package com.ycl.controller.video.common.util;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.GregorianCalendar;
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public class DateUtils {
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/**
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* 获取两日期之间间隔的天数
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*
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* @param smdate
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* 较小的时间
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* @param bdate
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* 较大的时间
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* @return 相差天数
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*/
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public static int daysBetween(Date smdate, Date bdate) {
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long between_days = 0;
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try {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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smdate = sdf.parse(sdf.format(smdate));
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bdate = sdf.parse(sdf.format(bdate));
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Calendar cal = Calendar.getInstance();
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cal.setTime(smdate);
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long time1 = cal.getTimeInMillis();
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cal.setTime(bdate);
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long time2 = cal.getTimeInMillis();
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between_days = (time2 - time1) / (1000 * 3600 * 24);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return Integer.parseInt(String.valueOf(between_days));
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}
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public static boolean isBetween(Date date, Date startDate, Date endDate) {
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try {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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startDate = sdf.parse(sdf.format(startDate));
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endDate = sdf.parse(sdf.format(endDate));
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date = sdf.parse(sdf.format(date));
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Calendar cal = Calendar.getInstance();
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cal.setTime(date);
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long time0 = cal.getTimeInMillis();
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cal.setTime(startDate);
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long time1 = cal.getTimeInMillis();
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cal.setTime(endDate);
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long time2 = cal.getTimeInMillis();
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if (time0 > time1 && time0 <= time2)
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return true;
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return false;
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}
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public static boolean isToday(Date date) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
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String _date = sdf.format(date);
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String _today = sdf.format(new Date());
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return _date.equals(_today);
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}
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public static long DifferMillis(Date sDate, Date eDate) {
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try {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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sDate = sdf.parse(sdf.format(sDate));
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eDate = sdf.parse(sdf.format(eDate));
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Calendar cal = Calendar.getInstance();
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cal.setTime(sDate);
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long time1 = cal.getTimeInMillis();
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cal.setTime(eDate);
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long time2 = cal.getTimeInMillis();
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return Math.abs(time1 - time2);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return -1L;
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}
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public static long DifferSeconds(Date sDate, Date eDate) {
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return DifferMillis(sDate, eDate) / 1000;
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}
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/**
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* 相差分钟数
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*
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* @param sDate
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* @param eDate
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* @return
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*/
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public static long DifferMinutes(Date sDate, Date eDate) {
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return Long.parseLong(String.valueOf(DifferMillis(sDate, eDate)
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/ (1000 * 60)));
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}
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public static String getNowDate(String format) {
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return new SimpleDateFormat(format).format(new Date());
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}
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public static String getTomorrowDate(String format) {
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return new SimpleDateFormat(format).format(addDate(new Date(), 1));
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}
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public static String getDateString(Date date, String format) {
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return new SimpleDateFormat(format).format(date);
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}
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public static String getNow() {
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return getDateString(new Date(), DateUtils.DATE_TIME_PATTERN);
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}
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public static Date parse(String date, String format) {
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try {
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return new SimpleDateFormat(format).parse(date);
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} catch (ParseException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return null;
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}
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public static boolean nowTimeBetween(String beginTimeStr, String endTimeStr)
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throws ParseException {
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SimpleDateFormat dateFormat = new SimpleDateFormat("hh:mm:ss");
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Long beginTime = dateFormat.parse(beginTimeStr).getTime();
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Long endTime = dateFormat.parse(endTimeStr).getTime();
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Long nowTime = dateFormat.parse(dateFormat.format(new Date()))
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.getTime();
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if (nowTime >= beginTime && nowTime <= endTime) {
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return true;
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}
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return false;
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}
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@SuppressWarnings("static-access")
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public static Date addDate(Date date, int days) {
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Calendar calendar = new GregorianCalendar();
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calendar.setTime(date);
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calendar.add(calendar.DATE, days);// 把日期往后增加一天.整数往后推,负数往前移动
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return calendar.getTime(); // 这个时间就是日期往后推一天的结果
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}
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@SuppressWarnings("static-access")
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public static Date addHour(Date date, int hour) {
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Calendar calendar = new GregorianCalendar();
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calendar.setTime(date);
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calendar.add(calendar.HOUR, hour);// 把日期往后增加一天.整数往后推,负数往前移动
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return calendar.getTime(); // 这个时间就是日期往后推一天的结果
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}
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@SuppressWarnings("static-access")
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public static Date addMinute(Date date, int minute) {
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Calendar calendar = new GregorianCalendar();
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calendar.setTime(date);
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calendar.add(calendar.MINUTE, minute);// 把日期往后增加一天.整数往后推,负数往前移动
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return calendar.getTime(); // 这个时间就是日期往后推一天的结果
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}
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@SuppressWarnings("static-access")
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public static Date addSecond(Date date, int second) {
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Calendar calendar = new GregorianCalendar();
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calendar.setTime(date);
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calendar.add(calendar.SECOND, second);// 把日期往后增加一天.整数往后推,负数往前移动
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return calendar.getTime(); // 这个时间就是日期往后推一天的结果
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}
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/**
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*
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* @param timestamp
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* 秒
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* @return
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*/
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public static Date getDate(String timestamp) {
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return getDateBySecond(Long.parseLong(timestamp)); // 这个时间就是日期往后推一天的结果
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}
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/**
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*
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* @param timestamp
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* 毫秒
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* @return
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*/
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public static Date getDateByMillis(long timestamp) {
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Calendar calendar = new GregorianCalendar();
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calendar.setTimeInMillis(timestamp);
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return calendar.getTime(); // 这个时间就是日期往后推一天的结果
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}
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/**
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*
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* @param timestamp
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* 秒
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* @return
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*/
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public static Date getDateBySecond(long timestamp) {
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return getDateByMillis(timestamp * 1000); // 这个时间就是日期往后推一天的结果
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}
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public static long getTimestamp(Date date) {
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Calendar calendar = new GregorianCalendar();
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calendar.setTime(date);
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return calendar.getTimeInMillis(); // 这个时间就是日期往后推一天的结果
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}
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public static long DifferMillis(String timestamp, String nowTimestamp) {
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Date date1 = parse(timestamp, DATE_TIME_PATTERN);
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Date date2 = parse(nowTimestamp, DATE_TIME_PATTERN);
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return DifferMillis(date1, date2);
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}
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public static long DifferMillis(String timestamp, Date date) {
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Date date1 = parse(timestamp, DATE_TIME_PATTERN);
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return DifferMillis(date1, date);
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}
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public static String dateToStamp(String s) throws ParseException{
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String res;
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SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
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Date date = simpleDateFormat.parse(s);
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long ts = date.getTime();
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res = String.valueOf(ts);
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return res;
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}
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public static void main(String[] args) throws ParseException {
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System.out.println(DateUtils.getDateString(new Date(), "yyyy-MM-dd HH:mm:ss"));
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}
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public static final String DATE_TIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
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}
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