package com.hxqc.basic.dependency.util;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
public class DateConvertUtil {
public static final String DATE_FORMAT = "yyyy-MM-dd";
public static final String TIME_FORMAT = "HH:mm:ss";
public static final String DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
public static final String DATE_TIME_FORMAT_SHORT = "yyyy-MM-dd HH:mm";
public static final String TIMESTATMP_FORMAT = "yyyy-MM-dd HH:mm:ss.S";
public static SimpleDateFormat year_format = new SimpleDateFormat("yyyy");
public static SimpleDateFormat default_format = new SimpleDateFormat(
"yyyy-MM-dd");
public static SimpleDateFormat common_format = new SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");
public static SimpleDateFormat time_format = new SimpleDateFormat(
"yyyyMMddHHmmss");
/**
* 得到当前时间,返回long型
*
* @return String
*/
public static long generateLongTime() {
Date dt = new Date();
return dt.getTime();
}
/**
* 得到当前时间,格式为yyyyMMddhhmmss
*
* @return String
*/
public static String generateTime() {
SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss");
return format.format(new Date());
}
/**
* 根据格式生成当前日期时间
*
* @param formatStr
* @return
*/
public static String generateDateTime(String formatStr) {
SimpleDateFormat format = new SimpleDateFormat(formatStr);
return format.format(new Date());
}
public static String generateDateTimeAddHour(int addHour, String formatstr) {
Calendar cal = Calendar.getInstance();
cal.add(Calendar.HOUR_OF_DAY, addHour);
SimpleDateFormat format = new SimpleDateFormat(formatstr);
return format.format(cal.getTime());
}
/**
* 根据格式生成日期时间
*
* @param date
* @param formatStr
* @return
*/
public static String generateDateTime(Date date, String formatStr) {
SimpleDateFormat format = new SimpleDateFormat(formatStr);
return format.format(date);
}
/**
* 根据yyyy-MM-dd得到月份
*
* @param dateString String
* @return int
*/
public static int getMonthFromDate(String dateString) {
Date date = string2Date(dateString);
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
//System.out.println("calendar.setTime::::" + (calendar.get(Calendar.WEEK_OF_YEAR)));
return calendar.get(Calendar.MONTH) + 1;
}
/**
* 根据yyyy-MM-dd得到月份
*
* @param dateString String
* @return int
*/
public static int getYearFromDate(String dateString) {
Date date = string2Date(dateString);
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
// System.out.println("calendar.setTime::::" + (calendar.get(Calendar.WEEK_OF_YEAR)));
return calendar.get(Calendar.YEAR);
}
/**
* 得到指定年的所有天数
*
* @param year String
* @return day int
*/
public static int getDayFromYear(String year) {
Date date;
int day = 0;
try {
date = year_format.parse(year);
Calendar calendar = new GregorianCalendar();
calendar.setTime(date);
day = calendar.getActualMaximum(Calendar.DAY_OF_YEAR);
} catch (ParseException e) {
}
return day;
}
/**
* 返回下一年_格式yyyy
*
* @return int
*/
public static int getNextYear() {
return new GregorianCalendar().get(Calendar.YEAR) + 1;
}
/**
* 获取某年第一天日期_格式yyyy-MM-dd
*
* @param year 年份
* @return String
*/
public static String getCurrYearFirstDay(int year) {
Calendar calendar = Calendar.getInstance();
calendar.clear();
calendar.set(Calendar.YEAR, year);
Date currYearFirst = calendar.getTime();
return default_format.format(currYearFirst);
}
/**
* 根据一个日期，返回是星期几的数字_星期一:1....星期六:6,星期天:7， 注意：日期输错，不会报错，例如：2月30或31号
*
* @param date 日期值
* @return int
*/
public static int getWeek(Date date) {
Calendar c = Calendar.getInstance();
c.setTime(date);
System.out.println("c.get(Calendar.DAY_OF_WEEK)::::"
+ c.get(Calendar.DAY_OF_WEEK));
int iDay = 0;
if (c.get(Calendar.DAY_OF_WEEK) == 1) {
