- import java.sql.Timestamp;
- import java.text.ParseException;
- import java.text.ParsePosition;
- import java.text.SimpleDateFormat;
- import java.util.Calendar;
- import java.util.Date;
- import java.util.GregorianCalendar;
- public class TimestampTool {
- /**
- * 将毫秒转成时间
- */
- public static String getTimeMillisToDate(long l) {
- Timestamp d = new Timestamp(l);
- return d.toString().substring(0, 19);
- }
- /**
- * 当前时间
- *
- * @return Timestamp
- */
- public static Timestamp crunttime() {
- return new Timestamp(System.currentTimeMillis());
- }
- /**
- * 获取当前时间的字符串
- *
- * @return String ex:2006-07-07
- */
- public static String getCurrentDate() {
- Timestamp d = crunttime();
- return d.toString().substring(0, 10);
- }
- /**
- * 获取当前时间的字符串
- *
- * @return String ex:2006-07-07 22:10:10
- */
- public static String getCurrentDateTime() {
- Timestamp d = crunttime();
- return d.toString().substring(0, 19);
- }
- public static String getWeekDay() {
- Calendar date = Calendar.getInstance();
- date.setTime(crunttime());
- return new SimpleDateFormat("EEEE").format(date.getTime());
- }
- /**
- * 获取指定时间的字符串,只到日期
- *
- * @param t
- * Timestamp
- * @return String ex:2006-07-07
- */
- public static String getStrDate(Timestamp t) {
- return t.toString().substring(0, 10);
- }
- /**
- * 获取指定时间的字符串
- *
- * @param t
- * Timestamp
- * @return String ex:2006-07-07 22:10:10
- */
- public static String getStrDateTime(Timestamp t) {
- return t.toString().substring(0, 19);
- }
- /**
- * 获得当前日期的前段日期
- *
- * @param days
- * @return String
- */
- public static String getStrIntervalDate(String days) {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
- Calendar cal = Calendar.getInstance();
- cal.add(Calendar.DATE, -Integer.parseInt(days));
- String strBeforeDays = sdf.format(cal.getTime());
- return strBeforeDays;
- }
- /**
- * 格式化时间
- *
- * @param dt
- * String -> yyyy-MM-dd hh:mm:ss
- * @return java.util.Date.Date -> yyyy-MM-dd hh:mm:ss
- */
- public static Date parseDateTime(String dt) {
- Date jDt = new Date();
- try {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- if (dt.length() > 10) {
- jDt = sdf.parse(dt);
- }
- } catch (Exception ex) {
- ex.printStackTrace();
- }
- return jDt;
- }
- /**
- * 格式化时间yyyy-MM-dd HH:mm:ss
- *
- * @param date
- * java.util.Date
- * @return String -> yyyy-MM-dd HH:mm:ss
- */
- public static String parseDateTime(Date date) {
- String s = null;
- if (date != null) {
- try {
- SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- s = f.format(date);
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- return s;
- }
- /**
- * 格式化日期
- *
- * @param dt
- * String -> yyyy-MM-dd
- * @return java.util.Date.Date -> yyyy-MM-dd
- */
- public static Date parseDate(String dt) {
- Date jDt = new Date();
- try {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
- if (dt.length() >= 8) {
- jDt = sdf.parse(dt);
- }
- } catch (Exception ex) {
- ex.printStackTrace();
- }
- return jDt;
- }
- /**
- * 格式化时间yyyy-MM-dd
- *
- * @param date
- * java.util.Date
- * @return String -> yyyy-MM-dd
- */
- public static String parseDate(Date date) {
- String s = null;
- try {
- if (date != null) {
- SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
- s = f.format(date);
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- return s;
- }
- /**
- *
- * @param dt
- * @return String
- */
- public static String getLongDateFromShortDate(String dt) {
- String strDT = dt;
- try {
- if (strDT != null && strDT.length() <= 10) {
- strDT = dt.trim() + " 00:00:00";
- }
- } catch (Exception ex) {
- ex.printStackTrace();
- }
- return strDT;
- }
- /**
- *
- * @param dt
- * @return String
- */
- public static String getShortDateToHHMM(String dt) {
