优化性能

server/app/api/cache/UserCache.php

@@ -226,4 +226,60 @@ class UserCache
         $key = self::sessionUsernamePrefix() . $username;
         return Cache::delete($key);
     }
+
+    /** 玩家缓存 key 前缀（Token 中间件用，减少重复查库） */
+    private static function playerCachePrefix(): string
+    {
+        return config('api.player_cache_prefix', 'api:player:');
+    }
+
+    private static function playerCacheTtl(): int
+    {
+        return (int) config('api.player_cache_ttl', 300);
+    }
+
+    /**
+     * 按 username 缓存玩家信息（仅 id + username，供中间件注入 request->player 后使用）
+     * 登录/信息变更时需调用 deletePlayerByUsername 失效
+     */
+    public static function setPlayerByUsername(string $username, array $playerRow): bool
+    {
+        if ($username === '' || empty($playerRow)) {
+            return false;
+        }
+        $ttl = self::playerCacheTtl();
+        if ($ttl <= 0) {
+            return true;
+        }
+        $key = self::playerCachePrefix() . $username;
+        return Cache::set($key, json_encode($playerRow), $ttl);
+    }
+
+    /** 按 username 取缓存玩家，未命中返回 null */
+    public static function getPlayerByUsername(string $username): ?array
+    {
+        if ($username === '') {
+            return null;
+        }
+        if (self::playerCacheTtl() <= 0) {
+            return null;
+        }
+        $key = self::playerCachePrefix() . $username;
+        $val = Cache::get($key);
+        if ($val === null || $val === '') {
+            return null;
+        }
+        $data = json_decode((string) $val, true);
+        return is_array($data) ? $data : null;
+    }
+
+    /** 退出登录或玩家信息变更时删除玩家缓存 */
+    public static function deletePlayerByUsername(string $username): bool
+    {
+        if ($username === '') {
+            return false;
+        }
+        $key = self::playerCachePrefix() . $username;
+        return Cache::delete($key);
+    }
 }

server/app/api/controller/UserController.php

@@ -81,6 +81,7 @@ class UserController extends OpenController
             return $this->fail('token 无效', ReturnCode::TOKEN_INVALID);
         }
         UserCache::deleteSessionByUsername($username);
+        UserCache::deletePlayerByUsername($username);
         return $this->success('已退出登录');
     }
 

server/app/api/logic/UserLogic.php

@@ -84,6 +84,7 @@ class UserLogic
 
         $userArr = $player->hidden(['password'])->toArray();
         UserCache::setUser((int) $player->id, $userArr);
+        UserCache::setPlayerByUsername($username, $userArr);
 
         $baseUrl = rtrim(config('api.login_url_base', 'https://127.0.0.1:6777'), '/');
         $lang = in_array($lang, ['chs', 'en'], true) ? $lang : 'chs';

server/app/api/middleware/TokenMiddleware.php

@@ -66,10 +66,19 @@ class TokenMiddleware implements MiddlewareInterface
             throw new ApiException('请重新登录（当前账号已在其他处登录）', ReturnCode::TOKEN_INVALID);
         }
 
-        $player = DicePlayer::where('username', $username)->find();
-        if (!$player) {
-            UserCache::deleteSessionByUsername($username);
-            throw new ApiException('请重新登录', ReturnCode::TOKEN_INVALID);
+        // 优先从 Redis 缓存取玩家，避免每次请求都查库
+        $player = null;
+        $cached = UserCache::getPlayerByUsername($username);
+        if ($cached !== null && isset($cached['id'])) {
+            $player = (new DicePlayer())->data($cached, true);
+        }
+        if ($player === null) {
+            $player = DicePlayer::where('username', $username)->find();
+            if (!$player) {
+                UserCache::deleteSessionByUsername($username);
+                throw new ApiException('请重新登录', ReturnCode::TOKEN_INVALID);
+            }
+            UserCache::setPlayerByUsername($username, $player->hidden(['password'])->toArray());
         }
         $request->player_id = (int) $player->id;
         $request->player = $player;