galaxy-k18-galaxy-service/src/main/java/com/nis/util/DateUtils.java

/**
 * Copyright &copy; 2012-2014 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
 */
package com.nis.util;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang3.time.DateFormatUtils;
import org.apache.log4j.Logger;

import com.zdjizhi.utils.StringUtil;

/**
 * 日期工具类, 继承org.apache.commons.lang.time.DateUtils类
 * 
 * @author ThinkGem
 * @version 2014-4-15
 */
public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
	public static final Logger logger = Logger.getLogger(DateUtils.class);
	private static String[] parsePatterns = { "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
			"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM", "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss",
			"yyyy.MM.dd HH:mm", "yyyy.MM" };

	/**
	 * 得到当前日期字符串 格式（yyyy-MM-dd）
	 */
	public static String getDate() {
		return getDate("yyyy-MM-dd");
	}

	/**
	 * 得到当前日期字符串 格式（yyyy-MM-dd） pattern可以为："yyyy-MM-dd" "HH:mm:ss" "E"
	 */
	public static String getDate(String pattern) {
		return DateFormatUtils.format(new Date(), pattern);
	}

	/**
	 * 得到日期字符串 默认格式（yyyy-MM-dd） pattern可以为："yyyy-MM-dd" "HH:mm:ss" "E"
	 */
	public static String formatDate(Date date, Object... pattern) {
		String formatDate = null;
		if (pattern != null && pattern.length > 0) {
			formatDate = DateFormatUtils.format(date, pattern[0].toString());
		} else {
			formatDate = DateFormatUtils.format(date, "yyyy-MM-dd");
		}
		return formatDate;
	}

	/**
	 * 得到日期时间字符串，转换格式（yyyy-MM-dd HH:mm:ss）
	 */
	public static String formatDateTime(Date date) {
		return formatDate(date, "yyyy-MM-dd HH:mm:ss");
	}

	/**
	 * 得到当前时间字符串 格式（HH:mm:ss）
	 */
	public static String getTime() {
		return formatDate(new Date(), "HH:mm:ss");
	}

	/**
	 * 得到当前日期和时间字符串 格式（yyyy-MM-dd HH:mm:ss）
	 */
	public static String getDateTime() {
		return formatDate(new Date(), "yyyy-MM-dd HH:mm:ss");
	}

	/**
	 * 得到当前年份字符串 格式（yyyy）
	 */
	public static String getYear() {
		return formatDate(new Date(), "yyyy");
	}

	/**
	 * 得到当前月份字符串 格式（MM）
	 */
	public static String getMonth() {
		return formatDate(new Date(), "MM");
	}

	/**
	 * 得到当天字符串 格式（dd）
	 */
	public static String getDay() {
		return formatDate(new Date(), "dd");
	}

	/**
	 * 得到当前星期字符串 格式（E）星期几
	 */
	public static String getWeek() {
		return formatDate(new Date(), "E");
	}

	/**
	 * 日期型字符串转化为日期 格式 { "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm",
	 * "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy.MM.dd",
	 * "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm" }
	 */
	public static Date parseDate(Object str) {
		if (str == null) {
			return null;
		}
		try {
			return parseDate(str.toString(), parsePatterns);
		} catch (ParseException e) {
			return null;
		}
	}

	/**
	 * 获取过去的天数
	 * 
	 * @param date
	 * @return
	 */
	public static long pastDays(Date date) {
		long t = new Date().getTime() - date.getTime();
		return t / (24 * 60 * 60 * 1000);
	}

	/**
	 * 获取过去的小时
	 * 
	 * @param date
	 * @return
	 */
	public static long pastHour(Date date) {
		long t = new Date().getTime() - date.getTime();
		return t / (60 * 60 * 1000);
	}

	/**
	 * 获取过去的分钟
	 * 
	 * @param date
	 * @return
	 */
	public static long pastMinutes(Date date) {
		long t = new Date().getTime() - date.getTime();
		return t / (60 * 1000);
	}

	/**
	 * 转换为时间（天,时:分:秒.毫秒）
	 * 
	 * @param timeMillis
	 * @return
	 */
	public static String formatDateTime(long timeMillis) {
		long day = timeMillis / (24 * 60 * 60 * 1000);
		long hour = (timeMillis / (60 * 60 * 1000) - day * 24);
		long min = ((timeMillis / (60 * 1000)) - day * 24 * 60 - hour * 60);
		long s = (timeMillis / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
		long sss = (timeMillis - day * 24 * 60 * 60 * 1000 - hour * 60 * 60 * 1000 - min * 60 * 1000 - s * 1000);
		return (day > 0 ? day + "," : "") + hour + ":" + min + ":" + s + "." + sss;
	}

