package com.td.util;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.List;
import java.util.Locale;
import java.util.Random;
import org.apache.log4j.chainsaw.Main;
/**
* 超詳細的時間工具類
* @author Administrator
*
*/
public class TimeUtil {
//============================借助Calendar類獲取今天、昨天、本周、上周、本年及特定時間的開始時間和結束時間(返回類型為date類型)========================
/**
* 獲取當天開始時間
* @return
*/
public static Date getDayBegin(){
Calendar cal=Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 0);//0點
cal.set(Calendar.MINUTE, 0);//0分
cal.set(Calendar.SECOND, 0);//0秒
cal.set(Calendar.MILLISECOND, 0);//0毫秒
return cal.getTime();
}
/**
* 獲取當天結束時間
* @return
*/
public static Date getDayEnd(){
Calendar cal=Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 23);//23點
cal.set(Calendar.MINUTE, 59);//59分
cal.set(Calendar.SECOND, 59);//59秒
return cal.getTime();
}
/**
* 獲取昨天開始時間
* @return
*/
public static Date getBeginDayOfYesterday(){
Calendar cal=Calendar.getInstance();
cal.setTime(getDayBegin());//當天開始時間
cal.add(Calendar.DAY_OF_MONTH, -1);//當天月份天數減1
return cal.getTime();
}
/**
* 獲取昨天結束時間
* @return
*/
public static Date getEndDayOfYesterday(){
Calendar cal=Calendar.getInstance();
cal.setTime(getDayEnd());//當天結束時間
cal.add(Calendar.DAY_OF_MONTH, -1);//當天月份天數減1
return cal.getTime();
}
/**
* 獲取明天開始時間
* @return
*/
public static Date getBeginDayOfTomorrow(){
Calendar cal=Calendar.getInstance();
cal.setTime(getDayBegin());//當天開始時間
cal.add(Calendar.DAY_OF_MONTH, 1);//當天月份天數加1
return cal.getTime();
}
/**
* 獲取明天結束時間
* @return
*/
public static Date getEndDayOfTomorrow(){
Calendar cal=Calendar.getInstance();
cal.setTime(getDayEnd());//當天結束時間
cal.add(Calendar.DAY_OF_MONTH, 1);//當天月份天數加1
return cal.getTime();
}
/**
* 獲取某個日期的開始時間
* @param d
* @return
*/
public static Timestamp getDayStartTime(Date d) {
Calendar calendar=Calendar.getInstance();
if(null!=d){
calendar.setTime(d);
}
calendar.set(calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH),
calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
calendar.set(Calendar.MILLISECOND, 0);
return new Timestamp(calendar.getTimeInMillis());
}
/**
* 獲取某個日期的結束時間
* @param d
* @return
*/
public static Timestamp getDayEndTime(Date d) {
Calendar calendar=Calendar.getInstance();
if(null!=d){
calendar.setTime(d);
}
calendar.set(calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH),
calendar.get(Calendar.DAY_OF_MONTH), 23, 59, 59);
calendar.set(Calendar.MILLISECOND, 999);
return new Timestamp(calendar.getTimeInMillis());
}
/**
* 獲取本周的開始時間
* @return
*/
@SuppressWarnings("unused")
public static Date getBeginDayOfWeek(){
Date date=new Date();
if(date==null){
return null;
}
Calendar cal=Calendar.getInstance();
cal.setTime(date);
int dayOfWeek=cal.get(Calendar.DAY_OF_WEEK);
if(dayOfWeek==1){
dayOfWeek+=7;
}
cal.add(Calendar.DATE, 2-dayOfWeek);
return getDayStartTime(cal.getTime());
}
/**
* 獲取本周的結束時間
* @return
*/
public static Date getEndDayOfWeek(){
Calendar cal=Calendar.getInstance();
cal.setTime(getBeginDayOfWeek());
cal.add(Calendar.DAY_OF_WEEK, 6);
Date weekEndSta = cal.getTime();
return getDayEndTime(weekEndSta);
}
/**
* 獲取上周開始時間
*/
@SuppressWarnings("unused")
public static Date getBeginDayOfLastWeek() {
Date date=new Date();
if (date==null) {
return null;
}
Calendar cal=Calendar.getInstance();
cal.setTime(date);
int dayofweek=cal.get(Calendar.DAY_OF_WEEK);
if (dayofweek==1) {
dayofweek+=7;
}
cal.add(Calendar.DATE, 2-dayofweek-7);
return getDayStartTime(cal.getTime());
}
/**
* 獲取上周的結束時間
* @return
*/
public static Date getEndDayOfLastWeek(){
Calendar cal=Calendar.getInstance();
cal.setTime(getBeginDayOfLastWeek());
cal.add(Calendar.DAY_OF_WEEK, 6);
Date weekEndSta = cal.getTime();
return getDayEndTime(weekEndSta);
}
/**
* 獲取今年是哪一年
* @return
*/
public static Integer getNowYear(){
Date date = new Date();
GregorianCalendar gc=(GregorianCalendar)Calendar.getInstance();
gc.setTime(date);
return Integer.valueOf(gc.get(1));
}
/**
* 獲取本月是哪一月
* @return
*/
public static int getNowMonth() {
Date date = new Date();
GregorianCalendar gc=(GregorianCalendar)Calendar.getInstance();
gc.setTime(date);
return gc.get(2) + 1;
}
/**
* 獲取本月的開始時間
* @return
*/
public static Date getBeginDayOfMonth() {
Calendar calendar=Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth()-1, 1);
return getDayStartTime(calendar.getTime());
}
/**
* 獲取本月的結束時間
* @return
*/
public static Date getEndDayOfMonth() {
