SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setFirstDayOfWeek(Calendar.MONDAY);
c.set(Calendar.DAY_OF_WEEK,Calendar.MONDAY);
String monday = d.format(c.getTime());
long time = c.getTimeInMillis() + 24*60*60*1000*6;
String sunday = d.format(time);
System.out.println(monday);
System.out.println(sunday);
个人见解,如果大神有好的方法也可以贴出来