- String jDt = dt;
- try {
- if (jDt != null && jDt.length() <= 10) {
- jDt = jDt + " 00:00";
- }
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");
- jDt = sdf.parse(jDt).toLocaleString();
- } catch (Exception ex) {
- ex.printStackTrace();
- }
- return jDt;
- }
- /**
- *
- * @param dateStr
- * @return String
- */
- public static String formatDateToHHMM(String dateStr) {
- String resultDate = null;
- try {
- if (dateStr.length() > 10) {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:ss");
- Date date = sdf.parse(dateStr);
- resultDate = sdf.format(date);
- } else
- resultDate = dateStr;
- } catch (ParseException e) {
- e.printStackTrace();
- }
- return resultDate;
- }
- /**
- * 返回日期 格式:2006-07-05
- *
- * @param str
- * @return Timestamp
- */
- public static Timestamp date(String str) {
- Timestamp tp = null;
- if (str.length() <= 10) {
- String[] string = str.trim().split("-");
- int one = Integer.parseInt(string[0]) - 1900;
- int two = Integer.parseInt(string[1]) - 1;
- int three = Integer.parseInt(string[2]);
- tp = new Timestamp(one, two, three, 0, 0, 0, 0);
- }
- return tp;
- }
- // 获取指定日期之后的日期字符串 如 2007-04-15 后一天 就是 2007-04-16
- public static String getNextDay(String strDate, int day) {
- if (strDate != null && !strDate.equals("")) {
- Calendar cal1 = Calendar.getInstance();
- String[] string = strDate.trim().split("-");
- int one = Integer.parseInt(string[0]) - 1900;
- int two = Integer.parseInt(string[1]) - 1;
- int three = Integer.parseInt(string[2]);
- cal1.setTime(new Date(one, two, three));
- cal1.add(Calendar.DAY_OF_MONTH, day);
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- return formatter.format(cal1.getTime());
- } else {
- return null;
- }
- }
- // 获取指定日期之后的日期字符串 如 2007-02-28 后一年 就是 2008-02-29 (含闰年)
- public static String getNextYear(String strDate, int year) {
- Calendar cal1 = Calendar.getInstance();
- String[] string = strDate.trim().split("-");
- int one = Integer.parseInt(string[0]) - 1900;
- int two = Integer.parseInt(string[1]) - 1;
- int three = Integer.parseInt(string[2]);
- cal1.setTime(new Date(one, two, three));
- cal1.add(Calendar.YEAR, year);
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- return formatter.format(cal1.getTime());
- }
- /**
- * 返回时间和日期 格式:2006-07-05 22:10:10
- *
- * @param str
- * @return Timestamp
- */
- public static Timestamp datetime(String str) {
- Timestamp tp = null;
- if (str != null && str.length() > 10) {
- String[] string = str.trim().split(" ");
- String[] date = string[0].split("-");
- String[] time = string[1].split(":");
- int date1 = Integer.parseInt(date[0]) - 1900;
- int date2 = Integer.parseInt(date[1]) - 1;
- int date3 = Integer.parseInt(date[2]);
- int time1 = Integer.parseInt(time[0]);
- int time2 = Integer.parseInt(time[1]);
- int time3 = Integer.parseInt(time[2]);
- tp = new Timestamp(date1, date2, date3, time1, time2, time3, 0);
- }
- return tp;
- }
- /**
- * 返回日期和时间(没有秒) 格式:2006-07-05 22:10
- *
- * @param str
- * @return Timestamp
- */
- public static Timestamp datetimeHm(String str) {
- Timestamp tp = null;
- if (str.length() > 10) {
- String[] string = str.trim().split(" ");
- String[] date = string[0].split("-");
- String[] time = string[1].split(":");
- int date1 = Integer.parseInt(date[0]) - 1900;
- int date2 = Integer.parseInt(date[1]) - 1;
- int date3 = Integer.parseInt(date[2]);
- int time1 = Integer.parseInt(time[0]);
- int time2 = Integer.parseInt(time[1]);
- tp = new Timestamp(date1, date2, date3, time1, time2, 0, 0);
- }
- return tp;
- }
- /**
- * 获得当前系统日期与本周一相差的天数
- *
- * @return int
- */
- private static int getMondayPlus() {
- Calendar calendar = Calendar.getInstance();
- // 获得今天是一周的第几天,正常顺序是星期日是第一天,星期一是第二天......
