package com.rnt.utils;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class DateUtil {

	 /**
	   * yyyy-MM-dd HH:mm:ss
	   */
	  public static final String EN_YEAR_MONTH_DAY_HOUR_MIN_SEC  = "yyyy-MM-dd HH:mm:ss";
	  /**
	   * yyyy-MM-dd HH:mm
	   */
	  public static final String EN_YEAR_MONTH_DAY_HOUR_MIN  = "yyyy-MM-dd HH:mm";
	  
	  /**
	   * yyyy-MM-dd HH
	   */
	  public static final String EN_YEAR_MONTH_DAY_HOUR  = "yyyy-MM-dd HH";
	  
	  /**
	   * yyyy-MM-dd
	   */
	  public static final String EN_YEAR_MONTH_DAY  = "yyyy-MM-dd";
	  
	  /**
	   * yyyy-MM
	   */
	  public static final String EN_YEAR_MONTH  = "yyyy-MM";
	  /**
	   * yyyy
	   */
	  public static final String EN_YEAR = "yyyy";
	  
	  /**
	   * HH:mm:ss
	   */
	  public static final String EN_HOUR_MIN_SEC  = "HH:mm:ss";
	  
	  /**
	   * HH:mm
	   */
	  public static final String EN_HOUR_MIN  = "HH:mm";
	  
	  
	  /**
	   * yyyy年MM月dd日 HH时mm分ss秒
	   */
	  public static final String CN_YEAR_MONTH_DAY_HOUR_MIN_SEC  = "yyyy年MM月dd日 HH时mm分ss秒";
	  
	  
	  /**
	   * yyyy-MM-dd HH:mm
	   */
	  public static final String CN_YEAR_MONTH_DAY_HOUR_MIN  = "yyyy年MM月dd日 HH时mm分";
	  
	  /**
	   * yyyy-MM-dd HH
	   */
	  public static final String CN_YEAR_MONTH_DAY_HOUR  = "yyyy年MM月dd日 HH时";
	  
	  /**
	   * yyyy-MM-dd
	   */
	  public static final String CN_YEAR_MONTH_DAY  = "yyyy年MM月dd日";
	  
	  /**
	   * yyyy-MM
	   */
	  public static final String CN_YEAR_MONTH  = "yyyy年MM月";
	  
	  /**
	   * yyyy
	   */
	  public static final String CN_YEAR  = "yyyy年";
	  
	  /**
	   * HH:mm:ss
	   */
	  public static final String CN_HOUR_MIN_SEC  = "HH时mm分ss秒";
	  
	  /**
	   * HH:mm
	   */
	  public static final String CN_HOUR_MIN  = "HH时mm分";
	  
	  
	public static final int DISTANCE_YEAR = 0;
	public static final int DISTANCE_MONTH = 1;
	public static final int DISTANCE_DAY = 2;
	  
	  
	  public static Map<String,String> patterns = new LinkedHashMap<String,String>();
	