iDay = 7;
} else {
iDay = c.get(Calendar.DAY_OF_WEEK) - 1;
}
return iDay;
}
/**
* 根据一个日期，返回是星期几的数字_星期一:1....星期六:6,星期天:7， 注意：日期输错，不会报错，例如：2月30或31号
*
* @param dateString String
* @return int
*/
public static int getWeek(String dateString) {
Date date = string2Date(dateString);
Calendar c = Calendar.getInstance();
c.setTime(date);
int iDay = 0;
if (c.get(Calendar.DAY_OF_WEEK) == 1) {
iDay = 7;
} else {
iDay = c.get(Calendar.DAY_OF_WEEK) - 1;
}
return iDay;
}
/**
* 根据一个日期,传入指定天数,想要返回长度,得到String
*
* @param inDate 日期
* @param days 天数
* @param _iType inDate长度
* @return String
*/
public static String getDateByAddDays(String inDate, int days, int _iType) {
Date dateStr = string2Date(inDate);
Date tempDate = getDateByAddDays(dateStr, days);
return date2String(tempDate, _iType);
}
/**
* 根据Date日期,传入返回长度,得到String
*
* @param date Date
* @param _iType 返回String长度
* @return String
*/
public static String date2String(Date date, int _iType) {
String strTemp = time_format.format(date);
SimpleDateFormat formatter = null;
switch (_iType) {
case 0: // yyyymmdd
strTemp = strTemp.substring(0, 8);
break;
case 4:// yyyy
strTemp = strTemp.substring(0, 4);
break;
case 6: // yymmdd
strTemp = strTemp.substring(2, 8);
break;
case 8: // yyyymmdd
strTemp = strTemp.substring(0, 8);
break;
case 14:
// yyyyMMddHHmmss 格式
break;
case 10: // yyyy-mm-dd
formatter = new SimpleDateFormat("yyyy-MM-dd");
strTemp = formatter.format(date);
break;
case 17:
formatter = new SimpleDateFormat("yyyyMMddHHmmssSSS");
strTemp = formatter.format(date);
break;
case 19: // yyyy-mm-dd HH:mm:ss
formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
strTemp = formatter.format(date);
break;
case -6: // HHmmss
strTemp = strTemp.substring(8);
break;
case -8: // HH:mm:ss
formatter = new SimpleDateFormat("HH:mm:ss");
strTemp = formatter.format(date);
break;
default:
break;
}
return strTemp;
}
/**
* 获得指定日期前后的日期，返回日期型值
*
* @param inDate 指定的日期
* @param days 加减天数
* @return Date
*/
public static Date getDateByAddDays(Date inDate, int days) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(inDate);
calendar.add(Calendar.DATE, days);
return calendar.getTime();
}
public static String getDateByAddDays(String formatStr, int days) {
SimpleDateFormat format = new SimpleDateFormat(formatStr);
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
calendar.add(Calendar.DATE, days);
return format.format(calendar.getTime());
}
//日期加减
public static String getDateSringByAddDays(String date, int days) {
SimpleDateFormat format = new SimpleDateFormat(DATE_FORMAT);
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(StringToDate(date, DATE_FORMAT));
calendar.add(Calendar.DATE, days);
return format.format(calendar.getTime());
}
//日期加减 isMonthStart=true:月初返回第一天 isMonthEnd=true:月末返回月最后一天
public static String getDateSringByAddDays(String date, int days, boolean isMonthStart, boolean isMonthEnd) {
if (DateConvertUtil.isMonthStart(date) && isMonthStart) {
return date;
}
if (DateConvertUtil.isMonthEnd(date) && isMonthEnd) {
return date;
}
SimpleDateFormat format = new SimpleDateFormat(DATE_FORMAT);
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(StringToDate(date, DATE_FORMAT));
calendar.add(Calendar.DATE, days);
return format.format(calendar.getTime());
}
public static Date getDateByAddMinutes(Date inDate, int minutes) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(inDate);
calendar.add(Calendar.MINUTE, minutes);
return calendar.getTime();
}
/**
* 获得指定日期前后的日期，返回日期格式
*
* @param inDate 指定日期
* @param month 加减月数
* @return
*/
public static Date getDateByAddMonth(Date inDate, int month) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(inDate);
