|  |  | 
 |  |  |             return; | 
 |  |  |         } | 
 |  |  |         //按city_code分组 | 
 |  |  |         Map<String, List<Map<String, Object>>> data = monthlyData.parallelStream().collect(Collectors.groupingBy(o -> o.get("city_code").toString())); | 
 |  |  |         Map<String, List<Map<String, Object>>> data = monthlyData.stream() | 
 |  |  |                 .collect(Collectors.groupingBy(o -> o.get("city_code").toString())); | 
 |  |  |  | 
 |  |  |         //获取上月数据,本月综指同上月对比 | 
 |  |  |         QueryWrapper<CityAqiMonthly> queryWrapper = new QueryWrapper<>(); | 
 |  |  |         queryWrapper.select("city_code", "value") | 
 |  |  |                 .eq("time", DateUtils.dateToDateString(lastLastMonth)); | 
 |  |  |         //获取上月数据 | 
 |  |  |         List<CityAqiMonthly> lastCityAqiMonthly = cityAqiMonthlyMapper.selectList(queryWrapper); | 
 |  |  |         Map<Integer, List<CityAqiMonthly>> lastMonthData = lastCityAqiMonthly.stream() | 
 |  |  |                 .collect(Collectors.groupingBy(CityAqiMonthly::getCityCode)); | 
 |  |  |  | 
 |  |  |         List<CityAqiMonthly> cityAqiMonthlyList = new ArrayList<>(); | 
 |  |  |  | 
 |  |  |         data.forEach((cityCode, value) -> { | 
 |  |  |             Map<String, Object> jsonMap = new HashMap<>(); | 
 |  |  |             CityAqiMonthly cityAqiMonthly = new CityAqiMonthly(); | 
 |  |  |             Map<String, Object> jsonMap = new HashMap<>(); | 
 |  |  |             cityAqiMonthly.setCityCode(Integer.parseInt(cityCode)); | 
 |  |  |             cityAqiMonthly.setTime(start); | 
 |  |  |  | 
 |  |  | 
 |  |  |             } | 
 |  |  |  | 
 |  |  |             sensors.forEach(sensor -> { | 
 |  |  |                 OptionalDouble optionalDouble = value.parallelStream().flatMapToDouble(v -> { | 
 |  |  |                 OptionalDouble optionalDouble = value.stream().flatMapToDouble(v -> { | 
 |  |  |                     Map<String, Object> dataValue = JSONObject.parseObject((String) v.get("value"), Map.class); | 
 |  |  |                     double aDouble = Double.parseDouble(dataValue.get(sensor).toString()); | 
 |  |  |                     return DoubleStream.of(aDouble); | 
 |  |  | 
 |  |  |             jsonMap.put("compositeIndex", compositeIndex); | 
 |  |  |  | 
 |  |  |             //本月综指同上月对比 | 
 |  |  |             QueryWrapper<CityAqiMonthly> queryWrapper = new QueryWrapper<>(); | 
 |  |  |             queryWrapper.select("value") | 
 |  |  |                     .eq("city_code", cityCode) | 
 |  |  |                     .eq("time", DateUtils.dateToDateString(lastLastMonth)); | 
 |  |  |             //获取上上月数据 | 
 |  |  |             CityAqiMonthly lastCityAqiMonthly = cityAqiMonthlyMapper.selectOne(queryWrapper); | 
 |  |  |             if (lastCityAqiMonthly != null) { | 
 |  |  |                 Map<String, Object> map = JSONObject.parseObject(lastCityAqiMonthly.getValue(), Map.class); | 
 |  |  |             List<CityAqiMonthly> cityAqiMonthlies = lastMonthData.get(Integer.parseInt(cityCode)); | 
 |  |  |             if (!ObjectUtils.isEmpty(cityAqiMonthlies)) { | 
 |  |  |                 CityAqiMonthly monthly = cityAqiMonthlies.get(0); | 
 |  |  |                 Map<String, Object> map = JSONObject.parseObject(monthly.getValue(), Map.class); | 
 |  |  |                 double lastCompositeIndex = Double.parseDouble(map.get("compositeIndex").toString()); | 
 |  |  |                 DecimalFormat decimalFormat = new DecimalFormat("0.00%"); | 
 |  |  |                 String format = decimalFormat.format((compositeIndex - lastCompositeIndex) / lastCompositeIndex); | 
 |  |  |                 jsonMap.put("monthContrast", format); | 
 |  |  |             } | 
 |  |  |             cityAqiMonthly.setValue(JSONObject.toJSONString(jsonMap)); | 
 |  |  |             cityAqiMonthlyMapper.insert(cityAqiMonthly); | 
 |  |  |             cityAqiMonthlyList.add(cityAqiMonthly); | 
 |  |  |         }); | 
 |  |  |         cityAqiMonthlyMapper.insertCityAqiMonthly(cityAqiMonthlyList); | 
 |  |  |     } | 
 |  |  | } |