1 /**
2 * 日期推迟计算
3 * @param date
4 * @param num
5 * @return java.util.HashMap<java.lang.String,java.lang.String>
6 */
7 public static String dateAdd(String date, int num) throws ParseException {
8 SimpleDateFormat sj = new SimpleDateFormat("yyyy-MM-dd");
9 Date dateFormat = sj.parse(date);
10 Calendar calendar = Calendar.getInstance();
11 calendar.setTime(dateFormat);
12 calendar.add(calendar.DATE, num);
13 //System.out.println("期望日期：" + sj.format(calendar.getTime()));
14 return sj.format(calendar.getTime());
15 }
1 /**
2 * 是否超过指定日期
3 *
4 * @param
5 * @return
6 */
7 public boolean dateJudge(String start, String end) throws ParseException {
8 SimpleDateFormat sj = new SimpleDateFormat("yyyy-MM-dd");
9 Date startDate = sj.parse(start);
10 Date endDate = sj.parse(end);
11 if (startDate.before(endDate)) {
12 return false;
13 } else {
14 return true;
15 }
16 }
1 public static void main(String[] args) throws ParseException {
2 String startDate = "2015-01-01";
3 String endDate = "2015-01-15";
4 String newDate = dateAdd(startDate, 1);
5
6 while (dateJudge(newDate, endDate)) {
7 String tempStartDate = dateAdd(newDate, -1);
8 System.out.println(tempStartDate + "___" + newDate);
9 newDate = dateAdd(newDate, 1);
10 }
11
12 }
1 public static void main(String[] args) throws ParseException {
2 String startDate = "2015-01-01";
3 String endDate = "2015-01-17";
4 String newDate = startDate;
5
6 while (dateJudge(newDate, endDate)) {
7 if (dateJudge(dateAdd(newDate, 2), endDate)) {
8 System.out.println(newDate.concat(" 00:00:00__________") + dateAdd(newDate, 2).concat(" 23:59:59"));
9 newDate = dateAdd(newDate, 3);
10 } else {
11 break;
12
13 }
14 }
15 while (dateJudge(newDate, endDate)) {
16 System.out.println(newDate);
17 newDate = dateAdd(newDate, 1);
18 }
19 }
