部分代码可以抽取合并。
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;
public class DateUtils {
/*时间戳转换成字符窜*/
public static String getDateToString(long time) {
SimpleDateFormat sf = null;
Date d = new Date(time*1000);
sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return sf.format(d);
} /*时间戳转换成字符窜*/
public static String getDateToString1(long time) {
SimpleDateFormat sf = null;
Date d = new Date(time*1000);
sf = new SimpleDateFormat("HH:mm:ss");
return sf.format(d);
}
/*时间戳转换成字符窜*/
public static String getDateToStringmonth(long time) {
SimpleDateFormat sf = null;
Date d = new Date(time*1000);
sf = new SimpleDateFormat("yyyy年MM月dd日");
return sf.format(d);
}
/*时间戳转换成字符窜*/
public static String getDateTohour(long time) {
SimpleDateFormat sf = null;
Date d = new Date(time*1000);
sf = new SimpleDateFormat("HH:mm");
return sf.format(d);
}
/*时间戳转换成字符窜*/
public static String getDateTorecod(long time) {
SimpleDateFormat sf = null;
Date d = new Date(time*1000);
sf = new SimpleDateFormat("HH:mm MM/dd");
return sf.format(d);
}
//============================借助Calendar类获取今天、昨天、本周、上周、本年及特定时间的开始时间和结束时间（返回类型为date类型）========================
/**
* 获取当天开始时间
*
* @return
*/
public static Date getDayBegin() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 0);//0点
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();
}
/**
* 获取当天结束时间
*
* @return
*/
public static Date getDayEnd() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.HOUR_OF_DAY, 23);//23点
cal.set(Calendar.MINUTE, 59);//59分
cal.set(Calendar.SECOND, 59);//59秒
return cal.getTime();
}
/**
* 获取昨天开始时间
*
* @return
*/
public static Date getBeginDayOfYesterday() {
Calendar cal = Calendar.getInstance();
cal.setTime(getDayBegin());//当天开始时间
cal.add(Calendar.DAY_OF_MONTH, -1);//当天月份天数减1
return cal.getTime();
}
/**
* 获取昨天结束时间
*
* @return
*/
public static Date getEndDayOfYesterday() {
Calendar cal = Calendar.getInstance();
cal.setTime(getDayEnd());//当天结束时间
cal.add(Calendar.DAY_OF_MONTH, -1);//当天月份天数减1
return cal.getTime();
}
/**
* 获取明天开始时间
*
* @return
*/
public static Date getBeginDayOfTomorrow() {
Calendar cal = Calendar.getInstance();
cal.setTime(getDayBegin());//当天开始时间
cal.add(Calendar.DAY_OF_MONTH, 1);//当天月份天数加1
return cal.getTime();
}
/**
* 获取明天结束时间
*
* @return
*/
public static Date getEndDayOfTomorrow() {
Calendar cal = Calendar.getInstance();
cal.setTime(getDayEnd());//当天结束时间
cal.add(Calendar.DAY_OF_MONTH, 1);//当天月份天数加1
return cal.getTime();
}
/**
* 获取某个日期的开始时间
*
* @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());
}
/**
* 获取某个日期的结束时间
*
* @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());
}
/**
* 获取本周的开始时间
*
* @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());
}
/**
* 获取本周的结束时间
*
* @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);
}
/**
* 获取上周开始时间
*/
@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());
}
/**
* 获取上周的结束时间
*
* @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);
}
/**
* 获取今年是哪一年
*
* @return
*/
public static Integer getNowYear() {
Date date = new Date();
GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
gc.setTime(date);
return Integer.valueOf(gc.get(1));
}
/**
* 获取本月是哪一月
*
* @return
*/
public static int getNowMonth() {
Date date = new Date();
GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
gc.setTime(date);
return gc.get(2) + 1;
}
/**
* 获取本月的开始时间
*
* @return
*/
public static Date getBeginDayOfMonth() {
