PrizeClient的getPrize方法
DPrizeActivity獲取活動(dòng)整體信息;
DPrizeHelper::prize( $iid, $uid, true,$prizeActivity);方法抽獎(jiǎng)
抽獎(jiǎng)實(shí)現(xiàn):
$max = 1000000;
$rand = rand(0, $max * 100);
$end = $num + $max * $scratch['chance'];中獎(jiǎng)幾率
if($rand >= $num && $rand < $end)