java 日期工具类_日期处理java工具类（超全）

package com.yuncai.core.tools;

import java.text.DateFormat;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Calendar;

import java.util.Date;

import java.util.GregorianCalendar;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

public class DateTools {

public final static String[] week = { "", "周日", "周一", "周二", "周三", "周四", "周五", "周六" };

public final static String[] week2 = { "", "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };

public static java.text.SimpleDateFormat SDF_YYMMDD = new java.text.SimpleDateFormat("yyyy-MM-dd");

public static java.text.SimpleDateFormat SDF_YYYY_MM_DD_HH_MM_SS = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

public static Date StringToDate(String dateString, String format) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat(format);

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static String StringToDate_YYYY_MM_DD(Date date) {

String dates = "";

try {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

dates = sdf.format(date);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return dates;

}

public static String StringToDate_MM_DD(Date date) {

String dates = "";

try {

SimpleDateFormat sdf = new SimpleDateFormat("MM-dd");

dates = sdf.format(date);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return dates;

}

public static Date StringToDate(String dateString) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static Date StringtoDateHHMM(String dateString){

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm");

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static Date StringToDatetpy(String dateString) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd HH:mm:ss");

date = sdf.parse(dateString);

System.out.println(date);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static Date StringToDate_YYYY_MM_DD_HH_MM(String dateString) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static Date StringToDate_YYYYMMDDHHMM(String dateString) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static Date StringToDate_YY_MM_DD_HH_MM(String dateString) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat("yy-MM-dd HH:mm");

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static Date StringToDate_YYYY_MM_DD_HH_MM_SS(String dateString) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static Date stringToDate(String dateString, String format) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat(format);

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static String dateToString(Date date, String format) {

SimpleDateFormat sdf = new SimpleDateFormat(format);

return sdf.format(date);

}

public static Date StringToDateShort(String dateString) {

Date date;

try {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");

date = sdf.parse(dateString);

} catch (Exception e) {

date = null;

LogUtil.out(e);

}

return date;

}

public static String dateToString(Date date) {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

return sdf.format(date);

}

public static String getByTimeMillis(long timeMillis) {

Calendar c = Calendar.getInstance();

c.setTimeInMillis(timeMillis);

return dateToString(c.getTime());

}

public static long getTimeMillis(String dateTime) {

if (dateTime == null || dateTime.equals("")) {

return 0l;

}

Date date = DateTools.StringToDate(dateTime);

Calendar c = Calendar.getInstance();

c.setTime(date);

return c.getTimeInMillis();

}

public static String getNowDateYYYYMMDD() {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");

return sdf.format(date);

}

public static String getNowDate(String format) {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat(format);

return sdf.format(date);

}

public static String getNowDateYYMMDD() {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyMMdd");

return sdf.format(date);

}

public static String getNowDateYYYYMM(){

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMM");

return sdf.format(date);

}

public static String getNowDateYYYY_MM_DD() {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

return sdf.format(date);

}

public static String getNowDateYYYY_MM_DD_HH_MM() {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm");

return sdf.format(date);

}

public static String getNowDateYYYY_MM_DD_HH_MM_SS() {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

return sdf.format(date);

}

public static String getNowDateYYYYMMDDHHMMSS() {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");

return sdf.format(date);

}

public static String getNowDateYYYYMMDDHHMMSSSS() {

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmssSS");

return sdf.format(date);

}

public static Integer handleIntTime(Date date, String weekDayName) {

for (int i = 0; i <= 3; i++) {

Calendar cal = Calendar.getInstance();

cal.setTime(date);

cal.add(Calendar.DAY_OF_MONTH, -i);

int day = cal.get(Calendar.DAY_OF_WEEK);

String tempWeek = week[day];

if (tempWeek.equals(weekDayName))

return Integer.valueOf(dateToString(cal.getTime(), "yyyyMMdd"));

}

return null;

}

public static String getWeekStr2(Date date,String[] week) {

Calendar cal = Calendar.getInstance();

cal.setTime(date);

return week[cal.get(Calendar.DAY_OF_WEEK)];

}

public static String getWeekStr(Date date) {

Calendar cal = Calendar.getInstance();

cal.setTime(date);

return week[cal.get(Calendar.DAY_OF_WEEK)];

}

public static Date strToDateDafueYear(String dateStr,Date date) {

Date nowDate=new Date();

String nowYear=DateTools.dateToString(nowDate,"yyyy");

Date matchDate = DateTools.StringToDate(nowYear+"-"+dateStr, "yyyy-MM-dd HH:mm");

Calendar calendar = Calendar.getInstance();

calendar.setTime(matchDate);

Calendar now = Calendar.getInstance();

//有参考值使用参考值的年份

if(date!=null){

now.setTime(date);

calendar.set(Calendar.YEAR, now.get(Calendar.YEAR));

}else{

//排除1月份获取同年12月份时间&12月份获取同年1月份时间

if(calendar.getTimeInMillis()

calendar.set(Calendar.YEAR, now.get(Calendar.YEAR)+1);

