日历操作

　　　　　　　　　　　　　　　　　　　　日历操作

获得年月日

 

/**
 * @description 该方法用于得到年月日
 * @return 按照"20101210"的形式返回年月日字符串
 */
public static String getYearMonthDay() {
    Calendar calendar = Calendar.getInstance();
    String year = calendar.get(Calendar.YEAR) + "";
    String month = calendar.get(Calendar.MONTH) + 1 + "";
    String day = calendar.get(Calendar.DAY_OF_MONTH) + "";

    month = month.length() == 1 ? "0" + month : month;
    day = day.length() == 1 ? "0" + day : day;
    return year + month + day;
}

 

 

获得时分秒

 

/**
 * @description 该方法用于得到时分秒
 * @return 按照"212436"的形式返回时分秒字符串
 */
public static String getHourMinuteSecond() {
    SimpleDateFormat sdf = new SimpleDateFormat("HHmmss");
    String time = sdf.format(new Date());
    return time;
}

 

 

 

判断是否是闰年？

 

public static void runnian() 
{
    boolean isRunNian = new GregorianCalendar().isLeapYear(2010);// 判断是否是闰年
    if(isRunNian)
    {
        System.out.println("toyear is leap year");
    } 
    else
    {
        System.out.println("toyear is non-leap year");
    }
}