上周一及上周天日期

public static Map<String, String> getMonToSunday() {Calendar preWeekSundayC = Calendar.getInstance();Calendar preWeekMondayCal = Calendar.getInstance();//上周天時間preWeekSundayC.set(Calendar.DAY_OF_WEEK, 1);//設置時間成本周第一天(周日)preWeekMondayCal.set(Calendar.DAY_OF_WEEK, 1);//上周一時間preWeekMondayCal.add(Calendar.DATE, -6);//轉化為日期Date preWeekMonday = preWeekMondayCal.getTime();Map<String, String> result = new HashMap<>();result.put("mon", DateUtil.format(preWeekMonday, "yyyy-MM-dd") + " 00:00:00");result.put("sun", DateUtil.format(preWeekSundayC.getTime(), "yyyy-MM-dd") + " 00:00:00");return result;}

本周一及本周天時間

public static String getSunday() {SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");Calendar c = Calendar.getInstance(Locale.CHINA);c.setFirstDayOfWeek(Calendar.MONDAY); //當前時間，貌似多余，其實是為了所有可能的系統一致c.setTimeInMillis(System.currentTimeMillis()); // System.out.println("當前時間:" + format.format(c.getTime())); // c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY); // System.out.println("周一時間:" + format.format(c.getTime()));c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);// System.out.println("本周天時間:" + format.format(c.getTime()));return format.format(c.getTime());}

總結

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