高可用的日期工具类

最新推荐文章于 2021-02-13 10:02:36 发布
原创最新推荐文章于 2021-02-13 10:02:36 发布 · 304 阅读
0 ·
CC 4.0 BY-SA版权
文章标签：
#date java util
java 专栏收录该内容
272 篇文章
订阅专栏
package com.date.util;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class DateUtil {
	// 获得当天0点时间
	public static Date getTimesmorning() {
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.HOUR_OF_DAY, 0);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
	}

	// 获得当天24点时间
	public static Date getTimesnight() {
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.HOUR_OF_DAY, 24);
		cal.set(Calendar.SECOND, 0);
		cal.set(Calendar.MINUTE, 0);
		cal.set(Calendar.MILLISECOND, 0);
		return cal.getTime();
	}

	// 获得本周一0点时间
	public static Date getTimesWeekmorning() {
		Calendar cal = Calendar.getInstance();
		cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),
				cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
		cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
		return cal.getTime();
	}

	// 获得本周日24点时间
	public static Date getTimesWeeknight() {
		Calendar cal = Calendar.getInstance();
		cal.setTime(getTimesWeekmorning());
		cal.add(Calendar.DAY_OF_WEEK, 7);
		return cal.getTime();
	}

	// 获得本周开始时间
	public static Date getTimesWeekStart() {
		Calendar cal = Calendar.getInstance();
		cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),
				cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
		cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
		return cal.getTime();
	}

	// 获得本周结束时间
	public static Date getTimesWeekEed() {
		Calendar cal = Calendar.getInstance();
		cal.setTime(getTimesWeekmorning());
		cal.add(Calendar.DAY_OF_WEEK, 7);
		return cal.getTime();
	}

	// 获得本月第一天0点时间
	public static Date getTimesMonthmorning() {
		Calendar cal = Calendar.getInstance();
		cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),
				cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
		cal.set(Calendar.DAY_OF_MONTH,
				cal.getActualMinimum(Calendar.DAY_OF_MONTH));
		return cal.getTime();
	}

	// 获得本月最后一天24点时间
	public static Date getTimesMonthnight() {
		Calendar cal = Calendar.getInstance();
		cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),
				cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
		cal.set(Calendar.DAY_OF_MONTH,
				cal.getActualMaximum(Calendar.DAY_OF_MONTH));
		cal.set(Calendar.HOUR_OF_DAY, 24);
		return cal.getTime();
	}
	/** 
	* 当前季度的开始时间
	* @return 
	*/ 
	public static Date getCurrentQuarterStartTime() {
		Calendar cal = Calendar.getInstance();
		int currentMonth = cal.get(Calendar.MONTH)+1;
		Date now = null;
		Integer month = null;
		try {
			if (currentMonth >= 1 && currentMonth <= 3)
				month =1;
			else if (currentMonth >= 4 && currentMonth <= 6)
				month =4;
			else if (currentMonth >= 7 && currentMonth <= 9)
				month =7;
			else if (currentMonth >= 10 && currentMonth <= 12)
				month =10;
			
			cal.set(cal.get(Calendar.YEAR), month-1, 1, 0, 0, 0);
			now = cal.getTime();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return now;
	}

	/** 
	* 当前季度的结束时间
	* 
	* @return 
	*/ 
	public static Date getCurrentQuarterEndTime() {
		Calendar cal = Calendar.getInstance();
		int currentMonth = cal.get(Calendar.MONTH) + 1;
		Date now = null;
		try {
			if (currentMonth >= 1 && currentMonth <= 3) {
				cal.set(cal.get(Calendar.YEAR), 2, 31, 23, 59, 59);
			} else if (currentMonth >= 4 && currentMonth <= 6) {
				cal.set(cal.get(Calendar.YEAR), 5, 30, 23, 59, 59);
			} else if (currentMonth >= 7 && currentMonth <= 9) {
				cal.set(cal.get(Calendar.YEAR), 8, 30, 23, 59, 59);
			} else if (currentMonth >= 10 && currentMonth <= 12) {
				cal.set(cal.get(Calendar.YEAR), 11, 31, 23, 59, 59);
			}
			now = cal.getTime();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return now;
	}
	
	
	public static String getFormatDate(Date d, String formatString){
	    String currentDate = "";
	    SimpleDateFormat format1 = new SimpleDateFormat(formatString);
	    currentDate = format1.format(d);
	    return currentDate;
	  }

