- 浏览: 134497 次
- 性别:
- 来自: 北京
文章分类
最新评论
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;
/**
* 时间处理函数
*
* @20080509 15:50
*/
public class DateUtil {
private static final String DEFAULT_PATTERN = "yyyy-MM-dd HH:mm:ss";
public static final String TIME_YEAR = "yyyy";
public static final String TIME_MONEN = "MM";
public static final String TIME_DAY = "dd";
public static String getDate(String interval, Date starttime, String pattern) {
Calendar temp = Calendar.getInstance(TimeZone.getDefault());
temp.setTime(starttime);
temp.add(temp.MONTH, Integer.parseInt(interval));
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
return sdf.format(temp.getTime());
}
/**
* 将字符串类型转换为时间类型
*
* @return
*/
public static Date str2Date(String str) {
Date d = null;
SimpleDateFormat sdf = new SimpleDateFormat(DEFAULT_PATTERN);
try {
d = sdf.parse(str);
} catch (Exception e) {
e.printStackTrace();
}
return d;
}
public static Date str2Date(String str, String pattern) {
Date d = null;
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
try {
d = sdf.parse(str);
} catch (Exception e) {
e.printStackTrace();
}
return d;
}
/**
* 将时间格式化
*
* @return
*/
public static Date DatePattern(Date date) {
SimpleDateFormat sdf = new SimpleDateFormat(DEFAULT_PATTERN);
try {
String dd = sdf.format(date);
date = str2Date(dd);
} catch (Exception e) {
e.printStackTrace();
}
return date;
}
/**
* 将时间格式化
*/
public static Date DatePattern(Date date, String pattern) {
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
try {
String dd = sdf.format(date);
date = str2Date(dd, pattern);
} catch (Exception e) {
e.printStackTrace();
}
return date;
}
public static String date2Str(Date date) {
SimpleDateFormat sdf = new SimpleDateFormat(DEFAULT_PATTERN);
return sdf.format(date);
}
public static String date2Str(Date date, String format) {
SimpleDateFormat sdf = new SimpleDateFormat(format);
return sdf.format(date);
}
/**
* 获取昨天
*
* @param date
* @return
* @throws Exception
*/
public static Date getLastDate(Date date) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
calendar.setTime(date);
calendar.add(calendar.DATE, -1);
return str2Date(date2Str(calendar.getTime()));
}
/**
* 获取前几天
* @param date
* @return
*/
public static Date getBeforeDate(Date date,int dates) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
calendar.setTime(date);
calendar.add(calendar.DATE, -dates);
return str2Date(date2Str(calendar.getTime()));
}
/**
* 获取上周第一天(周一)
*
* @param date
* @return
* @throws Exception
*/
public static Date getLastWeekStart(Date date) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
calendar.setTime(date);
int i = calendar.get(calendar.DAY_OF_WEEK) - 1;
int startnum = 0;
if (i == 0) {
startnum = 7 + 6;
} else {
startnum = 7 + i - 1;
}
calendar.add(calendar.DATE, -startnum);
return str2Date(date2Str(calendar.getTime()));
}
/**
* 获取上周最后一天(周末)
*
* @param date
* @return
* @throws Exception
*/
public static Date getLastWeekEnd(Date date) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
calendar.setTime(date);
int i = calendar.get(calendar.DAY_OF_WEEK) - 1;
int endnum = 0;
if (i == 0) {
endnum = 7;
} else {
endnum = i;
}
calendar.add(calendar.DATE, -(endnum - 1));
return str2Date(date2Str(calendar.getTime()));
}
/**
* 根据年和月得到天数
* @param num 月
* @param year 年
* @return
*/
public static int getday(int num,int year){
if(num==1 || num==3 || num==5 || num==7 || num==8 || num==10 || num==12){
return 31;
}else if(num==2){
//判断是否为闰年
if(year%400==0 || (year%4==0 && year%100!=0)){
return 29;
}else{
return 28;
}
}else{
return 30;
}
}
/*
* 计算当前日期距离下个月还有多少天
*/
public static int getdaymis(Date time){
int year = Integer.parseInt(
