| | |
| | | return c.getTime(); |
| | | } |
| | | |
| | | /**时间上年数叠加 |
| | | * @Author: ChenJiaHe |
| | | * @param dateTime 时间 |
| | | * @param dayNum 天数 |
| | | * @return |
| | | */ |
| | | public static Date addYear(Date dateTime,int dayNum){ |
| | | Calendar c = Calendar.getInstance(); |
| | | c.setTime(dateTime); |
| | | c.add(Calendar.YEAR, dayNum); |
| | | return c.getTime(); |
| | | } |
| | | |
| | | /** |
| | | * 转换成字符串到指定的日期 |
| | | * |
| | |
| | | return weekDays[w]; |
| | | } |
| | | |
| | | /** |
| | | * endTime比startTime多的天数 |
| | | * @param startTime 最小时间 |
| | | * @param endTime 最大时间 |
| | | * @return |
| | | */ |
| | | public static Integer differDay(Date startTime,Date endTime){ |
| | | Calendar cal1 = Calendar.getInstance(); |
| | | cal1.setTime(startTime); |
| | | |
| | | Calendar cal2 = Calendar.getInstance(); |
| | | cal2.setTime(endTime); |
| | | int day1= cal1.get(Calendar.DAY_OF_YEAR); |
| | | int day2 = cal2.get(Calendar.DAY_OF_YEAR); |
| | | |
| | | int year1 = cal1.get(Calendar.YEAR); |
| | | int year2 = cal2.get(Calendar.YEAR); |
| | | if(year1 != year2) { //同一年 |
| | | int timeDistance = 0 ; |
| | | for(int i = year1 ; i < year2 ; i ++) { |
| | | if(i%4==0 && i%100!=0 || i%400==0) {//闰年 |
| | | timeDistance += 366; |
| | | } |
| | | else {//不是闰年 |
| | | timeDistance += 365; |
| | | } |
| | | } |
| | | |
| | | return timeDistance + (day2-day1) ; |
| | | } |
| | | else { //不同年 |
| | | System.out.println("判断day2 - day1 : " + (day2-day1)); |
| | | return day2-day1; |
| | | } |
| | | } |
| | | |
| | | /**判断两个时间是不是同一天*/ |
| | | public static boolean timeEqual(Date startTime,Date endTime){ |
| | | if(startTime == null || endTime==null){ |
| | |
| | | return str; |
| | | } |
| | | |
| | | /** |
| | | * 针对str格式的时间做转换 格式为"xx:xx" |
| | | * @param time 传入的时间 |
| | | * @return 返回分钟如果10:25,则返回625 |
| | | */ |
| | | public static int getMinuteNum(String time){ |
| | | |
| | | if(!StringUtils.isEmpty(time)) |
| | | { |
| | | String[] arr = time.split(":"); |
| | | if(arr != null && arr.length == 2) |
| | | { |
| | | return Integer.parseInt(arr[0]) * 60 + Integer.parseInt(arr[1]); |
| | | } |
| | | } |
| | | |
| | | return 0; |
| | | |
| | | |
| | | } |
| | | |
| | | } |