使用PHP开发的商城限时抢购活动时间设置策略解析

// 将时间戳转换为人可读的时间
function timestamp_to_datetime($timestamp) {
    return date('Y-m-d H:i:s', $timestamp);
}

// 将人可读的时间转换为时间戳
function datetime_to_timestamp($datetime) {
    return strtotime($datetime);
}

// 示例：将当前时间转换为时间戳和人可读时间
$nowTimestamp = time();
$nowDatetime = timestamp_to_datetime($nowTimestamp);

echo "当前时间戳：" . $nowTimestamp . "
";
echo "当前时间：" . $nowDatetime . "
";

// 判断限时抢购活动是否正在进行
function is_groupon_live($startDatetime, $endDatetime) {
    $nowDatetime = timestamp_to_datetime(time());

    if ($nowDatetime >= $startDatetime && $nowDatetime <= $endDatetime) {
        return true;
    } else {
        return false;
    }
}

// 示例：判断当前时间是否在活动进行时间内
$startDatetime = '2021-08-01 10:00:00';
$endDatetime = '2021-08-01 12:00:00';
$isLive = is_groupon_live($startDatetime, $endDatetime);

if ($isLive) {
    echo "现在正是限时抢购活动进行的时间！
";
} else {
    echo "限时抢购活动尚未开始或已结束。
";
}

// 获取倒计时的时、分、秒
function get_countdown($endDatetime) {
    $nowTimestamp = time();
    $endTimestamp = datetime_to_timestamp($endDatetime);
    $countdown = $endTimestamp - $nowTimestamp;

    $hours = floor($countdown / 3600);
    $minutes = floor(($countdown % 3600) / 60);
    $seconds = $countdown % 60;

    return [
        'hours' => $hours,
        'minutes' => $minutes,
        'seconds' => $seconds
    ];
}

// 示例：显示限时抢购活动的倒计时
$endDatetime = '2021-08-01 12:00:00';
$countdown = get_countdown($endDatetime);

echo "距离活动结束还有：" . $countdown['hours'] . "小时 " . $countdown['minutes'] . "分钟 " . $countdown['seconds'] . "秒
";