new SimpleDateFormat(TIME_YEAR).format(time));//年
int mm = Integer.parseInt(
new SimpleDateFormat(TIME_MONEN).format(time));//月
int dd = Integer.parseInt(
new SimpleDateFormat(TIME_DAY).format(time));//日
//获取当前年月的总天数
int sdd = getday(mm,year);
return sdd-dd;
}
/**
* 日期转秒数
* @param dateString
* @return
*/
public static long getTime(String dateString) {
long time = 0;
try {
Date ret = null;
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
ret = sdf.parse(dateString);
time = ret.getTime()/1000;
} catch (Exception e) {
}
return time;
}
/**
* 精确计算时间差,精确到日
* @param fistill 起始日期
* @param nowtime 结束日期
* @param type type为1返回年月日(如:2年3个月零5天) 否则返回总的天数
* @return
*/
public static String patienage(Date fistill,Date nowtime,Integer type){
int fyear = Integer.parseInt(
new SimpleDateFormat(TIME_YEAR).format(fistill));//起始年
int fmm = Integer.parseInt(
new SimpleDateFormat(TIME_MONEN).format(fistill));//起始月
int fdd = Integer.parseInt(
new SimpleDateFormat(TIME_DAY).format(fistill));//起始日
int nyear = Integer.parseInt(
new SimpleDateFormat(TIME_YEAR).format(nowtime));//结束年
int nmm = Integer.parseInt(
new SimpleDateFormat(TIME_MONEN).format(nowtime));//结束月
int ndd = Integer.parseInt(
new SimpleDateFormat(TIME_DAY).format(nowtime));//结束日
int cyear = nyear - fyear;
int cmm = nmm - fmm;
int cdd = ndd - fdd;
int zyear = 0;
int zmm = 0;
int zdd = 0;
int countddd = 0; //年月日累计天数
if(cdd<0){
if(cmm<0){
zyear = cyear - 1;
zmm = (cmm + 12)-1;
int dd = getday(zmm,nyear-1);
zdd = dd + cdd;
countddd = zyear*365+zmm*30+zdd;
}else if(cmm==0){
zyear = cyear - 1;
zmm = 12-1;
int dd = getday(zmm,nyear-1);
zdd = dd + cdd;
countddd = zyear*365+zmm*30+zdd;
}else{
zyear = cyear;
zmm = cmm - 1;
int dd = getday(zmm,nyear);
zdd = dd + cdd;
countddd = zyear*365+zmm*30+zdd;
}
}else if(cdd==0){
if(cmm<0){
zyear = cyear - 1;
zmm = cmm + 12;
zdd = 0;
countddd = zyear*365+zmm*30;
}else if(cmm==0){
zyear = cyear;
zmm = 0;
zdd = 0;
countddd = zyear*365+zmm*30;
}else{
zyear = cyear;
zmm = cmm;
zdd = 0;
countddd = zyear*365+zmm*30;
}
}else{
if(cmm<0){
zyear = cyear - 1;
zmm = cmm + 12;
zdd = cdd;
countddd = zyear*365+zmm*30+zdd;
}else if(cmm==0){
zyear = cyear;
zmm = 0;
zdd = cdd;
countddd = zyear*365+zmm*30+zdd;
}else{
zyear = cyear;
zmm = cmm;
zdd = cdd;
countddd = zyear*365+zmm*30+zdd;
}
}
String ptime = null;
if(zdd!=0){
if(zmm!=0){
if(zyear!=0){
ptime = zyear+"年"+zmm+"个月"+"零"+zdd+"天";
}else{
ptime = zmm+"个月"+"零"+zdd+"天";
}
}else{
if(zyear!=0){
ptime = zyear+"年"+"零"+zdd+"天";
}else{
ptime = zdd+"天";
}
}
}else{
if(zmm!=0){
if(zyear!=0){
ptime = zyear+"年"+zmm+"个月";
}else{
ptime = zmm+"个月";
}
}else{
if(zyear!=0){
ptime = zyear+"年";
}else{
ptime = null;
}
}
}
if(type==1){
return ptime; //返回年月日(如:2年3个月零5天)
}else{
return String.valueOf(countddd); //返回总天数
}
}
/**
* 得到月数
* @param year 年数差
* @param month 月数差
* @return
*/
public static int getCmm(Integer year,Integer month){
int zmm = 0;
if(month < 0){
zmm = (month + 12)+(year-1)*12;
}else if(month == 0){
zmm = year*12;
}else{
zmm = year*12+month;
}
return zmm;
}
/**
* 改更现在时间
*/
public static Date changeDate(String type, int value) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
if (type.equals("month")) {
calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + value);
} else if (type.equals("date")) {
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) + value);
}
return calendar.getTime();
}
/**
* 更改时间
*/
public static Date changeDate(Date date, String type, int value) {
if (date != null) {
// Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
Calendar calendar = new GregorianCalendar();
calendar.setTime(date);
// Calendar calendar = Calendar.