calendar.add(Calendar.MONTH, month);
return calendar.getTime();
}
/**
* 当前日期的前后日期，返回字符串格式 yyyyMMddHHmmss
*
* @param month 加减月数
* @return
*/
public static String getCurrentByAddMonth(int month) {
Date d = getDateByAddMonth(new Date(), month);
return date2String(d, 14);
}
/**
* 将日期字符串转换成日期型，日期格式为"yyyy-MM-dd"
*
* @param dateString 指定的日期字符串，格式为yyyyMMdd 或者yyyy-MM-dd
* @return Date
* @author lijunchen
*/
public final static Date string2Date(String dateString) {
if (dateString == null || dateString.trim().length() == 0) {
return new Date(0);
}
// 处理不规范格式，例如：2013-1-2
if (dateString.indexOf("-") > 0) {
String month = dateString.substring(dateString.indexOf("-") + 1,
dateString.lastIndexOf("-"));
if (month.length() == 1) {
dateString = dateString.replace("-" + month + "-", "-0" + month
+ "-");
}
String day = dateString.substring(dateString.lastIndexOf("-") + 1,
dateString.length());
if (day.length() == 1) {
dateString = dateString.substring(0,
dateString.lastIndexOf("-") + 1)
+ "0" + day;
}
// System.out.println(dateString);
}
try {
String strFormat = "";
switch (dateString.length()) {
case 4:
strFormat = "yyyy";
break;
case 6: // yymmdd
strFormat = "yyMMdd";
break;
case 8: // yyyymmdd
strFormat = "yyyyMMdd";
break;
case 10: // yyyy-mm-dd
strFormat = "yyyy-MM-dd";
break;
case 14:
strFormat = "yyyyMMddHHmmss";
break;
default:
strFormat = "yyyy-MM-dd HH:mm:ss";
}
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(strFormat);
// 这里没有做非法日期的判断，比如：＂2007-05-33＂
java.util.Date timeDate = simpleDateFormat.parse(dateString);
return timeDate;
} catch (Exception e) {
return new Date(0);
}
}
/**
* 得到两个时间的差值，单位是小时
*
* @param beginDate
* @param endDate
* @return
*/
public static double getHourBetweenDates(Date beginDate, Date endDate) {
long l1 = endDate.getTime();
long l2 = beginDate.getTime();
double cc = l1 - l2;
return cc / (60 * 60 * 1000);
}
/**
* 得到两个时间的差值，单位是分钟
*
* @param beginDate
* @param endDate
* @return
*/
public static double getMinuteBetweenDates(Date beginDate, Date endDate) {
double cc = endDate.getTime() - beginDate.getTime();
return cc / (60 * 1000);
}
/**
* 根据Date日期,传入返回长度,得到String
*
* @param date Date
* @param _iType 返回String长度
* @return String
*/
public static String longDate2String(long lDate, int _iType) {
Date date = new Date(lDate);
String strTemp = time_format.format(date);
SimpleDateFormat formatter = null;
switch (_iType) {
case 0: // yyyymmdd
strTemp = strTemp.substring(0, 8);
break;
case 4:// yyyy
strTemp = strTemp.substring(0, 4);
break;
case 6: // yymmdd
strTemp = strTemp.substring(2, 8);
break;
case 8: // yyyymmdd
strTemp = strTemp.substring(0, 8);
break;
case 10: // yyyy-mm-dd
formatter = new SimpleDateFormat("yyyy-MM-dd");
strTemp = formatter.format(date);
break;
case -6: // HHmmss
strTemp = strTemp.substring(8);
break;
case -8: // HH:mm:ss
formatter = new SimpleDateFormat("HH:mm:ss");
strTemp = formatter.format(date);
break;
default:
break;
}
return strTemp;
}
public static int getDaysBetween(Date bDate, Date eDate) {
Calendar d1 = new GregorianCalendar();
d1.setTime(bDate);
Calendar d2 = new GregorianCalendar();
d2.setTime(eDate);
int days = d2.get(Calendar.DAY_OF_YEAR) - d1.get(Calendar.DAY_OF_YEAR);
int y2 = d2.get(Calendar.YEAR);
if (d1.get(Calendar.YEAR) != y2) {
d1 = (Calendar) d1.clone();
do {
days += d1.getActualMaximum(Calendar.DAY_OF_YEAR);// 得到当年的实际天数
d1.add(Calendar.YEAR, 1);
} while (d1.get(Calendar.YEAR) != y2);
}
return days;
}
/**
* 返回本年份_格式yyyy
*
* @return int
*/
public static int getCurrYear() {
return new GregorianCalendar().get(Calendar.YEAR);
}
/**
* 获得月份英文缩写
*
