?
/**
?日期類
?* @date?? 2003-12-04
?* @version 1.0
?*/
import java.util.*;
import java.text.*;
import java.util.Calendar;
public class VeDate {
?/**
? * 獲取現(xiàn)在時(shí)間
? *
? * @return 返回時(shí)間類型 yyyy-MM-dd HH:mm:ss
? */
?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;
?}
?/**
? * 獲取現(xiàn)在時(shí)間
? *
? * @return返回短時(shí)間格式 yyyy-MM-dd
? */
?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;
?}
?/**
? * 獲取現(xiàn)在時(shí)間
? *
? * @return返回字符串格式 yyyy-MM-dd HH:mm:ss
? */
?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;
?}
?/**
? * 獲取現(xiàn)在時(shí)間
? *
? * @return 返回短時(shí)間字符串格式y(tǒng)yyy-MM-dd
? */
?public static String getStringDateShort() {
??Date currentTime = new Date();
??SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
??String dateString = formatter.format(currentTime);
??return dateString;
?}
?/**
? * 獲取時(shí)間 小時(shí):分;秒 HH:mm:ss
? *
? * @return
? */
?public static String getTimeShort() {
??SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
??Date currentTime = new Date();
??String dateString = formatter.format(currentTime);
??return dateString;
?}
?/**
? * 將長時(shí)間格式字符串轉(zhuǎn)換為時(shí)間 yyyy-MM-dd HH:mm:ss
? *
? * @param strDate
? * @return
? */
?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;
?}
?/**
? * 將長時(shí)間格式時(shí)間轉(zhuǎn)換為字符串 yyyy-MM-dd HH:mm:ss
? *
? * @param dateDate
? * @return
? */
?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;
?}
?/**
? * 將短時(shí)間格式時(shí)間轉(zhuǎn)換為字符串 yyyy-MM-dd
? *
? * @param dateDate
? * @param k
? * @return
? */
?public static String dateToStr(java.util.Date dateDate) {
??SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
??String dateString = formatter.format(dateDate);
??return dateString;
?}
?/**
? * 將短時(shí)間格式字符串轉(zhuǎn)換為時(shí)間 yyyy-MM-dd
? *
? * @param strDate
? * @return
? */
?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;
?}
?/**
? * 得到現(xiàn)在時(shí)間
? *
? * @return
? */
?public static Date getNow() {
??Date currentTime = new Date();
??return currentTime;
?}
?/**
? * 提取一個(gè)月中的最后一天
? *
? * @param day
? * @return
? */
?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;
?}
?/**
? * 得到現(xiàn)在時(shí)間
? *
? * @return 字符串 yyyyMMdd HHmmss
? */
?public static String getStringToday() {
??Date currentTime = new Date();
??SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HHmmss");
??String dateString = formatter.format(currentTime);
??return dateString;
?}
?/**
? * 得到現(xiàn)在小時(shí)
? */
?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;
?}
?/**
? * 得到現(xiàn)在分鐘
? *
? * @return
? */
?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;
?}
?/**
? * 根據(jù)用戶傳入的時(shí)間表示格式，返回當(dāng)前時(shí)間的格式 如果是yyyyMMdd，注意字母y不能大寫。
? *
? * @param sformat
? *??????????? yyyyMMddhhmmss
? * @return
? */
?public static String getUserDate(String sformat) {
??Date currentTime = new Date();
??SimpleDateFormat formatter = new SimpleDateFormat(sformat);
??String dateString = formatter.format(currentTime);
??return dateString;
?}
?/**
? * 二個(gè)小時(shí)時(shí)間間的差值,必須保證二個(gè)時(shí)間都是"HH:MM"的格式，返回字符型的分鐘
? */
?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";
??}
?}
?/**
? * 得到二個(gè)日期間的間隔天數(shù)
? */
?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 + "";
?}
?/**
? * 時(shí)間前推或后推分鐘,其中JJ表示分鐘.
