cale.add(Calendar.MONTH,1); cale.set(Calendar.DAY_OF_MONTH,0); lastday=format.format(cale.getTime()); System.out.println("本月第一天和最后一天分别是 :"+ firstday +"and"+lastday);//获取当前日期字符串Date d =newDate(); System.out.println("当前日期字符串1:"+format.format(d)); Sy...
周一为2,周六为7intday =c.get(Calendar.DAY_OF_WEEK);//获取当前时间right_time = Time.getDateFormat(c.getTime(), "yyyy-MM-dd HH:mm:ss");//获取周一的calendar,如果是周日,则减6.如果不是,则减去DAY_OF_WEEK比周一Val大的部分.剩下的就是周一c.add(Calendar.DAY_OF_MONTH, day==Calendar.SU...
public static String getDateFormat(Date date,String format) { return new SimpleDateFormat(format).format(date); } } 1. 2. 3. 4. 5. 6. 1.获取当前时间 Calendar calendar = Calendar.getInstance(); String now = Time.getDateFormat(calendar.getTime(),"yyyy-MM-dd HH:mm:ss"); 1. 2. 2...
private final static SimpleDateFormat longHourSdf = new SimpleDateFormat("yyyy-MM-dd HH"); private final static SimpleDateFormat longSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); /** * 获得本周的第一天,周一 * @return */ public static Date getCurrentWeekDayStartTime() { Calendar...
Calendar1.VisibleDate.Month,1)DimlastDateAsDateTime = GetFirstDayOfNextMonth() dsHolidays = GetCurrentMonthData(firstDate, lastDate)EndSubProtectedFunctionGetFirstDayOfNextMonth()AsDateTimeDimmonthNumber, yearNumberAsIntegerIfCalendar1.VisibleDate.Month =12ThenmonthNumber =1yearNumber = Calendar1.Visible...
public void set(int year,int month,int date,int hourofday,int minute,int second)设置日历的年、月、日、时、分、秒。 public int get(int field)返回给定日历字段的值。所谓字段就是年、月、日等等。 public void setTime(Date date)使用给定的Date设置此日历的时间。Date---Calendar,重新设置时间 publi...
12 Get Current Day (Monday, Tuesday, etc) in Java 4 Trying to get date of Monday in current week 1 How to get the day of week for a given date when the week begins on a Monday? 33 Get current week start and end date in Java - (MONDAY TO SUNDAY) 0 Take day of week from...
Date date = calendar.getTime(); // 将 Date 对象反应到一个 Calendar 对象中, // 先获得一个实例,然后设置 Date 对象 calendar.setTime(date); 月份的起始值为0而不是1,所以要设置八月时,我们用7而不是8. calendar.set(Calendar.MONTH, 7); ...
}// now try each value from getLeastMaximum() to getMaximum() one by one until// we get a value that normalizes to another value. The last value that// normalizes to itself is the actual maximum for the current dateintresult=fieldValue;do{work.set(field,fieldValue);if(work.get(...
calendar.setTime(currentDate); // 修改日期的天数 calendar.add(Calendar.DAY_OF_MONTH, 1); 线程安全性:Date和Calendar类,以及格式化日期的SimpleDateFormat类都不是线程安全的,这意味着在多线程环境下的并发访问可能会导致数据不一致。 Date类内部维护了一个 long 类型的瞬时值,当调用如setTime()方法来更新这...