Calendar calendar = Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth() - 1, 1);
return getDayStartTime(calendar.getTime());
}
/**
* 获取本月的结束时间
*
* @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());
}
/**
* 获取上月的开始时间
*
* @return
*/
public static Date getBeginDayOfLastMonth() {
Calendar calendar = Calendar.getInstance();
calendar.set(getNowYear(), getNowMonth() - 2, 1);
return getDayStartTime(calendar.getTime());
}
/**
* 获取上月的结束时间
*
* @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());
}
/**
* 获取本年的开始时间
*
* @return
*/
public static 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());
}
/**
* 获取本年的结束时间
*
* @return
*/
public static 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());
}
/**
* 两个日期相减得到的天数
*
* @param beginDate
* @param endDate
* @return
*/
public static int getDiffDays(long beginDate, long endDate) {
long diff = (endDate - beginDate) / (1000 * 60 * 60 * 24);
int days = new Long(diff).intValue();
return days;
}
/**
* 两个日期相减得到的毫秒数
*
* @param beginDate
* @param endDate
* @return
*/
public static long dateDiff(Date beginDate, Date endDate) {
long date1ms = beginDate.getTime();
long date2ms = endDate.getTime();
return date2ms - date1ms;
}
/**
* 获取两个日期中的最大日起
*
* @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日期大于endDate
return beginDate;
}
return endDate;
}
/**
* 获取两个日期中的最小日期
*
* @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;
}
/**
* 获取某月该季度的第一个月
*
* @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();
}
/**
* 返回某个日期下几天的日期
*
* @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();
}
/**
* 返回某个日期前几天的日期
*
* @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();
}
/**
* 获取某年某月按天切片日期集合（某个月间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;
}
/**
* 获取某年某月到某年某月按天的切片日期集合（间隔天数的集合）
*
* @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;
}
//=================================时间格式转换==========================
/**
* date类型进行格式化输出（返回类型：String）
*
* @param date
* @return
*/
public static String dateFormat(Date date, String pattern) {
SimpleDateFormat formatter = new SimpleDateFormat(pattern);
String dateString = formatter.format(date);
return dateString;
}
/**
* date类型进行格式化输出（返回类型：String HH:mm:ss）
*
* @param date
* @return
* @author tianyu.tang
*/
public static String dateFormatDay(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
String dateString = formatter.format(date);
return dateString;
}
/**
* 将"2015-08-31 21:08:06"型字符串转化为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;
}
/**
* 将CST时间类型字符串进行格式化输出
*
* @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, "yyyy-MM-dd HH:mm:ss");
}
/**
* 将long类型转化为Date
*
* @param str
* @return
* @throws ParseException
*/
public static Date LongToDare(long str) throws ParseException {
return new Date(str * 1000);
}
//====================================其他常见日期操作方法======================
/**
* 判断当前日期是否在[startDate, endDate]区间
*
* @param startDate 开始日期
* @param endDate 结束日期
* @return
* @author jqlin
*/
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;
}
/**
* 得到二个日期间的间隔天数
*
* @param secondString：后一个日期
* @param firstString：前一个日期
* @return
*/
public static String getTwoDay(String secondString, String firstString) {
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
long day = 0;
try {
Date secondTime = myFormatter.parse(secondString);
Date firstTime = myFormatter.parse(firstString);
day = (secondTime.getTime() - firstTime.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.
