拉姆达表达式分组_lomd表达式

List<Map<String, Object>> lpsgjdList = syDkKfslyxxManager.getAlpsgjdQryData(syDkKfslyxxVo);
		//根据某个key进行分组
		Map<Object, List<Map<String, Object>>> dongh = lpsgjdList.stream().collect(
				Collectors.groupingBy(e -> e.get("dongh")));

		//对上面的map进行遍历
		for (Map.Entry<Object, List<Map<String, Object>>> entry : dongh.entrySet()) {
			List<Map<String, Object>> value = entry.getValue();

			Collections.sort(value, Comparator.comparing(s -> ((Date) s.get("hfrq"))));
		}

//		List<Map<String, List<Map<String, String>>>> shuju = new ArrayList<>();
		List<Map> shuju = new ArrayList<>();

		for (Map.Entry<Object, List<Map<String, Object>>> entry : dongh.entrySet()) {
			List<Map<String, Object>> value = entry.getValue();
//			value.forEach(item->{
//				map.put("bghnr",(String)item.get("bghnr"));
//				map.put("hfrq",(String)item.get("hfrq"));
//			});
			List<String> hflc = new ArrayList<>();
			List<Date> hfrq = new ArrayList<>();
			SyDkKfslyxxJkVo syDkKfslyxxJkVo = new SyDkKfslyxxJkVo();
			for (Map<String, Object> item : value) {
				hflc.add((String)item.get("bghnr"));
				hfrq.add((Date)item.get("hfrq"));
			}
			syDkKfslyxxJkVo.setHflc(hflc);
			syDkKfslyxxJkVo.setHfrq(hfrq);

			Map<String,SyDkKfslyxxJkVo> map1= new HashMap<>();
			map1.put((String)entry.getKey(),syDkKfslyxxJkVo);
			shuju.add(map1);
		}