>
<tr> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/7.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
<td><a></a></td> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/5.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
</tr> <br>
<tr> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/1.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/6.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
</tr> <br>
<tr> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/3.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/6.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/8.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
<td><img src="/static/imghwm/default1.png" data-src="images/7.png" class="lazy" alt="PHP+jQuery+Ajax设置抽奖奖品和中奖概率" ></td> <br>
</tr> <br>
</table> <br>
</div>
点击“开始抽奖”按钮,并且远程ajax.php获取奖项:$(function() { <br>
lottery.init('lottery'); <br>
$("#lottery a").click(function() { <br>
if (click) { <br>
return false; <br>
} else { <br>
lottery.speed = 100; <br>
$.post("ajax.php", { <br>
uid: 1 <br>
}, <br>
function(data) { //获取奖品,也可以在这里判断是否登陆状态 <br>
$("#lottery").attr("prize_site", data.prize_site); <br>
$("#lottery").attr("prize_id", data.prize_id); <br>
$("#lottery").attr("prize_name", data.prize_name); <br>
roll(); <br>
click = true; <br>
return false; <br>
}, <br>
"json") <br>
} <br>
}); <br>
})
Ajax.php
12个奖品数组如下,其中prize表示奖项内容,v表示中奖几率(若数组中七个奖项的v的总和为100,如果v的值为1,则代表中奖几率为1%,依此类推)$prize_arr = array( <br>
'0' => array('id' => 1, 'prize' => '一等奖', 'v' => 5), <br>
'1' => array('id' => 2, 'prize' => '二等奖', 'v' => 5), <br>
'2' => array('id' => 3, 'prize' => '三等奖', 'v' => 5), <br>
'3' => array('id' => 4, 'prize' => '四等奖', 'v' => 5), <br>
'4' => array('id' => 5, 'prize' => '五等奖', 'v' => 5), <br>
'5' => array('id' => 6, 'prize' => '六等奖', 'v' => 5), <br>
'6' => array('id' => 7, 'prize' => '七等奖', 'v' => 5), <br>
'7' => array('id' => 8, 'prize' => '八等奖', 'v' => 5), <br>
'8' => array('id' => 9, 'prize' => '九等奖', 'v' => 5), <br>
'9' => array('id' => 10, 'prize' => '十等奖', 'v' => 5), <br>
'10' => array('id' => 11, 'prize' => '十一等奖', 'v' => 25), <br>
'11' => array('id' => 12, 'prize' => '十二等奖', 'v' => 25), <br>
);
获取随机奖品:foreach ($prize_arr as $k=>$v) { <br>
$arr[$v['id']] = $v['v']; <br>
<br>
} <br>
<br>
$prize_id = getRand($arr); //根据概率获取奖项id <br>
foreach($prize_arr as $k=>$v){ //获取前端奖项位置 <br>
if($v['id'] == $prize_id){ <br>
$prize_site = $k; <br>
break; <br>
} <br>
} <br>
$res = $prize_arr[$prize_id - 1]; //中奖项 <br>
<br>
$data['prize_name'] = $res['prize']; <br>
$data['prize_site'] = $prize_site;//前端奖项从-1开始 <br>
echo json_encode($data);
PHP抽奖演示:http://www.sucaihuo.com/php/129.html
PHP+jQuery+Ajax九宫格抽奖转盘.zip
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