	/**
	 * 获取两个日期之间的天数
	 * 
	 * @param before
	 * @param after
	 * @return
	 */
	public static double getDistanceOfTwoDate(Date before, Date after) {
		long beforeTime = before.getTime();
		long afterTime = after.getTime();
		return (afterTime - beforeTime) / (1000 * 60 * 60 * 24);
	}

	/**
	 * 
	 * @Description: 按类型获取默认时间
	 * @author (zdx)
	 * @date 2018年8月28日 下午4:53:40
	 * @param startTime
	 * @param endTime
	 * @param localLen
	 * @param type
	 * @return
	 * @throws Exception
	 */
	public static Map<String, String> getLocalTime(String startTime, String endTime, Long localLen, String type)
			throws Exception {
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Map<String, String> timeMap = new HashMap<String, String>();
		if (StringUtil.isEmpty(type)) {
			type = "minute";
		}
		// 实时报表统计，默认查询最近5分钟
		if ("minute".equals(type) && startTime == null && endTime == null) {
			Calendar cal = Calendar.getInstance();
			timeMap.put("endTime", sdf.format(cal.getTime()));
			if (localLen != null) {
				cal.add(Calendar.MINUTE, -localLen.intValue());
			} else {
				cal.add(Calendar.MINUTE, -5);
			}
			timeMap.put("startTime", sdf.format(cal.getTime()));
			logger.info("实时报表统计默认开始时间条件：" + timeMap.get("startTime"));
			logger.info("默认结束时间条件：" + timeMap.get("endTime"));

		} else if ("hour".equals(type) && startTime == null && endTime == null) {// 小时报表默认查询最近一小时的数据
			Calendar cal = Calendar.getInstance();
			timeMap.put("endTime", sdf.format(cal.getTime()));
			cal.add(Calendar.HOUR_OF_DAY, -1);
			timeMap.put("startTime", sdf.format(cal.getTime()));
			logger.info("小时报默认开始时间条件：" + timeMap.get("startTime"));
			logger.info("小时报默认结束时间条件：" + timeMap.get("endTime"));
		} else if ("daily".equals(type) && startTime == null && endTime == null) {// 日报表默认查询最近一天的数据
			Calendar cal = Calendar.getInstance();
			timeMap.put("endTime", sdf.format(cal.getTime()));
			cal.add(Calendar.DAY_OF_YEAR, -1);
			timeMap.put("startTime", sdf.format(cal.getTime()));
			logger.info("日报默认开始时间条件：" + timeMap.get("startTime"));
			logger.info("日报默认结束时间条件：" + timeMap.get("endTime"));
		} else if ("month".equals(type) && startTime == null && endTime == null) {// 月报表默认查询最近一月的数据
			Calendar cal = Calendar.getInstance();
			timeMap.put("endTime", sdf.format(cal.getTime()));
			cal.add(Calendar.MONTH, -1);
			timeMap.put("startTime", sdf.format(cal.getTime()));
			logger.info("月报默认开始时间条件：" + timeMap.get("startTime"));
			logger.info("月报默认结束时间条件：" + timeMap.get("endTime"));
		}
		return timeMap;
	}

	/**
	 * 将短时间格式字符串转换为时间 yyyy-MM-dd
	 * 
	 * @param strDate
	 * @return
	 */
	/**
	 * 将短时间格式字符串转换为指定时间
	 * 
	 * @param strDate
	 * @param dateFormat
	 *            "yyyy-MM-dd HH:mm:ss" 此参数为空，默认为："yyyy-MM-dd"
	 * @return
	 * @throws ParseException
	 */
	public static Date strToDate(String strDate, String dateFormat) throws ParseException {
		if (dateFormat == null || "".equals(dateFormat)) {
			dateFormat = "yyyy-MM-dd";
		}
		SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
		Date strtodate = sdf.parse(strDate);
		return strtodate;
	}

	/**
	 * @param args
	 * @throws ParseException
	 */
	public static void main(String[] args) throws ParseException {
		// System.out.println(formatDate(parseDate("2010/3/6")));
		// System.out.println(getDate("yyyy年MM月dd日 E"));
		// long time = new Date().getTime()-parseDate("2012-11-19").getTime();
		// System.out.println(time/(24*60*60*1000));
	/*	Date date = new Date();
		Calendar cal = Calendar.getInstance();
		cal.add(Calendar.MONTH, date.getMonth() - 2);
		cal.set(Calendar.DAY_OF_MONTH, 1);
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		// timeMap.put("startTime", sdf.format(cal2.getTime()));
		// timeMap.put("endTime", sdf.format(cal.getTime()));
		logger.info("月报默认开始时间条件：" + sdf.format(cal.getTime()));*/
		
