无需激活直接同步登入discuz，php代码（直接可用）

<?php
/**
 * 抽奖
 * @param int $total
 */
function getReward($total=1000)
{
    $win1 = floor((0.12*$total)/100);
    $win2 = floor((3*$total)/100);
    $win3 = floor((12*$total)/100);
    $other = $total-$win1-$win2-$win3;
    $return = array();
    for ($i=0;$i<$win1;$i++)
    {
        $return[] = 1;
    }
    for ($j=0;$j<$win2;$j++)
    {
        $return[] = 2;
    }
    for ($m=0;$m<$win3;$m++)
    {
        $return[] = 3;
    }
    for ($n=0;$n<$other;$n++)
    {
        $return[] = '谢谢惠顾';
    }
    shuffle($return);
    return $return[array_rand($return)];
}

$data = getReward();
echo $data;
?>