feat: 分俱乐部付呗收款通道，默认仍走微信直连

小程序前端仍传 wechat；后台可切换 wechat/fubei，支持配置多套付呗并退款按原通道路由。

Co-authored-by: Cursor <cursoragent@cursor.com>

users/views/kefu_orders.py

@@ -858,6 +858,16 @@ class KefuPlatformRefundView(APIView):
         :param transaction_id: 微信支付订单号（优先使用）
         :return: {'code': 0, 'msg': '成功', 'refund_id': 'xxx'} 或 {'code': 非0, 'msg': '错误信息'}
         """
+        from jituan.services.pay_refund_router import try_fubei_refund
+        from jituan.services.wechat_pay import club_id_from_order
+        fb = try_fubei_refund(
+            out_trade_no=dingdan_id,
+            amount_yuan=jine,
+            club_id=club_id_from_order(dingdan_id),
+        )
+        if fb is not None:
+            return fb
+
         # 获取配置
         appid = getattr(settings, 'WEIXIN_APPID', '')
         mch_id = getattr(settings, 'WEIXIN_MCHID', '')

users/views/pay.py

@@ -233,6 +233,20 @@ class FaKuanPayView(APIView):
         else:
             raise Exception('未知的支付类型')
 
+        from jituan.constants import FUBEI_BIZ_CZJILU
+        from jituan.services.mini_pay_router import maybe_create_fubei_jsapi_params
+        fb_params = maybe_create_fubei_jsapi_params(
+            club_id=pay_club,
+            out_trade_no=dingdanid,
+            amount_yuan=jine,
+            body=PAY_DESCRIPTION,
+            openid=openid,
+            notify_url=NOTIFY_URL,
+            biz_type=FUBEI_BIZ_CZJILU,
+        )
+        if fb_params is not None:
+            return fb_params
+
         nonce_str = ''.join(random.choices(string.ascii_letters + string.digits, k=32))
         total_fee = yuan_to_fen(jine)
         trade_type = 'JSAPI'
@@ -720,6 +734,21 @@ class KaohePayView(APIView):
         else:
             raise Exception('未知支付类型')
 
+        from jituan.constants import FUBEI_BIZ_CZJILU
+        from jituan.services.mini_pay_router import maybe_create_fubei_jsapi_params
+        _club = resolve_club_id_for_write(self.request, self.request.user)
+        fb_params = maybe_create_fubei_jsapi_params(
+            club_id=_club,
+            out_trade_no=dingdanid,
+            amount_yuan=jine,
+            body=PAY_DESCRIPTION,
+            openid=openid,
+            notify_url=NOTIFY_URL,
+            biz_type=FUBEI_BIZ_CZJILU,
+        )
+        if fb_params is not None:
+            return fb_params
+
         nonce_str = ''.join(random.choices(string.ascii_letters + string.digits, k=32))
         total_fee = yuan_to_fen(jine)
         trade_type = 'JSAPI'