package DAO.Sys;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
public class DateFunc {/**
* AM/PM
*/
public static final String AM_PM = "a";
/**
* 涓�釜���绗��澶� */
public static final String DAY_IN_MONTH = "dd";
/**
* 涓�勾�����ぉ
*/
public static final String DAY_IN_YEAR = "DD";
/**
* 涓�������ぉ(Sunday,...)
*/
public static final String DAY_OF_WEEK = "EEEE";
/**
* 浠ュぉ涓哄�浣� */
public static final int DIFF_DAY = Calendar.DAY_OF_MONTH;
/**
* 浠ュ��朵负���
*/
public static final int DIFF_HOUR = Calendar.HOUR_OF_DAY;
/**
* 浠ユ�绉�负���
*/
public static final int DIFF_MILLSECOND = Calendar.MILLISECOND;
/**
* 浠ュ���负���
*/
public static final int DIFF_MINUTE = Calendar.MINUTE;
/**
* 浠ユ�浠戒负���锛���ф���0澶╄�绠� */
public static final int DIFF_MONTH = Calendar.MONTH;
/**
* 浠ョ�涓哄�浣� */
public static final int DIFF_SECOND = Calendar.SECOND;
/**
* 浠ユ���负���锛���ф����7澶╄�绠� */
public static final int DIFF_WEEK = Calendar.WEEK_OF_MONTH;
/**
* 浠ュ勾涓哄�浣�����姣�勾365澶╄�绠� */
public static final int DIFF_YEAR = Calendar.YEAR;
/**
* ��ぉ�����0-11)
*/
public static final String HOUR_IN_APM = "KK";
/**
* 涓�ぉ�����0-23)
*/
public static final String HOUR_IN_DAY = "HH";
/**
* ��ぉ�����1-12)
*/
public static final String HOUR_OF_APM = "hh";
/**
* 涓�ぉ�����1-24)
*/
public static final String HOUR_OF_DAY = "kk";
/**
* 骞����)
*/
public static final String LONG_YEAR = "yyyy";
/**
* 姣��
*/
public static final String MILL_SECOND = "SSS";
/**
* ���
*/
public static final String MINUTE = "mm";
/**
* �� */
public static final String MONTH = "MM";
/**
* 绉� */
public static final String SECOND = "ss";
/**
* 骞�浜��)
*/
public static final String SHORT_YEAR = "yy";
/**
* 涓�釜���绗���� */
public static final String WEEK_IN_MONTH = "W";
/**
* 涓�勾������
*/
public static final String WEEK_IN_YEAR = "ww";
private static Calendar localTime;
private static int x; // �ユ�灞��锛�勾
private static int y;
//璁剧疆�堕��跺�
static{
TimeZone.setDefault(TimeZone.getTimeZone("GMT+8"));
}
/**
* 妫������堕����宸茶�杩���堕��煎�涓���存��垮害
* <p>
* �ㄤ��ゅ�褰�����宸茬�瓒��
*
* @param destDate ����堕�锛����负褰���堕�
* @param sourceDate 婧���达�涓��涓轰�浠朵骇����� * @param type �堕�璁＄����锛�负�������剁�
* @param elapse ��画�堕��垮害
* @return ���瓒��
* @throws CodedException
*/
public static boolean compareElapsedTime(
Date destDate,
Date sourceDate,
int type,
int elapse)
throws RuntimeException {
if (destDate == null || sourceDate == null)
throw new RuntimeException("compared date invalid");
return destDate.getTime() > getRelativeDate(sourceDate, type, elapse).getTime();
}
/**
* �������村�绗�覆
* <p>
* �堕�瀛��涓叉�寮�负锛�勾(4浣�-��唤(2浣�-�ユ�(2浣� 灏��(2浣�:���(2浣�:绉�2浣�
*
* @return �堕�瀛��涓� */
public static String getCurrentDateString() {
return getCurrentDateString("yyyy-MM-dd HH:mm:ss");
}
/**
* ���锛���板����浠芥����煎�涓猴�xxxx-yy-zz (eg: 2007-12-01)
* @return String
* @author pure
*/
public static String getMonthStart(int year,int month) {
String strY = null;
x = year;
y = month;
strY = y >= 10 ? String.valueOf(y) : ("0" + y);return x + "-" + strY + "-01";
}
public static String getMonthEnd(int year,int month) {
String strY = null;
String strZ = null;
boolean leap = false;
x = year;
y = month;
if (y == 1 || y == 3 || y == 5 || y == 7 || y == 8 || y == 10 || y == 12) {