	static {
		patterns.put("yyyy-MM-dd HH:mm:ss", "EN_YEAR_MONTH_DAY_HOUR_MIN_SEC");
		patterns.put("yyyy-MM-dd HH:mm", "EN_YEAR_MONTH_DAY_HOUR_MIN");
		patterns.put("yyyy-MM-dd HH", "EN_YEAR_MONTH_DAY_HOUR");
		patterns.put("yyyy-MM-dd", "EN_YEAR_MONTH_DAY");
		patterns.put("yyyy-MM", "EN_YEAR_MONTH");
		patterns.put("yyyy", "EN_YEAR");
		patterns.put("HH:mm:ss", "EN_HOUR_MIN_SEC");
		patterns.put("HH:mm", "EN_HOUR_MIN");
		patterns.put("yyyy年MM月dd日 HH时mm分ss秒", "CN_YEAR_MONTH_DAY_HOUR_MIN_SEC");
		patterns.put("yyyy年MM月dd日 HH时mm分", "CN_YEAR_MONTH_DAY_HOUR_MIN");
		patterns.put("yyyy年MM月dd日 HH时", "CN_YEAR_MONTH_DAY_HOUR");
		patterns.put("yyyy年MM月dd日", "CN_YEAR_MONTH_DAY");
		patterns.put("yyyy年MM月", "CN_YEAR_MONTH");
		patterns.put("yyyy年", "CN_YEAR");
		patterns.put("HH时mm分ss秒", "CN_HOUR_MIN_SEC");
		patterns.put("HH时mm分", "CN_HOUR_MIN");
	}
	  /**
	   * 
	   * parse:
	   * 将字符串按指定模板转化为日期
	   * @param date
	   * @param pettern(缺省为"yyyy-MM-dd")
	   * @return Date   
	   * @throws 
	   * @author   chipeng
	   * @since    Ver 1.1
	   * @Date	 2013-6-13	下午08:39:14
	   */
	public static Date parse(String date,String pettern){
	  	Date retVal = null;
	  	if(date==null||"".equals(date)){
	  		return retVal;
	  	}
	  	if (pettern==null||"".equals(pettern.trim())) {
			pettern=DateUtil.EN_YEAR_MONTH_DAY;
		}
	  	try {
			retVal=new SimpleDateFormat(pettern).parse(date);
		} catch (ParseException e) {
		}
	  	return retVal;
	  }
	  
	  public static String formatDate(Date date,String pettern){
	  	if(date==null){
	  		return "";
	  	}
	  	if (pettern==null||"".equals(pettern.trim())) {
			pettern=DateUtil.EN_YEAR_MONTH_DAY;
		}
	  	return new SimpleDateFormat(pettern).format(date);
	  }
	  /**
	   * 
	   * formatDate:
	   * 将日期格式化成"yyyy-MM-dd"格式
	   * @param date
	   * @return String   
	   * @throws 
	   * @author   chipeng
	   * @since    Ver 1.1
	   * @Date	 2013-6-11	下午10:33:07
	   */
	  public static String formatDate(Date date){
	  	if(date==null){
	  		return "";
	  	}
	  	return DateUtil.formatDate(date,DateUtil.EN_YEAR_MONTH_DAY);
	  }
	  
	/**
	 * 
	 * distanceDate: 计算两个时间相差的“年”或“天”或“日”
	 * 
	 * @param startDate
	 * @param endDate
	 * @param type
	 *            ：DISTANCE_YEAR=0;DISTANCE_MONTH=1;DISTANCE_DAY=2;
	 * @return int
	 * @throws
	 * @author cp
	 * @since Ver 1.1
	 * @Date 2011-7-28 上午04:55:09
	 */
	public static int distanceDate(Date startDate, Date endDate, int type) {
	
		// TODO Auto-generated method stub
		int ret = 0;
		Calendar date1 = new GregorianCalendar();
		Calendar date2 = new GregorianCalendar();
		boolean isPositive = true;
		if (null == startDate || null == endDate) {
			return ret;
		}
		if (startDate.before(endDate)) {
			date1.setTime(startDate);
			date2.setTime(endDate);
		} else {
			date1.setTime(endDate);
			date2.setTime(startDate);
			isPositive = false;
		}
		date1.set(Calendar.HOUR_OF_DAY, 0);
		date1.set(Calendar.MINUTE, 0);
		date1.set(Calendar.SECOND, 0);
		date1.set(Calendar.MILLISECOND, 0);
		date2.set(Calendar.HOUR_OF_DAY, 0);
		date2.set(Calendar.MINUTE, 0);
		date2.set(Calendar.SECOND, 0);
		date2.set(Calendar.MILLISECOND, 0);
		while (date1.before(date2)) {
			if (type == DateUtil.DISTANCE_YEAR) {
				date1.add(Calendar.YEAR, 1);
			} else if (type == DateUtil.DISTANCE_MONTH) {
				date1.add(Calendar.MONTH, 1);
			} else {
				date1.add(Calendar.DATE, 1);
			}
			if (!date1.after(date2))
				ret++;
		}
		if (!isPositive)
			ret = -ret;
		return ret;
	}
	