* @param sMonth String
* @return String
*/
public static String getMonthEnglishName(String sMonth) {
String[] arrMonth = {"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL",
"AUG", "SEP", "OCT", "NOV", "DEC"};
int iMonth = 0;
String sRet = "";
try {
iMonth = Integer.parseInt(sMonth);
if (iMonth >= 1 && iMonth <= 12) {
sRet = arrMonth[iMonth - 1];
}
} catch (Exception e) {
e.printStackTrace();
}
return sRet;
}
public static Date StringToDate(String dateStr, String formatStr) {
DateFormat dd = new SimpleDateFormat(formatStr);
Date date = null;
try {
date = dd.parse(dateStr);
} catch (ParseException e) {
e.printStackTrace();
}
return date;
}
public static int getBetweenDayNumber(Date dateA, Date dateB) {
long dayNumber = 0;
// 1小时=60分钟=3600秒=3600000
long mins = 60L * 1000L;
// long day= 24L * 60L * 60L * 1000L;计算天数之差
dayNumber = (dateB.getTime() - dateA.getTime()) / mins;
return (int) dayNumber;
}
/**
* 得到当前日期
*
* @return
*/
public static String getCurrentDate() {
Calendar c = Calendar.getInstance();
Date date = c.getTime();
SimpleDateFormat simple = new SimpleDateFormat("yyyy-MM-dd");
return simple.format(date);
}
public static String getCurrentTime() {
Calendar c = Calendar.getInstance();
Date date = c.getTime();
return common_format.format(date);
}
public static String getCron(Date date) {
String dateFormat = "ss mm HH dd MM ? yyyy";
return generateDateTime(date, dateFormat);
}
/**
* 按照用户提供的日期格式化输出日期数据
*
* @param date
* @param dateFormat
* @return
*/
public static String parseDateToString(Date date, String dateFormat) {
SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
return sdf.format(date);
}
public static boolean isMonthEnd(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.DATE) == calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
}
public static boolean isMonthStart(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.get(Calendar.DATE) == calendar.getActualMinimum(Calendar.DAY_OF_MONTH);
}
public static boolean isMonthEnd(String date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(StringToDate(date, "yyyy-MM-dd"));
return calendar.get(Calendar.DATE) == calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
}
public static boolean isMonthStart(String date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(StringToDate(date, "yyyy-MM-dd"));
return calendar.get(Calendar.DATE) == calendar.getActualMinimum(Calendar.DAY_OF_MONTH);
}
public static boolean isYearStart(String date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(StringToDate(date, "yyyy-MM-dd"));
return calendar.get(Calendar.DAY_OF_YEAR) == calendar.getActualMinimum(Calendar.DAY_OF_YEAR);
}
/**
* 获得去年最后一天
*
* @param String date
*/
public static String get1YearBeforeLastDay(String date) {
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.set(Calendar.YEAR, ca.get(Calendar.YEAR) - 1);
ca.set(Calendar.MONTH, 11);
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得前年最后一天
*
* @param String date
*/
public static String get2YearBeforeLastDay(String date) {
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.set(Calendar.YEAR, ca.get(Calendar.YEAR) - 2);
ca.set(Calendar.MONTH, 11);
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得上前年最后一天
*
* @param String date
*/
public static String get3YearBeforeLastDay(String date) {
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.set(Calendar.YEAR, ca.get(Calendar.YEAR) - 3);
ca.set(Calendar.MONTH, 11);
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得去年同期
*
* @param String date
*/
public static String getLastYearPeriod(String date) {
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.add(Calendar.MONTH, -12);
