抽奖大转盘演示：http://www.sucaihuo.com/php/3301.htmlfunction getRand($proArr, $proCount) {     $result = '';     $proSum = 0;     foreach ($proCount as $key => $val) {         if ($val <= 0) {             continue;         } else {             $proSum = $proSum + $proArr[$key];         }     }     foreach ($proArr as $key => $proCur) {         if ($proCount[$key] <= 0) {             continue;         } else {             $randNum = mt_rand(1, $proSum);             if ($randNum <= $proCur) {                 $result = $key;                 break;             } else {                 $proSum -= $proCur;             }         }     }     unset($proArr);     return $result; }

$prizes = array(         0 => array(             "id" => 0, //中奖id             "name" => "谢谢参与", //奖品名称             "count" => "100", //库存         ),         1 => array(             "id" => 1,             "name" => "罗浮山门票",             "count" => "40",         ),         2 => array(             "id" => 2,             "name" => "罗浮山嘉宝田温泉体验券",             "count" => "40",         ),         3 => array(             "id" => 3,             "name" => "精美旅游书籍《山水酿惠州》",             "count" => "40",         ),         4 => array(             "id" => 4,             "name" => "碧海湾漂流门票",             "count" => "40",         ),         5 => array(             "id" => 5,             "name" => "南昆山门票",             "count" => "40",         ),         6 => array(             "id" => 6,             "name" => "云顶温泉精美礼品",             "count" => "40",         ),     );