if (type.equals("month")) {
calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + value);
} else if (type.equals("date")) {
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) + value);
} else if (type.endsWith("year")) {
calendar.set(Calendar.YEAR, calendar.get(Calendar.YEAR) + value);
}
return calendar.getTime();
}
return null;
}
/**
* haoxw 比较时间是否在这两个时间点之间
*
* @param time1
* @param time2
* @return
*/
public static boolean checkTime(String time1, String time2) {
Calendar calendar = Calendar.getInstance();
Date date1 = calendar.getTime();
Date date11 = DateUtil.str2Date(DateUtil.date2Str(date1, "yyyy-MM-dd") + " " + time1);// 起始时间
Calendar c = Calendar.getInstance();
c.add(Calendar.DATE, 1);
Date date2 = c.getTime();
Date date22 = DateUtil.str2Date(DateUtil.date2Str(date2, "yyyy-MM-dd") + " " + time2);// 终止时间
Calendar scalendar = Calendar.getInstance();
scalendar.setTime(date11);// 起始时间
Calendar ecalendar = Calendar.getInstance();
ecalendar.setTime(date22);// 终止时间
Calendar calendarnow = Calendar.getInstance();
if (calendarnow.after(scalendar) && calendarnow.before(ecalendar)) {
return true;
} else {
return false;
}
}
/**
* haoxw 比较时间是否在这两个时间点之间
*
* @param date11
* @param date22
* @return
*/
public static boolean checkTime(Date date11, Date date22) {
Calendar scalendar = Calendar.getInstance();
scalendar.setTime(date11);// 起始时间
Calendar ecalendar = Calendar.getInstance();
ecalendar.setTime(date22);// 终止时间
Calendar calendarnow = Calendar.getInstance();
if (calendarnow.after(scalendar) && calendarnow.before(ecalendar)) {
return true;
} else {
return false;
}
}
public static boolean checkDate(String date1, String date2) {
Date date11 = DateUtil.str2Date(date1, "yyyy-MM-dd HH:mm:ss");// 起始时间
Date date22 = DateUtil.str2Date(date2, "yyyy-MM-dd HH:mm:ss");// 终止时间
Calendar scalendar = Calendar.getInstance();
scalendar.setTime(date11);// 起始时间
Calendar ecalendar = Calendar.getInstance();
ecalendar.setTime(date22);// 终止时间
Calendar calendarnow = Calendar.getInstance();
System.out.println(date11.toString());
System.out.println(date22.toString());
System.out.println(scalendar.toString());
System.out.println(ecalendar.toString());
System.out.println(calendarnow.toString());
if (calendarnow.after(scalendar) && calendarnow.before(ecalendar)) {
return true;
} else {
return false;
}
}
/**
* 获取interval天之前的日期
*
* @param interval
* @param starttime
* @param pattern
* @return
*/
public static Date getIntervalDate(String interval, Date starttime, String pattern) {
Calendar temp = Calendar.getInstance();
temp.setTime(starttime);
temp.add(temp.DATE, Integer.parseInt(interval));
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
String shijian = sdf.format(temp.getTime());
return str2Date(shijian);
}
public static Date formatDate(Date date){
SimpleDateFormat bartDateFormat =
new SimpleDateFormat("yyyy-MM-dd");
System.out.println(bartDateFormat.format(date));
SimpleDateFormat bartDateFormat1 =new SimpleDateFormat("yyyy-MM-dd");
try {
Date date1 = bartDateFormat1.parse(bartDateFormat.format(date));
} catch (ParseException e) {
e.printStackTrace();
}
System.out.println(date.getTime());
return date;
}
public static void main(String arf[]) {
/*String time1 = "2009-05-07 19:20:00";
String time2 = "2009-05-08 19:30:00";
DateUtil d = new DateUtil();
System.out.println(d.checkDate(time1, time2));
System.out.println(d.date2Str(new Date()));*/
