249 lines
6.7 KiB
Java
249 lines
6.7 KiB
Java
/**
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* Copyright (c) 2020 fumeiai All rights reserved.
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*
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*
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*
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* 版权所有，侵权必究！
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*/
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package com.lz.common.utils;
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import org.apache.commons.lang.StringUtils;
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import org.joda.time.DateTime;
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import org.joda.time.LocalDate;
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import org.joda.time.format.DateTimeFormat;
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import org.joda.time.format.DateTimeFormatter;
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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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/**
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* 日期处理
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*
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* @author Mark sunlightcs@gmail.com
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*/
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public class DateUtils {
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/** 时间格式(yyyy-MM-dd) */
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public final static String DATE_PATTERN = "yyyy-MM-dd";
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/** 时间格式(yyyy-MM-dd HH:mm:ss) */
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public final static String DATE_TIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
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/**
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* yyyyMMdd
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*/
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public static final String DEFAULT_PATTERN = "yyyyMMdd";
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/**
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* 日期格式化 日期格式为：yyyy-MM-dd
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* @param date 日期
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* @return 返回yyyy-MM-dd格式日期
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*/
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public static String format(Date date) {
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return format(date, DATE_PATTERN);
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}
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/**
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* 日期格式化 日期格式为：yyyy-MM-dd
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* @param date 日期
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* @param pattern 格式，如：DateUtils.DATE_TIME_PATTERN
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* @return 返回yyyy-MM-dd格式日期
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*/
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public static String format(Date date, String pattern) {
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if(date != null){
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SimpleDateFormat df = new SimpleDateFormat(pattern);
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return df.format(date);
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}
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return null;
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}
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/**
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* 字符串转换成日期
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* @param strDate 日期字符串
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* @param pattern 日期的格式，如：DateUtils.DATE_TIME_PATTERN
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*/
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public static Date stringToDate(String strDate, String pattern) {
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if (StringUtils.isBlank(strDate)){
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return null;
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}
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DateTimeFormatter fmt = DateTimeFormat.forPattern(pattern);
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return fmt.parseLocalDateTime(strDate).toDate();
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}
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/**
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* 根据周数，获取开始日期、结束日期
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* @param week 周期 0本周，-1上周，-2上上周，1下周，2下下周
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* @return 返回date[0]开始日期、date[1]结束日期
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*/
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public static Date[] getWeekStartAndEnd(int week) {
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DateTime dateTime = new DateTime();
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LocalDate date = new LocalDate(dateTime.plusWeeks(week));
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date = date.dayOfWeek().withMinimumValue();
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Date beginDate = date.toDate();
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Date endDate = date.plusDays(6).toDate();
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return new Date[]{beginDate, endDate};
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}
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/**
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* 对日期的【秒】进行加/减
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*
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* @param date 日期
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* @param seconds 秒数，负数为减
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* @return 加/减几秒后的日期
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*/
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public static Date addDateSeconds(Date date, int seconds) {
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DateTime dateTime = new DateTime(date);
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return dateTime.plusSeconds(seconds).toDate();
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}
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/**
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* 对日期的【分钟】进行加/减
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*
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* @param date 日期
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* @param minutes 分钟数，负数为减
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* @return 加/减几分钟后的日期
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*/
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public static Date addDateMinutes(Date date, int minutes) {
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DateTime dateTime = new DateTime(date);
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return dateTime.plusMinutes(minutes).toDate();
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}
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public static void main(String[] args) {
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Date da = DateUtils.addDateMinutes(new Date(), -30);
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System.out.println(DateUtils.format(da,DateUtils.DATE_TIME_PATTERN));
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}
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/**
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* 对日期的【小时】进行加/减
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*
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* @param date 日期
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* @param hours 小时数，负数为减
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* @return 加/减几小时后的日期
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*/
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public static Date addDateHours(Date date, int hours) {
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DateTime dateTime = new DateTime(date);
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return dateTime.plusHours(hours).toDate();
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}
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/**
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* 对日期的【天】进行加/减
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*
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* @param date 日期
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* @param days 天数，负数为减
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* @return 加/减几天后的日期
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*/
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public static Date addDateDays(Date date, int days) {
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DateTime dateTime = new DateTime(date);
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return dateTime.plusDays(days).toDate();
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}
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/**
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* 对日期的【周】进行加/减
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*
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* @param date 日期
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* @param weeks 周数，负数为减
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* @return 加/减几周后的日期
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*/
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public static Date addDateWeeks(Date date, int weeks) {
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DateTime dateTime = new DateTime(date);
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return dateTime.plusWeeks(weeks).toDate();
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}
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/**
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* 对日期的【月】进行加/减
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*
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* @param date 日期
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* @param months 月数，负数为减
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* @return 加/减几月后的日期
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*/
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public static Date addDateMonths(Date date, int months) {
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DateTime dateTime = new DateTime(date);
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return dateTime.plusMonths(months).toDate();
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}
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/**
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* 对日期的【年】进行加/减
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*
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* @param date 日期
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* @param years 年数，负数为减
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* @return 加/减几年后的日期
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*/
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public static Date addDateYears(Date date, int years) {
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DateTime dateTime = new DateTime(date);
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return dateTime.plusYears(years).toDate();
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}
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public static Date getCurrentDate() {
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Long time = System.currentTimeMillis();
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return new Date(time);
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}
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/**
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* Format date as given date format.
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*
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* @param date 日期
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* @return 格式化后的日期字符串
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*/
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public static String formatDate(final Date date, String format) {
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if (date == null) {
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return "";
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}
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return new SimpleDateFormat(format).format(date);
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}
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/**
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* Get start of date.
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*
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* @param date Date
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* @return Date Date
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*/
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public static Date getStartOfDate(final Date date) {
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Calendar cal = GregorianCalendar.getInstance();
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cal.setTime(date);
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cal.set(Calendar.HOUR_OF_DAY, 0);
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cal.set(Calendar.MINUTE, 0);
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cal.set(Calendar.SECOND, 0);
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cal.set(Calendar.MILLISECOND, 0);
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return new Date(cal.getTime().getTime());
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}
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/**
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* 一天的结束时间，【注：只精确到毫秒】
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*
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* @param date
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* @return
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*/
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public static Date getEndOfDate(final Date date) {
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Calendar cal = GregorianCalendar.getInstance();
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cal.setTime(date);
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cal.set(Calendar.HOUR_OF_DAY, 23);
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cal.set(Calendar.MINUTE, 59);
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cal.set(Calendar.SECOND, 59);
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cal.set(Calendar.MILLISECOND, 999);
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return new Date(cal.getTime().getTime());
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}
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/**
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* 计算 minute 分钟后的时间
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*
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* @param date
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* @param minute
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* @return
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*/
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public static Date addMinute(Date date, int minute) {
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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calendar.add(Calendar.MINUTE, minute);
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return calendar.getTime();
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}
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}
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