feat: 退款政策接口获取

src/services/orderService.ts

@@ -188,6 +188,21 @@ class OrderService {
       },
     );
   }
+
+  // 获取退款政策
+  async getRefundPolicy({
+    order_id,
+  }: {
+    order_id: number;
+  }): Promise<ApiResponse<any>> {
+    return httpService.post(
+      "/payment/order_refund_policy",
+      { order_id },
+      {
+        showLoading: true,
+      },
+    );
+  }
 }
 
 // 导出认证服务实例