- int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK); // 星期日是第一天
- return (dayOfWeek == 1) ? -6 : 2 - dayOfWeek;
- }
- /**
- * 获得距当前时间所在某星期的周一的日期 例: 0-本周周一日期 -1-上周周一日期 1-下周周一日期
- *
- * @param week
- * int
- * @return java.util.Date
- */
- public static Date getMondayOfWeek(int week) {
- int mondayPlus = getMondayPlus(); // 相距周一的天数差
- GregorianCalendar current = new GregorianCalendar();
- current.add(GregorianCalendar.DATE, mondayPlus + 7 * week);
- return current.getTime();
- }
- /**
- * 获得某日前后的某一天
- *
- * @param date
- * java.util.Date
- * @param day
- * int
- * @return java.util.Date
- */
- public static Date getDay(Date date, int day) {
- GregorianCalendar c = new GregorianCalendar();
- c.setTime(date);
- c.add(GregorianCalendar.DATE, day);
- return c.getTime();
- }
- /**
- * 获得距当前周的前后某一周的日期
- *
- * @param week
- * int
- * @return String[]
- */
- public static String[] getDaysOfWeek(int week) {
- String[] days = new String[7];
- Date monday = getMondayOfWeek(week); // 获得距本周前或后的某周周一
- Timestamp t = new Timestamp(monday.getTime());
- days[0] = getStrDate(t);
- for (int i = 1; i < 7; i++) {
- t = new Timestamp(getDay(monday, i).getTime());
- days[i] = getStrDate(t);
- }
- return days;
- }
- /***
- * MCC的UTC时间转换,MCC的UTC不是到毫秒的
- *
- * @param utc
- * @return java.util.Date
- */
- public static Date mccUTC2Date(long utc) {
- Date d = new Date();
- d.setTime(utc * 1000); // 转成毫秒
- return d;
- }
- // 将长时间格式字符串转换为时间 yyyy-MM-dd HH:mm:ss
- public static Date strToDateLong(String strDate) {
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- ParsePosition pos = new ParsePosition(0);
- Date strtodate = (Date) formatter.parse(strDate, pos);
- if (strtodate == null) {
- formatter = new SimpleDateFormat("yyyy-MM-dd");
- strtodate = (Date) formatter.parse(strDate, pos);
- }
- return strtodate;
- }
- // 将 yyyy-MM-dd HH:mm 格式字符串转换为时间
- public static Date strToDateTime(String strDate) {
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm");
- ParsePosition pos = new ParsePosition(0);
- Date strtodate = (Date) formatter.parse(strDate, pos);
- if (strtodate == null) {
- formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- strtodate = (Date) formatter.parse(strDate, pos);
- }
- return strtodate;
- }
- // 根据输入的字符串返回日期字符串 2006-07-07 22:10 2006-07-07
- public static String getStrDate(String str) {
- if (str.length() > 10) {
- String[] string = str.trim().split(" ");
- return string[0];
- } else {
- return getCurrentDate();
- }
- }
- // 获取当前时间的字符串 2006-07-07 22:10:10 2006-07-07_221010
- public static String getStrDateTime() {
- Timestamp d = crunttime();
- return d.toString().substring(0, 19).replace(":", "").replace(" ", "_");
- }
- // 根据日期字符串,返回今天,昨天或日期
- public static String getDayOrDate(String str) {
- if (str != null && !str.equals("")) {
- if (getNextDay(str, 0).equals(getCurrentDate())) {
- str = "今天";