	/**
	 * 获取当前日期所在月份的第一天所在日期0点0分0秒
	 */
	public static Date getFirstDateInMonth(Date date) {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		calendar.set(Calendar.DATE, 1);
		calendar.set(Calendar.HOUR_OF_DAY, 0);
		calendar.set(Calendar.MINUTE, 0);
		calendar.set(Calendar.SECOND, 0);
		calendar.set(Calendar.MILLISECOND, 0);
		return calendar.getTime();
	}
	/**
	 * 获取上月日期所在月份的第一天所在日期0点0分0秒
	 * @param date 当前日期
	 * @return
	 */
	public static Date getFirstDateInLastMonth(Date date) {
		if(date==null){
			date = new Date();
		}
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		calendar.add(Calendar.MONTH, -1);
		calendar.set(Calendar.DATE, 1);
		calendar.set(Calendar.HOUR_OF_DAY, 0);
		calendar.set(Calendar.MINUTE, 0);
		calendar.set(Calendar.SECOND, 0);
		calendar.set(Calendar.MILLISECOND, 0);
		return calendar.getTime();
	}
	public static Date getFirstDateInLastMonth() {
		return getFirstDateInLastMonth(null);
	}
	
	/**
	 * 获取上月日期所在月份的第一天所在日期0点0分0秒
	 * @param date 当前日期
	 * @return
	 */
	public static Date getLastDateInLastMonth(Date date) {
		if(date==null){
			date = new Date();
		}
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		calendar.set(Calendar.DATE, 1);
		calendar.set(Calendar.HOUR_OF_DAY, 0);
		calendar.set(Calendar.MINUTE, 0);
		calendar.set(Calendar.SECOND, 0);
		calendar.set(Calendar.MILLISECOND, 0);
		calendar.add(Calendar.DAY_OF_MONTH, -1);
		return calendar.getTime();
	}
	public static Date getLastDateInLastMonth() {
		return getLastDateInLastMonth(null);
	}
	
	/**
	 * 获取当前日期所在月份的最后一天所在日期23点59分59秒
	 */
	public static Date getLastDateInMonth(Date date) {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		int lastDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
		calendar.set(Calendar.DAY_OF_MONTH, lastDay);
		calendar.set(Calendar.HOUR_OF_DAY, 23);
		calendar.set(Calendar.MINUTE, 59);
		calendar.set(Calendar.SECOND, 59);
		calendar.set(Calendar.MILLISECOND, 999);
		return calendar.getTime();
	}
	
	/**
	 * 
	 * getFirstDateInMonth:
	 * 获得某月第一天
	 * @param year
	 * @param month （0代表1月）
	 * @return Date   
	 * @throws 
	 * @author   cp
	 * @since    Ver 1.1
	 * @Date	 2011-10-22	下午06:21:49
	 */
	public static Date getFirstDateInMonth(int year, int month) {
		Calendar c = Calendar.getInstance();
		c.set(Calendar.DAY_OF_MONTH, 1);
		c.set(Calendar.YEAR, year);
		c.set(Calendar.MONTH, month);
		c.set(Calendar.HOUR, 0);
		c.set(Calendar.MINUTE, 0);
		c.set(Calendar.SECOND, 0);
		c.set(Calendar.MILLISECOND, 0);
		
		return c.getTime();
	}
	/**
	 * 当年第一天
	 * @return
	 */
	public static Date getFirstDayOfCurrentYear() {
		Calendar c = Calendar.getInstance();
		c.set(Calendar.DAY_OF_MONTH, 1);
		c.set(Calendar.MONTH, 0);
		c.set(Calendar.MINUTE, 0);
		c.set(Calendar.SECOND, 0);
		c.set(Calendar.MILLISECOND, 0);
		return c.getTime();
	}
	
