PHP-大转盘礼包概率
// 因为一些敏感信息和词语.上午iteye自动将博客锁定，所以就不多说,这大转盘中间还有一个像时钟的指针的图片就不放上去啦。<?php
class TestAction extends BaseAction{
// 单一礼品概率 http://localhost/index.php/test/getAward
public function getAward()
{
$r =rand(1,100);
$num = 0;
$award_id = 0;
$awards['0']['award_name'] = '没有抽中';
$awards['0']['award_pro'] = '0.8'; // 抽中的概率是 80%
$awards['0']['award_card_type'] = '0';
$awards['0']['award_type'] = '0';
$awards['1']['award_name'] = '《鬼武者魂》激活码';
$awards['1']['award_pro'] = '0.2'; // 抽中的概率是 20%
$awards['1']['award_card_type'] = '1';
$awards['1']['award_type'] = '0';
foreach($awards as $k=>$v)
{
$tmp = $num;
$num += $v['award_pro']*100;
if($r>$tmp && $r<=$num)
{
$award_id = $k;
break;
}
}
echo '<pre>';
print_r($award_id);
print_r($awards[$award_id]);exit;
/*
1
Array
(
=> 《鬼武者魂》激活码
=> 0.2
=> 1
=> 0
)*/
}
// 多种礼包类型概率(大转盘) http://test12242013.86joy.com/Activity/index.php/GwzPayLottery
//http://localhost/index.php/test/getAwardsome
public function getAwardsome()
{
$sometypes_award = array(
'award' =>array(
array(
'award_id' => 3796,
'award_name'=>'知石（极）*3', // 奖品内容
'award_pro' => 0.17, // 概率
'award_gift_id' => 297, // 礼包ID
'award_gift_name' => '国庆大转盘（知石）' // 标题
),
array(
'award_id' => 3647,//47 2
'award_name'=>'物语全回复药 * 5', // 奖品内容
'award_pro' => 0.085,// 该礼包概率
'award_gift_id' => 304, // 礼包ID
'award_gift_name' => '国庆大转盘（物语全回复药）' // 标题
),
array(
'award_id' => 3700,//100 4
'award_name'=>'万能进化祭品G3 * 1',
'award_pro' => 0.017,
'award_gift_id' => 306,
'award_gift_name' => '国庆大转盘（万能进化祭品）'
),
array(
'award_id' => 3735,//135 5
'award_name'=>'大殊勋宝珠 * 1',
'award_pro' => 0.014,
'award_gift_id' => 307,
'award_gift_name' => '国庆大转盘（大殊勋宝珠）'
),
array(
'award_id' => 3822,//222
'award_name'=>'防石（极）*3',
'award_pro' => 0.17,
'award_gift_id' => 298,
'award_gift_name' => '国庆大转盘（防石）'
),
array(
'award_id' => 3688,//88 3
'award_name'=>'秘传继承护符（魂） * 1',
'award_pro' => 0.051,
'award_gift_id' => 305,
'award_gift_name' => '国庆大转盘（秘传继承护符）'
),
array(
'award_id' => 3908,//308
'award_name'=>'神石（极） * 3',
'award_pro' => 0.059,
'award_gift_id' => 301,
'award_gift_name' => '国庆大转盘（神石）'
),
array(
'award_id' => 3616,//16 1
'award_name'=>'恶鬼全回复药 * 5',
'award_pro' => 0.085,
'award_gift_id' => 303,
'award_gift_name' => '国庆大转盘（恶鬼全回复药）'
),
array(
'award_id' => 3849,//249
'award_name'=>'攻石（极）*3',
'award_pro' => 0.17,
'award_gift_id' => 299,
'award_gift_name' => '国庆大转盘（攻石）'
),
array(
'award_id' => 3885,//285
'award_name'=>'武将强化祭品【藤】 * 9',
'award_pro' => 0.086,
'award_gift_id' => 300,
'award_gift_name' => '国庆大转盘（强化祭品）'
),
array(
'award_id' => 3935,//335
'award_name'=>'內政全回复药 * 5',
'award_pro' => 0.085,
'award_gift_id' => 302,
'award_gift_name' => '国庆大转盘（内政全回复药）'
),
array(
'award_id' => 3760,//160
'award_name'=>'黄魂 * 3000',
'award_pro' => 0.008,
'award_gift_id' => 308,
'award_gift_name' => '国庆大转盘（黄魂）'
),
)
);
$r =rand(1,100);
$num = 0;
$award_id = 0;
$awards = $sometypes_award['award'];
foreach($awards as $k=>$v)
{
$tmp = $num;
$num += $v['award_pro']*100;
if($r>$tmp && $r<=$num)
{
$award_id = $k;
break;
}
}
echo '<pre>';
print_r($award_id);
print_r($awards[$award_id]);exit;
/*
8
Array
(
=> 3849
=> 攻石（极）*3
=> 0.17
=> 299
=> 国庆大转盘（攻石）
)*/
}
}
?>
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