strZ = "31";
}
if (y == 4 || y == 6 || y == 9 || y == 11) {
strZ = "30";
}
if (y == 2) {
leap = leapYear(x);
if (leap) {
strZ = "29";
}else {
strZ = "28";
}
}
strY = y >= 10 ? String.valueOf(y) : ("0" + y);
return x + "-" + strY + "-" + strZ;
}
public static boolean leapYear(int year) {
boolean leap;
if (year % 4 == 0) {
if (year % 100 == 0) {
if (year % 400 == 0) leap = true;
else leap = false;
}
else leap = true;
}
else leap = false;
return leap;
}
/**
* ���寮��褰���堕�瀛��涓� *
* @param formatString �煎�瀛��涓� * @return
*/
public static String getCurrentDateString(String formatString) {
Date currentDate = new Date();
return getDateString(currentDate, formatString);
}
/**
* ���澶╁�涓�������ぉ
* @return
*/
public static int getCurrentDayOfWeek() {
return getDayOfWeek(new Date());
}
/**
*
* @Enclosing_Method: getCurrentDate
* @Written by: liuxmi
* @Creation Date: Jun 9, 2010 7:31:50 AM
* @version: v1.00
* @Description:�峰�褰���堕�
* @return
* @return Date
*
*/
public static Date getCurrentDate() {
return getDateFromString(getDateString(new Date(), "yyyy-MM-dd HH:mm:ss"), "yyyy-MM-dd HH:mm:ss");
}
/**
*
* @Enclosing_Method: getDate
* @Written by: liuxmi
* @Creation Date: Jun 9, 2010 7:32:11 AM
* @version: v1.00
* @Description: �ユ��煎��� * @param date
* @return
* @return Date
*
*/
public static Date getDate(Date date) {
return getDateFromString(getDateString(date, "yyyy-MM-dd"), "yyyy-MM-dd");
}
/**
* �规��堕�瀛��涓茬������ *
* @param dateString �堕�瀛��涓叉�寮� * @return �堕�
* @throws RuntimeException
*/
public static Date getDateFromString(String dateString)
throws RuntimeException {
return getDateFromString(dateString, "yyyy-MM-dd HH:mm:ss");
}
/**
* �规��堕�瀛��涓茬������ *
* @param dateString �堕�瀛��涓叉�寮� * @return �堕�
* @throws RuntimeException
*/
public static Date getDateFromStringNew(String dateString)
throws RuntimeException {
dateString=dateString.substring(0, 10);
return getDateFromString(dateString, "yyyy-MM-dd");
}
/**
* �规�瀛��涓茬������ *
* @param dateString �堕�瀛��涓� * @param pattern �堕�瀛��涓叉�寮��涔� * @return �堕�
* @throws RuntimeException
*/
public static Date getDateFromString(String dateString, String pattern)
throws RuntimeException {
SimpleDateFormat dateFormat = new SimpleDateFormat(pattern);
Date date = null;
try {
date = dateFormat.parse(dateString);
} catch (java.text.ParseException e) {
throw new RuntimeException(
"parse date string '"
+ dateString
+ "' with pattern '"
+ pattern
+ "' failed: "
+ e.getMessage());
}
return date;
}
/**
* ����村�绗�覆
*
* @param date �堕�
* @return �堕�瀛��涓� */
public static String getDateString(Date date) {
return getDateString(date, "yyyy-MM-dd HH:mm:ss");
}
/**
* ����村�绗�覆
*
* @param date �堕�
* @param formatString 杞���煎�
* @return �堕�瀛��涓� */
public static String getDateString(Date date, String formatString) {
return getDateString(date, formatString, Locale.PRC);
}
/**
* ����村�绗�覆
*
* @param date �堕�
* @param formatString 杞���煎�
* @param locale �板�
* @return �堕�瀛��涓� */
public static String getDateString(Date date, String formatString, Locale locale) {
if (date == null)
return null;
SimpleDateFormat dateFormat = new SimpleDateFormat(formatString);
return dateFormat.format(date);
}
/**
* ������涓�������ぉ
*
