/**
* 获取现在时间
*
* @return 返回时间类型 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;
}
/**
* 获取现在时间
*
* @return返回短时间格式 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;
}
/**
* 获取现在时间
*
* @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;
}
/**
* 获取现在时间
*
* @return 返回短时间字符串格式yyyy-MM-dd
*/
public static String
getStringDateShort() {
Date currentTime =
new Date();
SimpleDateFormat formatter =
new SimpleDateFormat(
"yyyy-MM-dd");
String dateString = formatter.format(currentTime);
return dateString;
}
/**
* 获取时间 小时: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;
}
/**
* 将长时间格式字符串转换为时间 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;
}
/** * 将长时间格式时间转换为字符串 yyyy-MM-dd HH:mm:ss * * @param dateDate * @return */
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;
}
/**
* 将短时间格式时间转换为字符串 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;
}
/**
* 将短时间格式字符串转换为时间 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;
}
/**
* 得到现在时间
*
* @return
*/
public static Date
getNow() {
Date currentTime =
new Date();
return currentTime;
}
/**
* 提取一个月中的最后一天
*
* @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;
}
/**
* 得到现在时间
*
* @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;
}
/**
* 得到现在小时
*/
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;
}
/**
* 得到现在分钟
*
* @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;
}
/**
* 根据用户传入的时间表示格式,返回当前时间的格式 如果是yyyyMMdd,注意字母y不能大写。
*
* @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;
}
/**
* 二个小时时间间的差值,必须保证二个时间都是"HH:MM"的格式,返回字符型的分钟
*/
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";
}
}
/**
* 得到二个日期间的间隔天数
*/
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 +
"";
}
/**
* 时间前推或后推分钟,其中JJ表示分钟.
*/
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;
}
/**
* 得到一个时间延后或前移几天的时间,nowdate为时间,delay为前移或后延的天数
*/
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 "";
}
}
/**
* 判断是否润年
*
* @param ddate
* @return
*/
public static boolean isLeapYear(String ddate) {
/**
* 详细设计: 1.被400整除是闰年,否则: 2.不能被4整除则不是闰年 3.能被4整除同时不能被100整除则是闰年
* 3.能被4整除同时能被100整除则不是闰年
*/
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;
}
/**
* 返回美国时间格式 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);
}
/**
* 获取一个月的最后一天
*
* @param dat
* @return
*/
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;
}
/**
* 判断二个时间是否在同一个周
*
* @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)) {
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;
}
/**
* 产生周序列,即得到当前时间所在的年度是第几周
*
* @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;
}
/**
* 获得一个日期所在的周的星期几的日期,如要找出2002年2月3日所在周的星期一是几号
*
* @param sdate
* @param num
* @return
*/
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());
}
/**
* 根据一个日期,返回是星期几的字符串
*
* @param sdate
* @return
*/
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;
}
/**
* 两个时间之间的天数
*
* @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;
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;
}
/**
* 形成如下的日历 , 根据传入的一个时间返回一个结构 星期日 星期一 星期二 星期三 星期四 星期五 星期六 下面是当月的各个时间
* 此函数返回该日历第一行星期日所在的日期
*
* @param sdate
* @return
*/
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;
}
/**
* 取得数据库主键 生成格式为yyyymmddhhmmss+k位随机数
*
* @param k
* 表示是取几位随机数,可以自己定
*/
public static String
getNo(
int k) {
return getUserDate(
"yyyyMMddhhmmss") + getRandom(k);
}
/**
* 返回一个随机数
*
* @param i
* @return
*/
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;
}
/***************************************************************************
* //nd=1表示返回的值中包含年度 //yf=1表示返回的值中包含月份 //rq=1表示返回的值中包含日期 //format表示返回的格式 1
* 以年月日中文返回 2 以横线-返回 // 3 以斜线/返回 4 以缩写不带其它符号形式返回 // 5 以点号.返回
**************************************************************************/
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;
}