优化-实例化奖励列表到缓存中

server/app/api/controller/GameController.php

@@ -57,7 +57,7 @@ class GameController extends OpenController
      */
     public function lotteryPool(Request $request): Response
     {
-        $list = DiceRewardConfig::order('id', 'asc')->select()->toArray();
+        $list = DiceRewardConfig::getCachedList();
         return $this->success($list);
     }
 
@@ -82,7 +82,7 @@ class GameController extends OpenController
         if (!$player) {
             return $this->fail('用户不存在', ReturnCode::NOT_FOUND);
         }
-        $minEv = (float) DiceRewardConfig::min('real_ev');
+        $minEv = DiceRewardConfig::getCachedMinRealEv();
         $minCoin = abs($minEv + 100);
         $coin = (float) $player->coin;
         if ($coin < $minCoin) {

server/app/api/logic/PlayStartLogic.php

@@ -48,7 +48,7 @@ class PlayStartLogic
             throw new ApiException('用户不存在');
         }
 
-        $minEv = (float) DiceRewardConfig::min('real_ev');
+        $minEv = DiceRewardConfig::getCachedMinRealEv();
         $minCoin = abs($minEv + self::MIN_COIN_EXTRA);
         $coin = (float) $player->coin;
         if ($coin < $minCoin) {
@@ -80,18 +80,14 @@ class PlayStartLogic
         // 索引范围为 0~25 共 26 个格子
         $boardSize = 26;
 
-        // 1. 根据抽到的档位，在 tier 相等的数据中任选一条，其 id 为结束索引 target_index
+        // 1. 根据抽到的档位，在 tier 相等的数据中任选一条，其 id 为结束索引 target_index（从缓存读取）
-        $tierRewards = DiceRewardConfig::where('tier', $tier)->select()->toArray();
+        $tierRewards = DiceRewardConfig::getCachedByTier($tier);
         if (empty($tierRewards)) {
             Log::error("档位 {$tier} 无任何奖励配置");
             throw new ApiException('该档位暂无奖励配置');
         }
         $chosen = $tierRewards[array_rand($tierRewards)];
-        $reward = DiceRewardConfig::find($chosen['id']);
+        $targetIndex = (int) ($chosen['id'] ?? 0);
-        if (!$reward) {
-            throw new ApiException('奖励配置不存在');
-        }
-        $targetIndex = (int) $reward->id;
         $targetIndex = (($targetIndex % $boardSize) + $boardSize) % $boardSize;
 
         // 2. 根据结果反推起始点 start_index（由 target_index 与方向反算）
@@ -111,14 +107,14 @@ class PlayStartLogic
             $startIndex,
             $targetIndex
         ));
-        $realEv = (float) $reward->real_ev;
+        $realEv = (float) ($chosen['real_ev'] ?? 0);
         $winCoin = 100 + $realEv; // 赢取平台币 = 100 + DiceRewardConfig.real_ev
 
         $record = null;
         $configId = (int) $config->id;
-        $rewardId = (int) $reward->id;
+        $rewardId = (int) ($chosen['id'] ?? 0);
         $configName = (string) ($config->name ?? '');
-        $isTierT5 = (string) ($reward->tier ?? '') === 'T5';
+        $isTierT5 = (string) ($chosen['tier'] ?? '') === 'T5';
         try {
             Db::transaction(function () use (
                 $playerId,

server/app/dice/model/reward_config/DiceRewardConfig.php

@@ -7,11 +7,13 @@
 namespace app\dice\model\reward_config;
 
 use plugin\saiadmin\basic\think\BaseModel;
+use support\think\Cache;
 
 /**
  * 奖励配置模型
  *
  * dice_reward_config 奖励配置
+ * 奖励列表为全玩家通用，保存时刷新缓存，游戏时优先读缓存。
  *
  * @property  $id ID
  * @property  $grid_number 色子点数
@@ -24,6 +26,12 @@ use plugin\saiadmin\basic\think\BaseModel;
  */
 class DiceRewardConfig extends BaseModel
 {
+    /** 缓存键：全玩家通用的奖励配置列表 */
+    private const CACHE_KEY_LIST = 'dice:reward_config:list';
+
+    /** 缓存过期时间（秒），保存时会主动刷新故设较长 */
+    private const CACHE_TTL = 86400 * 30;
+
     /**
      * 数据表主键
      * @var string
@@ -36,6 +44,78 @@ class DiceRewardConfig extends BaseModel
      */
     protected $table = 'dice_reward_config';
 
+    /**
+     * 获取缓存的奖励列表（无则从库加载并写入缓存）
+     * @return array<int, array>
+     */
+    public static function getCachedList(): array
+    {
+        $list = Cache::get(self::CACHE_KEY_LIST);
+        if ($list !== null && is_array($list)) {
+            return $list;
+        }
+        self::refreshCache();
+        $list = Cache::get(self::CACHE_KEY_LIST);
+        return is_array($list) ? $list : [];
+    }
+
+    /**
+     * 重新从数据库加载并写入缓存（保存时调用）
+     */
+    public static function refreshCache(): void
+    {
+        $list = (new self())->order('id', 'asc')->select()->toArray();
+        Cache::set(self::CACHE_KEY_LIST, $list, self::CACHE_TTL);
+    }
+
+    /**
+     * 从缓存取最小 real_ev
+     */
+    public static function getCachedMinRealEv(): float
+    {
+        $list = self::getCachedList();
+        if (empty($list)) {
+            return 0.0;
+        }
+        $vals = array_column($list, 'real_ev');
+        $min = min($vals);
+        return (float) $min;
+    }
+
+    /**
+     * 从缓存按档位取奖励列表
+     * @return array<int, array>
+     */
+    public static function getCachedByTier(string $tier): array
+    {
+        $list = self::getCachedList();
+        $rows = [];
+        foreach ($list as $row) {
+            if (isset($row['tier']) && (string) $row['tier'] === $tier) {
+                $rows[] = $row;
+            }
+        }
+        return $rows;
+    }
+
+    /** 保存后刷新缓存 */
+    public static function onAfterInsert($model): void
+    {
+        self::refreshCache();
+    }
+
+    /** 更新后刷新缓存 */
+    public static function onAfterUpdate($model): void
+    {
+        self::refreshCache();
+    }
+
+    /** 删除后刷新缓存 */
+    public static function onAfterDelete($model): void
+    {
+        self::refreshCache();
+    }
+
     /** 色子点数下限 */
     public function searchGridNumberMinAttr($query, $value)
     {