新需求-活动需求-盲盒转盘调通盘-调试-优化错误
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@@ -200,33 +200,39 @@ class BlindBoxTurntableGiftDrawWorld extends Model
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if ($poolInfo['code'] !== 1) {
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return $poolInfo;
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}
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$totalRemaining = $poolInfo['data']['total_remaining'];
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$periods = $poolInfo['data']['periods'];
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$totalDrawTimes = $poolInfo['data']['total_draw_times'];
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$totalRemaining = $poolInfo['data']['total_remaining'];//奖池剩余数量
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$periods = $poolInfo['data']['periods']; //奖池期数
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$totalDrawTimes = $poolInfo['data']['total_draw_times']; //总抽奖次数
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// 2. 获取可用礼物
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$availableGifts = $this->getAvailableGifts($bag_data['id'], $totalDrawTimes);
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if (empty($availableGifts)) {
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$availableGifts = $this->resetPoolAndReload($bag_data['id']);
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$availableGifts = $this->resetPoolAndReload($bag_data['id']); //重置奖池并重新加载
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if (empty($availableGifts)) {
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throw new \Exception('重置奖池后仍无可用礼物');
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}
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$totalDrawTimes = 0;//总抽奖次数重置
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}
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// 3. 预加载礼物信息（减少后续查询）
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$giftInfoMap = $this->preloadGiftInfo($availableGifts);
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// 4. 处理奖池重置逻辑
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// 4. 处理奖池重置逻辑 - 优化版本
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$needGiftNum = count($toarray) * $num; //总需要的礼物数
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$remaining_available_gifts=[];
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if ($totalRemaining - $needGiftNum <= 0) {//奖池剩余数量-需要的礼物数小于0
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$remaining_available_gifts = $availableGifts; //剩余可用礼物
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$availableGifts = $this->resetPoolAndReload($bag_data['id']); //重置奖池并重新加载
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$remaining_available_gifts = [];
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$remainingGiftCount = array_sum(array_column($availableGifts, 'remaining_number'));
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if ($remainingGiftCount < $needGiftNum) {
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// 如果当前奖池礼物不足以满足需求
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// 保存当前剩余礼物作为上期剩余
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$remaining_available_gifts = $availableGifts;
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// 重置奖池
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$availableGifts = $this->resetPoolAndReload($bag_data['id']);
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if (empty($availableGifts)) {
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throw new \Exception('重置奖池后仍无可用礼物');
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}
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$totalDrawTimes = 0;
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$num = abs($totalRemaining - $num);
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$totalDrawTimes = 0; // 总抽奖次数重置
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}
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// 5. 使用Alias Method预计算抽奖结果（O(1)复杂度）
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@@ -269,82 +275,95 @@ class BlindBoxTurntableGiftDrawWorld extends Model
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&$currentXlhPeriodsNum,
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$remaining_available_gifts
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) {
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//计算$remaining_available_gifts 里面 remaining_number 的累加
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$remaining_num = 0;
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foreach ($remaining_available_gifts as $key=>$value) {
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$remaining_num += $value['remaining_number'];
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}
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if($remaining_num > $num){
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$availableGifts = $remaining_available_gifts;
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$remaining_available_gifts = [];
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}
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$precomputedResults = [];
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$precomputedResultss = [];
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$giftBagIdToGift = [];
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// 构建Alias表
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$aliasTable = $this->buildAliasTable($availableGifts);
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$remaining_num = 0;
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foreach ($toarray as $giftUserId) {
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if (!empty($remaining_available_gifts)) {
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foreach ($remaining_available_gifts as $key=>$value) {
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$remaining_num += $value['remaining_number'];
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$gift = $giftInfoMap[$value['foreign_id']] ?? null;
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for ($j = 0; $j < $value['remaining_number']; $j++) {
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// 计算上期剩余礼物总数
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$remainingGiftCount = array_sum(array_column($remaining_available_gifts, 'remaining_number'));
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$needGiftNum = count($toarray) * $num;
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$newGiftsNeeded = max(0, $needGiftNum - $remainingGiftCount); // 计算还需要多少礼物从新奖池中抽取
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// 先从上期剩余礼物中分配
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if (!empty($remaining_available_gifts)) {
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$aliasTableForRemaining = $this->buildAliasTable($remaining_available_gifts);
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foreach ($toarray as $giftUserId) {
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// 为每个用户先分配上期剩余礼物
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$userRemainingAllocation = floor($remainingGiftCount / count($toarray));
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if (count($toarray) > 0) { // 防止除零错误
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$extraGifts = $remainingGiftCount % count($toarray);
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if (array_search($giftUserId, $toarray) < $extraGifts) {
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$userRemainingAllocation++;
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}
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}
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for ($i = 0; $i < $userRemainingAllocation; $i++) {
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$selectedGift = $this->selectGiftWithAliasMethod($aliasTableForRemaining);
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if ($selectedGift) {
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$gift = $giftInfoMap[$selectedGift['foreign_id']] ?? null;
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$precomputedResults[] = [
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'gift_user_id' => $giftUserId,