	  public static String getCurrentDate(){
	    return getFormatDate(new Date(), "yyyy-MM-dd");
	  }

	  public static String getCurrentYear(){
	    return getFormatDate(new Date(), "yyyy");
	  }

	  public static String getCurrentMonth(){
	    return getFormatDate(new Date(), "MM");
	  }

	  public static String getFormateDateAll(){
	    return getFormatDate(new Date(), "yyyy-MM-dd HH:mm:ss");
	  }

	  public static String getFormateDateSimple(){
	    return getFormatDate(new Date(), "yyyyMMddHHmmss");
	  }

	  public static Date getDateAfterDay(Date d, int day){
	    Calendar now = Calendar.getInstance();
	    now.setTime(d);
	    now.set(5, now.get(5) + day);
	    return now.getTime();
	  }

	  public static Date getDateAfterHour(Date d, int hour){
	    Calendar now = Calendar.getInstance();
	    now.setTime(d);
	    now.set(10, now.get(10) + hour);
	    return now.getTime();
	  }

	  public static Date getDateAfterMinute(Date d, int minutes){
	    Calendar now = Calendar.getInstance();
	    now.setTime(d);
	    now.set(12, now.get(12) + minutes);
	    return now.getTime();
	  }

	  public static Date getDateAfterSecond(Date d, int second){
	    Calendar now = Calendar.getInstance();
	    now.setTime(d);
	    now.set(13, now.get(13) + second);
	    return now.getTime();
	  }

	  public static boolean dateCompare(Date date1, Date date2){
	    boolean dateComPareFlag = true;
	    if (date2.compareTo(date1) != 1) {
	      dateComPareFlag = false;
	    }
	    return dateComPareFlag;
	  }

	  public static long dateMinus(Date startTime, Date endTime){
	    return endTime.getTime() - startTime.getTime();
	  }

	  public static String time(String startTime, String endTime) throws ParseException{
	    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	    Date outdate = sdf.parse(endTime);
	    Date indate = sdf.parse(startTime);
	    long totalhours = (outdate.getTime() - indate.getTime()) / 3600000L;
	    long totalminutes = (outdate.getTime() - indate.getTime()) / 60000L - totalhours * 60L;
	    long totalseconds = (outdate.getTime() - indate.getTime()) / 1000L - totalminutes * 60L;
	    String total_time = totalhours + "时" + totalminutes + "分" + totalseconds + "秒";
	    return total_time;
	  }

	  public static String examRemainTime(String startTime, String endTime) throws ParseException{
	    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	    Date outdate = sdf.parse(endTime);
	    Date indate = sdf.parse(startTime);
	    long totalminutes = (outdate.getTime() - indate.getTime()) / 60000L;
	    long totalseconds = (outdate.getTime() - indate.getTime()) / 1000L - totalminutes * 60L;
	    String remainTime = totalminutes + "#" + totalseconds;
	    return remainTime;
	  }

	  public static Date getFormatStr(String dateStr, String formatString) {
	    SimpleDateFormat format1 = new SimpleDateFormat(formatString);
	    Date date = null;
	    try {
	      date = format1.parse(dateStr);
	    }
	    catch (ParseException e) {
	      e.printStackTrace();
	    }
	    return date;
	  }
	
	@SuppressWarnings("deprecation")
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println("当前时间："+ new Date().toLocaleString());
		System.out.println("当天0点时间："+ getTimesmorning().toLocaleString());
		System.out.println("当天24点时间："+ getTimesnight().toLocaleString());
		System.out.println("本周周一0点时间："+ getTimesWeekmorning().toLocaleString());
		System.out.println("本周周日24点时间："+ getTimesWeeknight().toLocaleString());
		System.out.println("本月初0点时间："+ getTimesMonthmorning().toLocaleString());
		System.out.println("本月未24点时间："+ getTimesMonthnight().toLocaleString());
		
		System.out.println("本周周一0点时间："+ getTimesWeekStart().toLocaleString());
		System.out.println("本周周日24点时间："+ getTimesWeekEed().toLocaleString());
		
		System.out.println("本季度开始时间："+ getCurrentQuarterStartTime().toLocaleString());
		System.out.println("本季度结束时间："+ getCurrentQuarterEndTime().toLocaleString());
	}
}