//System.out.println(d.getIntervalDate("-3", new Date(), DEFAULT_PATTERN));
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
System.out.println(calendar.toString());
System.out.println(DateUtil.str2Date("20090731","yyyyMMdd"));
System.out.println(DateUtil.getBeforeDate(new Date(),2 ));
System.out.println(DateUtil.DatePattern(new Date()));
SimpleDateFormat bartDateFormat =
new SimpleDateFormat("yyyy-MM-dd");
Date date = new Date();
System.out.println("date;"+bartDateFormat.format(date));
SimpleDateFormat bartDateFormat1 =new SimpleDateFormat("yyyy-MM-dd");
try {
Date date1 = bartDateFormat1.parse(bartDateFormat.format(date));
System.out.println("日期:"+date1);
} catch (ParseException e) {
e.printStackTrace();
}
}
}
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;
/**
* 时间处理函数
*
* @20080509 15:50
*/
public class DateUtil {
private static final String DEFAULT_PATTERN = "yyyy-MM-dd HH:mm:ss";
public static final String TIME_YEAR = "yyyy";
public static final String TIME_MONEN = "MM";
public static final String TIME_DAY = "dd";
public static String getDate(String interval, Date starttime, String pattern) {
Calendar temp = Calendar.getInstance(TimeZone.getDefault());
temp.setTime(starttime);
temp.add(temp.MONTH, Integer.parseInt(interval));
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
return sdf.format(temp.getTime());
}
/**
* 将字符串类型转换为时间类型
*
* @return
*/
public static Date str2Date(String str) {
Date d = null;
SimpleDateFormat sdf = new SimpleDateFormat(DEFAULT_PATTERN);
try {
d = sdf.parse(str);
} catch (Exception e) {
e.printStackTrace();
}
return d;
}
public static Date str2Date(String str, String pattern) {
Date d = null;
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
try {
d = sdf.parse(str);
} catch (Exception e) {
e.printStackTrace();
}
return d;
}
/**
* 将时间格式化
*
* @return
*/
public static Date DatePattern(Date date) {
SimpleDateFormat sdf = new SimpleDateFormat(DEFAULT_PATTERN);
try {
String dd = sdf.format(date);
date = str2Date(dd);
} catch (Exception e) {
e.printStackTrace();
}
return date;
}
/**
* 将时间格式化
*/
public static Date DatePattern(Date date, String pattern) {
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
try {
String dd = sdf.format(date);
date = str2Date(dd, pattern);
} catch (Exception e) {
e.printStackTrace();
}
return date;
}
public static String date2Str(Date date) {
SimpleDateFormat sdf = new SimpleDateFormat(DEFAULT_PATTERN);
return sdf.format(date);
}
public static String date2Str(Date date, String format) {
SimpleDateFormat sdf = new SimpleDateFormat(format);
return sdf.format(date);
}
/**
* 获取昨天
*
* @param date
* @return
* @throws Exception
*/
public static Date getLastDate(Date date) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
calendar.setTime(date);
calendar.add(calendar.DATE, -1);
return str2Date(date2Str(calendar.getTime()));
}
/**
* 获取前几天
* @param date
* @return
*/
public static Date getBeforeDate(Date date,int dates) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
calendar.setTime(date);
calendar.add(calendar.DATE, -dates);
return str2Date(date2Str(calendar.getTime()));
}
/**
* 获取上周第一天(周一)
*
* @param date
* @return
* @throws Exception
*/
public static Date getLastWeekStart(Date date) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
calendar.setTime(date);
int i = calendar.get(calendar.DAY_OF_WEEK) - 1;
