获取一年的节假日时间

 		Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.YEAR,1);
        int year = calendar.get(Calendar.YEAR);
        Map<Integer, List<String>> holidayList =new HashMap<>();  //假期
        Map<Integer,List<String>> extraWorkDay =new HashMap<>();  //调休日
        //获取免费api地址
        String httpUrl="https://timor.tech/api/holiday/year/"+year+"/";
        BufferedReader reader = null;
        // 用于存储返回的年份节假日数据\
        StringBuffer sbf = new StringBuffer();
        try {
            URL url = new URL(httpUrl);
            URLConnection connection = url.openConnection();
            connection.setRequestProperty("User-Agent", "Mozilla/4.76");
            connection.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
            InputStream is = connection.getInputStream();
            reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            String strRead = null;
            while ((strRead = reader.readLine()) != null) {
                sbf.append(strRead); // 将每行内容追加到sbf字符串变量中
                sbf.append("\r\n");  // 手动添加换行符
            }
            reader.close();
            //字符串转json
            JSONObject json = JSON.parseObject(sbf.toString());
            //根据holiday字段获取jsonObject内容
            JSONObject holiday = json.getJSONObject("holiday");
            if (!holiday.isEmpty()){
                List<String> hoList = new ArrayList<>();
                List<String> extraList = new ArrayList<>();
                for (Map.Entry<String, Object> entry : holiday.entrySet()) {
                    // 读取字符的值，并转换成字符串
                    String value = entry.getValue().toString();
                    // 将字符串改为json格式
                    JSONObject jsonObject = JSONObject.parseObject(value);
                    // 获取是否为假日（是为true，不是为false）
                    String hoBool = jsonObject.getString("holiday");
                    // 获取时间
                    String extra = jsonObject.getString("date");
                    //判断不是假期后调休的班
                    if(hoBool.equals("true")){
                        hoList.add(extra);
                        // 添加假期
                        holidayList.put(year,hoList);
                    }else {
                        extraList.add(extra);
                        // 添加调休日
                        extraWorkDay.put(year,extraList);
                    }
                }
            }
            if(CollectionUtils.isNotEmpty(holidayList.get(year))){
                List<String> list = holidayList.get(year);
                List<RestDateInfo> needList = Lists.newArrayList();
                for (String s : list) {
                    RestDateInfo restDateInfo = new RestDateInfo();
                    restDateInfo.setRestDate(s);
                    restDateInfo.setYear(String.valueOf(year));
                    needList.add(restDateInfo);
                }
                scheduledMapper.insertRestDateInfo(needList);
            }
        } catch (Exception e) {
            logger.error("获取节假日日期错误{}",e.getMessage());
        }

然后存盘，地址的话看情况自己换