* @param date �ユ�
* @return
*/
public static int getDayOfWeek(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.DAY_OF_WEEK);
}
/**
* ������涓�������ぉ
*
* @param date �ユ�
* @return
*/
public static int getDayOfMonth(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.DAY_OF_MONTH);
}
/**
* ���涓�����澶уぉ�� *
* @param date �ユ�
* @return
*/
public static int getDaysOfMonth(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
}
/**
* �������ㄦ�浠界���ぇ澶╂�
*
* @param date �ユ�
* @return
*/
public static int getMaximumDay(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.getMaximum(Calendar.DAY_OF_MONTH);
}
/**
* �规�婧���村��堕�璁＄�����堕�
*
* @param date 婧���� * @param type �堕����
* @param relate �堕�
* @return ����堕�
*/
public static Date getRelativeDate(Date date, int type, int relate) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(type, relate);
return calendar.getTime();
}
/**
* �规�褰���堕�����胯�绠������� *
* @param type �堕����
* @param relate �堕�
* @return ����堕�
*/
public static Date getRelativeDate(int type, int relate) {
Date current = new Date();
return getRelativeDate(current, type, relate);
}
/**
* �规�褰���堕�����跨��������村�绗�覆
*
* @param type �堕����
* @param relate �堕�
* @param formatString �堕��煎�
* @return �堕�瀛��涓� */
public static String getRelativeDateString(
int type,
int relate,
String formatString) {
return getDateString(getRelativeDate(type, relate), formatString);
}
public static Date getStartDate(Date date) {
return getDateFromString(getDateString(date, "yyyyMMdd") + "00:00:00", "yyyyMMddHH:mm:ss");
}
public static Date getEndDate(Date date) {
return getDateFromString(getDateString(date, "yyyyMMdd") + "23:59:59", "yyyyMMddHH:mm:ss");
}
/**
* ����存�瀛��涓� *
* @param date �堕�
* @return �堕��冲�绗�覆
*/
public static String getTimestampString(Date date) {
return getDateString(date, "yyyyMMddHHmmssSSS");
}
/**
* ���澶╂����
*
* @return �ユ�����板�
*/
public static int getToday() {
return Integer.parseInt(getCurrentDateString("dd"));
}
public static long getTimeDiff(Date fromDate, Date toDate, int type) {
fromDate = (fromDate == null) ? new Date() : fromDate;
toDate = (toDate == null) ? new Date() : toDate;
long diff = toDate.getTime() - fromDate.getTime();
switch(type) {
case DIFF_MILLSECOND:
break;
case DIFF_SECOND:
diff /= 1000;
break;
case DIFF_MINUTE:
diff /= 1000 * 60;
break;
case DIFF_HOUR:
diff /= 1000 * 60 * 60;
break;
case DIFF_DAY:
diff /= 1000 * 60 * 60 * 24;
break;
case DIFF_MONTH:
diff /= 1000 * 60 * 60 * 24 * 30;
break;
case DIFF_YEAR:
diff /= 1000 * 60 * 60 * 24 * 365;
break;
default:
diff = 0;
break;
}
return diff;
}
/**
* 姣���堕��虫������ *
* @param arg0 �堕�
* @param arg1 �堕�
* @return ����稿�
*/
public static boolean isTimestampEqual(Date arg0, Date arg1) {
return getTimestampString(arg0).compareTo(getTimestampString(arg1)) == 0;
}
/**
*
* @Enclosing_Method: nDaysAfterNowDate
* @Written by: liuxmi
* @Creation Date: May 25, 2010 6:11:01 AM
* @version: v1.00
* @Description: 褰���ユ����n澶╁������ * @param n
* @return
* @return Date
*
*/
public static Date nDaysAfterNowDate(int n) {
Calendar rightNow = Calendar.getInstance();
rightNow.add(Calendar.DAY_OF_MONTH,+n);
return rightNow.getTime();
}
/**
*
