DateUtil 工具类

package org.platform.utils.date;


import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;


import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


/**
 * 作者：L_X
 */
public class DateUtil
{
private final static Logger log = LoggerFactory.getLogger(DateUtil.class);
private static String defaultDatePattern = "yyyy-MM-dd HH:mm:ss";
/***
* 时间格式：yyyy/MM/dd HH:mm:ss
* **/
public static final String YYYYMMDDHHMMSS = "yyyy/MM/dd HH:mm:ss";
/***
* 时间格式：yyyy/MM/dd
* **/
public static final String YYYYMMDD = "yyyy/MM/dd";
/***
* 时间格式：yyyy MM dd HH:mm:ss
* **/
public static final String YYYY_MM_DD_HH_MM_SS = "yyyy MM dd HH:mm:ss";
/***
* 时间格式：yyyyMMddHHmmss
* **/
/***
* 时间格式：yyyyMMddHHmmssSSSS
* **/
public static final String YYYY_MM_DD_HH_MM_SS_SSSS = "yyyyMMddHHmmssSSSS";
/***
* 时间格式：yyyyMMdd
* **/
public static final String strYyyyMmDd = "yyyyMMdd";


/***
* 时间格式：yyyy-MM-dd HH:mm:ss
* **/
public static final String STR_YYYY_MM_DD_TMP = "yyyy-MM-dd HH:mm:ss";


/***
* 时间格式：yyyyMM
* **/
public static final String STR_YYYY_MM = "yyyyMM";
/***
* 时间格式：yyyy-MM-dd
* **/
public static final String STR_YYYY_MM_DD = "yyyy-MM-dd";


/***
* 时间格式：yyyyMM
* **/
public static final String STR_YYYY_MM_DD_STR = "yyyy年MM月dd日";


/***
* 时间格式：ddMMMyy
* **/
public static final String STR_DDMMMYY = "ddMMMyy";


/***
* 时间格式：HH:mm
* **/
public static final String STR_HH_MM = "HH:mm";

/***
* 时间格式：HHmm
* **/
public static final String STR_HHMM = "HHmm";


/***
* 时间格式：yyyy-MM-dd HH:mm
* **/
public static final String STR_YYYY_MM_DD_HH_MM = "yyyy-MM-dd HH:mm";
/**
* 时间格式：HH:mm:ss
*/
public static final String STR_HH_MM_SS = "HH:mm:ss";


public static String getDefaultDatePattern()
{
return DateUtil.defaultDatePattern;
}


/**
* 当前时间
* 
* @return
*/
public static String getNow()
{
final Date now = new Date();
return DateUtil.format(now);
}


/**
* Date转为字符串 格式：2011-01-11 17:30:30
* 
* @param date
* @return
*/
public static String format(final Date date)
{
return DateUtil.format(date, DateUtil.getDefaultDatePattern());
}


public static String getYear()
{
final Date now = new Date();
final String pat = "yyyy";
final SimpleDateFormat sdf = new SimpleDateFormat(pat);
return sdf.format(now);
}


/**
* Date转为字符串
* 
* @param date
* @param pattern
* @return
*/
public static String format(final Date date, final String pattern)
{
String returnValue = "";
// System.out.println(pattern);
// System.out.println(date);
if (null != date)
{
final SimpleDateFormat df = new SimpleDateFormat(pattern);
returnValue = df.format(date);
}


return returnValue;
}


public static String format(final Date date, final String pattern, Locale local)
{
String returnValue = "";
// System.out.println(pattern);
// System.out.println(date);
if (null != date)
{
final SimpleDateFormat df = new SimpleDateFormat(pattern, local);
returnValue = df.format(date);
}


return returnValue;
}


/**
* 字符串转为Date 默认的时间格式"yyyy-MM-dd HH:mm:ss"
* 
* @param strDate
* @return
* @throws ParseException
*/
public static Date parse(final String strDate)
{
return DateUtil.parse(strDate, DateUtil.getDefaultDatePattern());
}


/**
* 字符串转为Date 指定时间格式
* 
* @param strDate
* @param pattern
* @return
* @throws ParseException
*/
public static Date parse(final String strDate, final String pattern)
{
if (strDate == null)
{
return null;
}
final SimpleDateFormat df = new SimpleDateFormat(pattern);
try
{
return df.parse(strDate);
} catch (final ParseException e)
{
// log.error("转换失败,时间字符串和时间格式不匹配，strDate=" + strDate + " pattern="+ pattern);
return null;
}
}


public static Date parse4English(final String strDate, final String pattern)
{
final SimpleDateFormat df = new SimpleDateFormat(pattern, Locale.ENGLISH);
try
{
return df.parse(strDate);
} catch (final ParseException e)
{
// log.error("转换失败,时间字符串和时间格式不匹配，strDate=" + strDate + " pattern="+ pattern);
return null;
}
}


