y155

摘要： public static void main(String[] args) { //operate(); List<Integer> list1 = Arrays.asList(1, 2, 3); List<String> list2 = Arrays.asList("a", "b", "c"); 阅读全文

摘要： 例：（map）Object object = {name:“张三”,age:23}代码实现： Map entity = (Map)object;//获取object中name的值：String name = entity.get("name").toString();//获取object中age的值 阅读全文

摘要： int lineNum = 0; for (String key : titleMap.keySet()) {// row.createCell(lineNum).setCellValue(x.get(key)); listvalue.add(key); System.out.println(lin 阅读全文

摘要： @Transactional(rollbackFor = Exception.class) 阅读全文

摘要： energyMeterDeviceMap = energyMeterDeviceService.list().stream().collect(Collectors.toMap(x -> x.getDeviceId() , Function.identity()));//根据设备编码 阅读全文

摘要： public static void getDifferenceSetByGuava(Map<String, Object> bigMap, Map<String, String> smallMap, Map<String, Object> resMap) { Set<String> bigMapK 阅读全文

摘要： @Override public void deleteRedis(String deviceId) { stringRedisTemplate.delete(deviceId); } @Override public void saveRedis(CoreDevice coreDevice) { 阅读全文

摘要： /** * 更新redis数据 * * */ @Override public void updateRedis() { Map<String, CoreDevice> coreDeviceMap = new HashMap<>(); if (coreDeviceMap.isEmpty()) { c 阅读全文

摘要： @Overridepublic CoreDevice queryDeviceRedis(String deviceId) { String cachDevice = stringRedisTemplate.opsForValue().get(deviceId);//查询redis里面有没有缓存 // 阅读全文

摘要： List<ResDevice> resDevices = resDeviceMapper.exportResDevices();List<ResDevice> exportList = new ArrayList<>(); String selections = request.getParamet 阅读全文