*
* @param StringTime：时间
* @param minute：分钟（有正负之分）
* @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;
}
/**
* 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,String pattern) {
SimpleDateFormat formatter = new SimpleDateFormat(pattern);
ParsePosition pos = new ParsePosition(0);
Date strtodate = formatter.parse(strDate, pos);
return strtodate;
}
/**
* 得到一个时间延后或前移几天的时间
*
* @param nowdate：时间
* @param delay：前移或后延的天数
* @return
*/
public static String getNextDay(String nowdate, String delay) {
try {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
String mdate = "";
Date d = strToDate(nowdate, "yyyy-MM-dd");
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 "";
}
}
/**
* 判断是否闰年
*
* @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, "yyyy-MM-dd");
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
*
* @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)) {
// 如果12月的最后一周横跨来年第一周的话则最后一周即算做来年的第一周
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;
}
/**
* 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 + "年第" + week + "周";
}
/**
* 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：日期
* @param num：星期几（星期天是一周的第一天）
* @return
*/
public static String getWeek(String sdate, String num) {
// 再转换为时间
Date dd = strToDate(sdate, "yyyy-MM-dd");
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());
}
/**
* 根据一个日期，返回是星期几的字符串
*
* @param sdate
* @return
*/
public static String getWeek(String sdate) {
// 再转换为时间
Date date = strToDate(sdate, "yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setTime(date);
// int hour=c.get(Calendar.DAY_OF_WEEK);
// hour中存的就是星期几了，其范围 1~7
// 1=星期日 7=星期六，其他类推
return new SimpleDateFormat("EEEE").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 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;
}
/**
* 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;
// 转换为标准时间
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
Date date = null;
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) {
// 取该时间所在月的一号
sdate = sdate.substring(0, 8) + "01";
// 得到这个月的1号是星期几
Date date = strToDate(sdate, "yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setTime(date);
int u = c.get(Calendar.DAY_OF_WEEK);
String newday = getNextDay(sdate, (1 - u) + "");
return newday;
}
/**
* 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
* @return
*/
public static String getUserDate(String sformat) {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat(sformat);
String dateString = formatter.format(currentTime);
return dateString;
}
/**
* 返回一个i位数的随机数
*
* @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
// * @return
// */
// public static String getNo(int k) {
// return getUserDate("yyyyMMddhhmmss") + getRandom(k);
// }
//
//
// public static void main(String[] args) {
// System.out.println(getNo(8));
// }
/**
* 判断时间是否在时间段内
*
* @param nowTime
* @param beginTimeStr
* @param endTimeStr
* @return
* @author tianyu.tang
*/
public static boolean belongCalendar(Date nowTime, String beginTimeStr, String endTimeStr) {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMdd HH:mm:ss");
String nowTimeStr = simpleDateFormat.format(nowTime);
String yearAndDay = nowTimeStr.substring(0, 8);
//设置当前时间
Calendar date = Calendar.getInstance();
date.setTime(nowTime);
//设置开始时间
beginTimeStr = yearAndDay + " " + beginTimeStr;
endTimeStr = yearAndDay + " " + endTimeStr;
Date beginTime = new Date();
Date endTime = new Date();
try {
beginTime = simpleDateFormat.parse(beginTimeStr);
endTime = simpleDateFormat.parse(endTimeStr);
} catch (ParseException e) {
e.printStackTrace();
}
Calendar begin = Calendar.getInstance();
begin.setTime(beginTime);
//设置结束时间
Calendar end = Calendar.getInstance();
end.setTime(endTime);
//处于开始时间之后，和结束时间之前的判断
if (date.after(begin) && date.before(end)) {
return true;
} else {
return false;
}
}
/**
* 获取传入日期的上一天 日期格式：yyyyMMdd
*
* @param strData
* @return
*/
public static String getPreDateByDate(String strData) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
Date parse = new Date();
try {
parse = formatter.parse(strData);
} catch (ParseException e) {
e.printStackTrace();
}
Calendar calendar = Calendar.getInstance();
calendar.setTime(parse);
calendar.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH) - 1);
Date time = calendar.getTime();
String format = formatter.format(time);
return format;
}
/**
* 获取传入日期的下一天 日期格式：yyyyMMdd
*
* @param strData
* @return
*/
public static String getNextDateByDate(String strData) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
Date parse = new Date();
try {
parse = formatter.parse(strData);
} catch (ParseException e) {
