| | |
| | | |
| | | public static DateTimeFormatter format_ymd_String = DateTimeFormatter.ofPattern("yyMMdd"); |
| | | |
| | | public static SimpleDateFormat yyyyMM_format = new SimpleDateFormat("yyyy-MM"); |
| | | |
| | | |
| | | |
| | | /** |
| | |
| | | return now; |
| | | } |
| | | |
| | | /** |
| | | * 返回当前事件的时间戳 |
| | | * @return |
| | | */ |
| | | public static Long getCurrentDateTimeStamp(){ |
| | | return LocalDateTime.now().toInstant(ZoneOffset.of("+8")).toEpochMilli(); |
| | | } |
| | | /** |
| | | * 获取当前时间字符串,格式为yyyy-MM-dd HH:mm:ss |
| | | * @return |
| | |
| | | public static Date getDateM(Date start, int min) { |
| | | Calendar date1 = Calendar.getInstance(); |
| | | date1.setTime(start); |
| | | date1.add(12, min); |
| | | date1.add(Calendar.MONTH, min); |
| | | return date1.getTime(); |
| | | } |
| | | |
| | | public static Date parseDateYM(String str) { |
| | | try { |
| | | return yyyyMM_format.parse(str); |
| | | } catch (ParseException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | return null; |
| | | } |
| | | |
| | | |
| | | public static int getMonth(Date date){ |
| | | Calendar instance = Calendar.getInstance(); |
| | | instance.setTime(date); |
| | | return instance.get(Calendar.MONTH); |
| | | } |
| | | |
| | | public static boolean before(Date start, Date end){ |
| | | Calendar date1 = Calendar.getInstance(); |
| | | date1.setTime(start); |
| | | Calendar date2 = Calendar.getInstance(); |
| | | date2.setTime(end); |
| | | return date1.before(date2); |
| | | } |
| | | |
| | | |
| | | |
| | | |
| | | public static void main(String[]args)throws Exception{ |
| | | isValidDate("2020/12/4"); |
| | | // Date date= new Date(); |
| | | // Date after = new Date(); |
| | | // System.out.println(calTimeDifference(date,after)); |
| | | System.out.println(getYearMonthStart(2021,2)); |
| | | |
| | | } |
| | | } |