1.新增获取充值/提现配置接口/api/finance/depositWithdrawConfig

2.优化充值和提现方式

app/admin/controller/config/DepositTier.php

@@ -3,6 +3,7 @@
 namespace app\admin\controller\config;
 
 use app\common\controller\Backend;
+use app\common\library\game\FinanceCashierConfig as FinanceCashierConfigLib;
 use app\common\library\game\DepositTier as DepositTierLib;
 use app\common\service\GameHotDataCoordinator;
 use app\common\service\GameHotDataLock;
@@ -21,6 +22,45 @@ class DepositTier extends Backend
 
     protected array $noNeedPermission = ['index', 'save'];
 
+    /**
+     * 读取支付货币下拉（来源：game_config.finance_cashier.currencies）。
+     * 用于充值档位表单的“支付货币”选项，避免前端硬编码。
+     */
+    public function currencyOptions(WebmanRequest $request): Response
+    {
+        $response = $this->initializeBackend($request);
+        if ($response !== null) {
+            return $response;
+        }
+        if (!$this->hasNodePermission($request, 'index')) {
+            return $this->error(__('You have no permission'), [], 401);
+        }
+        if ($request->method() !== 'GET') {
+            return $this->error(__('Parameter error'));
+        }
+        $row = Db::name('game_config')->where('config_key', FinanceCashierConfigLib::CONFIG_KEY)->find();
+        $cfg = FinanceCashierConfigLib::parseFromConfigValue($row['config_value'] ?? null);
+        $currencies = [];
+        if (isset($cfg['currencies']) && is_array($cfg['currencies'])) {
+            foreach ($cfg['currencies'] as $item) {
+                if (!is_array($item)) {
+                    continue;
+                }
+                $code = isset($item['code']) && is_string($item['code']) ? strtoupper(trim($item['code'])) : '';
+                if ($code === '') {
+                    continue;
+                }
+                $currencies[] = $code;
+            }
+        }
+        $currencies = array_values(array_unique($currencies));
+        if ($currencies === []) {
+            $currencies = ['MYR', 'CNY', 'USD', 'USDT', 'VND', 'THB', 'SGD', 'IDR'];
+        }
+
+        return $this->success('', ['list' => $currencies]);
+    }
+
     private function hasNodePermission(WebmanRequest $request, string $action): bool
     {
         if (!$this->auth) {