1.优化提现接口/api/finance/withdrawCreate

app/common/library/game/DepositChannel.php

@@ -402,6 +402,72 @@ final class DepositChannel
         return array_values(array_unique($codes));
     }
 
+    /**
+     * 当前服务端已对接自动出金的渠道（与 withdrawCreate 校验一致）
+     *
+     * @return list<string>
+     */
+    public static function withdrawPayoutChannelCodes(): array
+    {
+        return ['ddpay'];
+    }
+
+    /**
+     * @param list<array{code: string, sort: int, status: int, tier_ids: list<string>}> $effectiveRows
+     */
+    public static function assertChannelEnabled(string $channelCode, array $effectiveRows): bool
+    {
+        $row = self::findMergedByCode($effectiveRows, $channelCode);
+        if ($row === null) {
+            return false;
+        }
+
+        return ($row['status'] ?? 0) === 1;
+    }
+
+    /**
+     * 提现页可选支付渠道（仅返回已启用且已对接出金的渠道）
+     *
+     * @param list<array{code: string, sort: int, status: int, tier_ids: list<string>}> $effectiveRows
+     *
+     * @return list<array{code: string, name: string, sort: int}>
+     */
+    public static function channelsForWithdraw(array $effectiveRows, string $lang): array
+    {
+        $registry = self::codeRegistry();
+        $allowed = self::withdrawPayoutChannelCodes();
+        $out = [];
+        foreach ($effectiveRows as $row) {
+            if (($row['status'] ?? 0) !== 1) {
+                continue;
+            }
+            $code = isset($row['code']) && is_string($row['code']) ? $row['code'] : '';
+            if ($code === '' || !in_array($code, $allowed, true)) {
+                continue;
+            }
+            if (!isset($registry[$code])) {
+                continue;
+            }
+            $meta = $registry[$code];
+            $sortRaw = $row['sort'] ?? 0;
+            $sortVal = is_numeric($sortRaw) ? intval($sortRaw) : 0;
+            $out[] = [
+                'code' => $code,
+                'name' => self::pickLangName($meta, $lang),
+                'sort' => $sortVal,
+            ];
+        }
+        usort($out, static function (array $a, array $b): int {
+            if ($a['sort'] !== $b['sort']) {
+                return $a['sort'] <=> $b['sort'];
+            }
+
+            return strcmp($a['code'], $b['code']);
+        });
+
+        return $out;
+    }
+
     /**
      * @param list<array<string, mixed>> $items
      *