		String beginDate = DateUtils.getSpecifiedDayBefore("2018-12-23 10:10:10");
		System.out.println(beginDate);
		String bhour = DateUtils.getSpecifiedHourBefore("2018-12-23 10:10:10");
		System.out.println(bhour);
		String bhour1 = DateUtils.getSpecifiedHourBefore("2018-12-23 00:10:10");
		System.out.println(bhour1);

		
	}
	/**
	 * 获得指定日期的前一小时
	 * 
	 * @param specifiedDay
	 * @return
	 * @throws Exception
	 */
	public static String getSpecifiedHourBefore(String specifiedDay) {
		// SimpleDateFormat simpleDateFormat = new
		// SimpleDateFormat("yyyy-MM-dd");
		Calendar c = Calendar.getInstance();
		Date date = null;
		try {
			date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(specifiedDay);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		c.setTime(date);
		int hour = c.get(Calendar.HOUR_OF_DAY);
		c.set(Calendar.HOUR_OF_DAY, hour - 1);
		String dayBefore = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(c.getTime());
		return dayBefore;
	}

	/**
	 * 获得指定日期的后一小时
	 * 
	 * @param specifiedDay
	 * @return
	 */
	public static String getSpecifiedHourAfter(String specifiedDay) {
		Calendar c = Calendar.getInstance();
		Date date = null;
		try {
			date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(specifiedDay);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		c.setTime(date);
		int hour = c.get(Calendar.HOUR_OF_DAY);
		c.set(Calendar.HOUR_OF_DAY, hour + 1);

		String dayAfter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(c.getTime());
		return dayAfter;
	}
	/**
	 * 获得指定日期的前一天
	 * 
	 * @param specifiedDay
	 * @return
	 * @throws Exception
	 */
	public static String getSpecifiedDayBefore(String specifiedDay) {
		// SimpleDateFormat simpleDateFormat = new
		// SimpleDateFormat("yyyy-MM-dd");
		Calendar c = Calendar.getInstance();
		Date date = null;
		try {
			date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(specifiedDay);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		c.setTime(date);
		int day = c.get(Calendar.DATE);
		c.set(Calendar.DATE, day - 1);

		String dayBefore = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(c.getTime());
		return dayBefore;
	}

	/**
	 * 获得指定日期的后一天
	 * 
	 * @param specifiedDay
	 * @return
	 */
	public static String getSpecifiedDayAfter(String specifiedDay) {
		Calendar c = Calendar.getInstance();
		Date date = null;
		try {
			date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(specifiedDay);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		c.setTime(date);
		int day = c.get(Calendar.DATE);
		c.set(Calendar.DATE, day + 1);

		String dayAfter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(c.getTime());
		return dayAfter;
	}
	/**
	 * 获取某个时间的最近五分钟,strDate和numDate传入一个即可
	 * 
	 * @param date 格式yyyy-MM-dd HH:mm:ss
	 * @param numDate 时间戳
	 * @return
	 */
	public static Calendar getRecentFiveMinute(String strDate, Long numDate) {
		Calendar instance = Calendar.getInstance();
		if (strDate != null) {
			try {
				SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
				instance.setTime(sdf.parse(strDate));
			} catch (ParseException e) {
				e.printStackTrace();
			}
		} else if (numDate != null) {
			instance.setTimeInMillis(numDate);
		}

		int oldMinute = instance.get(Calendar.MINUTE);
		char[] charArray = String.valueOf(oldMinute).toCharArray();
		if (charArray[charArray.length - 1] - '0' >= 5) {
			charArray[charArray.length - 1] = '5';
		} else {
			charArray[charArray.length - 1] = '0';
		}
		instance.set(Calendar.SECOND, 0);
		instance.set(Calendar.MINUTE, Integer.valueOf(String.valueOf(charArray)));
		return instance;
	}
	/**
	 * 获取两个时间的五分钟间隔,小时间隔,天间隔,月间隔
	 * 
	 * @param beginDate 开始时间(包含开始时间)
	 * @param endDate   结束时间(不包含结束时间)
	 * @param type      0:五分钟间隔,1:小时间隔,2:天间隔,3:月间隔,4:年间隔
	 * @return 返回时间戳集合
	 */
	public static List<Long> getTimeInterval(String beginDate, String endDate, int type) {
		Calendar beginCal = getRecentFiveMinute(beginDate,null);// 将时间转为最近的五分钟
		Calendar endCal = getRecentFiveMinute(endDate,null);

