java 獲取當前周的周一和周日的日期

SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");//設置日期格式 Calendar cld = Calendar.getInstance(Locale.CHINA); cld.setFirstDayOfWeek(Calendar.MONDAY);//以周一為首日 cld.setTimeInMillis(System.currentTimeMillis());//當前時間 cld.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);//周一 System.out.println(df.format(cld.getTime())); cld.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);//周日 System.out.println(df.format(cld.getTime()));