	/**
	 * 
	 * getLastDateInMonth:
	 * 获得某月最后一天
	 * @param year
	 * @param month （0代表1月）
	 * @return Date   
	 * @throws 
	 * @author   cp
	 * @since    Ver 1.1
	 * @Date	 2011-10-22	下午06:23:51
	 */
	public static Date getLastDateInMonth(int year, int month) {
		Calendar c = Calendar.getInstance();
		c.set(Calendar.DAY_OF_MONTH, 1);
		c.set(Calendar.YEAR, year);
		c.set(Calendar.MONTH, month);
		int maxDayInMonth = c.getActualMaximum(Calendar.DAY_OF_MONTH);
		c.set(Calendar.DAY_OF_MONTH, maxDayInMonth);
		c.set(Calendar.HOUR_OF_DAY, 23);
		c.set(Calendar.MINUTE, 59);
		c.set(Calendar.SECOND, 59);
		c.set(Calendar.MILLISECOND, 999);
		return c.getTime();
	}
	
	/**
	 * getBeginDateOfDate:将给定时间设置成0时0分0秒返回 TODO
	 * 
	 * @param dateValue
	 * @return Date
	 * @throws
	 * @author cp
	 * @since Ver 1.1
	 * @Date 2010-12-20 下午06:01:52
	 */
	public static Date getBeginDateOfDate(Date dateValue) {
		Calendar cal = GregorianCalendar.getInstance();
		cal.setTime(dateValue);
		cal.set(Calendar.AM_PM, Calendar.AM);
		cal.set(Calendar.HOUR_OF_DAY, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
	}
	
	/**
	 * getEndDateOfDate:将给定时间设置成23时59分59秒返回 TODO
	 * 
	 * @param dateValue
	 * @return Date
	 * @throws
	 * @author cp
	 * @since Ver 1.1
	 * @Date 2010-12-20 下午06:02:19
	 */
	public static Date getEndDateOfDate(Date dateValue) {
		Calendar cal = GregorianCalendar.getInstance();
		cal.setTime(dateValue);
		cal.set(Calendar.HOUR_OF_DAY, 23);
		cal.set(Calendar.MINUTE, 59);
		cal.set(Calendar.SECOND, 59);
		cal.set(Calendar.MILLISECOND, 999);
		return cal.getTime();
	}
	
	
	/**
	 * 求两个时间的毫秒差
	 * @param start
	 * @param end
	 * @return
	 */
	public static long timeDiff(Date start,Date end){
		return end.getTime() - start.getTime();
	}
	
	/**
	 * 计算两个日期之间相差的天数
	 * @param start
	 * @param end
	 * @return
	 * @author: lihua
	 * Create On:2013-6-24 下午04:38:53
	 * Modify On:
	 * @Description
	 */
	public static Double timeDayDiff(Date start,Date end){
		return timeDiff(start,end)*1d/(1000*60*60*24);
	}
	
	
	/**
	 * 返回时间范围以内的每天的Date集合
	 * @param start
	 * @param end
	 * @return
	 */
	public static List<Date> getDateList(Date start,Date end){
		List<Date> result = new ArrayList<Date>();
		Calendar cal = Calendar.getInstance();
		cal.setTime(start);
		while(cal.getTime().getTime()<=end.getTime()){
			result.add(cal.getTime());
			cal.add(Calendar.DAY_OF_MONTH, 1);
		}
		return result;
	}
	
	public static List<Date> getYearList(Date start,Date end){
		List<Date> result = new ArrayList<Date>();
		Calendar cal = Calendar.getInstance();
		cal.setTime(start);
		while(cal.getTime().getTime()<=end.getTime()){
			result.add(DateUtil.getFirstDayOfYear(cal.getTime()));
			cal.add(Calendar.YEAR, 1);
		}
		return result;
	}
	
	
	
	/**
	 * 获取给定日期所在年第一天
	 * @param time
	 * @return
	 */
	public static Date getFirstDayOfYear(Date time) {
		Calendar c = Calendar.getInstance();
		c.setTime(time);
		c.set(Calendar.DAY_OF_MONTH, 1);
		c.set(Calendar.MONTH, 0);
		c.set(Calendar.HOUR_OF_DAY,0);
		c.set(Calendar.MINUTE, 0);
		c.set(Calendar.SECOND, 0);
		c.set(Calendar.MILLISECOND, 0);
		return c.getTime();
	}
	
