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- package com.pavis.ctr.audit.common.utils;
- import org.apache.commons.lang3.time.DateFormatUtils;
- import java.lang.management.ManagementFactory;
- import java.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.time.*;
- import java.util.Calendar;
- import java.util.Date;
- /**
- * 时间工具类
- *
- * @author alibct
- */
- public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
- public static String YYYY = "yyyy";
- public static String YYYY_MM = "yyyy-MM";
- public static String YYYY_MM_DD = "yyyy-MM-dd";
- public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
- public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
- 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"};
- /**
- * 获取当前Date型日期
- *
- * @return Date() 当前日期
- */
- public static Date getNowDate() {
- return new Date();
- }
- /**
- * 获取当前日期, 默认格式为yyyy-MM-dd
- *
- * @return String
- */
- public static String getDate() {
- return dateTimeNow(YYYY_MM_DD);
- }
- public static final String getTime() {
- return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
- }
- public static final String dateTimeNow() {
- return dateTimeNow(YYYYMMDDHHMMSS);
- }
- public static final String dateTimeNow(final String format) {
- return parseDateToStr(format, new Date());
- }
- public static final String dateTime(final Date date) {
- return parseDateToStr(YYYY_MM_DD, date);
- }
- public static final String parseDateToStr(final String format, final Date date) {
- return new SimpleDateFormat(format).format(date);
- }
- public static final Date dateTime(final String format, final String ts) {
- try {
- return new SimpleDateFormat(format).parse(ts);
- } catch (ParseException e) {
- throw new RuntimeException(e);
- }
- }
- /**
- * 日期路径 即年/月/日 如2018/08/08
- */
- public static final String datePath() {
- Date now = new Date();
- return DateFormatUtils.format(now, "yyyy/MM/dd");
- }
- /**
- * 日期路径 即年/月/日 如20180808
- */
- public static final String dateTime() {
- Date now = new Date();
- return DateFormatUtils.format(now, "yyyyMMdd");
- }
- /**
- * 日期型字符串转化为日期 格式
- */
- public static Date parseDate(Object str) {
- if (str == null) {
- return null;
- }
- try {
- return parseDate(str.toString(), parsePatterns);
- } catch (ParseException e) {
- return null;
- }
- }
- /**
- * 获取服务器启动时间
- */
- public static Date getServerStartDate() {
- long time = ManagementFactory.getRuntimeMXBean().getStartTime();
- return new Date(time);
- }
- /**
- * 计算相差天数
- */
- public static int differentDaysByMillisecond(Date date1, Date date2) {
- return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
- }
- /**
- * 计算时间差
- *
- * @param endDate 最后时间
- * @param startTime 开始时间
- * @return 时间差(天/小时/分钟)
- */
- public static String timeDistance(Date endDate, Date startTime) {
- long nd = 1000 * 24 * 60 * 60;
- long nh = 1000 * 60 * 60;
- long nm = 1000 * 60;
- // long ns = 1000;
- // 获得两个时间的毫秒时间差异
- long diff = endDate.getTime() - startTime.getTime();
- // 计算差多少天
- long day = diff / nd;
- // 计算差多少小时
- long hour = diff % nd / nh;
- // 计算差多少分钟
- long min = diff % nd % nh / nm;
- // 计算差多少秒//输出结果
- // long sec = diff % nd % nh % nm / ns;
- return day + "天" + hour + "小时" + min + "分钟";
- }
- /**
- * 增加 LocalDateTime ==> Date
- */
- public static Date toDate(LocalDateTime temporalAccessor) {
- ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
- return Date.from(zdt.toInstant());
- }
- /**
- * 增加 LocalDate ==> Date
- */
- public static Date toDate(LocalDate temporalAccessor) {
- LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
- ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
- return Date.from(zdt.toInstant());
- }
- /**
- * 当前时间往后减一天 接受时间类型:yyyy-mm-dd的字符串
- *
- * @return
- */
- public static String minusOneDay(String time) throws ParseException {
- SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-mm-dd");
- //将接收的time中的年月日截取成String数组
- String[] timeStr = time.split("-");
- Calendar calendar = Calendar.getInstance();
- int year = Integer.valueOf(timeStr[0]);
- int month = Integer.valueOf(timeStr[1]);
- int day = Integer.valueOf(timeStr[2]);
- //判断time中的日期是否是该年该月的一号,如果不是就往前减一天;如果是就看情况减月份和年份
- if (day <= 1) {
- String date = null;
- //如果月份不是1月,就对月份减一;如果月份是1月,就对年份减一;
- if (month > 1) {
- month--;
- Calendar c = Calendar.getInstance();
- c.set(year, month, 0);
- Date parse = dateFormat.parse(year + "-" + month + "-" + c.get(c.DAY_OF_MONTH));
- date = dateFormat.format(parse);
- } else if (month == 1) {
- year--;
- date = year + "-12-31";
- }
- return date;
- }
- //time中的日期不是该年该月的一号,直接往前减一天
- Date date = dateFormat.parse(time);
- calendar.setTime(date);
- calendar.add(calendar.DATE, -1);
- return dateFormat.format(calendar.getTime());
- }
- /**
- * 当前时间往前加一天 接受时间类型:yyyy-mm-dd的字符串
- *
- * @return
- */
- public static String addOneDay(String time) throws ParseException {
- SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-mm-dd");
- //将接收的time中的年月日截取成String数组
- String[] timeStr = time.split("-");
- //确定time中的那一年的那个月份有多少天
- Calendar calendar = Calendar.getInstance();
- int year = Integer.valueOf(timeStr[0]);
- int month = Integer.valueOf(timeStr[1]);
- int day = Integer.valueOf(timeStr[2]);
- calendar.set(year, month, 0);
- int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
- //判断time中的日期是否超过了该年该月的最后一天,如果超过就进行以下处理
- if (day >= dayOfMonth) {
- String date = null;
- //判断月份是否是12月,不是就往后加一个月;是的话就把年份加一年
- if (month < 12) {
- month++;
- Date parse = dateFormat.parse(year + "-" + month + "-01");
- date = dateFormat.format(parse);
- } else if (month == 12) {
- year++;
- date = year + "-01-01";
- }
- return date;
- }
- //time中的日期没有超过该年该月的最后一天,则天数往后加一天
- calendar.setTime(dateFormat.parse(time));
- calendar.add(calendar.DATE, 1);
- return dateFormat.format(calendar.getTime());
- }
- }
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