}else if(calendar.getTimeInMillis()>now.getTimeInMillis()&&calendar.get(Calendar.MONTH)==11&&now.get(Calendar.MONTH)==0){

calendar.set(Calendar.YEAR, now.get(Calendar.YEAR)-1);

}

}

return calendar.getTime();

}

public static Date strToDateDafueYear(String dateStr) {

return strToDateDafueYear(dateStr,null);

}

public static Date getDateByOffsetDay(Date date, int offset) {

Calendar cal = Calendar.getInstance();

cal.setTime(date);

cal.add(Calendar.DAY_OF_YEAR, offset);

return cal.getTime();

}

public static boolean isDateBefore(String date2, Date date1) {

try {

DateFormat df = DateFormat.getDateTimeInstance();

return date1.before(df.parse(date2));

} catch (ParseException e) {

System.out.print(e.getMessage());

return false;

}

}

public static boolean isIndexDCDateBefore(Date date){

try {

Calendar c = Calendar.getInstance();

GregorianCalendar ca = new GregorianCalendar();

if(ca.get(GregorianCalendar.AM_PM) == 1)//判断上下午时间

c.set(Calendar.HOUR, -2);

else

c.set(Calendar.HOUR, +10);

c.set(Calendar.SECOND, 0);

c.set(Calendar.MINUTE, 0);

Date afterTime=c.getTime();//当天10时后

return afterTime.before(date);

} catch (Exception e) {

System.out.print(e.getMessage());

return false;

}

}

public static boolean isIndexDCDateAfter(Date date){

try {

Calendar c = Calendar.getInstance();

GregorianCalendar ca = new GregorianCalendar();

if(ca.get(GregorianCalendar.AM_PM) == 1)//判断上下午时间

c.set(Calendar.HOUR, +22);

else

c.set(Calendar.HOUR, +34);

c.set(Calendar.SECOND, 0);

c.set(Calendar.MINUTE, 0);

Date beforeTime=c.getTime();//明天10时前

return beforeTime.after(date);

} catch (Exception e) {

System.out.print(e.getMessage());

return false;

}

}

public static Date GetDCMatchEndTime(Date matchTime, int aheadMilli) {

if(matchTime == null) return null;

Calendar matchCal = Calendar.getInstance();

matchCal.setTime(matchTime);

Calendar stopPlayTicketCal = (Calendar) matchCal.clone();

stopPlayTicketCal.set(Calendar.HOUR_OF_DAY, 4);

stopPlayTicketCal.set(Calendar.MINUTE, 50);

stopPlayTicketCal.set(Calendar.SECOND, 0);

//欧洲杯延长销售时间 9点开始至次日凌晨6点

Date euroCupStart = DateTools.StringToDate("2012-06-08 9:00:00") ;

Date euroCupEnd = DateTools.StringToDate("2012-07-03 06:00:00");

if(matchTime.getTime()>euroCupStart.getTime()&&matchTime.getTime()

stopPlayTicketCal.set(Calendar.HOUR_OF_DAY, 5);

}

stopPlayTicketCal.add(Calendar.MILLISECOND, -aheadMilli);

Calendar startPlayTicketCal = (Calendar) matchCal.clone();

startPlayTicketCal.set(Calendar.HOUR_OF_DAY, 9);

startPlayTicketCal.set(Calendar.MINUTE, 0);

startPlayTicketCal.set(Calendar.SECOND, 0);

Calendar weStartPlayTicketCal = (Calendar) startPlayTicketCal.clone();

weStartPlayTicketCal.add(Calendar.MILLISECOND, +aheadMilli);

// if(matchCal.after(stopPlayTicketCal)&&(matchCal.before(startPlayTicketCal)||matchCal.equals(startPlayTicketCal))){

//

// //(4:50-aheadMilli)——(9:00) 都设置成为(4:50-aheadMilli)

// return stopPlayTicketCal.getTime();

// }else

// if(matchCal.after(startPlayTicketCal)&&matchCal.before(weStartPlayTicketCal)){

// //(9:00)——(9:00+aheadMilli) 都设置 (4:50-aheadMilli)+offset

// int offset=(int)

// (weStartPlayTicketCal.getTimeInMillis()-matchCal.getTimeInMillis());

// stopPlayTicketCal.add(Calendar.MILLISECOND, +offset);

// return stopPlayTicketCal.getTime();

if (matchCal.after(stopPlayTicketCal) && matchCal.before(weStartPlayTicketCal)) {

// (4:50-aheadMilli)——(9:00+aheadMilli) 都设置 (4:50-aheadMilli)

return stopPlayTicketCal.getTime();

} else {

matchCal.add(Calendar.MILLISECOND, -aheadMilli);

return matchCal.getTime();

}

}

public static String getMinutes (Date times){

long time = new Date().getTime() - times.getTime();//time 单位是 毫秒

String res = null;

//转化成天数

//先判断是不是小于 60 * 60 * 1000 也就是 小于1小时，那么显示 ： **分钟前

if(time < 60 * 60 * 1000){

res = (time / 1000 / 60 ) + "分钟前";