	/**
	 * 获取给定日期所在年最后一天
	 * @param time
	 * @return
	 */
	public static Date getLastDayOfYear(Date time) {
		Calendar c = Calendar.getInstance();
		c.setTime(time);
		c.set(Calendar.DAY_OF_MONTH, 1);
		c.set(Calendar.MONTH, 0);
		c.set(Calendar.HOUR_OF_DAY,0);
		c.set(Calendar.MINUTE, 0);
		c.set(Calendar.SECOND, 0);
		c.set(Calendar.MILLISECOND, 0);
		c.add(Calendar.YEAR, 1);
		c.add(Calendar.DAY_OF_MONTH, -1);
		return c.getTime();
	}
	
	
	/**
	 * 获取次日零点时间
	 * @return
	 */
	public static Date getMiddleNightTime(){
		Calendar cal = Calendar.getInstance();
		cal.add(Calendar.DAY_OF_MONTH, 1);
		cal.set(Calendar.HOUR_OF_DAY, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.SECOND, 0);
		return cal.getTime();
	}
	
	/**
	 * 昨天零时零分零秒
	 * @return
	 */
	public synchronized  static Date yesterday(){
		return yesterday(new Date());
	}
	
	/**
	 * date的昨天的零时零分零秒
	 * @param date
	 * @return
	 */
	public synchronized  static Date yesterday(Date date){
		Calendar cal = Calendar.getInstance();
		cal.setTime(date);
		cal.add(Calendar.DAY_OF_MONTH, -1);
		cal.set(Calendar.HOUR_OF_DAY, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.SECOND, 0);
		return cal.getTime();
	}
	
	/**
	 * 判断某个日期是否在给定的日期范围之内
	 * @param date
	 * @param start
	 * @param end
	 * @return
	 */
	public synchronized static boolean between(Date date,Date start,Date end){
		return date.compareTo(start)>=0 && date.compareTo(end)<=0;
	}
	
	/**
	 * 在日期start的field上增加value个单位值
	 * @param start
	 * @param field
	 * @param value
	 * @return
	 */
	public static Date datePlus(Date start,int field,int value){
		Calendar cal = Calendar.getInstance();
		cal.setTime(start);
		cal.add(field, value);
		return cal.getTime();
	}
	/**
	 * 判断是否为同一天
	 * @param date1
	 * @param date2
	 * @return
	 */
	public static final boolean isSameDay(Date date1, Date date2) {
		boolean ret = false;
		if( null == date1 || null == date2 ){
			return false;
		}
		if (date1.getYear() == date2.getYear()
				&& date1.getMonth() == date2.getMonth()
				&& date1.getDate() == date2.getDate())
			ret = true;
		return ret;
	}
	/**
	 * 
	 * mergeTime: 合并多个时间对
	 * 
	 * @param dateList
	 * @param deviation 允许的偏差（毫秒数）
	 * @return List 合并后的时间列表
	 * @throws
	 *
	 */
	public static List mergeTime(List dateList, long deviation) {
		List mergeDateList = new ArrayList();
		Iterator iterDateList = dateList.iterator();
		Date[] mergeDate = null;
		Date[] checkDate = null;
	
		while (dateList.size() >= 1) {
			mergeDate = (Date[]) dateList.remove(0);
			iterDateList = dateList.iterator();
			while (iterDateList.hasNext()) {
				checkDate = (Date[]) iterDateList.next();
				if ((!(mergeDate[0].after(checkDate[1]))
						&& !(mergeDate[1].before(checkDate[0])))
						||(checkDate[1].before(mergeDate[0])&&(checkDate[1].getTime()+deviation)>=mergeDate[0].getTime())
						||(mergeDate[1].before(checkDate[0])&&(mergeDate[1].getTime()+deviation)>=checkDate[0].getTime())) {
					mergeDate[0] = mergeDate[0].before(checkDate[0]) ? mergeDate[0]
							: checkDate[0];
					mergeDate[1] = mergeDate[1].after(checkDate[1]) ? mergeDate[1]
							: checkDate[1];
					iterDateList.remove();
					iterDateList = dateList.iterator();
				}
			}
			mergeDateList.add(mergeDate);
		}
	
