package com.xxx.core.util;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import org.apache.commons.lang.time.DateUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class DateUtil {
private static final Log logger = LogFactory.getLog(DateUtil.class);
/**
* 设置当前时间为当天的最初时间（即00时00分00秒）
*
* @param cal
* @return
*/
public static Calendar setStartDay(Calendar cal) {
cal.set(Calendar.HOUR_OF_DAY, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
return cal;
}
public static Calendar setEndDay(Calendar cal) {
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal;
}
/**
* 把源日历的年月日设置到目标日历对象中
*
* @param destCal
* @param sourceCal
*/
public static void copyYearMonthDay(Calendar destCal, Calendar sourceCal) {
destCal.set(Calendar.YEAR, sourceCal.get(Calendar.YEAR));
destCal.set(Calendar.MONTH, sourceCal.get(Calendar.MONTH));
destCal.set(Calendar.DAY_OF_MONTH, sourceCal.get(Calendar.DAY_OF_MONTH));
}
/**
* 格式化日期为
*
* @return
*/
public static String formatEnDate(Date date) {
SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy hh:mm:ss a");
return sdf.format(date).replaceAll("上午", "AM").replaceAll("下午", "PM");
}
public static Date parseDate(String dateString) {
Date date = null;
try {
date = DateUtils.parseDate(dateString, new String[] { StringPool.DATE_FORMAT_DATETIME, StringPool.DATE_FORMAT_DATE });
} catch (Exception ex) {
logger.error("Pase the Date(" + dateString + ") occur errors:" + ex.getMessage());
}
return date;
}
/**
* 日期加一天
*
* @param date
* @return
*/
/* public static String addOneDay(String date) {
DateFormat format = new SimpleDateFormat(StringPool.DATE_FORMAT_DATE);
Calendar calendar = Calendar.getInstance();
try {
Date dd = format.parse(date);
calendar.setTime(dd);
calendar.add(Calendar.DAY_OF_MONTH, 1);
} catch (ParseException e) {
e.printStackTrace();
}
String tmpDate = format.format(calendar.getTime());
return tmpDate.substring(5, 7) + "/" + tmpDate.substring(8, 10) + "/" + tmpDate.substring(0, 4);
}*/
/**
* 加一小时
*
* @param date
* @return
*/
public static String addOneHour(String date) {
String amPm = date.substring(20, 22);
DateFormat format = new SimpleDateFormat(StringPool.DATE_FORMAT_DATETIME);
Calendar calendar = Calendar.getInstance();
int hour = Integer.parseInt(date.substring(11, 13));
try {
if (amPm.equals("PM")) {
hour += 12;
}
date = date.substring(0, 11) + (hour >= 10 ? hour : "0" + hour) + date.substring(13, 19);
Date dd = format.parse(date);
calendar.setTime(dd);
calendar.add(Calendar.HOUR_OF_DAY, 1);
} catch (ParseException e) {
e.printStackTrace();
}
String tmpDate = format.format(calendar.getTime());
hour = Integer.parseInt(tmpDate.substring(11, 13));
amPm = hour >= 12 && hour != 0 ? "PM" : "AM";
if (amPm.equals("PM")) {
hour -= 12;
}
tmpDate = tmpDate.substring(5, 7) + "/" + tmpDate.substring(8, 10) + "/" + tmpDate.substring(0, 4) + " " + (hour >= 10 ? hour : "0" + hour) + tmpDate.substring(13, tmpDate.length()) + " " + amPm;
return tmpDate;
}
/**
* 标准时间格式转为时间字符格式
*
* @param timeStr
* eg:Mon Feb 06 00:00:00 CST 2012
* @return
*/
public static String timeStrToDateStr(String timeStr) {
String dateStr = timeStr.substring(24, 28) + "-";
String mon = timeStr.substring(4, 7);
if (mon.equals("Jan")) {
dateStr += "01";
} else if (mon.equals("Feb")) {
dateStr += "02";
} else if (mon.equals("Mar")) {
dateStr += "03";
} else if (mon.equals("Apr")) {
dateStr += "04";
} else if (mon.equals("May")) {
dateStr += "05";
} else if (mon.equals("Jun")) {
dateStr += "06";
} else if (mon.equals("Jul")) {
dateStr += "07";
} else if (mon.equals("Aug")) {
dateStr += "08";
} else if (mon.equals("Sep")) {
dateStr += "09";
} else if (mon.equals("Oct")) {
dateStr += "10";
} else if (mon.equals("Nov")) {
dateStr += "11";
} else if (mon.equals("Dec")) {
dateStr += "12";
}
dateStr += "-" + timeStr.substring(8, 10);
return dateStr;
}
/**
* 根据日期得到星期多余天数
*
* @param sDate
* @return
*/
public static int getExtraDayOfWeek(String sDate) {
try {
SimpleDateFormat format = new SimpleDateFormat(StringPool.DATE_FORMAT_DATE);
Date date = format.parse(sDate);
String weekday = date.toString().substring(0, 3);
if (weekday.equals("Mon")) {