Calendar calendar=Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth()-1, 1);
int day = calendar.getActualMaximum(5);
calendar.set(getNowYear(), getNowMonth()-1, day);
return getDayEndTime(calendar.getTime());
}
/**
* 獲取上月的開始時間
* @return
*/
public static Date getBeginDayOfLastMonth() {
Calendar calendar=Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth()-2, 1);
return getDayStartTime(calendar.getTime());
}
/**
* 獲取上月的結束時間
* @return
*/
public static Date getEndDayOfLastMonth() {
Calendar calendar=Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth()-2, 1);
int day = calendar.getActualMaximum(5);
calendar.set(getNowYear(), getNowMonth()-2, day);
return getDayEndTime(calendar.getTime());
}
/**
* 獲取本年的開始時間
* @return
*/
public static java.util.Date getBeginDayOfYear() {
Calendar cal=Calendar.getInstance();
cal.set(Calendar.YEAR, getNowYear());
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DATE, 1);
return getDayStartTime(cal.getTime());
}
/**
* 獲取本年的結束時間
* @return
*/
public static java.util.Date getEndDayOfYear() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, getNowYear());
cal.set(Calendar.MONTH, Calendar.DECEMBER);
cal.set(Calendar.DATE, 31);
return getDayEndTime(cal.getTime());
}
/**
* 兩個日期相減得到的天數
* @param beginDate
* @param endDate
* @return
*/
public static int getDiffDays(Date beginDate, Date endDate) {
if(beginDate==null||endDate==null) {
throw new IllegalArgumentException("getDiffDays param is null!");
}
long diff=(endDate.getTime()-beginDate.getTime())/(1000*60*60*24);
int days = new Long(diff).intValue();
return days;
}
/**
* 兩個日期相減得到的毫秒數
* @param beginDate
* @param endDate
* @return
*/
public static long dateDiff(Date beginDate, Date endDate) {
long date1ms=beginDate.getTime();
long date2ms=endDate.getTime();
return date2ms-date1ms;
}
/**
* 獲取兩個日期中的最大日起
* @param beginDate
* @param endDate
* @return
*/
public static Date max(Date beginDate, Date endDate) {
if(beginDate==null) {
return endDate;
}
if(endDate==null) {
return beginDate;
}
if(beginDate.after(endDate)) {//beginDate日期大於endDate
return beginDate;
}
return endDate;
}
/**
* 獲取兩個日期中的最小日期
* @param beginDate
* @param endDate
* @return
*/
public static Date min(Date beginDate, Date endDate) {
if(beginDate==null) {
return endDate;
}
if(endDate==null) {
return beginDate;
}
if(beginDate.after(endDate)) {
return endDate;
}
return beginDate;
}
/**
* 獲取某月該季度的第一個月
* @param date
* @return
*/
public static Date getFirstSeasonDate(Date date) {
final int[] SEASON={ 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4 };
Calendar cal=Calendar.getInstance();
cal.setTime(date);
int sean = SEASON[cal.get(Calendar.MONTH)];
cal.set(Calendar.MONTH, sean*3-3);
return cal.getTime();
}
/**
* 返回某個日期下幾天的日期
* @param date
* @param i
* @return
*/
public static Date getNextDay(Date date, int i) {
Calendar cal=new GregorianCalendar();
cal.setTime(date);
cal.set(Calendar.DATE,cal.get(Calendar.DATE)+i);
return cal.getTime();
}
/**
* 返回某個日期前幾天的日期
* @param date
* @param i
* @return
*/
public static Date getFrontDay(Date date, int i) {
Calendar cal=new GregorianCalendar();
cal.setTime(date);
cal.set(Calendar.DATE, cal.get(Calendar.DATE)-i);
return cal.getTime();
}
/**
* 獲取某年某月按天切片日期集合(某個月間隔多少天的日期集合)
* @param beginYear
* @param beginMonth
* @param k
* @return
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public static List getTimeList(int beginYear, int beginMonth, int k) {
List list = new ArrayList();
Calendar begincal=new GregorianCalendar(beginYear,beginMonth, 1);
int max = begincal.getActualMaximum(Calendar.DATE);
for (int i = 1; i < max; i = i + k) {
list.add(begincal.getTime());
begincal.add(Calendar.DATE, k);
}
begincal = new GregorianCalendar(beginYear, beginMonth, max);
list.add(begincal.getTime());
return list;
}
/**
* 獲取某年某月到某年某月按天的切片日期集合(間隔天數的集合)
* @param beginYear
* @param beginMonth
* @param endYear
* @param endMonth
* @param k
* @return
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static List getTimeList(int beginYear,int beginMonth,int endYear,int endMonth, int k) {
List list = new ArrayList();
if (beginYear==endYear){
for(int j=beginMonth;j<=endMonth;j++){
list.add(getTimeList(beginYear,j,k));
}
}else{
{
for(int j=beginMonth;j<12;j++){
list.add(getTimeList(beginYear,j,k));
}
for(int i=beginYear+1;i<endYear;i++) {
for (int j=0; j<12; j++) {
list.add(getTimeList(i,j,k));
}
}
for (int j=0;j <= endMonth; j++) {
list.add(getTimeList(endYear, j, k));