? */
?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;
?}
?/**
? * 得到一個(gè)時(shí)間延后或前移幾天的時(shí)間,nowdate為時(shí)間,delay為前移或后延的天數(shù)
? */
?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 "";
??}
?}
?/**
? * 判斷是否潤年
? *
? * @param ddate
? * @return
? */
?public static boolean isLeapYear(String ddate) {
??/**
?? * 詳細(xì)設(shè)計(jì)： 1.被400整除是閏年，否則： 2.不能被4整除則不是閏年 3.能被4整除同時(shí)不能被100整除則是閏年
?? * 3.能被4整除同時(shí)能被100整除則不是閏年
?? */
??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;
?}
?/**
? * 返回美國時(shí)間格式 26 Apr 2006
? *
? * @param str
? * @return
? */
?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);
?}
?/**
? * 獲取一個(gè)月的最后一天
? *
? * @param dat
? * @return
? */
?public static String getEndDateOfMonth(String dat) {// yyyy-MM-dd
??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;
?}
?/**
? * 判斷二個(gè)時(shí)間是否在同一個(gè)周
? *
? * @param date1
? * @param date2
? * @return
? */
?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)) {
???// 如果12月的最后一周橫跨來年第一周的話則最后一周即算做來年的第一周
???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;
?}
?/**
? * 產(chǎn)生周序列,即得到當(dāng)前時(shí)間所在的年度是第幾周
? *
? * @return
? */
?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;
?}
?/**
? * 獲得一個(gè)日期所在的周的星期幾的日期，如要找出2002年2月3日所在周的星期一是幾號(hào)
? *
? * @param sdate
? * @param num
? * @return
? */
?public static String getWeek(String sdate, String num) {
??// 再轉(zhuǎn)換為時(shí)間
??Date dd = VeDate.strToDate(sdate);
??Calendar c = Calendar.getInstance();
??c.setTime(dd);
??if (num.equals("1")) // 返回星期一所在的日期
???c.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
??else if (num.equals("2")) // 返回星期二所在的日期
???c.set(Calendar.DAY_OF_WEEK, Calendar.TUESDAY);
??else if (num.equals("3")) // 返回星期三所在的日期
???c.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);
??else if (num.equals("4")) // 返回星期四所在的日期
???c.set(Calendar.DAY_OF_WEEK, Calendar.THURSDAY);
??else if (num.equals("5")) // 返回星期五所在的日期
???c.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY);
??else if (num.equals("6")) // 返回星期六所在的日期
???c.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);
??else if (num.equals("0")) // 返回星期日所在的日期
???c.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
??return new SimpleDateFormat("yyyy-MM-dd").format(c.getTime());
?}
?/**
? * 根據(jù)一個(gè)日期，返回是星期幾的字符串
? *
? * @param sdate
? * @return
? */
?public static String getWeek(String sdate) {
??// 再轉(zhuǎn)換為時(shí)間
??Date date = VeDate.strToDate(sdate);
??Calendar c = Calendar.getInstance();
??c.setTime(date);
??// int hour=c.get(Calendar.DAY_OF_WEEK);
??// hour中存的就是星期幾了，其范圍 1~7
??// 1=星期日 7=星期六，其他類推
??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;
?}
?/**
? * 兩個(gè)時(shí)間之間的天數(shù)
? *
? * @param date1
? * @param date2
? * @return
? */
?public static long getDays(String date1, String date2) {
??if (date1 == null || date1.equals(""))
???return 0;
??if (date2 == null || date2.equals(""))
???return 0;
??// 轉(zhuǎn)換為標(biāo)準(zhǔn)時(shí)間
??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;
?}
?/**
? * 形成如下的日歷 ， 根據(jù)傳入的一個(gè)時(shí)間返回一個(gè)結(jié)構(gòu) 星期日 星期一 星期二 星期三 星期四 星期五 星期六 下面是當(dāng)月的各個(gè)時(shí)間
? * 此函數(shù)返回該日歷第一行星期日所在的日期
? *
? * @param sdate
? * @return
? */
?public static String getNowMonth(String sdate) {
??// 取該時(shí)間所在月的一號(hào)
??sdate = sdate.substring(0, 8) + "01";
??// 得到這個(gè)月的1號(hào)是星期幾
??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;
?}
?/**
? * 取得數(shù)據(jù)庫主鍵 生成格式為yyyymmddhhmmss+k位隨機(jī)數(shù)
? *
? * @param k
? *??????????? 表示是取幾位隨機(jī)數(shù)，可以自己定
? */
?public static String getNo(int k) {
??return getUserDate("yyyyMMddhhmmss") + getRandom(k);
?}
?/**
? * 返回一個(gè)隨機(jī)數(shù)
? *
? * @param i
? * @return
? */
?public static String getRandom(int i) {
??Random jjj = new Random();
??// int suiJiShu = jjj.nextInt(9);
??if (i == 0)
???return "";
??String jj = "";
??for (int k = 0; k < i; k++) {
???jj = jj + jjj.nextInt(9);
??}
??return jj;
?}
?/**
? *
? * @param args
? */
?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;
?}
?/***************************************************************************
? * //nd=1表示返回的值中包含年度 //yf=1表示返回的值中包含月份 //rq=1表示返回的值中包含日期 //format表示返回的格式 1
? * 以年月日中文返回 2 以橫線-返回 // 3 以斜線/返回 4 以縮寫不帶其它符號(hào)形式返回 // 5 以點(diǎn)號(hào).返回
? **************************************************************************/
?
?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();
??}
??// 將“/”轉(zhuǎn)換為“-”
??sdate = VeStr.Replace(sdate, "/", "-");
??// 如果只有8位長度，則要進(jìn)行轉(zhuǎn)換
??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 {
???// System.out.print(Integer.valueOf(getTwoDay("2006-11-03 12:22:10",
???// "2006-11-02 11:22:09")));
??} catch (Exception e) {
???throw new Exception();
??}
??// System.out.println("sss");
?}
}