int startnum = 0;
if (i == 0) {
startnum = 7 + 6;
} else {
startnum = 7 + i - 1;
}
calendar.add(calendar.DATE, -startnum);
return str2Date(date2Str(calendar.getTime()));
}
/**
* 获取上周最后一天(周末)
*
* @param date
* @return
* @throws Exception
*/
public static Date getLastWeekEnd(Date date) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
calendar.setTime(date);
int i = calendar.get(calendar.DAY_OF_WEEK) - 1;
int endnum = 0;
if (i == 0) {
endnum = 7;
} else {
endnum = i;
}
calendar.add(calendar.DATE, -(endnum - 1));
return str2Date(date2Str(calendar.getTime()));
}
/**
* 根据年和月得到天数
* @param num 月
* @param year 年
* @return
*/
public static int getday(int num,int year){
if(num==1 || num==3 || num==5 || num==7 || num==8 || num==10 || num==12){
return 31;
}else if(num==2){
//判断是否为闰年
if(year%400==0 || (year%4==0 && year%100!=0)){
return 29;
}else{
return 28;
}
}else{
return 30;
}
}
/*
* 计算当前日期距离下个月还有多少天
*/
public static int getdaymis(Date time){
int year = Integer.parseInt(
new SimpleDateFormat(TIME_YEAR).format(time));//年
int mm = Integer.parseInt(
new SimpleDateFormat(TIME_MONEN).format(time));//月
int dd = Integer.parseInt(
new SimpleDateFormat(TIME_DAY).format(time));//日
//获取当前年月的总天数
int sdd = getday(mm,year);
return sdd-dd;
}
/**
* 日期转秒数
* @param dateString
* @return
*/
public static long getTime(String dateString) {
long time = 0;
try {
Date ret = null;
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
ret = sdf.parse(dateString);
time = ret.getTime()/1000;
} catch (Exception e) {
}
return time;
}
/**
* 精确计算时间差,精确到日
* @param fistill 起始日期
* @param nowtime 结束日期
* @param type type为1返回年月日(如:2年3个月零5天) 否则返回总的天数
* @return
*/
public static String patienage(Date fistill,Date nowtime,Integer type){
int fyear = Integer.parseInt(
new SimpleDateFormat(TIME_YEAR).format(fistill));//起始年
int fmm = Integer.parseInt(
new SimpleDateFormat(TIME_MONEN).format(fistill));//起始月
int fdd = Integer.parseInt(
new SimpleDateFormat(TIME_DAY).format(fistill));//起始日
int nyear = Integer.parseInt(
new SimpleDateFormat(TIME_YEAR).format(nowtime));//结束年
int nmm = Integer.parseInt(
new SimpleDateFormat(TIME_MONEN).format(nowtime));//结束月
int ndd = Integer.parseInt(
new SimpleDateFormat(TIME_DAY).format(nowtime));//结束日
int cyear = nyear - fyear;
int cmm = nmm - fmm;
int cdd = ndd - fdd;
int zyear = 0;
int zmm = 0;
int zdd = 0;
int countddd = 0; //年月日累计天数
if(cdd<0){
if(cmm<0){
zyear = cyear - 1;
zmm = (cmm + 12)-1;
int dd = getday(zmm,nyear-1);
zdd = dd + cdd;
countddd = zyear*365+zmm*30+zdd;
}else if(cmm==0){
zyear = cyear - 1;
zmm = 12-1;
int dd = getday(zmm,nyear-1);
zdd = dd + cdd;
countddd = zyear*365+zmm*30+zdd;
}else{
zyear = cyear;
zmm = cmm - 1;
int dd = getday(zmm,nyear);
zdd = dd + cdd;
countddd = zyear*365+zmm*30+zdd;
}
}else if(cdd==0){
if(cmm<0){
zyear = cyear - 1;
zmm = cmm + 12;
zdd = 0;
countddd = zyear*365+zmm*30;
}else if(cmm==0){
zyear = cyear;
zmm = 0;
zdd = 0;
countddd = zyear*365+zmm*30;
}else{
zyear = cyear;
zmm = cmm;
zdd = 0;
countddd = zyear*365+zmm*30;
}
}else{
if(cmm<0){
zyear = cyear - 1;
zmm = cmm + 12;
zdd = cdd;
countddd = zyear*365+zmm*30+zdd;
}else if(cmm==0){
zyear = cyear;
zmm = 0;
zdd = cdd;
countddd = zyear*365+zmm*30+zdd;
}else{
zyear = cyear;
zmm = cmm;
zdd = cdd;
countddd = zyear*365+zmm*30+zdd;
}
}
String ptime = null;
if(zdd!=0){
if(zmm!=0){
if(zyear!=0){
ptime = zyear+"年"+zmm+"个月"+"零"+zdd+"天";
}else{