		return mergeDateList;
	}
	/**
	 * 两个时间段交集（毫秒）
	 * @param dateTimeSpanBegin
	 * @param dateTimeSpanEnd
	 * @param dateBegin
	 * @param dateEnd
	 * @author cp
	 * @since Ver 1.1
	 * @Date 2014-6-29
	 * @return
	 */
	public static long getMillisecondsInSpan(Date dateTimeSpanBegin,
			Date dateTimeSpanEnd, Date dateBegin, Date dateEnd) {
		long lDifference = 0;
		if (dateBegin.before(dateTimeSpanBegin)
				&& (dateEnd.before(dateTimeSpanBegin)||dateEnd.equals(dateTimeSpanBegin))) {
			
		} else if ((dateBegin.after(dateTimeSpanEnd)||dateBegin.equals(dateTimeSpanEnd))
				&& dateEnd.after(dateTimeSpanEnd)) {
			
		} else if ((dateBegin.before(dateTimeSpanBegin)||dateBegin.equals(dateTimeSpanBegin))
				&& (dateEnd.after(dateTimeSpanEnd)||dateEnd.equals(dateTimeSpanEnd))) {
			lDifference = dateTimeSpanEnd.getTime()
			- dateTimeSpanBegin.getTime();
		} else if ((dateBegin.after(dateTimeSpanBegin)||dateBegin.equals(dateTimeSpanBegin))
				&& (dateEnd.before(dateTimeSpanEnd)||dateEnd.equals(dateTimeSpanEnd))) {
			lDifference = dateEnd.getTime() - dateBegin.getTime();
		} else if (dateBegin.before(dateTimeSpanBegin)
				&& dateEnd.after(dateTimeSpanBegin)) {
			lDifference = dateEnd.getTime() - dateTimeSpanBegin.getTime();
		} else if (dateBegin.before(dateTimeSpanEnd)
				&& dateEnd.after(dateTimeSpanEnd)) {
			lDifference = dateTimeSpanEnd.getTime() - dateBegin.getTime();
		}
		return lDifference;
	}
	
	/**
	 * 将字符串转换成date类型
	 * 例：09:00 -》 2014-08-06 09:00:00
	 * @param str
	 * @return
	 */
	public static Date timeStr2TodayDate(String str){
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		try {
			str = sdf.format(new Date()) +" "+ str +":00";
			return sdf1.parse(str);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return null;
	}
	/**
	 * 将字符串转换成date类型
	 * 例：09:00 -》 2014-08-06 09:00:00
	 * @param str
	 * @return
	 */
	public static Date timeStr2Date(String str,Date today){
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		try {
			str = sdf.format(today) +" "+ str +":00";
			return sdf1.parse(str);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return null;
	}
	
	
	/**
	   * 当前季度的开始时间，即2012-01-1 00:00:00
	   * 
	   * @return
	   */
	  public static Date getCurrentQuarterStartTime() {
	      Calendar c = Calendar.getInstance();
	      int currentMonth = c.get(Calendar.MONTH) + 1;
	      Date now = null;
	      try {
	          if (currentMonth >= 1 && currentMonth <= 3)
	              c.set(Calendar.MONTH, 0);
	          else if (currentMonth >= 4 && currentMonth <= 6)
	              c.set(Calendar.MONTH, 3);
	          else if (currentMonth >= 7 && currentMonth <= 9)
	              c.set(Calendar.MONTH, 6);
	          else if (currentMonth >= 10 && currentMonth <= 12)
	              c.set(Calendar.MONTH, 9);
	          c.set(Calendar.DATE, 1);
	          c.set(Calendar.HOUR, 0);
	          c.set(Calendar.MINUTE, 0);
	          c.set(Calendar.SECOND, 0);
	          c.set(Calendar.MILLISECOND, 0);
	          now = c.getTime();
	      } catch (Exception e) {
	          e.printStackTrace();
	      }
	      return now;
	  }
	