}

//如果大于等于1小时 小于等于一天，那么显示 ： **小时前

else if(time >= 60 * 60 * 1000 && time < 24 * 60 * 60 * 1000){

res = (time / 1000 / 60 / 60 ) + "小时前";

}

//如果大于等于1小时 小于等于一天，那么显示 ： **小时前

else if(time >= 24 * 60 * 60 * 1000){

res = (time / 1000 / 60 / 60 /24 ) + "天前";

}

//如果时间不明确或者发帖不足一分钟 ，则不显示

else{

res = "";

}

return res;

}

public static String getNMonthBeforeCurrentDay(int n) {

Calendar c = Calendar.getInstance();

c.add(Calendar.MONTH, -n);

return "" + c.get(Calendar.YEAR) + "-" + (c.get(Calendar.MONTH) + 1) + "-" + c.get(Calendar.DATE);

}

public static List getAllBeforeDateToAfterDateSpace(String string, String string2) {

List date = null;

try {

date = new ArrayList();

Date dateTemp = new SimpleDateFormat("yyyy-MM-dd").parse(string);

Date dateTemp2 = new SimpleDateFormat("yyyy-MM-dd").parse(string2);

Calendar calendarTemp = Calendar.getInstance();

calendarTemp.setTime(dateTemp);

while (calendarTemp.getTime().getTime()!= dateTemp2.getTime()) {

date.add(new SimpleDateFormat("yyyy-MM-dd").format(calendarTemp.getTime()));

calendarTemp.add(Calendar.DAY_OF_YEAR, 1);

}

date.add(string2);

} catch (ParseException e) {

e.printStackTrace();

}

return date;

}

public static String getYesterDay(){

Calendar cal = Calendar.getInstance();

cal.add(Calendar.DATE,-1);

return new SimpleDateFormat("yyyyMMdd").format(cal.getTime());

}

public static String getTwoDay(Date startDate, Date endDate) {

long day = 0;

try {

day = (endDate.getTime() - startDate.getTime()) / (24 * 60 * 60 * 1000);

} catch (Exception e) {

return "";

}

return day+"";

}

public static void main(String args[]) {

String dateStr1 = "2011-07-03 4:50:00";

String dateStr2 = "2012-07-03 5:15:00";

String dateStr3 = "2012-07-03 6:15:00";

String dateStr4 = "2012-07-03 7:15:00";

String dateStr5 = "2012-07-03 8:15:00";

//String dateStr6= "2012-06-09 9:00:00";

String dateStr6 = "2012-07-03 9:16:00";

String dateStr7 = "2012-07-03 10:15:00";

String format = "yyyy-MM-dd HH:mm:ss";

Date date = stringToDate(dateStr1, format);

Date handleDate = GetDCMatchEndTime(date, 1200000);

System.out.println(dateToString(handleDate));

date = stringToDate(dateStr2, format);

handleDate = GetDCMatchEndTime(date, 600000);

System.out.println(dateToString(handleDate));

date = stringToDate(dateStr3, format);

handleDate = GetDCMatchEndTime(date, 600000);

System.out.println(dateToString(handleDate));

date = stringToDate(dateStr4, format);

handleDate = GetDCMatchEndTime(date, 600000);

System.out.println(dateToString(handleDate));

date = stringToDate(dateStr5, format);

handleDate = GetDCMatchEndTime(date, 600000);

System.out.println(dateToString(handleDate));

date = stringToDate(dateStr6, format);

handleDate = GetDCMatchEndTime(date, 600000);

System.out.println(dateToString(handleDate));

date = stringToDate(dateStr7, format);

handleDate = GetDCMatchEndTime(date, 600000);

System.out.println(dateToString(handleDate));

//String dateText="12-30 02:30";

//System.out.println(DateTools.dateToString(strToDateDafueYear(dateText,new Date())));

}

public static boolean isBetween(Date startTime,Date endTime,Date checkTime){

Calendar cal1 = Calendar.getInstance();

Calendar cal2 = Calendar.getInstance();

Calendar cal3 = Calendar.getInstance();

cal1.setTime(checkTime);

cal2.setTime(startTime);

cal3.setTime(endTime);

if(cal2.before(cal1)&& cal3.after(cal1)){

return true;

}

return false;

}

//根据日期取得星期几

public static String getWeek(Date date){

String[] weeks = {"周日","周一","周二","周三","周四","周五","周六"};

Calendar cal = Calendar.getInstance();

cal.setTime(date);

int week_index = cal.get(Calendar.DAY_OF_WEEK) - 1;

if(week_index<0){

week_index = 0;

}

return weeks[week_index];

}

public static Date jiaOrJian(Date date,int num){

Calendar cal = Calendar.getInstance();

cal.add(Calendar.DATE,num);

return cal.getTime();

}

public static Date toDate(String source) {

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

Date date=null;

try {

date=sdf.parse(source);

} catch (ParseException e) {

e.printStackTrace();

}

return date;

}

}