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package com.aspire.nm.component.util;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.TimeZone;
public class DateUtil {
/**
* 日期长字符串格式符
*/
public static final String DATE_FORMAT_FULL = "yyyy-MM-dd HH:mm:ss";
/**
* 日期短字符串格式符
*/
public static final String DATE_FORMAT_SHORT = "yyyy-MM-dd";
/**
* 日期紧凑串格式符
*/
public static final String DATE_FORMAT_COMPACTSHORT = "yyyyMMdd";
/**
* 紧凑格式的全字符串
*/
public static final String DATE_FORMAT_COMPACTFULL = "yyyyMMddHHmmss";
public static final String DATE_FORMAT_HHMMSS = "HH:mm:ss";
/**
* 得到当前日期
*
* @return 当前日期 yyyy-MM-dd HH:mm:ss格式
*/
public static String getCurDateTime() {
Calendar now = Calendar.getInstance(TimeZone.getDefault());
DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_FULL);
sdf.setTimeZone(TimeZone.getDefault());
return (sdf.format(now.getTime()));
}
/**
* 得到当前日期
*
* @return 当前日期
* @Format 日期格式, yyyy-MM-dd HH:mm:ss, 等
*/
public static String getCurDateTimeFormat(String Format) {
Calendar now = Calendar.getInstance(TimeZone.getDefault());
DateFormat sdf = new SimpleDateFormat(Format);
sdf.setTimeZone(TimeZone.getDefault());
return (sdf.format(now.getTime()));
}
/**
* 得到一个Date对象
*
* @return Date对象
* @throws ParseException
* @tdate 时间的字符串表示
* @format 日期格式, yyyy-MM-dd HH:mm:ss, 等
*/
public static Date getDate(String date, String format) throws ParseException {
SimpleDateFormat formatter = new SimpleDateFormat(format);
return formatter.parse(date);
}
/**
* 得到Date转换后的String
*
* @param date 时间的Date格式
* @param format 日期格式, yyyy-MM-dd HH:mm:ss, 等
* @return date 时间的String格式
*/
public static String getDateString(Date date, String format) {
SimpleDateFormat sdf = new SimpleDateFormat(format);
return sdf.format(date);
}
/**
* System.currentTimeMillis()时间格式化l
*
* @return
*/
public static String getTimeFromCurrent(long l) {
if (l == 0) return "";
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(l));
}
/**
* 得到当前星期几
*
* @return 当前的星期几, 如 "星期一"
*/
public static String getWeekDay() {
Calendar now = Calendar.getInstance(TimeZone.getDefault());
int r = now.get(Calendar.DAY_OF_WEEK);
if (r == Calendar.SUNDAY) {
return "星期日";
}
if (r == Calendar.MONDAY) {
return "星期一";
}
if (r == Calendar.TUESDAY) {
return "星期二";
}
if (r == Calendar.WEDNESDAY) {
return "星期三";
}
if (r == Calendar.THURSDAY) {
return "星期四";
}
if (r == Calendar.FRIDAY) {
return "星期五";
}
if (r == Calendar.SATURDAY) {
return "星期六";
}
return null;
}
/**
* 得到星期几
* yyyy_mm_dd 日期格式, yyyy-MM-dd
*
* @return 参数日期是星期几
* @throws ParseException
*/
public static String getWeekDay(String yyyy_mm_dd) throws ParseException {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
Date date = dateFormat.parse(yyyy_mm_dd);
;
Calendar cd = Calendar.getInstance();
cd.setTime(date);
int r = cd.get(Calendar.DAY_OF_WEEK);
if (r == Calendar.SUNDAY) {
return "星期日";
}
if (r == Calendar.MONDAY) {
return "星期一";
}
if (r == Calendar.TUESDAY) {
return "星期二";
}
if (r == Calendar.WEDNESDAY) {
return "星期三";
}
if (r == Calendar.THURSDAY) {
return "星期四";
}
if (r == Calendar.FRIDAY) {
return "星期五";
}
if (r == Calendar.SATURDAY) {
return "星期六";
}
return null;
}
/**
* 是否是今天
*
* @return 是今天则返回true
* @throws ParseException
* @yyyy_mm_dd 所判断的当前日期 yyyy-MM-dd
*/
public static boolean isCurrentDay(String yyyy_mm_dd) throws ParseException {
boolean bRet = false;
Calendar now = Calendar.getInstance(TimeZone.getDefault());
DateFormat sdf = new SimpleDateFormat(DATE_FORMAT_SHORT);
sdf.setTimeZone(TimeZone.getDefault());
Date date1 = sdf.parse(yyyy_mm_dd);
String strDate1 = sdf.format(date1);
String strDate2 = sdf.format(now.getTime());
bRet = strDate1.equalsIgnoreCase(strDate2);
return bRet;
}
/**
* 得到N分钟后的时间
*
* @return N分钟后的日期
* @throws ParseException
* @theDate 某日期 格式 yyyy-MM-dd HH:mm:ss 等
* @nMinutesNum N分钟
* @format 日期格式, yyyy-MM-dd HH:mm:ss, 等
*/
public static String afterNMinutesDate(String theDate, int nMinutesNum, String format) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat(format);
Date dd1 = sdf.parse(theDate);
Calendar cal = Calendar.getInstance();
cal.setTime(dd1);
cal.add(Calendar.MINUTE, nMinutesNum);
sdf.setTimeZone(TimeZone.getDefault());
return (sdf.format(cal.getTime()));
}
/**
* 得到N天后的日期
*
* @return N天后的日期
* @throws ParseException
* @theDate 某日期 格式 yyyy-MM-dd HH:mm:ss 等
* @nDayNum N天
* @format 日期格式, yyyy-MM-dd HH:mm:ss, 等
*/
public static String afterNDaysDate(String theDate, int nDayNum, String format) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat(format);
Date dd1 = sdf.parse(theDate);
