java中根据给定日期获取当前日期周的开始时间和结束时间

?

1 2 3 4 5 6 7 8 9 10 11 12

public ResultDto getMcpDayList(String date){         Calendar calendarWeek = Calendar.getInstance();         calendarWeek.setTime(DateUtils.parseDate(date,"yyyy-MM-dd" ));         calendarWeek.add(Calendar.WEEK_OF_MONTH,0);         calendarWeek.setFirstDayOfWeek(Calendar.MONDAY);         calendarWeek.set(Calendar.DAY_OF_WEEK,Calendar.MONDAY);         String startDay = DateUtils.formatDate(calendarWeek.getTime(),"yyyy-MM-dd");         calendarWeek.set(Calendar.DAY_OF_WEEK,Calendar.SUNDAY);         String endDay =  DateUtils.formatDate(calendarWeek.getTime(),"yyyy-MM-dd");         List list = mapper.getDayList( SessionUtils.getUserId(),startDay,endDay,"","",date);         return ResultDto.success(list);     }