ptime = zmm+"个月"+"零"+zdd+"天";
}
}else{
if(zyear!=0){
ptime = zyear+"年"+"零"+zdd+"天";
}else{
ptime = zdd+"天";
}
}
}else{
if(zmm!=0){
if(zyear!=0){
ptime = zyear+"年"+zmm+"个月";
}else{
ptime = zmm+"个月";
}
}else{
if(zyear!=0){
ptime = zyear+"年";
}else{
ptime = null;
}
}
}
if(type==1){
return ptime; //返回年月日(如:2年3个月零5天)
}else{
return String.valueOf(countddd); //返回总天数
}
}
/**
* 得到月数
* @param year 年数差
* @param month 月数差
* @return
*/
public static int getCmm(Integer year,Integer month){
int zmm = 0;
if(month < 0){
zmm = (month + 12)+(year-1)*12;
}else if(month == 0){
zmm = year*12;
}else{
zmm = year*12+month;
}
return zmm;
}
/**
* 改更现在时间
*/
public static Date changeDate(String type, int value) {
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
if (type.equals("month")) {
calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + value);
} else if (type.equals("date")) {
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) + value);
}
return calendar.getTime();
}
/**
* 更改时间
*/
public static Date changeDate(Date date, String type, int value) {
if (date != null) {
// Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
Calendar calendar = new GregorianCalendar();
calendar.setTime(date);
// Calendar calendar = Calendar.
if (type.equals("month")) {
calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + value);
} else if (type.equals("date")) {
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) + value);
} else if (type.endsWith("year")) {
calendar.set(Calendar.YEAR, calendar.get(Calendar.YEAR) + value);
}
return calendar.getTime();
}
return null;
}
/**
* haoxw 比较时间是否在这两个时间点之间
*
* @param time1
* @param time2
* @return
*/
public static boolean checkTime(String time1, String time2) {
Calendar calendar = Calendar.getInstance();
Date date1 = calendar.getTime();
Date date11 = DateUtil.str2Date(DateUtil.date2Str(date1, "yyyy-MM-dd") + " " + time1);// 起始时间
Calendar c = Calendar.getInstance();
c.add(Calendar.DATE, 1);
Date date2 = c.getTime();
Date date22 = DateUtil.str2Date(DateUtil.date2Str(date2, "yyyy-MM-dd") + " " + time2);// 终止时间
Calendar scalendar = Calendar.getInstance();
scalendar.setTime(date11);// 起始时间
Calendar ecalendar = Calendar.getInstance();
ecalendar.setTime(date22);// 终止时间
Calendar calendarnow = Calendar.getInstance();
if (calendarnow.after(scalendar) && calendarnow.before(ecalendar)) {
return true;
} else {
return false;
}
}
/**
* haoxw 比较时间是否在这两个时间点之间
*
* @param date11
* @param date22
* @return
*/
public static boolean checkTime(Date date11, Date date22) {
Calendar scalendar = Calendar.getInstance();
scalendar.setTime(date11);// 起始时间
Calendar ecalendar = Calendar.getInstance();
ecalendar.setTime(date22);// 终止时间
Calendar calendarnow = Calendar.getInstance();
if (calendarnow.after(scalendar) && calendarnow.before(ecalendar)) {
return true;
} else {
return false;
}
}
public static boolean checkDate(String date1, String date2) {
Date date11 = DateUtil.str2Date(date1, "yyyy-MM-dd HH:mm:ss");// 起始时间
Date date22 = DateUtil.str2Date(date2, "yyyy-MM-dd HH:mm:ss");// 终止时间
Calendar scalendar = Calendar.getInstance();
scalendar.setTime(date11);// 起始时间
Calendar ecalendar = Calendar.getInstance();
ecalendar.setTime(date22);// 终止时间
Calendar calendarnow = Calendar.getInstance();
System.out.println(date11.toString());
System.out.println(date22.toString());
System.out.println(scalendar.toString());
System.out.println(ecalendar.toString());
