feat: 接入微信 Native 扫码支付（复用原回调与履约）

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

users/views/pay.py

@@ -153,7 +153,7 @@ class FaKuanPayView(APIView):
                 club_id=penalty_cz_club_id(fadan),
             )
 
-            # 生成支付参数（支持支付宝/微信）
+            # 生成支付参数（支付宝 / 微信Native / 微信JSAPI）
             # 支付必须用「当前小程序/打手写入俱乐部」的 AppID+openid；
             # 与罚单 ClubID（申请人俱乐部）混用会导致部分人 openid/appid 不一致而下单失败。
             if pay_method == 'alipay':
@@ -173,6 +173,26 @@ class FaKuanPayView(APIView):
                         'message': f'支付参数生成失败: {str(e)}',
                         'msg': f'支付参数生成失败: {str(e)}',
                     }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+            elif pay_method == 'wechat_native':
+                try:
+                    from jituan.services.wechat_native_pay import generate_wechat_native_pay_params
+                    pay_params = generate_wechat_native_pay_params(
+                        dingdanid=dingdanid,
+                        jine=jine,
+                        body=settings.FAKUAN_PAY_DESCRIPTION,
+                        notify_url=settings.FAKUAN_PAY_NOTIFY_URL,
+                        club_id=pay_club,
+                        client_ip=self.get_client_ip(),
+                        scene='fakuan',
+                    )
+                except Exception as e:
+                    chongzhi_jilu.delete()
+                    logger.error(f"生成微信Native支付参数失败: {str(e)}")
+                    return Response({
+                        'code': 500,
+                        'message': f'支付参数生成失败: {str(e)}',
+                        'msg': f'支付参数生成失败: {str(e)}',
+                    }, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
             else:
                 pay_openid, pay_club = get_payment_openid(request, club_id=pay_club)
                 if not pay_openid:
@@ -684,7 +704,7 @@ class KaohePayView(APIView):
             attach_str = json.dumps({'oid': dingdanid}, ensure_ascii=False)
             logger.info(f"attach内容: {attach_str}，长度: {len(attach_str.encode('utf-8'))}字节")
 
-            # 11. 生成支付参数（支持支付宝/微信）
+            # 11. 生成支付参数（支付宝 / 微信Native / 微信JSAPI）
             if pay_method == 'alipay':
                 try:
                     from jituan.services.alipay_pay import generate_alipay_czjilu_pay_params
@@ -703,6 +723,27 @@ class KaohePayView(APIView):
                         logger.error(f"删除临时表记录失败: {str(del_e)}")
                     logger.error(f"生成支付宝支付参数失败: {str(e)}", exc_info=True)
                     return Response({'code': 500, 'message': f'支付参数生成失败: {str(e)}'})
+            elif pay_method == 'wechat_native':
+                try:
+                    from jituan.services.wechat_native_pay import generate_wechat_native_pay_params
+                    pay_params = generate_wechat_native_pay_params(
+                        dingdanid=dingdanid,
+                        jine=float(fee),
+                        body=settings.KAOHE_PAY_DESCRIPTION,
+                        notify_url=settings.KAOHE_PAY_NOTIFY_URL,
+                        club_id=pay_club,
+                        client_ip=self.get_client_ip(),
+                        scene='kaohe',
+                    )
+                    logger.info(f"微信Native支付参数生成成功: {dingdanid}")
+                except Exception as e:
+                    order.delete()
+                    try:
+                        KaohePayTemp.query.filter(dingdan_id=dingdanid).delete()
+                    except Exception as del_e:
+                        logger.error(f"删除临时表记录失败: {str(del_e)}")
+                    logger.error(f"生成微信Native支付参数失败: {str(e)}", exc_info=True)
+                    return Response({'code': 500, 'message': f'支付参数生成失败: {str(e)}'})
             else:
                 try:
                     pay_params = self.generate_wechat_pay_params(