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'gift_bag_detail' => $value,
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'gift_bag_detail' => $selectedGift,
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'gift' => $gift,
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'draw_times' => $totalDrawTimes,
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'periods' => $periods,
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];
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$precomputedResultss[] = [
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'gift_user_id' => $giftUserId,
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'gift_bag_detail' => $selectedGift,
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'gift' => $gift,
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'draw_times' => $totalDrawTimes,
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'periods' => $periods,
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'j' => $j,
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];
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$totalDrawTimes++;
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$currentXlhPeriodsNum++;
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// 更新Alias表
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$this->updateAliasTable($aliasTableForRemaining, $selectedGift['id']);
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}
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unset($remaining_available_gifts[$key]);
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}
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$numm = $num;
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}else{
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$numm = $num+$remaining_num;
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}
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for ($i = 0; $i < $numm; $i++) {
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// 使用Alias Method选择礼物（O(1)复杂度）
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$selectedGift = $this->selectGiftWithAliasMethod($aliasTable);
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if (!$selectedGift) {
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return [];
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}
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// 再从新奖池中分配剩余所需礼物
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if ($newGiftsNeeded > 0 && !empty($availableGifts)) {
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$aliasTableForNew = $this->buildAliasTable($availableGifts);
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foreach ($toarray as $giftUserId) {
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// 计算每个用户需要从新奖池获得的礼物数量
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$userNewAllocation = floor($newGiftsNeeded / count($toarray));
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if (count($toarray) > 0) {
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$extraGifts = $newGiftsNeeded % count($toarray);
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if (array_search($giftUserId, $toarray) < $extraGifts) {
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$userNewAllocation++;
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}
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}
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// 获取礼物信息（从预加载的map中获取，避免查询）
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$giftId = $selectedGift['foreign_id'];
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$gift = $giftInfoMap[$giftId] ?? null;
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// if (!$gift) {
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// continue;
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// }
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for ($i = 0; $i < $userNewAllocation; $i++) {
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$selectedGift = $this->selectGiftWithAliasMethod($aliasTableForNew);
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if ($selectedGift) {
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$gift = $giftInfoMap[$selectedGift['foreign_id']] ?? null;
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$precomputedResults[] = [
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'gift_user_id' => $giftUserId,
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'gift_bag_detail' => $selectedGift,
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'gift' => $gift,
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'draw_times' => $totalDrawTimes,
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'periods' => $periods,
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];
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$precomputedResultss[] = [
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'gift_user_id' => $giftUserId,
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'gift_bag_detail' => $selectedGift,
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'gift' => $gift,
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'draw_times' => $totalDrawTimes,
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'periods' => $periods,
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];
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$totalDrawTimes++;
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$currentXlhPeriodsNum++;
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$precomputedResults[] = [
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'gift_user_id' => $giftUserId,
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'gift_bag_detail' => $selectedGift,
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'gift' => $gift,
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'draw_times' => $totalDrawTimes,
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'periods' => $periods,
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'i' => $i,
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];
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$precomputedResultss[] = [
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'gift_user_id' => $giftUserId,
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'gift_bag_detail' => $selectedGift,
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'gift' => $gift,
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'draw_times' => $totalDrawTimes,
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'periods' => $periods,
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'i' => $i,
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];
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$totalDrawTimes++;
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$currentXlhPeriodsNum++;
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// 更新Alias表（模拟库存减少）
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$this->updateAliasTable($aliasTable, $selectedGift['id']);
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// 更新Alias表
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$this->updateAliasTable($aliasTableForNew, $selectedGift['id']);
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}
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}
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}
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}
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@@ -855,7 +874,7 @@ class BlindBoxTurntableGiftDrawWorld extends Model
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$totalQuantity = $roomPanInfo['total_quantity'] ?: 0;
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$totalRemaining = $roomPanInfo['total_remaining'] ?: 0;
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$periods = $periods ?: 0;
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$totalDrawTimes = max(0, $totalQuantity - $totalRemaining);
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$totalDrawTimes = max(0, $totalQuantity - $totalRemaining); //总抽奖次数
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return [
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'code' => 1,
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'msg' => '计算成功',
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