System.out.println(calendarnow.toString());
if (calendarnow.after(scalendar) && calendarnow.before(ecalendar)) {
return true;
} else {
return false;
}
}
/**
* 获取interval天之前的日期
*
* @param interval
* @param starttime
* @param pattern
* @return
*/
public static Date getIntervalDate(String interval, Date starttime, String pattern) {
Calendar temp = Calendar.getInstance();
temp.setTime(starttime);
temp.add(temp.DATE, Integer.parseInt(interval));
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
String shijian = sdf.format(temp.getTime());
return str2Date(shijian);
}
public static Date formatDate(Date date){
SimpleDateFormat bartDateFormat =
new SimpleDateFormat("yyyy-MM-dd");
System.out.println(bartDateFormat.format(date));
SimpleDateFormat bartDateFormat1 =new SimpleDateFormat("yyyy-MM-dd");
try {
Date date1 = bartDateFormat1.parse(bartDateFormat.format(date));
} catch (ParseException e) {
e.printStackTrace();
}
System.out.println(date.getTime());
return date;
}
public static void main(String arf[]) {
/*String time1 = "2009-05-07 19:20:00";
String time2 = "2009-05-08 19:30:00";
DateUtil d = new DateUtil();
System.out.println(d.checkDate(time1, time2));
System.out.println(d.date2Str(new Date()));*/
//System.out.println(d.getIntervalDate("-3", new Date(), DEFAULT_PATTERN));
Calendar calendar = Calendar.getInstance(TimeZone.getDefault());
System.out.println(calendar.toString());
System.out.println(DateUtil.str2Date("20090731","yyyyMMdd"));
System.out.println(DateUtil.getBeforeDate(new Date(),2 ));
System.out.println(DateUtil.DatePattern(new Date()));
SimpleDateFormat bartDateFormat =
new SimpleDateFormat("yyyy-MM-dd");
Date date = new Date();
System.out.println("date;"+bartDateFormat.format(date));
SimpleDateFormat bartDateFormat1 =new SimpleDateFormat("yyyy-MM-dd");
try {
Date date1 = bartDateFormat1.parse(bartDateFormat.format(date));
System.out.println("日期:"+date1);
} catch (ParseException e) {
e.printStackTrace();
}
}
}
发表评论
-
使用memcached进行并发控制(转)
2015-12-29 14:39 840版权声明:本文为博主 ... -
Lock和Synchronized的不同
2014-10-24 15:46 738在 Java 中线程的状态可以分为:新建(New),运行状 ... -
ClassLoader加载流程
2014-04-16 09:59 582[b]当运行一个程序的时候,JVM启动, 运行bootstar ... -
springmvc请求接收参数的几种方法(转载)
2014-04-14 13:37 1485通过@PathVariabl注解获取路径中传递参数 JAVA ... -
JDK里的设计模式
2014-03-10 09:52 581适配器模式: 用来把一个接口转化成另一个接口。 java ... -
include与jsp:include区别
2014-02-28 15:03 551在jsp中include有两种形式,分别是 <%@ i ... -
DBCP的配置参数
2014-02-25 15:51 714tomcatde DHCP的配置 <Resource d ... -
log4j
2014-01-17 13:56 339public Logger m_log = null; ... -
关于java Date和时区的问题
2013-12-18 11:55 816java2平台为我们提供了丰富的日期时间API。如java.u ... -
hessian异常总结
2013-12-12 17:53 1220版本不兼容 com.caucho.hessian.io.Hes ... -
java异常
2013-09-06 12:01 531java.sql.SQLException: Incorrec ... -
汉字转码的java实现
2013-08-05 17:26 972package common; import java.ut ... -
验证邮件的有效性
2013-07-30 14:25 1110public static boolean checkEma ... -
优化Servlet配置
2013-04-09 10:31 615[b] 以往每添加一个Servlet就要在web. ... -
纯hessian的部署(转)
2012-11-06 17:44 802Web 服务是通过在 Web 服务器上部署 Servlet 来 ... -
Ehcache的使用
2012-07-27 15:11 832一、 配置文件ehcache.xml <ehcache& ... -
struts2上传文件活动文件名、类型
2012-05-16 08:45 900public class FileUpload { ... -
struts2乱码
2012-05-14 17:36 0Struts2.1.6 StrutsPrepareAndExe ... -
解决struts2过滤器冲突问题
2012-04-27 13:40 0struts2使用FilterDispatcher进行url过 ... -
cron表达式
2012-03-14 15:02 833所在组的定时任务用的quartz,是我第一个用的,今天有同事用 ...