/**
* 加n年
* 
* @param date
* @param n
* @return
*/
public static Date addYear(final Date date, final int n)
{
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.YEAR, n);
return cal.getTime();
}


/**
* 加n月
* 
* @param date
* @param n
* @return
*/
public static Date addMonth(final Date date, final int n)
{
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.MONTH, n);
return cal.getTime();
}


/**
* 加n天
* 
* @param date
* @param n
* @return
*/
public static Date addDay(final Date date, final int n)
{
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.DAY_OF_YEAR, n);
return cal.getTime();
}


/**
* 加n分
* 
* @param date
* @param n
* @return
*/
public static Date addMinute(final Date date, final int n)
{
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.MINUTE, n);
return cal.getTime();
}


/**
* 加n时
* 
* @param date
* @param n
* @return
*/
public static Date addHour(final Date date, final int n)
{
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.HOUR_OF_DAY, n);
return cal.getTime();
}


/**
* 加n秒
* 
* @param date
* @param n
* @return
*/
public static Date addSecond(final Date date, final int n)
{
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
cal.add(Calendar.SECOND, n);
return cal.getTime();
}


/**
* 获取当前时间ms
* 
* @return
*/
public static long getCurrentTimes()
{
return System.currentTimeMillis();
}


/**
* 将Date转化为Timestamp
* 
* @param date
* @return
*/
public static Timestamp dateToTimestamp(final Date date)
{
final Timestamp timestamp = new Timestamp(date.getTime());
return timestamp;
}


/**
* 当前时间早于比较时间
* 
* @param date
* @return
*/
public static boolean before(Date date)
{
Calendar future = Calendar.getInstance();
future.setTime(date);
return Calendar.getInstance().before(future);
}


/**
* 当前时间晚于比较时间
* 
* @param date
* @return
*/
public static boolean after(Date date)
{
Calendar future = Calendar.getInstance();
future.setTime(date);
return Calendar.getInstance().after(future);
}


/**
* date1时间晚于比较时间date2
* 
* @param date
* @return
*/
public static boolean after(Date date1, Date date2)
{
Calendar cal = Calendar.getInstance();
Calendar future = Calendar.getInstance();
cal.setTime(date1);
future.setTime(date2);
return cal.after(future);
}


/**
* date1时间早于比较时间date2
* 
* @param date
* @return
*/
public static boolean before(Date date1, Date date2)
{
Calendar cal = Calendar.getInstance();
Calendar future = Calendar.getInstance();
cal.setTime(date1);
future.setTime(date2);
return cal.before(future);
}

/**
* date1时间晚于或扽股比较时间date2
* 
* @param date
* @return
*/
public static boolean afterOrEquals(Date date1, Date date2)
{
Calendar cal = Calendar.getInstance();
Calendar future = Calendar.getInstance();
cal.setTime(date1);
future.setTime(date2);
return cal.after(future)||cal.equals(future);
}


/**
* date1时间早于比较时间date2
* 
* @param date
* @return
*/
public static boolean beforeOrEquals(Date date1, Date date2)
{
Calendar cal = Calendar.getInstance();
Calendar future = Calendar.getInstance();
cal.setTime(date1);
future.setTime(date2);
return cal.before(future)||cal.equals(future);
}


/**
* date1早于date2,date2时间早于date3
* 
* @param date
* @return
*/
public static boolean between(Date date1, Date date2, Date date3)
{
Calendar cal = Calendar.getInstance();
Calendar mid = Calendar.getInstance();
Calendar future = Calendar.getInstance();
cal.setTime(date1);
mid.setTime(date2);
future.setTime(date3);
int compareToBefore = mid.compareTo(cal);
int compareToAfter = mid.compareTo(future);
return (compareToBefore >= 0) && (compareToAfter <= 0);//大于等于and小于等于
// return cal.before(mid)&&mid.before(future);//大于and小于
}


public static Long daysBetween(String date1, String date2)
{
SimpleDateFormat sdfDate = new SimpleDateFormat("yyyy-MM-dd");
Long day = Long.valueOf(0);
Calendar cal = Calendar.getInstance();
try
{
cal.setTime(sdfDate.parse(date1));
long time1 = cal.getTimeInMillis();
cal.setTime(sdfDate.parse(date2));
long time2 = cal.getTimeInMillis();
long between_days = (time2 - time1) / 86400000L;
day = Long.valueOf(between_days);
} catch (ParseException e)
{
// TODO Auto-generated catch block
log.error("DateUtil操作错误:",e);
}
return day;
}


/**
* 时间天数差
* @param date1
* @param date2
* @return
* @Luoml
*/
public static Long daysDiffer(Date date1, Date date2)
{
Calendar cal = Calendar.getInstance();
cal.setTime(date1);
long time1 = cal.getTimeInMillis();
cal.setTime(date2);
long time2 = cal.getTimeInMillis();
long between_days = (time2 - time1) / 86400000L;
Long day = Long.valueOf(between_days);
return day;
}