	  /**
	   * 当前季度的结束时间
	   * @return
	   */
	  public static Date getCurrentQuarterEndTime() {
	      Calendar c = Calendar.getInstance();
	      int currentMonth = c.get(Calendar.MONTH) + 1;
	      Date now = null;
	      try {
	          if (currentMonth >= 1 && currentMonth <= 3) {
	              c.set(Calendar.MONTH, 2);
	              c.set(Calendar.DATE, 31);
	          } else if (currentMonth >= 4 && currentMonth <= 6) {
	              c.set(Calendar.MONTH, 5);
	              c.set(Calendar.DATE, 30);
	          } else if (currentMonth >= 7 && currentMonth <= 9) {
	              c.set(Calendar.MONTH, 8);
	              c.set(Calendar.DATE, 30);
	          } else if (currentMonth >= 10 && currentMonth <= 12) {
	              c.set(Calendar.MONTH, 11);
	              c.set(Calendar.DATE, 31);
	          }
	          c.set(Calendar.HOUR, 0);
	          c.set(Calendar.MINUTE, 0);
	          c.set(Calendar.SECOND, 0);
	          c.set(Calendar.MILLISECOND, 0);
	          now = c.getTime();
	      } catch (Exception e) {
	          e.printStackTrace();
	      }
	      return now;
	  }
	  
	  
	  /**
	   * 通过网络获取北京时间
	   * @return
	   *     北京时间或者本地系统时间
	   * @author: zuowg
	   * Create On:2014年5月9日 下午2:27:57
	   * Modify On:
	   * @throws RequestBJTimeException 
	   * @Description
	   */
	  public final static Date getBjTime(){
	      Date date = null;
	      URLConnection uc;
	      try {
	          URL url=new URL("http://221.130.182.180");//取得资源对象
	          uc = url.openConnection();
	          uc.connect(); //发出连接
	          long ld=uc.getDate(); //取得网站日期时间
	          date=new Date(ld); //转换为标准时间对象
	      } catch (IOException e) {
	        //  throw new RequestBJTimeException();
	      }
	      return date;
	  }
	  
	  /**
	   * 将总的秒数转换为时分秒的格式
	   * @param totalSecond
	   *      总的秒数
	   * @return
	   *      时分秒时间格式
	   * @author: zuowg
	   * Create On:2014年5月13日 上午11:48:37
	   * Modify On:
	   * @Description
	   */
	  public final static String secondToTime(long totalSecond){
	      String timeStr = null;  
	      long date = 0;
	      long hour = 0;  
	      long minute = 0;  
	      long second = 0;  
	      if (totalSecond <= 0)  
	          return "0秒";  
	      else {  
	          minute = totalSecond / 60;  
	          if (minute < 60) {  
	              second = totalSecond % 60;  
	              timeStr = unitFormat(minute) + "分钟"; //+ unitFormat(second) + "秒";  
	          } else {  
	              hour = minute / 60;  
	              if (hour < 24)  {
	                  hour = hour % 24;
	                  minute = minute % 60;  
	                  second = totalSecond - hour * 3600 - minute * 60;  
	                  timeStr = unitFormat(hour) + "小时" + unitFormat(minute) + "分钟";// + unitFormat(second) + "秒";  
	              } else {
	                  date = hour / 24;
	                  hour = hour % 24;
	                  minute = minute % 60;
	                  second = totalSecond - date * 24 - hour * 3600 - minute * 60;
	                  timeStr = unitFormat(hour) + "天" + unitFormat(hour) + "小时" + unitFormat(minute) + "分钟";// + unitFormat(second) + "秒";  
	              }
	          }  
	      }  
	      return timeStr;
	
	  }
	
	  private static String unitFormat(long time) {
	      String retStr = null;  
	      if (time >= 0 && time < 10)  
	          //retStr = "0" + Long.toString(time);   wangfs 2017-07-07 更改
	    	  retStr =  Long.toString(time);  
	      else  
	        retStr = "" + time;  
	      return retStr;  
	
	  }
	  
	  public static void main(String[] args) {
		 String str =  DateUtil.secondToTime(7000);
		 System.out.println(str);
	}
}