相关推荐
没事写了一个关于java时间处理的工具类,很简单
基本涵盖了各种场景的日期处理需要,包括时间类型转换,获取N天前后,月初月末,某段时间按天拆分等功能,欢迎使用。
* 根据日历的规则,为基准时间添加指定日历字段的单个时间单元 * * @param field * 日历字段, 使用Calendar类定义的日历字段常量 * @param up * 指定日历字段的值的滚动方向。true:向上滚动 / false:向...
非常强大的java时间处理工具类!.docx
该Java工具类调用时只需要类名.方法即可调用。 1.返回纯数字的年月日时分秒时间戳:20191008103656 4.在日期上增加数个整月 5.在日期上增加天数 6.在日期上增加n分钟 7.两个时间相差距离多少天多少小时...
99 非常强大的java时间处理工具类!.docx
7 非常强大的java时间处理工具类!.docx
最全的java开发时间工具类(日期处理工具类)。
一个非常好的Java工具类 包括字符窜加密解密,非法字符过滤和替换 时间格式转换,常用验证等等很多非常有用的函数
日期操作工具类,主要实现了日期的常用操作。 * * 在工具类中经常使用到工具类的格式化描述,这个主要是一个日期的操作类,所以日志格式主要使用 SimpleDateFormat的定义格式. * * 格式的意义如下: 日期和...
本工具包主要是基于JAVA的底层时间类的处理周期时间的工具包,主要用于处理并得到周期性提醒的时间,比如说您想要在每天8:10、每月1号8:20、每周三8:30、每10分钟、每3小时、每季度第一个月1号8:10等等处理一项...
J2EE常用工具类汇总 ...J2EE常用工具类—时间处理工具类 J2EE常用工具类—文件打包解包处理类 J2EE常用工具类——文件操作类 J2EE常用工具类——邮件处理类(javaMail发送邮件) J2EE常用工具类——字符串工具类
java 时间处理工具类,包含时间截取、转换,固定格式时间转换
获取SimpleDateFormat 获取日期中的某数值。如获取月份 增加日期中某类型的某数值。如增加日期 获取精确的日期 判断字符串是否为日期字符串 ...两个时间相差距离中文描述 。 比较两个时间的大小。
包含"yyyy-MM-dd"、"yyyy-MM-dd HH:mm:ss"、"yyyyMMdd"、"yyyyMMddHHmmss"、"yyyy-MM"、"yyyyMM"等时间格式的转换。 其中: 1.String转Timestamp stringToTimestamp(String dateStr); 2.比较传入时间与当前时间前一...
并且在平时开发中会遇到各种各样通用的一些功能,比如对json的处理,对String对象的处理,对Excel文件的处理,MD5加密处理,Bean对象处理等等,这些常用并通用的方法可以被封装成一个个工具类如StringUtil,...
在Java开发类库中,提供了很多工具类,我们即将学习最常见的工具类,比如对日期的操作,对集合的操作等。具体更多的工具类,请参考JavaDoc文档。 2. java.util.Date类 Date类包装了毫秒值,毫秒值表示自1970年1月1...
在开发过程中,经常会判断日期处理。文档是开发过程中对时间处理,几乎包含不了所有用的转换,请放心使用。
java,常用,工具类,大大提高java开发效率。 基本上能用上的都有了,字符处理,文件处理,时间,图片等等
8:DateUtility 日期、时间处理的工具类 9:EnameUtils 10:Escape 11:FileTool 文件工具类 12:HttpRequestUtils 13:HttpUtils 14:IdGenerator 15:ImageCut 图片剪切 16:ImageUtils 17:JsonTool 18:...