/**
* 时间间隔分钟数
* @param date1
* @param date2
* @return
* @Luoml
*/
public static Long daysDifferMinute(Date date1, Date date2)
{
Calendar cal = Calendar.getInstance();
cal.setTime(date1);
long time1 = cal.getTimeInMillis();
cal.setTime(date2);
long time2 = cal.getTimeInMillis();
long betweenDays = (time2 - time1) / (1000 * 60);
Long minute = Long.valueOf(betweenDays);
return minute;
}


public static String dateStringToHost(String str, String format, String hostFormat, Locale locale)
{
if (StringUtils.isEmpty(str))
{
return null;
}
if (StringUtils.isEmpty(format))
{
format = STR_DDMMMYY;
}
if (locale == null)
{
locale = Locale.US;
}
Date date = parse(str, format);
String res = format(date, hostFormat, locale);
if (StringUtils.isNotEmpty(res))
{
res = res.toUpperCase();
}


return res;
}


/**
* 星期
* @param date
* @return
* @Luoml
*/
public static String getWeek(Date date)
{
String[] weekDays =
{ "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
if (w < 0)
w = 0;
return weekDays[w];
}


public static int getIntWeek(Date date)
{
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
if (w < 0)
w = 0;
return w;
}


/**
* @Function: org.platform.utils.date.DateUtil.getBirthDay
* @Description: 根据身份证号码获得 出生日期
* @param idCardNo
* @return
* @version:v1.0
* @author:桂银
* @date:2016年9月27日 上午10:44:06
*/
public static Date getBirthDay(String idCardNo)
{
Date birthDay = null;
try{
if (StringUtils.isNotEmpty(idCardNo))
{
idCardNo = idCardNo.substring(6, 14);
birthDay = DateUtil.parse(idCardNo, DateUtil.strYyyyMmDd);
}
}catch(Exception e){

}

return birthDay;
}


public static String getBirthDayStr(String idCardNo)
{
String birthDay = null;
if (StringUtils.isNotEmpty(idCardNo))
{
birthDay = idCardNo.substring(6, 14);
}
return birthDay;
}


public static long minsDiffer(String date1, String date2)
{
long time2 = DateUtil.parse(date2, STR_YYYY_MM_DD_HH_MM).getTime();
long time1 = DateUtil.parse(date1, STR_YYYY_MM_DD_HH_MM).getTime();
long between_min = (time2 - time1) / (1000 * 60);
return between_min;
}


public static long hoursDiffer(String date1, String date2)
{
long time2 = DateUtil.parse(date2, STR_YYYY_MM_DD_HH_MM).getTime();
long time1 = DateUtil.parse(date1, STR_YYYY_MM_DD_HH_MM).getTime();
long between_hour = (time2 - time1) / (1000 * 60 * 60);
return between_hour;
}


/**
* @Function: org.platform.utils.date.DateUtil.formatTrans
* @Description: 两个格式转换
* @param dateStr
* @param format1 原格式
* @param format2 目标格式
* @return
* @version:v1.0
* @author:GuiY
* @date:2017年7月4日 下午12:39:53
*/
public static String formatTrans(String dateStr, String format1, String format2)
{
if (StringUtils.isNotEmpty(dateStr))
{
Date date = DateUtil.parse(dateStr, format1);
return DateUtil.format(date, format2);
}
return "";
}
public static String formatTrans(String dateStr, String format1, String format2,Locale local)
{
if (StringUtils.isNotEmpty(dateStr))
{
Date date = DateUtil.parse(dateStr, format1);
return DateUtil.format(date, format2,local);
}
return "";
}
/**
* 
* @Title: isValidDate 判断时间格式是否为指定格式
* @Author: lizhenglong 2017年7月28日 下午5:05:50
* @param str
* @param formatPattern
* @return
*/
public static boolean isValidDate(String str, String formatPattern)
{
DateFormat formatter = new SimpleDateFormat(formatPattern);
try
{
Date date = formatter.parse(str);
return str.equals(formatter.format(date));
} catch (Exception e)
{
return false;
}
}


/**
* 时区时间转换
* @param dateStr
* @return
*/
public static String areaDateFormat(String dateStr){
  //此格式只有  jdk 1.7才支持  yyyy-MM-dd'T'HH:mm:ss.SSSXXX          
  DateFormat df2 = null;
  Date date1 = null;
try {
DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");  //yyyy-MM-dd'T'HH:mm:ss.SSSZ
Date date = df.parse(dateStr);
SimpleDateFormat df1 = new SimpleDateFormat ("EEE MMM dd HH:mm:ss Z yyyy", Locale.UK);
date1 =  df1.parse(date.toString());
df2 = new SimpleDateFormat(STR_YYYY_MM_DD);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
  return df2.format(date1);
}
}