e.printStackTrace();
}
Calendar calendar = Calendar.getInstance();
calendar.setTime(parse);
calendar.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH) + 1);
Date time = calendar.getTime();
String format = formatter.format(time);
return format;
}
/**
* 往前推n月
*/
public static Date getNextMonth(Date date, Integer s) {
Calendar instance = Calendar.getInstance();
instance.setTime(date);
instance.add(Calendar.MONTH, s);
return instance.getTime();
}
/**
* 判断传入日期是否是周末
* @param date
* @return
* @throws ParseException
*/
public static Integer isWeekday(Date date) throws ParseException {
int result;
Calendar cal = Calendar.getInstance();
cal.setTime(date);
if (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY || cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
result = 2;
} else result = 1;
return result;
}
/**
* 判断传入日期是否大于某个天数
* @param date
* @param integer
* @return
*/
public static Integer isBeyondDay(Date date, Integer integer) {
Calendar instance = Calendar.getInstance();
instance.setTime(date);
int i = instance.get(Calendar.DATE);
if (i > integer) {
return 2;
} else {
return 1;
}
}
/**
* 功能： 返回"yyyyMMdd"
*
* @author
* @version
*/
public static String getTodayShort() {
Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
String dateString = formatter.format(currentTime);
return dateString;
}
/**
* 判断传入日期是星期几
* @param pTime
* @return
* @throws Throwable
*/
public static String dayForWeek(String pTime) throws Throwable {
SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");
Date tmpDate = format.parse(pTime);
Calendar cal = Calendar.getInstance();
String[] weekDays = {"7", "1", "2", "3", "4", "5", "6"};
try {
cal.setTime(tmpDate);
} catch (Exception e) {
e.printStackTrace();
}
int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个星期中的某天。
if (w < 0)
w = 0;
return weekDays[w];
}
/**
* 获取下个交易日
*
* @return
*/
public static String getNextTradeDate() {
return getTodayShort();
}
/**
* 获取当前交易日
*
* @return
*/
public static String getNowTradeDate() {
return getTodayShort();
}
/**
* 判断当前时间是否在如14:57-15:00之间
*
* @return boolean
*/
public static boolean judgeIsSetBiddingTime(String startTime,String endTime) {
//设置日期格式
SimpleDateFormat df = new SimpleDateFormat("HH:mm");
Date now = null;
Date beginDate = null;
Date endDate = null;
try {
now = df.parse(df.format(new Date()));
beginDate = df.parse(startTime);
endDate = df.parse(endTime);
} catch (Exception e) {
e.printStackTrace();
}
Calendar date = Calendar.getInstance();
date.setTime(now);
Calendar begin = Calendar.getInstance();
begin.setTime(beginDate);
Calendar end = Calendar.getInstance();
end.setTime(endDate);
return date.after(begin) && date.before(end);
}
/**
* d昂前时间与系统时间比较
* @param currentTime
* @param operTime
* @param priceFresh
* @return
*/
public static boolean subscribeTime(Long currentTime, Long operTime, String priceFresh) {
int i = Integer.parseInt(priceFresh);
long decline = i * 1000;
return currentTime - operTime > decline;
}
/**
* 功能： 返回"yyyyMMdd"
*
* @author
* @version
*/
public static String getDateShort(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
String dateString = formatter.format(date);
return dateString;
}
/**
* 功能： 返回"HH:mm:ss"
*
* @author
* @version
*/
public static String getTimeShort(Date date) {
SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
String dateString = formatter.format(date);
return dateString;
}
/**
* 功能： 返回"HH:mm:ss"
*
* @author
* @version
*/
public static String getNowTime() {
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HH:mm:ss");
String dateString = formatter.format(new Date());
return dateString;
}
public static Long nextMonth(Long mon,int flag) {
Long res = 0L;
Date date = mon==null ? new Date():new Date(mon);//当前日期
//SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");//格式化对象
Calendar calendar = Calendar.getInstance();//日历对象
calendar.setTime(date);//设置当前日期
calendar.add(Calendar.MONTH, flag);//月份减一为-1，加一为1
res =calendar.getTime().getTime();
// System.out.println(getDateToString(calendar.getTimeInMillis()));//输出格式化的日期
return res;
}
public static String getDistanceTime(long time1,long time2 ) {
long day = 0;
long hour = 0;
long min = 0;
long sec = 0;
long diff ;
String flag;
if(time1<time2) {
diff = time2 - time1;
flag="前";
} else {
diff = time1 - time2;
flag="后";
}
day = diff / (24 * 60 * 60);
hour = (diff / (60 * 60 ) - day * 24);
// min = ((diff / (60)) - day * 24 * 60 - hour * 60);
if(day!=0)return day+"天"+hour+"小时";
if(hour!=0)return hour+"小时";
// if(min!=0)return min+"分钟";
return "0小时";
}
}
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