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-
- Java时间格式转换大全
-
- import java.text.*;
- import java.util.Calendar;
- public class VeDate {
-
-
-
-
-
- public static Date getNowDate() {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- String dateString = formatter.format(currentTime);
- ParsePosition pos = new ParsePosition(8);
- Date currentTime_2 = formatter.parse(dateString, pos);
- return currentTime_2;
- }
-
-
-
-
-
- DateFormat format1 = new SimpleDateFormat("yyyy-MM-dd");
- DateFormat format 2= new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
- Date date = null;
- String str = null;
-
-
- str = "2007-1-18";
- try {
- date = format1.parse(str);
- data = format2.parse(str);
- } catch (ParseException e) {
- e.printStackTrace();
- }
-
-
-
-
-
- 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;
- }
- --------------------------------------------------------------------------------------------------------------------------------
- 做成方法
- import java.util.*;
- import java.text.*;
- import java.util.Calendar;
-
- public class VeDate {
-
-
-
-
-
- public static Date getNowDate() {
- Date currentTime = new Date();
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- String dateString = formatter.format(currentTime);
- ParsePosition pos = new ParsePosition(8);
- Date currentTime_2 = formatter.parse(dateString, pos);
- return currentTime_2;
- }
-
-
-
-
-
-
- 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 = VeDate.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 = VeDate.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 = VeDate.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 = VeDate.strToDate(sdate);
- Calendar c = Calendar.getInstance();
- c.setTime(date);
- int u = c.get(Calendar.DAY_OF_WEEK);
- String newday = VeDate.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 = "";
- roc.util.MyChar mc = new roc.util.MyChar();
- if (sdate == null || sdate.equals("") || !mc.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 {
-
- sdate = roc.util.RocDate.getOKDate(sdate);
- 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 (!VeStr.Isdate(sdate)) {
- sdate = getStringDateShort();
- }
-
- sdate = VeStr.Replace(sdate, "/", "-");
-
- 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();
- }
-
- }
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Java时间转换 Java时间转换是指在Java编程语言中将日期和时间从一种格式转换为另一种格式的过程。这种转换对于在不同的应用程序中使用日期和时间非常重要。 在Java中,日期和时间可以使用java.util.Date类和java....
Java时间格式转换是Java开发中常见的任务,涉及到日期和时间的处理。在Java中,主要通过`java.util.Date`、`java.util.Calendar`以及`java.text.SimpleDateFormat`等类来完成。下面将详细介绍这些类和方法在时间格式...
### Java将数字转换为时间格式的方法 在Java编程语言中,经常需要处理日期与时间相关的数据,例如将数字(通常是表示时间戳或特定格式的字符串)转换为更易读的时间格式。这种转换不仅可以帮助我们更好地理解和操作...
Java时区时间转换过程详解 Java时区时间转换是指将一个时区的时间转换成另一个时区的时间,这个过程需要了解时区的概念和计算方法。在本文中,我们将详细介绍时区的概念、UTC时间、格林尼治时间、夏令时、区时转换...
用于JAVA开发中string date calendar等时间类型的相互转换的代码
在Java编程语言中,时间处理是一项重要的任务,尤其是在处理用户输入、存储数据或者进行数据分析时。本篇文章将详细探讨如何将字符串(String)转换为时间戳(Timestamp),以及如何将时间戳转换回字符串,同时还会...
1.支持java.sql.Date 与 java.util.Date互转 2.支持java.util.Calendar,java.util.Date,java.sql.Date格式化输出 3.支持字符串转java.util.Date 支持字符串格式: yyyyMMdd yyyyMMddHH yyyyMMddHHmm ...
Java 时间格式大全 Java 中的时间格式是指使用 Java 语言来处理和操作日期和时间的方式。Java 提供了多种方式来处理时间格式,包括使用 `java.util.Date`、`java.util.Calendar`、`java.text.SimpleDateFormat` 等...
在Java编程语言中,时间转换是一项常见的任务,特别是在处理日期和时间数据时。这篇博文主要探讨了如何在Java中进行时间转换,以下是一些关键的知识点: 1. **日期和时间类**: Java提供了多种类来处理日期和时间...
它简化了从Smali到Java的转换过程,节省了开发者的时间和精力,提高了工作效率。 **Smali语言** Smali是Dalvik虚拟机(DVM)的汇编语言,Android系统使用DVM执行应用的字节码。当APK文件被反编译时,原始的Java...
java 开发中,各种时间类的转换,比如时间类型转换成String 类型,String类型转换成时间。
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我们将主要参考提供的两个Java源文件:`DateUtil.java`和`GTMDateUtil.java`,并结合一个名为`格林威治时间转换.rar`的压缩包资源。 首先,了解基本概念是至关重要的。格林威治标准时间(GMT)是国际时间标准,位于...
### Java时间操作大全 #### 概述 在Java编程语言中,处理日期与时间是非常常见的需求之一。无论是开发Web应用还是桌面应用,掌握时间相关的类及其用法都至关重要。本篇文章将涵盖Java中与时间操作有关的所有基本...