Calendar cal = Calendar.getInstance();
cal.setTime(dd1);
cal.add(Calendar.DAY_OF_YEAR, nDayNum);
sdf.setTimeZone(TimeZone.getDefault());
return (sdf.format(cal.getTime()));
}
/**
* 得到N天前的日期
*
* @return N天前的日期
* @throws ParseException
* @theDate 某日期 格式 yyyy-MM-dd HH:mm:ss, 等
* @nDayNum N天
* @format 日期格式, yyyy-MM-dd HH:mm:ss, 等
*/
public static String beforeNDaysDate(String theDate, int nDayNum, String format) throws ParseException {
return afterNDaysDate(theDate, 0 - nDayNum, format);
}
/**
* 获取两个日期中间的天数
*
* @param yyyy_mm_dd_1 第一个日期(yyyy-MM-dd)
* @param yyyy_mm_dd_2 第二个日期(yyyy-MM-dd)
* @return daycount 前一个日期减去后一个日期的天数
* @throws ParseException
*/
public static int getDayCount(String yyyy_mm_dd_1, String yyyy_mm_dd_2) throws ParseException {
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
Date date = myFormatter.parse(yyyy_mm_dd_1);
Date mydate = myFormatter.parse(yyyy_mm_dd_2);
return (int) ((date.getTime() - mydate.getTime()) / (24 * 60 * 60 * 1000));
}
/**
* 获取本周一的日期
*
* @return 本周一的日期(字符串yyyy-MM-dd格式)
*/
public static String getMondayOFWeek() {
int mondayPlus = getMondayPlus();
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(GregorianCalendar.DATE, mondayPlus);
Date monday = currentDate.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String preMonday = sdf.format(monday);
return preMonday;
}
/**
* 获取当月第一天
*
* @return 当月的第一天(字符串yyyy-MM-dd格式)
*/
public static String getFirstDayOfMonth() {
String str = "";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar lastDate = Calendar.getInstance();
lastDate.set(Calendar.DATE, 1);//设为当前月的1号
str = sdf.format(lastDate.getTime());
return str;
}
/**
* 获取当月最后一天
*
* @return 当月的第一天(字符串yyyy-MM-dd格式)
*/
public static String getLastDayOfMonth() {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar ca = Calendar.getInstance();
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
String last = sdf.format(ca.getTime());
return last;
}
/**
* 获得本季度第一天
*
* @return 获得本季度第一天(字符串yyyy-MM-dd格式)
*/
public static String getFirstDayOfSeason() {
SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
String str = df.format(new Date());
//当前月份
int month = Integer.parseInt(str.substring(4, 6));
int array[][] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}, {10, 11, 12}};
int season = 1;
if (month >= 1 && month <= 3) {
season = 1;
}
if (month >= 4 && month <= 6) {
season = 2;
}
if (month >= 7 && month <= 9) {
season = 3;
}
if (month >= 10 && month <= 12) {
season = 4;
}
int start_month = array[season - 1][0];
int end_month = array[season - 1][2];
Date date = new Date();
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy");//可以方便地修改日期格式
String years = dateFormat.format(date);
int years_value = Integer.parseInt(years);
int start_days = 1;//years+"-"+String.valueOf(start_month)+"-1";//getLastDayOfMonth(years_value,start_month);
@SuppressWarnings("unused")
int end_days = getLastDayOfMonth(years_value, end_month);
// 本季度第一天
String seasonstartDate = years_value + "-" + (start_month < 10 ? "0" + start_month : start_month) + "-" + (start_days < 10 ? "0" + start_days : start_days);
// 本季度最后一天
// String seasonendDate = years_value+"-"+end_month+"-"+end_days;
return seasonstartDate;
}
/**
* 获取本年第一天的日期
*
* @return 本本年第一天的日期(字符串yyyy-MM-dd格式)
*/
public static String getFirstDayOfYear() {
int yearPlus = getYearPlus();
GregorianCalendar currentDate = new GregorianCalendar();
currentDate.add(GregorianCalendar.DATE, yearPlus);
Date yearDay = currentDate.getTime();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String preYearDay = sdf.format(yearDay);
return preYearDay;
}
/**
* 得到时间间隔(秒)
*
* @return
* @throws ParseException
* @date1,时间参数1
* @date2,时间参数2
* @format 时间格式, 如yyyy-MM-dd HH:mm:ss
*/
public static long getInters(String date1, String date2, String format) throws ParseException {
SimpleDateFormat formatter = new SimpleDateFormat(format);
Date d1 = formatter.parse(date1);
Date d2 = formatter.parse(date2);
long result = (d1.getTime() - d2.getTime()) / 1000;
if (result < 0) {
return -result;
} else {
return result;
}
}
public static boolean isStoockTime() {
if (getWeekDay().equals("星期六") || getWeekDay().equals("星期日")) {
return false;
}
String hhmmss = getCurDateTimeFormat(DateUtil.DATE_FORMAT_HHMMSS);
if (hhmmss.compareTo("09:15:00") > 0 && hhmmss.compareTo("11:30:00") < 0) {
return true;
}
if (hhmmss.compareTo("13:00:00") > 0 && hhmmss.compareTo("15:00:00") < 0) {
return true;
}
return false;
}
private static int getMondayPlus() {
Calendar cd = Calendar.getInstance();
// 获得今天是一周的第几天，星期日是第一天，星期二是第二天......