}
}
}
return list;
}
//=================================時間格式轉換==========================
/**
* date類型進行格式化輸出(返回類型:String)
* @param date
* @return
*/
public static String dateFormat(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateString = formatter.format(date);
return dateString;
}
/**
* 將"2015-08-31 21:08:06"型字符串轉化為Date
* @param str
* @return
* @throws ParseException
*/
public static Date StringToDate(String str) throws ParseException{
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = (Date) formatter.parse(str);
return date;
}
/**
* 將CST時間類型字符串進行格式化輸出
* @param str
* @return
* @throws ParseException
*/
public static String CSTFormat(String str) throws ParseException{
SimpleDateFormat formatter = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", Locale.US);
Date date = (Date) formatter.parse(str);
return dateFormat(date);
}
/**
* 將long類型轉化為Date
* @param str
* @return
* @throws ParseException
*/
public static Date LongToDare(long str) throws ParseException{
return new Date(str * 1000);
}
//====================================其他常見日期操作方法======================
/**
* 判斷當前日期是否在[startDate, endDate]區間
*
* @param startDate 開始日期
* @param endDate 結束日期
* @author jqlin
* @return
*/
public static boolean isEffectiveDate(Date startDate, Date endDate){
if(startDate == null || endDate == null){
return false;
}
long currentTime = new Date().getTime();
if(currentTime >= startDate.getTime()
&& currentTime <= endDate.getTime()){
return true;
}
return false;
}
/**
* 得到二個日期間的間隔天數
* @param secondString:后一個日期
* @param firstString:前一個日期
* @return
*/
public static String getTwoDay(String secondString, String firstString) {
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
long day = 0;
try {
java.util.Date secondTime = myFormatter.parse(secondString);
java.util.Date firstTime = myFormatter.parse(firstString);
day = (secondTime.getTime() - firstTime.getTime()) / (24 * 60 * 60 * 1000);
} catch (Exception e) {
return "";
}
return day + "";
}
/**
* 時間前推或后推分鍾,其中JJ表示分鍾.
* @param StringTime:時間
* @param minute:分鍾(有正負之分)
* @return
*/
public static String getPreTime(String StringTime, String minute) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String mydate1 = "";
try {
Date date1 = format.parse(StringTime);
long Time = (date1.getTime() / 1000) + Integer.parseInt(minute) * 60;
date1.setTime(Time * 1000);
mydate1 = format.format(date1);
} catch (Exception e) {
return "";
}
return mydate1;
}
/**
* 將短時間格式字符串轉換為時間 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;
}
/**
* 得到一個時間延后或前移幾天的時間
* @param nowdate:時間
* @param delay:前移或后延的天數
* @return
*/
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 "";
}
}
/**
* 判斷是否閏年
* @param ddate
* @return
*/
public static boolean isLeapYear(String ddate) {
/**
* 詳細設計: 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
* @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);
}
/**
* 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;
}
/**
* 產生周序列,即得到當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 +"年第"+ week+"周";
}
/**
* 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:日期
* @param num:星期幾(星期天是一周的第一天)
* @return
*/
public static String getWeek(String sdate, String num) {
// 再轉換為時間
Date dd = 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) {
// 再轉換為時間
Date date = 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());
}
/**
* 根據一個日期,返回是星期幾的字符串
* @param sdate
* @return
*/
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;
}
/**
* 兩個時間之間的天數
* @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;
// 轉換為標准時間
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 , 根據傳入的一個時間返回一個結構 星期日 星期一 星期二 星期三 星期四 星期五 星期六 下面是當月的各個時間
* 此函數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, 8) + "01";
// 得到這個月的1號是星期幾
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;
}
/**
* 根據用戶傳入的時間表示格式,返回當前時間的格式 如果是yyyyMMdd,注意字母y不能大寫
* @param sformat
* @return
*/
public static String getUserDate(String sformat) {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat(sformat);
String dateString = formatter.format(currentTime);
return dateString;
}
/**
* 返回一個i位數的隨機數
* @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;
}
/**
* 取得數據庫主鍵 生成格式為yyyymmddhhmmss+k位隨機數
* @param k:表示是取幾位隨機數,可以自己定
* @return
*/
public static String getNo(int k) {
return getUserDate("yyyyMMddhhmmss") + getRandom(k);
}
public static void main(String[] args) {
System.out.println(getNo(8));
}
}