代码效果图

代码说明

PHP + AJAX实现幸运大转盘抽奖，通过奖品库存、中奖次数来计算中奖概率

/**
 * 中奖机率计算
 */
function lottery_json() {
    //奖品设置
    $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",
        ),
    );

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