* @Enclosing_Method: nDaysAfterOneDateString
* @Written by: liuxmi
* @Creation Date: May 25, 2010 6:12:37 AM
* @version: v1.00
* @Description: 缁��涓�釜�ユ����绗�覆锛�������澶╁�������瀛��涓�
* @param basicDate
* @param n
* @return
* @return String
*
*/
public static String nDaysAfterOneDateString(String basicDate,int n) {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
Date tmpDate = null;
try {
tmpDate = df.parse(basicDate);
}
catch(Exception e){
System.out.println("dateformat:"+e.getMessage());
}
long nDay=(tmpDate.getTime()/(24*60*60*1000)+1+n)*(24*60*60*1000);
tmpDate.setTime(nDay);
return df.format(tmpDate);
}
/**
*
* @Enclosing_Method: nDaysAfterOneDate
* @Written by: liuxmi
* @Creation Date: May 25, 2010 6:13:45 AM
* @version: v1.00
* @Description: 缁��涓�釜�ユ�锛�������澶╁������
* @param basicDate
* @param n
* @return
* @return Date
*
*/
public static Date nDaysAfterOneDate(Date basicDate,int n) {
long nDay=(basicDate.getTime()/(24*60*60*1000)+n)*(24*60*60*1000);
basicDate.setTime(nDay);
return basicDate;
}
/**
*
* @Enclosing_Method: nDaysBetweenTwoDate
* @Written by: liuxmi
* @Creation Date: May 25, 2010 6:14:10 AM
* @version: v1.00
* @Description: 璁＄�涓や釜�ユ��搁���ぉ�� * @param firstDate
* @param secondDate
* @return
* @return int
*
*/
public static int nDaysBetweenTwoDate(Date firstDate,Date secondDate) {
int nDay=(int)((secondDate.getTime()-firstDate.getTime())/(24*60*60*1000));
return nDay;
}
/**
*
* @Enclosing_Method: nYearsBetweenTwoDate
* @Written by: liuxmi
* @Creation Date: May 25, 2010 6:56:55 AM
* @version: v1.00
* @Description: 璁＄�涓や釜�ユ��搁���勾�� * @param firstDate
* @param secondDate
* @return
* @return int
*
*/
public static int nYearsBetweenTwoDate(Date firstDate,Date secondDate) {
int nYear=nDaysBetweenTwoDate(firstDate, secondDate)/365+1;
return nYear;
}
/**
*
* @Enclosing_Method: nDaysBetweenTwoDate
* @Written by: liuxmi
* @Creation Date: May 25, 2010 6:32:15 AM
* @version: v1.00
* @Description: 璁＄�涓や釜�ユ��搁���ぉ�� * @param firstString
* @param secondString
* @return
* @return int
*
*/
public static int nDaysBetweenTwoDate(String firstString,String secondString) {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
Date firstDate=null;
Date secondDate=null;
try {
firstDate = df.parse(firstString);
secondDate=df.parse(secondString);
}
catch(Exception e) {
System.out.println("dateformat:"+e.getMessage());
}
int nDay=(int)((secondDate.getTime()-firstDate.getTime())/(24*60*60*1000));
return nDay;
}
/**
*
* @Enclosing_Method: getSundayOneDate
* @Written by: liuxmi
* @Creation Date: May 28, 2010 1:36:06 AM
* @version: v1.00
* @Description: �峰�缁���ユ����������涓�ぉ
* @param date
* @return void
*
*/
public static Date getFirstOfWeekOneDate(Date date){
int day = DateFunc.getDayOfWeek(date);
Date sunDay = DateFunc.getRelativeDate(date, DateFunc.DIFF_DAY,-(day-1) );
return getDate(sunDay);
}
/**
*
* @Enclosing_Method: getWeeksOfYear
* @Written by: liuxmi
* @Creation Date: May 28, 2010 4:02:48 AM
* @version: v1.00
* @Description: 杩��缁���ユ��ㄦ�涓�勾涓��绗���� * @param date
* @return
* @return int
*
*/
public static int getWeeksOfYear(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.WEEK_OF_YEAR);
}
}
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