优化一键测试权重

server/app/api/service/LotteryService.php

@@ -114,6 +114,20 @@ class LotteryService
         return self::drawTierByWeightArray($tiers, $weights);
     }
 
+    /**
+     * 根据 T1-T5 权重数组抽取档位（用于测试自定义档位概率）
+     * @param array $tierWeights 如 ['T1'=>100, 'T2'=>200, ...] 或 [100,200,300,400,500]
+     */
+    public static function drawTierByWeightsFromArray(array $tierWeights): string
+    {
+        $tiers = ['T1', 'T2', 'T3', 'T4', 'T5'];
+        $weights = [];
+        foreach ($tiers as $i => $t) {
+            $weights[] = (int) ($tierWeights[$t] ?? $tierWeights[$i] ?? 0);
+        }
+        return self::drawTierByWeightArray($tiers, $weights);
+    }
+
     /** 按档位权重数组抽取 T1-T5 */
     private static function drawTierByWeightArray(array $tiers, array $weights): string
     {