- 获取这一周的开始日期和结束日期
// 获取这一周的第一天日期
Calendar c = new GregorianCalendar();
c.set(Calendar.YEAR, Integer.parseInt(year));
c.set(Calendar.WEEK_OF_YEAR, calendar.get(Calendar.WEEK_OF_YEAR));
c.setFirstDayOfWeek(Calendar.MONDAY);
c.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek());
c.set(Calendar.HOUR, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
String sTime = sdf.format(c.getTime());
System.out.println("这一周的开始日期" + sTime);
// 一周的结束日期
Calendar c1 = new GregorianCalendar();
c1.set(Calendar.YEAR, Integer.parseInt(year));
c1.set(Calendar.WEEK_OF_YEAR, calendar.get(Calendar.WEEK_OF_YEAR));
c1.setFirstDayOfWeek(Calendar.MONDAY);
c1.set(Calendar.DAY_OF_WEEK, c.getFirstDayOfWeek() + 5);
c1.set(Calendar.HOUR, 23);
c1.set(Calendar.MINUTE, 59);
c1.set(Calendar.SECOND, 59);
String eTime = sdf.format(c1.getTime());
System.out.println("这一周的结束日期" + eTime);
当前日期为:2019-01-23。
控制台输出结果如下: