- public static Date getSqlDate() {
- Date sqlDate = new java.sql.Date(new Date().getTime());
- return sqlDate;
- }
- //返回 格式
- sqlDate===========2017-06-19
-
-
public static String getNowDate() {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString=formatter.format(currentTime);
return dateString;
}
-
- public static Date getNowDateShort() {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- String dateString = formatter.format(currentTime);
- ParsePosition pos = new ParsePosition(8);
- Date currentTime_2 = formatter.parse(dateString, pos);
- return currentTime_2;
- }
-
- public static String getStringDate() {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- String dateString = formatter.format(currentTime);
- return dateString;
- }
-
- public static String getStringDateShort() {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- String dateString = formatter.format(currentTime);
- return dateString;
- }
-
- public static String getTimeShort() {
- SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
- Date currentTime = new Date();
- String dateString = formatter.format(currentTime);
- return dateString;
- }
-
- public static Date strToDateLong(String strDate) {
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- ParsePosition pos = new ParsePosition(0);
- Date strtodate = formatter.parse(strDate, pos);
- return strtodate;
- }
-
- public static String dateToStrLong(java.util.Date dateDate) {
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- String dateString = formatter.format(dateDate);
- return dateString;
- }
-
- public static String dateToStr(java.util.Date dateDate) {
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- String dateString = formatter.format(dateDate);
- return dateString;
- }
-
- public static Date strToDate(String strDate) {
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- ParsePosition pos = new ParsePosition(0);
- Date strtodate = formatter.parse(strDate, pos);
- return strtodate;
- }
-
- public static Date getNow() {
- Date currentTime = new Date();
- return currentTime;
- }
-
- public static Date getLastDate(long day) {
- Date date = new Date();
- long date_3_hm = date.getTime() - 3600000 * 34 * day;
- Date date_3_hm_date = new Date(date_3_hm);
- return date_3_hm_date;
- }
-
- public static String getStringToday() {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HHmmss");
- String dateString = formatter.format(currentTime);
- return dateString;
- }
-
- public static String getHour() {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- String dateString = formatter.format(currentTime);
- String hour;
- hour = dateString.substring(11, 13);
- return hour;
- }
-
- public static String getTime() {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- String dateString = formatter.format(currentTime);
- String min;
- min = dateString.substring(14, 16);
- return min;
- }
-
- public static String getUserDate(String sformat) {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat(sformat);
- String dateString = formatter.format(currentTime);
- return dateString;
- }
-
- public static String getTwoHour(String st1, String st2) {
- String[] kk = null;
- String[] jj = null;
- kk = st1.split(":");
- jj = st2.split(":");
- if (Integer.parseInt(kk[0]) < Integer.parseInt(jj[0]))
- return "0";
- else {
- double y = Double.parseDouble(kk[0]) + Double.parseDouble(kk[1])
- / 60;
- double u = Double.parseDouble(jj[0]) + Double.parseDouble(jj[1])
- / 60;
- if ((y - u) > 0)
- return y - u + "";
- else
- return "0";
- }
- }
-
- public static String getTwoDay(String sj1, String sj2) {
- SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
- long day = 0;
- try {
- java.util.Date date = myFormatter.parse(sj1);
- java.util.Date mydate = myFormatter.parse(sj2);
- day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
- } catch (Exception e) {
- return "";
- }
- return day + "";
- }
-
- public static String getPreTime(String sj1, String jj) {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- String mydate1 = "";
- try {
- Date date1 = format.parse(sj1);
- long Time = (date1.getTime() / 1000) + Integer.parseInt(jj) * 60;
- date1.setTime(Time * 1000);
- mydate1 = format.format(date1);
- } catch (Exception e) {
- }
- return mydate1;
- }
-
- public static String getNextDay(String nowdate, String delay) {
- try {
- SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
- String mdate = "";
- Date d = strToDate(nowdate);
- long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24
- * 60 * 60;
- d.setTime(myTime * 1000);
- mdate = format.format(d);
- return mdate;
- } catch (Exception e) {
- return "";
- }
- }
-
- public static boolean isLeapYear(String ddate) {
-
- Date d = strToDate(ddate);
- GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
- gc.setTime(d);
- int year = gc.get(Calendar.YEAR);
- if ((year % 400) == 0)
- return true;
- else if ((year % 4) == 0) {
- if ((year % 100) == 0)
- return false;
- else
- return true;
- } else
- return false;
- }
-
- public static String getEDate(String str) {
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- ParsePosition pos = new ParsePosition(0);
- Date strtodate = formatter.parse(str, pos);
- String j = strtodate.toString();
- String[] k = j.split(" ");
- return k[2] + k[1].toUpperCase() + k[5].substring(2, 4);
- }
-
- public static String getEndDateOfMonth(String dat) {
- String str = dat.substring(0, 8);
- String month = dat.substring(5, 7);
- int mon = Integer.parseInt(month);
- if (mon == 1 || mon == 3 || mon == 5 || mon == 7 || mon == 8
- || mon == 10 || mon == 12) {
- str += "31";
- } else if (mon == 4 || mon == 6 || mon == 9 || mon == 11) {
- str += "30";
- } else {
- if (isLeapYear(dat)) {
- str += "29";
- } else {
- str += "28";
- }
- }
- return str;
- }
-
- public static boolean isSameWeekDates(Date date1, Date date2) {
- Calendar cal1 = Calendar.getInstance();
- Calendar cal2 = Calendar.getInstance();
- cal1.setTime(date1);
- cal2.setTime(date2);
- int subYear = cal1.get(Calendar.YEAR) - cal2.get(Calendar.YEAR);
- if (0 == subYear) {
- if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2
- .get(Calendar.WEEK_OF_YEAR))
- return true;
- } else if (1 == subYear && 11 == cal2.get(Calendar.MONTH)) {
-
- if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2
- .get(Calendar.WEEK_OF_YEAR))
- return true;
- } else if (-1 == subYear && 11 == cal1.get(Calendar.MONTH)) {
- if (cal1.get(Calendar.WEEK_OF_YEAR) == cal2
- .get(Calendar.WEEK_OF_YEAR))
- return true;
- }
- return false;
- }
-
- public static String getSeqWeek() {
- Calendar c = Calendar.getInstance(Locale.CHINA);
- String week = Integer.toString(c.get(Calendar.WEEK_OF_YEAR));
- if (week.length() == 1)
- week = "0" + week;
- String year = Integer.toString(c.get(Calendar.YEAR));
- return year + week;
- }
-
- public static String getWeek(String sdate, String num) {
-
- Date dd = strToDate(sdate);
- Calendar c = Calendar.getInstance();
- c.setTime(dd);
- if (num.equals("1"))
- c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
- else if (num.equals("2"))
- c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);
- else if (num.equals("3"))
- c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);
- else if (num.equals("4"))
- c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);
- else if (num.equals("5"))
- c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);
- else if (num.equals("6"))
- c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);
- else if (num.equals("0"))
- c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
- return new SimpleDateFormat("yyyy-MM-dd").format(c.getTime());
- }
-
- public static String getWeek(String sdate) {
-
- Date date = strToDate(sdate);
- Calendar c = Calendar.getInstance();
- c.setTime(date);
-
-
-
- return new SimpleDateFormat("EEEE").format(c.getTime());
- }
-
- public static String getWeekStr(String sdate) {
- String str = "";
- str = getWeek(sdate);
- if ("1".equals(str)) {
- str = "星期日";
- } else if ("2".equals(str)) {
- str = "星期一";
- } else if ("3".equals(str)) {
- str = "星期二";
- } else if ("4".equals(str)) {
- str = "星期三";
- } else if ("5".equals(str)) {
- str = "星期四";
- } else if ("6".equals(str)) {
- str = "星期五";
- } else if ("7".equals(str)) {
- str = "星期六";
- }
- return str;
- }
-
- public static long getDays(String date1, String date2) {
- if (date1 == null || date1.equals(""))
- return 0;
- if (date2 == null || date2.equals(""))
- return 0;
-
- SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
- java.util.Date date = null;
- java.util.Date mydate = null;
- try {
- date = myFormatter.parse(date1);
- mydate = myFormatter.parse(date2);
- } catch (Exception e) {
- }
- long day = (date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000);
- return day;
- }
-
- public static String getNowMonth(String sdate) {
-
- sdate = sdate.substring(0, 8) + "01";
-
- Date date = strToDate(sdate);
- Calendar c = Calendar.getInstance();
- c.setTime(date);
- int u = c.get(Calendar.DAY_OF_WEEK);
- String newday = getNextDay(sdate, (1 - u) + "");
- return newday;
- }
-
- public static String getNo(int k) {
- return getUserDate("yyyyMMddhhmmss") + getRandom(k);
- }
-
- public static String getRandom(int i) {
- Random jjj = new Random();
-
- if (i == 0)
- return "";
- String jj = "";
- for (int k = 0; k < i; k++) {
- jj = jj + jjj.nextInt(9);
- }
- return jj;
- }
-
- public static boolean RightDate(String date) {
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
- ;
- if (date == null)
- return false;
- if (date.length() > 10) {
- sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
- } else {
- sdf = new SimpleDateFormat("yyyy-MM-dd");
- }
- try {
- sdf.parse(date);
- } catch (ParseException pe) {
- return false;
- }
- return true;
- }
-
- public static String getStringDateMonth(String sdate, String nd, String yf,
- String rq, String format) {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- String dateString = formatter.format(currentTime);
- String s_nd = dateString.substring(0, 4);
- String s_yf = dateString.substring(5, 7);
- String s_rq = dateString.substring(8, 10);
- String sreturn = "";
- if (sdate == null || sdate.equals("") || !Isdate(sdate)) {
- if (nd.equals("1")) {
- sreturn = s_nd;
-
- if (format.equals("1"))
- sreturn = sreturn + "年";
- else if (format.equals("2"))
- sreturn = sreturn + "-";
- else if (format.equals("3"))
- sreturn = sreturn + "/";
- else if (format.equals("5"))
- sreturn = sreturn + ".";
- }
-
- if (yf.equals("1")) {
- sreturn = sreturn + s_yf;
- if (format.equals("1"))
- sreturn = sreturn + "月";
- else if (format.equals("2"))
- sreturn = sreturn + "-";
- else if (format.equals("3"))
- sreturn = sreturn + "/";
- else if (format.equals("5"))
- sreturn = sreturn + ".";
- }
-
- if (rq.equals("1")) {
- sreturn = sreturn + s_rq;
- if (format.equals("1"))
- sreturn = sreturn + "日";
- }
- } else {
-
-
- s_nd = sdate.substring(0, 4);
- s_yf = sdate.substring(5, 7);
- s_rq = sdate.substring(8, 10);
- if (nd.equals("1")) {
- sreturn = s_nd;
-
- if (format.equals("1"))
- sreturn = sreturn + "年";
- else if (format.equals("2"))
- sreturn = sreturn + "-";
- else if (format.equals("3"))
- sreturn = sreturn + "/";
- else if (format.equals("5"))
- sreturn = sreturn + ".";
- }
-
- if (yf.equals("1")) {
- sreturn = sreturn + s_yf;
- if (format.equals("1"))
- sreturn = sreturn + "月";
- else if (format.equals("2"))
- sreturn = sreturn + "-";
- else if (format.equals("3"))
- sreturn = sreturn + "/";
- else if (format.equals("5"))
- sreturn = sreturn + ".";
- }
-
- if (rq.equals("1")) {
- sreturn = sreturn + s_rq;
- if (format.equals("1"))
- sreturn = sreturn + "日";
- }
- }
- return sreturn;
- }
-
- public static String getNextMonthDay(String sdate, int m) {
- sdate = getOKDate(sdate);
- int year = Integer.parseInt(sdate.substring(0, 4));
- int month = Integer.parseInt(sdate.substring(5, 7));
- month = month + m;
- if (month < 0) {
- month = month + 12;
- year = year - 1;
- } else if (month > 12) {
- month = month - 12;
- year = year + 1;
- }
- String smonth = "";
- if (month < 10)
- smonth = "0" + month;
- else
- smonth = "" + month;
- return year + "-" + smonth + "-10";
- }
-
- public static String getOKDate(String sdate) {
- if (sdate == null || sdate.equals(""))
- return getStringDateShort();
- if (!Isdate(sdate)) {
- sdate = getStringDateShort();
- }
-
- sdate = sdate.replace("/", "-");
-
- if (sdate.length() == 8)
- sdate = sdate.substring(0, 4) + "-" + sdate.substring(4, 6) + "-"
- + sdate.substring(6, 8);
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
- ParsePosition pos = new ParsePosition(0);
- Date strtodate = formatter.parse(sdate, pos);
- String dateString = formatter.format(strtodate);
- return dateString;
- }
-
- public static void main(String[] args) throws Exception {
- try {
-
-
- } catch (Exception e) {
- throw new Exception();
- }
-
- }
java 时间转换
原文:http://www.cnblogs.com/yiyunkeji/p/7049918.html