- package com.aptech.util;
-
-
- import java.text.ParseException;
- import java.text.ParsePosition;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- import java.util.Calendar;
- import java.util.GregorianCalendar;
- import java.util.Locale;
- import java.util.Random;
- public class DateFormats {
-
- public DateFormats() {
-
- }
-
-
-
-
-
-
-
- public static String DateToStringDate(java.util.Date dateDate) {
- SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- String dateString = formatter.format(dateDate);
- return dateString;
- }
-
-
-
-
-
-
- public static Date getCurrentDate() {
- Date currentDate = new Date();
- return currentDate;
- }
-
-
-
-
-
-
-
- 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 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 String getDefaultDay(){
- String str = "";
- SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
-
- Calendar lastDate = Calendar.getInstance();
- lastDate.set(Calendar.DATE,1);
- lastDate.add(Calendar.MONTH,1);
- lastDate.add(Calendar.DATE,-1);
-
- str=sdf.format(lastDate.getTime());
- return str;
- }
-
-
-
-
- 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 = DateFormats.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 = DateFormats.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 = DateFormats.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,<IMG src="/images/smiles/icon_cool.gif">+ "01";
-
-
- Date date = DateFormats.strToDate(sdate);
- Calendar c = Calendar.getInstance();
- c.setTime(date);
- int u = c.get(Calendar.DAY_OF_WEEK);
- String newday = DateFormats.getNextDay(sdate, (1 - u) + "");
- return newday;
- }
-
-
-
-
-
-
-
-
- public static String getNo(int k) {
-
- return getUserDate("yyyyMMddhhmmss") + getRandom(k);
- }
-
-
-
-
-
-
-
- public static String getRandom(int i) {
- Random random = new Random();
- if (i == 0)
- return "";
- String strRandom = "";
- for (int k = 0; k < i; k++) {
- strRandom = strRandom + random.nextInt(9);
- }
- return strRandom;
- }
-
-
-
-
-
- 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 getNextMonthDay(String sdate, int m) {
-
- 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 void main(String[] args) throws Exception {
-
- }
- }
package com.aptech.util;
import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.Random;
public class DateFormats {
public DateFormats() {
}
/**
* 將長時間格式時間轉(zhuǎn)換為字符串 yyyy-MM-dd HH:mm:ss
*
* @param dateDate
* @return 返回時間String類型 yyyy-MM-dd HH:mm:ss
*/
public static String DateToStringDate(java.util.Date dateDate) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString = formatter.format(dateDate);
return dateString;
}
/**
* 獲取現(xiàn)在時間
*
*/
public static Date getCurrentDate() {
Date currentDate = new Date();
return currentDate;
}
/**
* 獲取現(xiàn)在時間
*
* @return 返回時間類型 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)在時間
*
* @return返回短時間格式 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)在時間
*
* @return 返回短時間字符串格式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;
}
/**
* 獲取時間 小時: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;
}
/**
* 將長時間格式字符串轉(zhuǎn)換為時間 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;
}
/**
* 將短時間格式時間轉(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;
}
/**
* 將短時間格式字符串轉(zhuǎn)換為時間 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)在時間
*
* @return
*/
public static Date getNow() {
Date currentTime = new Date();
return currentTime;
}
/**
* 提取一個月中的最后一天
*
* @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;
}
// 計算當(dāng)月最后一天,返回字符串
public String getDefaultDay(){
String str = "";
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.set(Calendar.DATE,1);//設(shè)為當(dāng)前月的1號
lastDate.add(Calendar.MONTH,1);//加一個月,變?yōu)橄略碌?號
lastDate.add(Calendar.DATE,-1);//減去一天,變?yōu)楫?dāng)月最后一天
str=sdf.format(lastDate.getTime());
return str;
}
/**
* 得到現(xiàn)在小時
*/
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)用戶傳入的時間表示格式,返回當(dāng)前時間的格式 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;
}
/**
* 二個小時時間間的差值,必須保證二個時間都是"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;
}
/**
* 得到一個時間延后或前移幾天的時間,nowdate為時間,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: 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整除同時不能被100整除則是閏年
* 3.能被4整除同時能被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;
}
/**
* 判斷二個時間是否在同一個周
*
* @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
*
* @param sdate
* @param num
* @return
*/
public static String getWeek(String sdate, String num) {
// 再轉(zhuǎn)換為時間
Date dd = DateFormats.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)換為時間
Date date = DateFormats.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 = DateFormats.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;
}
/**
* 兩個時間之間的天數(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)傳入的一個時間返回一個結(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)月的各個時間
* 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) {
// 取該時間所在月的一號
sdate = sdate.substring(0,+ "01";
// 得到這個月的1號是星期幾
Date date = DateFormats.strToDate(sdate);
Calendar c = Calendar.getInstance();
c.setTime(date);
int u = c.get(Calendar.DAY_OF_WEEK);
String newday = DateFormats.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);
}
/**
* 返回一個隨機(jī)數(shù)
*
* @param i
* @return
*/
public static String getRandom(int i) {
Random random = new Random();
if (i == 0)
return "";
String strRandom = "";
for (int k = 0; k < i; k++) {
strRandom = strRandom + random.nextInt(9);
}
return strRandom;
}
/**
*
* @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;
}
public static String getNextMonthDay(String sdate, int m) {
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 void main(String[] args) throws Exception {
}
}
- package test;
-
- import java.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.util.Calendar;
- import java.util.Date;
-
- public class TestD
- {
- public static boolean isSameYearMonth(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);
- int subMonth=cal1.get(Calendar.MONTH)-cal2.get(Calendar.MONTH);
-
- if (0 == subYear&& 0==subMonth)
- return true;
- return false;
- }
-
- public static void main(String[] args) throws ParseException
- {
- TestD x=new TestD ();
- Date x1= new Date();
- Date x2= new Date();
- SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd");
- x1=d.parse("2007-12-1");
- x2=d.parse("2007-12-31");
- if( x.isSameYearMonth(x1, x2))
- {
- System.out.println(x1.toString()+"和"+x2.toGMTString()+"同年同月");
- }
- else
- {
- System.out.println(x1.toLocaleString()+"和"+x2.toLocaleString()+"不同年同月");
- }
-
- }
- }
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