		List<Long> list = new ArrayList<>();
		boolean bool = true;

		switch (type) {
		case 1:// 获取小时间隔
			beginCal.set(Calendar.MINUTE, 0);
			beginCal.set(Calendar.HOUR_OF_DAY, beginCal.get(Calendar.HOUR_OF_DAY));
			endCal.set(Calendar.MINUTE, 0);
			endCal.set(Calendar.HOUR_OF_DAY, endCal.get(Calendar.HOUR_OF_DAY));
			break;
		case 2:// 获取天间隔

			beginCal.set(Calendar.MINUTE, 0);
			beginCal.set(Calendar.HOUR_OF_DAY, 0);
			beginCal.set(Calendar.DAY_OF_MONTH, beginCal.get(Calendar.DAY_OF_MONTH));

			endCal.set(Calendar.MINUTE, 0);
			endCal.set(Calendar.HOUR_OF_DAY, 0);
			endCal.set(Calendar.DAY_OF_MONTH, endCal.get(Calendar.DAY_OF_MONTH));

			break;
		case 3:// 获取月间隔
			beginCal.set(Calendar.MINUTE, 0);
			beginCal.set(Calendar.HOUR_OF_DAY, 0);
			beginCal.set(Calendar.DAY_OF_MONTH, 1);
			beginCal.set(Calendar.MONTH, beginCal.get(Calendar.MONTH));

			endCal.set(Calendar.MINUTE, 0);
			endCal.set(Calendar.HOUR_OF_DAY, 0);
			endCal.set(Calendar.DAY_OF_MONTH, 1);
			endCal.set(Calendar.MONTH, endCal.get(Calendar.MONTH));
			break;
		case 4:// 获取年间隔
			beginCal.set(Calendar.MINUTE, 0);
			beginCal.set(Calendar.HOUR_OF_DAY, 0);
			beginCal.set(Calendar.DAY_OF_MONTH, 1);
			beginCal.set(Calendar.MONTH, 0);
			beginCal.set(Calendar.YEAR, beginCal.get(Calendar.YEAR));

			endCal.set(Calendar.MINUTE, 0);
			endCal.set(Calendar.HOUR_OF_DAY, 0);
			endCal.set(Calendar.DAY_OF_MONTH, 1);
			endCal.set(Calendar.MONTH, 0);
			endCal.set(Calendar.YEAR, endCal.get(Calendar.YEAR));
			break;
		}
		list.add(beginCal.getTimeInMillis());
		long endTime = endCal.getTimeInMillis();
		while (bool) {
			switch (type) {
			case 1:// 获取小时间隔
				beginCal.add(Calendar.HOUR_OF_DAY, 1);
				break;
			case 2:// 获取天间隔
				beginCal.add(Calendar.DAY_OF_MONTH, 1);
				break;
			case 3:// 获取月间隔
				beginCal.add(Calendar.MONTH, 1);
				break;
			case 4:// 获取年间隔
				beginCal.add(Calendar.YEAR, 1);
				break;
			default:// 默认获取五分钟间隔
				beginCal.add(Calendar.MINUTE, 5);

			}
			long timeInMillis = beginCal.getTimeInMillis();
			if (timeInMillis < endTime) {
				list.add(timeInMillis);
			} else {
				bool = false;
			}

		}
		return list;
	}

	
	/**
	 * 获取一个时间对应的小时,天,月,年等粒度
	 * 
	 * @param time 需要转化的时间
	 * @param type 0:五分钟粒度,1:小时粒度,2:天粒度,3:月粒度,4:年粒度
	 * @return
	 */
	public static Long getTimeByType(Long time, int type) {
		Calendar calendar = Calendar.getInstance();
		calendar.setTimeInMillis(time);

		switch (type) {
		case 0:// 获取小时间隔
			calendar=getRecentFiveMinute(null,time);
			break;
		case 1:// 获取小时间隔
			calendar.set(Calendar.MINUTE, 0);
			calendar.set(Calendar.HOUR_OF_DAY, calendar.get(Calendar.HOUR_OF_DAY));
			break;
		case 2:// 获取天间隔

			calendar.set(Calendar.MINUTE, 0);
			calendar.set(Calendar.HOUR_OF_DAY, 0);
			calendar.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH));

			break;
		case 3:// 获取月间隔
			calendar.set(Calendar.MINUTE, 0);
			calendar.set(Calendar.HOUR_OF_DAY, 0);
			calendar.set(Calendar.DAY_OF_MONTH, 1);
			calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH));
			break;
		case 4:// 获取年间隔
			calendar.set(Calendar.MINUTE, 0);
			calendar.set(Calendar.HOUR_OF_DAY, 0);
			calendar.set(Calendar.DAY_OF_MONTH, 1);
			calendar.set(Calendar.MONTH, 0);
			calendar.set(Calendar.YEAR, calendar.get(Calendar.YEAR));

			break;
		}
		return calendar.getTimeInMillis();
	}


	
}