if (isMonthEnd(date)) {
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
}
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得前年同期
*
* @param String date
*/
public static String getLast2YearPeriod(String date) {
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.add(Calendar.MONTH, -24);
if (isMonthEnd(date)) {
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
}
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得上月同期
*
* @param String date
*/
public static String getLastMonthPeriod(String date) {
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.add(Calendar.MONTH, -1);
if (isMonthEnd(date)) {
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
}
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得上上月同期(保险单车环比)
*
* @param String date
*/
public static String getBeforeMonthPeriod(String date) {
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.add(Calendar.MONTH, -2);
if (isMonthEnd(date)) {
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
}
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得上年月度同期
*
* @param String date
*/
public static String getLastYearMonthPeriod(String date) {
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.add(Calendar.YEAR, -1);
if (isMonthEnd(date)) {
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
}
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得某年某月最后一天
*
* @param String date
*/
public static String getXYearXMonthLastDay(Integer year, Integer month) {
Calendar ca = Calendar.getInstance();
// ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.set(Calendar.YEAR, year);
ca.set(Calendar.MONTH, month - 1);
ca.set(Calendar.DAY_OF_MONTH, 1);
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
return parseDateToString(ca.getTime(), "yyyy-MM-dd");
}
/**
* 获得当年12个月的信息
*
* @param String date
* @param flag 是否截止到当月
*/
public static List<String> getCurrYearMonths(String date, boolean flag) {
List<String> monthList = new ArrayList<String>();
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
int month = flag ? ca.get(Calendar.MONTH) + 1 : 12;
int year = ca.get(Calendar.YEAR);
for (int i = 0; i < month; i++) {
ca = Calendar.getInstance();
ca.set(Calendar.YEAR, year);
ca.set(Calendar.MONTH, i);
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
monthList.add(parseDateToString(ca.getTime(), "yyyy-MM-dd"));
}
return monthList;
}
/**
* 获得当年12个月的信息
*
* @param String date
* @param flag 是否截止到当月
*/
public static List<String> get2YearMonths(String date, boolean flag) {
List<String> monthList = new ArrayList<String>();
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM-dd"));
ca.add(Calendar.YEAR, -1);
monthList.addAll(getCurrYearMonths(parseDateToString(ca.getTime(), "yyyy-MM-dd"), false));
ca.add(Calendar.YEAR, 1);
monthList.addAll(getCurrYearMonths(parseDateToString(ca.getTime(), "yyyy-MM-dd"), flag));
return monthList;
}
/**
* 获得当年有折扣的月分的信息
* 折扣用
*
* @param String date
*/
public static List<String> getCurrYearMonthsDis(String date) {
List<String> monthList = new ArrayList<String>();
Calendar ca = Calendar.getInstance();
ca.setTime(StringToDate(date, "yyyy-MM"));
int month = 0;
if (TestLastDay(date)) {
month = ca.get(Calendar.MONTH) + 1;
} else {
month = ca.get(Calendar.MONTH);
}
int year = ca.get(Calendar.YEAR);
for (int i = 0; i < month; i++) {
ca = Calendar.getInstance();
ca.set(Calendar.YEAR, year);
ca.set(Calendar.MONTH, i);
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
monthList.add(parseDateToString(ca.getTime(), "yyyy-MM"));
}
return monthList;
}
/*
* 将时间戳转换为时间
*/
public static String stampToDate(Long s) {
String res;
