`Java时间格式转换大全`
`import java
.text
.*;`
`import java
.util
.Calendar
;`
`
public class VeDate {`
``
`
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
;`
`
}`
``
`DateFormat format1
= new SimpleDateFormat("yyyy-MM-dd");
DateFormat format
2= new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒");
Date date
= null
;
String str
= null
;`
`
str
= "2007-1-18";
try {
date
= format1
.parse(str
);
data
= format2
.parse(str
);`
`
} catch (ParseException e
) {
e
.printStackTrace();
}
`
`
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
dateToStrLong(java
.util
.Date dateDate
) {`
`SimpleDateFormat formatter
= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");`
`String dateString
= formatter
.format(dateDate
);`
`
return dateString
;`
`
}`
``
`
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 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
;`
`
}`
--------------------------------------------------------------------------------------------------------------------------------
`做成方法`
`import java
.util
.*;
import java
.text
.*;`
`import java
.util
.Calendar
;`
`
public class VeDate {`
``
`
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
dateToStrLong(java
.util
.Date dateDate
) {`
`SimpleDateFormat formatter
= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");`
`String dateString
= formatter
.format(dateDate
);`
`
return dateString
;`
`
}`
``
`
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 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
= VeDate
.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
= VeDate
.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
= VeDate
.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, 8) + "01";`
`
`Date date
= VeDate
.strToDate(sdate
);`
`Calendar c
= Calendar
.getInstance();`
`c
.setTime(date
);`
`
int u
= c
.get(Calendar
.DAY_OF_WEEK
);`
`String newday
= VeDate
.getNextDay(sdate
, (1 - u
) + "");`
`
return newday
;`
`
}`
``
`
public static String
getNo(int k
) {`
`
return getUserDate("yyyyMMddhhmmss") + getRandom(k
);`
`
}`
``
`
public static String
getRandom(int i
) {`
`Random jjj
= new Random();`
`
`
if (i
== 0)`
`
return "";`
`String jj
= "";`
`
for (int k
= 0; k
< i
; k
++) {`
`jj
= jj
+ jjj
.nextInt(9);`
`
}`
`
return jj
;`
`
}`
``
`
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
getStringDateMonth(String sdate
, String nd
, String yf
, String rq
, String format
) {`
`Date currentTime
= new Date();`
`SimpleDateFormat formatter
= new SimpleDateFormat("yyyy-MM-dd");`
`String dateString
= formatter
.format(currentTime
);`
`String s_nd
= dateString
.substring(0, 4);
`String s_yf
= dateString
.substring(5, 7);
`String s_rq
= dateString
.substring(8, 10);
`String sreturn
= "";`
`roc
.util
.MyChar mc
= new roc
.util
.MyChar();`
`
if (sdate
== null
|| sdate
.equals("") || !mc
.Isdate(sdate
)) {
`
if (nd
.equals("1")) {`
`sreturn
= s_nd
;`
`
`
if (format
.equals("1"))`
`sreturn
= sreturn
+ "年";`
`
else if (format
.equals("2"))`
`sreturn
= sreturn
+ "-";`
`
else if (format
.equals("3"))`
`sreturn
= sreturn
+ "/";`
`
else if (format
.equals("5"))`
`sreturn
= sreturn
+ ".";`
`
}`
`
`
if (yf
.equals("1")) {`
`sreturn
= sreturn
+ s_yf
;`
`
if (format
.equals("1"))`
`sreturn
= sreturn
+ "月";`
`
else if (format
.equals("2"))`
`sreturn
= sreturn
+ "-";`
`
else if (format
.equals("3"))`
`sreturn
= sreturn
+ "/";`
`
else if (format
.equals("5"))`
`sreturn
= sreturn
+ ".";`
`
}`
`
`
if (rq
.equals("1")) {`
`sreturn
= sreturn
+ s_rq
;`
`
if (format
.equals("1"))`
`sreturn
= sreturn
+ "日";`
`
}`
`
} else {`
`
`sdate
= roc
.util
.RocDate
.getOKDate(sdate
);`
`s_nd
= sdate
.substring(0, 4);
`s_yf
= sdate
.substring(5, 7);
`s_rq
= sdate
.substring(8, 10);
`
if (nd
.equals("1")) {`
`sreturn
= s_nd
;`
`
`
if (format
.equals("1"))`
`sreturn
= sreturn
+ "年";`
`
else if (format
.equals("2"))`
`sreturn
= sreturn
+ "-";`
`
else if (format
.equals("3"))`
`sreturn
= sreturn
+ "/";`
`
else if (format
.equals("5"))`
`sreturn
= sreturn
+ ".";`
`
}`
`
`
if (yf
.equals("1")) {`
`sreturn
= sreturn
+ s_yf
;`
`
if (format
.equals("1"))`
`sreturn
= sreturn
+ "月";`
`
else if (format
.equals("2"))`
`sreturn
= sreturn
+ "-";`
`
else if (format
.equals("3"))`
`sreturn
= sreturn
+ "/";`
`
else if (format
.equals("5"))`
`sreturn
= sreturn
+ ".";`
`
}`
`
`
if (rq
.equals("1")) {`
`sreturn
= sreturn
+ s_rq
;`
`
if (format
.equals("1"))`
`sreturn
= sreturn
+ "日";`
`
}`
`
}`
`
return sreturn
;`
`
}`
`
public static String
getNextMonthDay(String sdate
, int m
) {`
`sdate
= getOKDate(sdate
);`
`
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 String
getOKDate(String sdate
) {`
`
if (sdate
== null
|| sdate
.equals(""))`
`
return getStringDateShort();`
`
if (!VeStr
.Isdate(sdate
)) {`
`sdate
= getStringDateShort();`
`
}`
`
`sdate
= VeStr
.Replace(sdate
, "/", "-");`
`
`
if (sdate
.length() == 8)`
`sdate
= sdate
.substring(0, 4) + "-" + sdate
.substring(4, 6) + "-" + sdate
.substring(6, 8);`
`SimpleDateFormat formatter
= new SimpleDateFormat("yyyy-MM-dd");`
`ParsePosition pos
= new ParsePosition(0);`
`Date strtodate
= formatter
.parse(sdate
, pos
);`
`String dateString
= formatter
.format(strtodate
);`
`
return dateString
;`
`
}`
`
public static void main(String
[] args
) throws Exception
{`
`
try {`
`
`
} catch (Exception e
) {`
`
throw new Exception();`
`
}`
`
`
}`