Json格式：
实现代码：
@GetMapping(value="/teacher/week")
public Map standardweek(HttpServletRequest request,
HttpServletResponse response) throws ParseException {
// 返回的结果集
Map map = new HashMap();
map.put("year", Integer.valueOf(TimeUtils.getDateString(new Date(), "yyyy")));
// 存放一周的数据
List<List<Map>> weekList = new ArrayList<>();
// 当天时间的00：00：00
Calendar cal = new GregorianCalendar();
// 设置周日为第一天
cal.setFirstDayOfWeek(Calendar.SUNDAY);
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
cal.set(Calendar.MILLISECOND, 0);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX");
String todayStr = sdf.format(cal.getTime()); // 2018-09-09T00:00:00+08:00
// 当天时间的毫秒值
Long todayLong = sdf.parse(todayStr).getTime();
// 本周的第几天
int day_of_week = cal.get(Calendar.DAY_OF_WEEK);
// 该周是该年的第几周
int week_of_year = cal.get(Calendar.WEEK_OF_YEAR);
// 开始周
map.put("startWeeks", week_of_year);
// 结束周
map.put("endWeeks", week_of_year + 4);
// 周日到周六的毫秒值
Long firstday_of_week = todayLong - (day_of_week - 1) * 24 * 3600000L;
Long secondday_of_week = firstday_of_week + 24 * 3600000L ;
Long thirdday_of_week = secondday_of_week + 24 * 3600000L ;
Long fourday_of_week = thirdday_of_week + 24 * 3600000L ;
Long fifthday_of_week = fourday_of_week + 24 * 3600000L ;
Long sixday_of_week = fifthday_of_week + 24 * 3600000L ;
Long seventh_of_week = sixday_of_week + 24 * 3600000L ;
Long lastday_of_week = firstday_of_week + 7 * 24 * 3600000L - 1 ;
// 第一天
List<Map> firstDay = new ArrayList<>();
// 第二天
List<Map> secondDay = new ArrayList<>();
// 第三天
List<Map> thirdDay = new ArrayList<>();
// 第四天
List<Map> fourthDay = new ArrayList<>();
// 第五天
List<Map> fifthDay = new ArrayList<>();
// 第六天
List<Map> sixthDay = new ArrayList<>();
// 第七天
List<Map> seventhDay = new ArrayList<>();
// 查询数据库
List<Map> dblist = teacherAvailableTimeService.selectAvailableTime(Jwt.getID(request));
if(dblist.size() > 0){
for (Map m:dblist){
// 当前数据的startAt(开始时间)
Date startTime = (Date) m.get("startAt");
// 判断开始时间是否在本周的范围内（周日-周六）
if(startTime.getTime() > firstday_of_week && startTime.getTime() < lastday_of_week){
// 课程结束时间
Date endTime = (Date) m.get("endAt");
// 存放课程开始的 hour、minute
Map saveStartHourAndMinute = new HashMap();
// 存放课程结束的 hour、minute
Map saveEndHourAndMinute = new HashMap();
// 条数
Map<String, Map> number_of_bars = new HashMap();
// 课程开始时间 hour:minute
String[] startHAndM = (TimeUtils.getDateString(startTime, "HH:mm")).split(":");
Integer startHour = Integer.parseInt(startHAndM[0]);
Integer startMinute = Integer.parseInt(startHAndM[1]);
saveStartHourAndMinute.put("h", startHour);
saveStartHourAndMinute.put("m", startMinute);
// 课程结束时间 hour:minute
String[] endHAndM = (TimeUtils.getDateString(endTime, "HH:mm")).split(":");
Integer endHour = Integer.parseInt(endHAndM[0]);
Integer endMinute = Integer.parseInt(endHAndM[1]);
saveEndHourAndMinute.put("h", endHour);
saveEndHourAndMinute.put("m", endMinute);
// 第一天00:00:00 - 23:59:59
if(startTime.getTime() > firstday_of_week && startTime.getTime() < secondday_of_week){
number_of_bars.put("startAt", saveStartHourAndMinute);
number_of_bars.put("endAt", saveEndHourAndMinute);
// 往firstDay添加条数
firstDay.add(firstDay.size(), number_of_bars);
} else if(startTime.getTime() > secondday_of_week && startTime.getTime() < thirdday_of_week){
// 第二天00:00:00 - 23:59:59
number_of_bars.put("startAt", saveStartHourAndMinute);
number_of_bars.put("endAt", saveEndHourAndMinute);
// 往secondDay添加条数
secondDay.add(secondDay.size(), number_of_bars);
} else if(startTime.getTime() > thirdday_of_week && startTime.getTime() < fourday_of_week){
// 第三天00:00:00 - 23:59:59
number_of_bars.put("startAt", saveStartHourAndMinute);
number_of_bars.put("endAt", saveEndHourAndMinute);
// 往thirdDay添加条数
thirdDay.add(thirdDay.size(), number_of_bars);
} else if(startTime.getTime() > fourday_of_week && startTime.getTime() < fifthday_of_week){
// 第四天00:00:00 - 23:59:59
number_of_bars.put("startAt", saveStartHourAndMinute);
number_of_bars.put("endAt", saveEndHourAndMinute);
// 往fourthDay添加条数
fourthDay.add(fourthDay.size(), number_of_bars);
} else if(startTime.getTime() > fifthday_of_week && startTime.getTime() < sixday_of_week){
// 第五天00:00:00 - 23:59:59
number_of_bars.put("startAt", saveStartHourAndMinute);
number_of_bars.put("endAt", saveEndHourAndMinute);
// 往fifthDay添加条数
fifthDay.add(fifthDay.size(), number_of_bars);
} else if(startTime.getTime() > sixday_of_week && startTime.getTime() < seventh_of_week){
// 第六天00:00:00 - 23:59:59
number_of_bars.put("startAt", saveStartHourAndMinute);
number_of_bars.put("endAt", saveEndHourAndMinute);
// 往sixthDay添加条数
sixthDay.add(sixthDay.size(), number_of_bars);
} else if(startTime.getTime() > seventh_of_week && startTime.getTime() < lastday_of_week){
// 第七天00:00:00 - 23:59:59
number_of_bars.put("startAt", saveStartHourAndMinute);
number_of_bars.put("endAt", saveEndHourAndMinute);
// 往seventhDay添加条数
seventhDay.add(seventhDay.size(), number_of_bars);
}
}
}
}
// 往week中添加周日到周一的数据
weekList.add(0, firstDay);
weekList.add(1, secondDay);
weekList.add(2, thirdDay);
weekList.add(3, fourthDay);
weekList.add(4, fifthDay);
weekList.add(5, sixthDay);
weekList.add(6, seventhDay);
// 往返回结果集中添加week
map.put("week", weekList);
return map;
}