zdgdq的专栏

$prizeList = [1=>["id"=>1,"name"=>'A',"chance"=>50],2=>["id"=>2,"name"=>'B',"chance"=>80],3=>["id"=>3,"name"=>'C',"chance"=>70]]; $arr = [1=>50,2=>80,3=>70]; $prize_id = get_rand($arr); //根据概率获取奖项id function get