- } else if (getNextDay(str, 1).equals(getCurrentDate())) {
- str = "昨天";
- }
- }
- return str;
- }
- // 返回当前日期所在星期,2对应星期一
- public static int getMonOfWeek() {
- Calendar cal1 = Calendar.getInstance();
- cal1.setTime(new Date());
- return cal1.get(Calendar.DAY_OF_WEEK);
- }
- public static void main(String[] args) {
- System.out.println(System.currentTimeMillis());
- }
- /**
- * 获取当前日期之前的日期字符串 如 2007-04-15 前5月 就是 2006-11-15
- */
- public static String getPreviousMonth(int month) {
- Calendar cal1 = Calendar.getInstance();
- cal1.setTime(new Date());
- cal1.add(Calendar.MONTH, -month);
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- return formatter.format(cal1.getTime());
- }
- public static String getStrYear(int year) {
- Calendar cal1 = Calendar.getInstance();
- cal1.setTime(new Date());
- cal1.add(Calendar.YEAR, -year);
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy");
- return formatter.format(cal1.getTime()) + "年份";
- }
- /**
- * 比较两个日期前后 可以大于或等于
- *
- * @param starDate
- * @param endDate
- * @return
- */
- public static boolean compareTwoDays(String starDate, String endDate) {
- Calendar cal_start = Calendar.getInstance();
- Calendar cal_end = Calendar.getInstance();
- cal_start.setTime(parseDate(starDate));
- cal_end.setTime(parseDate(endDate));
- return cal_end.after(cal_start);
- }
- public static int getDaysBetween(java.util.Calendar d1,
- java.util.Calendar d2) {
- if (d1.after(d2)) { // swap dates so that d1 is start and d2 is end
- java.util.Calendar swap = d1;
- d1 = d2;
- d2 = swap;
- }
- int days = d2.get(java.util.Calendar.DAY_OF_YEAR)
- - d1.get(java.util.Calendar.DAY_OF_YEAR);
- int y2 = d2.get(java.util.Calendar.YEAR);
- if (d1.get(java.util.Calendar.YEAR) != y2) {
- d1 = (java.util.Calendar) d1.clone();
- do {
- days += d1.getActualMaximum(java.util.Calendar.DAY_OF_YEAR);
- d1.add(java.util.Calendar.YEAR, 1);
- } while (d1.get(java.util.Calendar.YEAR) != y2);
- }
- return days;
- }
- // 得到两个日期之间的年
- public static int dateDiffYear(String starDate, String endDate) {
- int result = 0;
- Calendar d1 = Calendar.getInstance();
- Calendar d2 = Calendar.getInstance();
- d1.setTime(parseDate(starDate));
- d2.setTime(parseDate(endDate));
- // 日期大小翻转
- if (d1.after(d2)) { // swap dates so that d1 is start and d2 is end
- java.util.Calendar swap = d1;
- d1 = d2;
- d2 = swap;
- }
- int yy = d2.get(Calendar.YEAR) - d1.get(Calendar.YEAR);
- int mm = d2.get(Calendar.MONTH) - d1.get(Calendar.MONTH);
- if (mm < 0) {
- result = yy - 1;
- }
- if (mm > 0) {
- result = yy;
- }
- if (mm == 0) {
- if ((d2.getTimeInMillis() - d1.getTimeInMillis()) >= 0) {
- result = yy;
- } else {
- result = yy - 1;
- }
- }
- return result;
- }
- // 获取年龄
- public static int getAgeByBirth(String starDate) {
- return dateDiffYear(starDate, getCurrentDate());
- }
- }
来源: http://www.phpxs.com/code/1002480/