新增支付方式获取

lib/app/modules/kr_purchase_membership/controllers/kr_purchase_membership_controller.dart

@@ -102,6 +102,9 @@ class KRPurchaseMembershipController extends GetxController {
     await kr_fetchPackages();
     // await kr_fetchPaymentMethods(); // ⚠️ 后端暂未实现 /v1/app/payment/methods 接口
 
+    // 获取公开的支付方式
+    await _kr_fetchPublicPaymentMethods();
+
     // 根据套餐数量决定是否显示套餐选择器
     kr_showPlanSelector.value = kr_plans.length > 1;
 
@@ -190,6 +193,51 @@ class KRPurchaseMembershipController extends GetxController {
     );
   }
 
+  /// 获取公开的支付方式列表
+  Future<void> _kr_fetchPublicPaymentMethods() async {
+    final either = await _kr_subscribeApi.kr_getPublicPaymentMethods();
+    either.fold(
+      (error) {
+        KRLogUtil.kr_e('获取公开支付方式失败: ${error.msg}', tag: 'PurchaseMembershipController');
+      },
+      (responseData) {
+        KRLogUtil.kr_i('✅ 获取公开支付方式成功', tag: 'PurchaseMembershipController');
+
+        try {
+          // 解析支付方式数据
+          final paymentMethodsData = KRPaymentMethods.fromJson(responseData);
+          kr_paymentMethods.value = paymentMethodsData.list;
+
+          KRLogUtil.kr_i('📊 支付方式数据已加载，共 ${kr_paymentMethods.length} 种', tag: 'PurchaseMembershipController');
+
+          // 打印支付方式信息
+          for (var method in kr_paymentMethods) {
+            KRLogUtil.kr_i(
+              '💳 支付方式: ${method.name} (ID: ${method.id}, Platform: ${method.platform})',
+              tag: 'PurchaseMembershipController'
+            );
+          }
+
+          print('═══════════════════════════════════════');
+          print('🔗 公开支付方式 API: /v1/public/payment/methods');
+          print('📊 支付方式列表:');
+          for (var i = 0; i < kr_paymentMethods.length; i++) {
+            final method = kr_paymentMethods[i];
+            print('  [$i] ${method.name} (platform: ${method.platform})');
+          }
+          print('═══════════════════════════════════════');
+
+          // 如果有支付方式，默认选择第一个
+          if (kr_paymentMethods.isNotEmpty) {
+            kr_selectedPaymentMethodIndex.value = 0;
+          }
+        } catch (e) {
+          KRLogUtil.kr_e('解析支付方式失败: $e', tag: 'PurchaseMembershipController');
+        }
+      },
+    );
+  }
+
   /// 获取支付方式显示标题
   String kr_getPaymentMethodTitle(KRPaymentMethod method) {
     if (method.platform == 'balance') {

lib/app/services/api_service/api.dart

@@ -95,4 +95,7 @@ abstract class Api {
 
   /// 解绑用户设备
   static const String kr_unbindUserDevice = "/v1/public/user/unbind_device";
+
+  /// 获取可用支付方式（公开接口）
+  static const String kr_getPublicPaymentMethods = "/v1/public/payment/methods";
 }

lib/app/services/api_service/kr_subscribe_api.dart

@@ -271,4 +271,23 @@ class KRSubscribeApi {
 
     return right(baseResponse.model.kr_bl);
   }
+
+  /// 获取公开的支付方式列表
+  Future<Either<HttpError, dynamic>> kr_getPublicPaymentMethods() async {
+    final Map<String, dynamic> data = <String, dynamic>{};
+
+    BaseResponse<dynamic> baseResponse =
+        await HttpUtil.getInstance().request<dynamic>(
+      Api.kr_getPublicPaymentMethods,
+      data,
+      method: HttpMethod.GET,
+      isShowLoading: false,
+    );
+    if (!baseResponse.isSuccess) {
+      return left(
+          HttpError(msg: baseResponse.retMsg, code: baseResponse.retCode));
+    }
+
+    return right(baseResponse.model);
+  }
 }