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。
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HTML
首先我们在#lottery放置12个奖品,代码如下:
<div id="lottery">
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td class="lottery-unit lottery-unit-0"><img src="images/1.png"></td>
<td class="lottery-unit lottery-unit-1"><img src="images/2.png"></td>
<td class="lottery-unit lottery-unit-2"><img src="images/4.png"></td>
<td class="lottery-unit lottery-unit-3"><img src="images/3.png"></td>
</tr>
<tr>
<td class="lottery-unit lottery-unit-11"><img src="images/7.png"></td>
<td colspan="2" rowspan="2"><a href="#"></a></td>
<td class="lottery-unit lottery-unit-4"><img src="images/5.png"></td>
</tr>
<tr>
<td class="lottery-unit lottery-unit-10"><img src="images/1.png"></td>
<td class="lottery-unit lottery-unit-5"><img src="images/6.png"></td>
</tr>
<tr>
<td class="lottery-unit lottery-unit-9"><img src="images/3.png"></td>
<td class="lottery-unit lottery-unit-8"><img src="images/6.png"></td>
<td class="lottery-unit lottery-unit-7"><img src="images/8.png"></td>
<td class="lottery-unit lottery-unit-6"><img src="images/7.png"></td>
</tr>
</table>
</div>
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(
'0' => array('id' => 1, 'prize' => '一等奖', 'v' => 5),
'1' => array('id' => 2, 'prize' => '二等奖', 'v' => 5),
'2' => array('id' => 3, 'prize' => '三等奖', 'v' => 5),
'3' => array('id' => 4, 'prize' => '四等奖', 'v' => 5),
'4' => array('id' => 5, 'prize' => '五等奖', 'v' => 5),
'5' => array('id' => 6, 'prize' => '六等奖', 'v' => 5),
'6' => array('id' => 7, 'prize' => '七等奖', 'v' => 5),
'7' => array('id' => 8, 'prize' => '八等奖', 'v' => 5),
'8' => array('id' => 9, 'prize' => '九等奖', 'v' => 5),
'9' => array('id' => 10, 'prize' => '十等奖', 'v' => 5),
'10' => array('id' => 11, 'prize' => '十一等奖', 'v' => 25),
'11' => array('id' => 12, 'prize' => '十二等奖', 'v' => 25),
);
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