JDK1.8用stream比较两个List某个属性，取出差集

		//过滤直播间已导入的商品
        List pageList = page.getList();
        if (EmptyUtils.isNotEmpty(liveGoods)) {
            pageList = pageList.stream().filter(a ->
                    !liveGoods.stream().map(b -> b.getId()).collect(Collectors.toList()).contains(a.getId())
            ).collect(Collectors.toList());
        }