return 1;
} else if (weekday.equals("Tue")) {
return 2;
} else if (weekday.equals("Wed")) {
return 3;
} else if (weekday.equals("Thu")) {
return 4;
} else if (weekday.equals("Fri")) {
return 5;
} else if (weekday.equals("Sat")) {
return 6;
} else {
return 0;
}
} catch (Exception ex) {
return 0;
}
}
public static int dayForWeek(Date date) {
return dayForWeek(date, 1);
}
public static int dayForWeek(Date date, int firstDay) {
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
if (firstDay == 0)
return dayOfWeek;
return dayOfWeek == 1 ? 7 : dayOfWeek - 1;
}
public static void main(String[] args) throws Exception {
Date date = DateFormatUtil.parseDate("2015-08-02");
System.out.println(dayForWeek(date));
}
/**
* 根据日期得到星期多余天数
*
* @param sDate
* @return
*/
public static String getDateWeekDay(String sDate) {
try {
SimpleDateFormat format = new SimpleDateFormat(StringPool.DATE_FORMAT_DATE);
Date date = format.parse(sDate);
String weekday = date.toString().substring(0, 3);
// format.format(date)+" "+
return weekday;
} catch (Exception ex) {
return "";
}
}
/**
* 取得上下五年
*
* @param cal
* @return
*/
public static List<String> getUpDownFiveYear(Calendar cal) {
List<String> yearlist = new ArrayList<String>();
int curyear = cal.get(Calendar.YEAR);
yearlist.add(String.valueOf(curyear - 2));
yearlist.add(String.valueOf(curyear - 1));
yearlist.add(String.valueOf(curyear));
yearlist.add(String.valueOf(curyear + 1));
yearlist.add(String.valueOf(curyear + 2));
return yearlist;
}
/**
* 取得12个月
*
* @param cal
* @return
*/
public static List<String> getTwelveMonth() {
List<String> monthlist = new ArrayList<String>();
for (int idx = 1; idx <= 12; idx++) {
monthlist.add(String.valueOf(idx));
}
return monthlist;
}
/**
* 得到两日期间所有日期
*
* @param startTime
* @param endTime
* @return
* @throws Exception
*/
public static String[] getDaysBetweenDate(String startTime, String endTime) {
String[] dateArr = null;
try {
String stime = timeStrToDateStr(startTime);
String etime = timeStrToDateStr(endTime);
// 日期相减算出秒的算法
Date date1 = new SimpleDateFormat(StringPool.DATE_FORMAT_DATE).parse(stime);
Date date2 = new SimpleDateFormat(StringPool.DATE_FORMAT_DATE).parse(etime);
long day = (date1.getTime() - date2.getTime()) / (24 * 60 * 60 * 1000) > 0 ? (date1.getTime() - date2.getTime()) / (24 * 60 * 60 * 1000) : (date2.getTime() - date1.getTime()) / (24 * 60 * 60 * 1000);
dateArr = new String[Integer.valueOf(String.valueOf(day + 1))];
for (int idx = 0; idx < dateArr.length; idx++) {
if (idx == 0) {
dateArr[idx] = stime;
} else {
stime = addOneDay(stime);
stime = stime.substring(6, 10) + "-" + stime.substring(0, 2) + "-" + stime.substring(3, 5);
dateArr[idx] = stime;
}
}
} catch (ParseException e) {
e.printStackTrace();
}
return dateArr;
}
/**
* 获取当月第一天
*
* @return
*/
public static Date getMonthFirstDay() {
Calendar ca = Calendar.getInstance();
ca.set(Calendar.DAY_OF_MONTH, 1);
return ca.getTime();
}
/**
* 获取当月最后一天
*
* @return
*/
public static Date getMonthLastDay() {
Calendar ca = Calendar.getInstance();
ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
return ca.getTime();
}
/**
* 根据年月获取当月最后一天
*
* @param yearmonth
* yyyy-MM
* @return yyyy-MM-dd
* @throws ParseException
*/
public static String getLastDayOfMonth(String yearmonth) {
try {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM");
Date dd = format.parse(yearmonth);
Calendar cal = Calendar.getInstance();
cal.setTime(dd);
int cc = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
String result = yearmonth + "-" + cc;
return result;
} catch (ParseException e) {
e.printStackTrace();
}
return null;
}
/**
* 字符串的日期加上一天，在返回字符串
*/
public String addOneDay(String countdate) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setTime(sdf.parse(countdate));
c.add(Calendar.DATE, 1);
String rtn = sdf.format(c.getTime());
return rtn;
}
/**
*
* 字符串的日期加上一天，在返回字符串
*/
public String subOneDay(String countdate) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar c = Calendar.getInstance();
c.setTime(sdf.parse(countdate));
c.add(Calendar.DATE, -1);
String rtn = sdf.format(c.getTime());
return rtn;
}
}