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
long lt = new Long(s);
Date date = new Date(lt);
res = simpleDateFormat.format(date);
return res;
}
/**
* 计算得到MongoDB存储的日期，（默认情况下mongo中存储的是标准的时间，中国时间是东八区，存在mongo中少8小时，所以增加8小时）
*
* @author: huyj
* @date: 2017年3月8日 上午9:26:23
* @param: @param
* date
* @return: Date
*/
public static Date getMongoDate(Date date) {
//SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:sss");
Calendar ca = Calendar.getInstance();
ca.setTime(date);
ca.add(Calendar.HOUR_OF_DAY, 8);//StringToDate(,format)
return ca.getTime();
//return String2Date(sdf.format(ca.getTime()),"");
}
/**
* 两个时间相差距离多少天多少小时多少分多少秒
*
* @param str1 时间参数 1 格式：1990-01-01 12:00:00
* @param str2 时间参数 2 格式：2009-01-01 12:00:00
* @return String 返回值为：xx天xx小时xx分xx秒
*/
public static String getDistanceTime(String str1, String str2) {
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date one;
Date two;
long day = 0;
long hour = 0;
long min = 0;
long sec = 0;
try {
one = df.parse(str1);
two = df.parse(str2);
long time1 = one.getTime();
long time2 = two.getTime();
long diff;
if (time1 < time2) {
diff = time2 - time1;
} else {
diff = time1 - time2;
}
day = diff / (24 * 60 * 60 * 1000);
hour = (diff / (60 * 60 * 1000) - day * 24);
min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
sec = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
} catch (ParseException e) {
e.printStackTrace();
}
//return day + "天" + hour + "小时" + min + "分" + sec + "秒";
return (day > 0 ? day + "天" : "")
+ (hour > 0 ? hour + "小时" : "")
+ (min > 0 ? min + "分" : "")
+ (sec > 0 ? sec + "秒" : "0秒");
}
/**
* 两个时间相差距离多少天多少小时多少分多少秒
*
* @param str1 时间参数 1 格式：1990-01-01 12:00:00
* @param str2 时间参数 2 格式：2009-01-01 12:00:00
* @return String 返回值为：xx天xx小时xx分xx秒
*/
public static String getDistanceTime(Long time1, Long time2) {
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date one;
Date two;
long day = 0;
long hour = 0;
long min = 0;
long sec = 0;
try {
long diff;
if (time1 < time2) {
diff = time2 - time1;
} else {
diff = time1 - time2;
}
day = diff / (24 * 60 * 60 * 1000);
hour = (diff / (60 * 60 * 1000) - day * 24);
min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
sec = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
} catch (Exception e) {
e.printStackTrace();
}
//return day + "天" + hour + "小时" + min + "分" + sec + "秒";
return (day > 0 ? day + "天" : "")
+ (hour > 0 ? hour + "小时" : "")
+ (min > 0 ? min + "分" : "")
+ (sec > 0 ? sec + "秒" : "0秒");
}
/**
* 两个时间相差距离多少天多少小时多少分多少秒
*
* @param str1 时间参数 1 格式：1990-01-01 12:00:00
* @param str2 时间参数 2 格式：2009-01-01 12:00:00
* @return String 返回值为：xx天xx小时xx分xx秒
*/
public static String getDistanceTime(Date date1, Date date2) {
Calendar cal = Calendar.getInstance();
cal.setTime(date1);
Long time1 = cal.getTimeInMillis();
cal.setTime(date2);
Long time2 = cal.getTimeInMillis();
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date one;
Date two;
long day = 0;
long hour = 0;
long min = 0;
long sec = 0;
try {
long diff;
if (time1 < time2) {
diff = time2 - time1;
} else {
diff = time1 - time2;
}
day = diff / (24 * 60 * 60 * 1000);
hour = (diff / (60 * 60 * 1000) - day * 24);
min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
sec = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
} catch (Exception e) {
e.printStackTrace();
}
// return day + "天" + hour + "小时" + min + "分" + sec + "秒";
return (day > 0 ? day + "天" : "")
+ (hour > 0 ? hour + "小时" : "")
+ (min > 0 ? min + "分" : "")
+ (sec > 0 ? sec + "秒" : "0秒");
}
/**
* 判断是否当月最后一天
*
* @param date
* @return
*/
public static boolean TestLastDay(String date) {
int lastDay = 0;
int now = 0;