int dayOfWeek = cd.get(Calendar.DAY_OF_WEEK) - 1;//因为按中国礼拜一作为第一天所以这里减1
if (dayOfWeek == 1) {
return 0;
} else {
return 1 - dayOfWeek;
}
}
private static int getYearPlus() {
Calendar cd = Calendar.getInstance();
int yearOfNumber = cd.get(Calendar.DAY_OF_YEAR);//获得当天是一年中的第几天
cd.set(Calendar.DAY_OF_YEAR, 1);//把日期设为当年第一天
cd.roll(Calendar.DAY_OF_YEAR, -1);//把日期回滚一天。
int MaxYear = cd.get(Calendar.DAY_OF_YEAR);
if (yearOfNumber == 1) {
return -MaxYear;
} else {
return 1 - yearOfNumber;
}
}
private static boolean isLeapYear(int year) {
return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
}
private static int getLastDayOfMonth(int year, int month) {
if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8
|| month == 10 || month == 12) {
return 31;
}
if (month == 4 || month == 6 || month == 9 || month == 11) {
return 30;
}
if (month == 2) {
if (isLeapYear(year)) {
return 29;
} else {
return 28;
}
}
return 0;
}
/**
* 得到时间间隔（分)
*
* @return
* @throws ParseException
* @date1,时间参数1
* @date2,时间参数2
* @format 时间格式, 如yyyy-MM-dd HH:mm:ss
*/
public static long getMinutes(Date d1, Date d2) throws ParseException {
long result = (d1.getTime() - d2.getTime()) / 1000 / 60;
if (result < 0) {
return -result;
} else {
return result;
}
}
/**
* 得到N天后的日期
*
* @return N天后的日期
* @throws ParseException
* @theDate 某日期 格式 yyyy-MM-dd HH:mm:ss 等
* @nDayNum N天
*/
public static Date afterNDaysDate(Date theDate, int nDayNum) {
Calendar cal = Calendar.getInstance();
cal.setTime(theDate);
cal.add(Calendar.DAY_OF_YEAR, nDayNum);
return cal.getTime();
}
/**
* 得到N天前的日期
*
* @return N天后的日期
* @throws ParseException
* @theDate 某日期 格式 yyyy-MM-dd HH:mm:ss 等
* @nDayNum N天
*/
public static Date beforeNDaysDate(Date theDate, int nDayNum) {
return afterNDaysDate(theDate, -nDayNum);
}
/**
* 得到N秒后的日期
*
* @param theDate
* @param nSecNum
* @return
* @throws ParseException
*/
public static Date afterNSecDate(Date theDate, int nSecNum) {
Calendar cal = Calendar.getInstance();
cal.setTime(theDate);
cal.add(Calendar.SECOND, nSecNum);
return cal.getTime();
}
public static Date beforeNSecDate(Date theDate, int nSecNum) {
return afterNSecDate(theDate, -nSecNum);
}
public static Date afterNMinutesDate(Date theDate, int nMinutesNum) {
Calendar cal = Calendar.getInstance();
cal.setTime(theDate);
cal.add(Calendar.MINUTE, nMinutesNum);
return cal.getTime();
}
/**
* 获取几分钟之前的时间
*
* @return
* @throws ParseException
*/
public static Date beforeNMinutesDate(Date theDate, int nMinutesNum) {
return afterNMinutesDate(theDate, -nMinutesNum);
}
/**
* 得到N月后的日期
*
* @return N天后的日期
* @throws ParseException
* @theDate 某日期 格式 yyyy-MM-dd HH:mm:ss 等
* @nDayNum N天
*/
public static Date afterNMonthsDate(Date theDate, int nMonthNum) {
Calendar cal = Calendar.getInstance();
cal.setTime(theDate);
cal.add(Calendar.MONTH, nMonthNum);
return cal.getTime();
}
public static Date beforeNMonthsDate(Date theDate, int nMonthNum) {
return afterNMonthsDate(theDate, -nMonthNum);
}
}