try {
Date a = string2Date(date);
Calendar b = Calendar.getInstance();
b.setTime(a);
lastDay = b.getActualMaximum(Calendar.DAY_OF_MONTH);
now = b.get(Calendar.DAY_OF_MONTH);
} catch (Exception e) {
e.printStackTrace();
}
return (now == lastDay);
}
public static boolean isToday(String date, String format) {
SimpleDateFormat fmt = new SimpleDateFormat(format);
if (date.equals(fmt.format(new Date()).toString())) {//格式化为相同格式
return true;
} else {
return false;
}
}
/**
* 是否是当年当月
*
* @param date
* @param format
* @return <0： 小于某年某月
* =0：等于某年某月
* >0：大于某年某月
*/
public static Integer isCurrYearAndMonth(String date, int year, int month) {
Calendar cal = Calendar.getInstance();
cal.setTime(string2Date(date));
String year1 = String.valueOf(cal.get(Calendar.YEAR));
String month1 = String.valueOf(cal.get(Calendar.MONTH) + 1);
String _date1 = year1 + month1;
String _date2 = String.valueOf(year) + String.valueOf(month);
return Integer.parseInt(_date1) - Integer.parseInt(_date2);
}
public static void main(String rgs[]) {
/* System.out.println("去年年底:" + get1YearBeforeLastDay("2015-01-01"));
System.out.println("前年年底:" + get2YearBeforeLastDay("2015-01-01"));
System.out.println("去年同期:" + getLastYearPeriod("2017-12-31"));
System.out.println("上月同期:" + getLastMonthPeriod("2017-03-29"));
System.out.println("某年分月(截止到当月)" + getCurrYearMonths("2017-08-30", true));
System.out.println("某年分月(12个月)" + getCurrYearMonths("2017-08-30", false));
System.out.println("某年上年12个月+当年截止到当月" + get2YearMonths("2017-08-30", true));
System.out.println("某年上年12个月+当年12个月月" + get2YearMonths("2017-08-30", false));
System.out.println(getCurrYearMonthsDis("2016-01-31"));
System.out.println(getLastYearMonthPeriod("2016-03-02"));
System.out.println(isToday("2017-04-23",DATE_FORMAT));
System.out.println(getDateByAddDays("2017-03-01",-1,10));
System.out.println(isCurrYearAndMonth("2017-03-01",2017,03));
System.out.println(getYearFromDate("2017-02-15") );
System.out.println("sales_library,ybxs".split("[;]").length);*/
System.out.println(DateConvertUtil.getXYearXMonthLastDay(2017, 2));
System.out.println(getDateSringByAddDays("2017-12-31", -1,true,false));
System.out.println(getDateSringByAddDays("2017-12-01", -1,true,false));
System.out.println(getDateByAddDays("2017-06-01",-1,10));
System.out.println(isYearStart("2017-01-01"));
System.out.println(isMonthStart("2017-01-01"));
}
/**
* 判断当天是否为本月一号
*
* @return
*/
public static boolean earlyMonth(String date) throws Exception {
Calendar calendar = Calendar.getInstance();
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
Date time = simpleDateFormat.parse(date);
calendar.setTime(time);
int today = calendar.get(calendar.DAY_OF_MONTH);
if (today == 1) {
return true;
} else {
return false;
}
}
/**
* 获取昨天的日期
*
* @return
*/
public static String getYesterdayDate(String date) throws ParseException {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
Date time = new Date(simpleDateFormat.parse(date).getTime() - 24 * 60 * 60 * 1000);
return simpleDateFormat.format(time);
}
/**
* 判断是否为年的第一天
*
* @param date
* @return
* @throws ParseException
*/
public static boolean earlyYear(String date) throws ParseException {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
Date time = simpleDateFormat.parse(date);
Calendar calendar = Calendar.getInstance();
calendar.setTime(time);
calendar.set(Calendar.DATE, (calendar.get(Calendar.DATE)));
if (calendar.get(Calendar.DAY_OF_YEAR) == 1) {
return true;
}
return false;
}
/**
* @param
* @param 根据长度返回年份或月份 4年7月
* @return
*/
public static String getPlanYearOrMonth(String date, int length) {
return date.substring(0, length);
}
}
