/**
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* Copyright (c) 2015-2016, Chill Zhuang 庄骞 (smallchill@163.com).
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* <p>
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.dsh.other.util;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.lang3.time.DateFormatUtils;
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import org.apache.commons.lang3.time.DateUtils;
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import java.sql.Timestamp;
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import java.text.DateFormat;
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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.Objects;
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import java.util.TimeZone;
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public class DateUtil {
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private static TimeZone tz = TimeZone.getTimeZone("GMT+8");
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/**
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* 获取YYYY格式
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*/
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public static String getYear() {
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return formatDate(new Date(), "yyyy");
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}
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/**
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* 获取YYYY格式
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*/
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public static String getYear(Date date) {
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return formatDate(date, "yyyy");
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}
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/**
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* 获取YYYY-MM-DD格式
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*/
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public static String getDay() {
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return formatDate(new Date(), "yyyy-MM-dd");
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}
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/**
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* 获取YYYY-MM-DD格式
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*/
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public static String getDay(Date date) {
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return formatDate(date, "yyyy-MM-dd");
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}
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/**
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* 获取YYYYMMDD格式
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*/
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public static String getDays() {
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return formatDate(new Date(), "yyyyMMdd");
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}
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/**
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* 获取YYYYMMDD格式
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*/
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public static String getDays(Date date) {
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return formatDate(date, "yyyyMMdd");
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}
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/**
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* 获取YYYY-MM-DD HH:mm:ss格式
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*/
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public static String getTime() {
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return formatDate(new Date(), "yyyy-MM-dd HH:mm:ss");
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}
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/**
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* 获取YYYY-MM-DD HH:mm:ss.SSS格式
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*/
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public static String getMsTime() {
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return formatDate(new Date(), "yyyy-MM-dd HH:mm:ss.SSS");
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}
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/**
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* 获取YYYYMMDDHHmmss格式
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*/
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public static String getAllTime() {
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return formatDate(new Date(), "yyyyMMddHHmmss");
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}
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/**
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* 获取YYYY-MM-DD HH:mm:ss格式
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*/
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public static String getTime(Date date) {
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return formatDate(date, "yyyy-MM-dd HH:mm:ss");
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}
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public static String formatDate(Date date, String pattern) {
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String formatDate = null;
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if (StringUtils.isNotBlank(pattern)) {
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formatDate = DateFormatUtils.format(date, pattern);
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} else {
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formatDate = DateFormatUtils.format(date, "yyyy-MM-dd");
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}
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return formatDate;
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}
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/**
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* 日期比较，如果s>=e 返回true 否则返回false)
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*
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* @author luguosui
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*/
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public static boolean compareDate(String s, String e) {
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if (parseDate(s) == null || parseDate(e) == null) {
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return false;
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}
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return parseDate(s).getTime() >= parseDate(e).getTime();
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}
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/**
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* 格式化日期
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*/
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public static Date parseDate(String date) {
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return parse(date, "yyyy-MM-dd");
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}
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/**
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* 格式化日期
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*/
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public static Date parseTimeMinutes(String date) {
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return parse(date, "yyyy-MM-dd HH:mm");
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}
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/**
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* 格式化日期
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*/
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public static Date parseTime(String date) {
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return parse(date, "yyyy-MM-dd HH:mm:ss");
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}
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/**
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* 格式化日期
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*/
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public static Date parse(String date, String pattern) {
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try {
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if (Objects.nonNull(date)) {
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return DateUtils.parseDate(date, pattern);
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}
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 格式化日期
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*/
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public static String format(Date date, String pattern) {
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return DateFormatUtils.format(date, pattern);
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}
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/**
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* 把日期转换为Timestamp
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*/
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public static Timestamp format(Date date) {
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return new Timestamp(date.getTime());
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}
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/**
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* 校验日期是否合法
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*/
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public static boolean isValidDate(String s) {
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return parse(s, "yyyy-MM-dd HH:mm:ss") != null;
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}
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/**
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* 校验日期是否合法
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*/
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public static boolean isValidDate(String s, String pattern) {
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return parse(s, pattern) != null;
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}
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public static int getDiffYear(String startTime, String endTime) {
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DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");
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try {
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int years = (int) (((fmt.parse(endTime).getTime() - fmt.parse(
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startTime).getTime()) / (1000 * 60 * 60 * 24)) / 365);
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return years;
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} catch (Exception e) {
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// 如果throw java.text.ParseException或者NullPointerException，就说明格式不对
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return 0;
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}
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}
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/**
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* <li>功能描述：时间相减得到天数
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*/
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public static long getDaySub(String beginDateStr, String endDateStr) {
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long day = 0;
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SimpleDateFormat format = new SimpleDateFormat(
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"yyyy-MM-dd");
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Date beginDate = null;
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Date endDate = null;
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try {
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beginDate = format.parse(beginDateStr);
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endDate = format.parse(endDateStr);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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day = (endDate.getTime() - beginDate.getTime()) / (24 * 60 * 60 * 1000);
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// System.out.println("相隔的天数="+day);
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return day;
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}
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/**
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* 得到n天之后的日期
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*/
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public static String getAfterDayDate(String days) {
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int daysInt = Integer.parseInt(days);
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Calendar canlendar = Calendar.getInstance(); // java.util包
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canlendar.add(Calendar.DATE, daysInt); // 日期减 如果不够减会将月变动
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Date date = canlendar.getTime();
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SimpleDateFormat sdfd = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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String dateStr = sdfd.format(date);
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return dateStr;
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}
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/**
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* 得到n天之后是周几
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*/
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public static String getAfterDayWeek(String days) {
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int daysInt = Integer.parseInt(days);
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Calendar canlendar = Calendar.getInstance(); // java.util包
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canlendar.add(Calendar.DATE, daysInt); // 日期减 如果不够减会将月变动
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Date date = canlendar.getTime();
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SimpleDateFormat sdf = new SimpleDateFormat("E");
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String dateStr = sdf.format(date);
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return dateStr;
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}
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/**
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* 得到系统日期
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*
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* @return
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*/
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public static Date getDate() {
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TimeZone.setDefault(tz);
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return new Date();
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}
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/**
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* 获取当前毫秒数
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*
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* @return long
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*/
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public static long getCurMilli() {
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long millisecond = 0;
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Calendar cal = Calendar.getInstance();
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millisecond = cal.getTimeInMillis();
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return millisecond;
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}
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/**
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* 得到系统Calendar日期
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*
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* @return
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*/
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public static Calendar getCalendar() {
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TimeZone.setDefault(tz);
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Calendar cal = Calendar.getInstance();
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return cal;
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}
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/**
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* 毫秒转日期时间
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*
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* @param millisecond
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* @return
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*/
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public static String getDateTime(long millisecond) {
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if (millisecond == 0) {
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millisecond = getCurMilli();
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}
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SimpleDateFormat dateformat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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Calendar calendar = getCalendar();
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calendar.setTimeInMillis(millisecond);
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return dateformat.format(calendar.getTime());
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}
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/**
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* 日期转毫秒（加分钟）
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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 long getMillisecond_fz(String date, Integer day) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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String newDate = "";
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if ("".equals(date)) {
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newDate = sdf.format(DateUtil.getDate());
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} else {
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newDate = getDateTime(Long.parseLong(date));
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}
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Date dt = null;
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try {
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dt = sdf.parse(newDate);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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Calendar rightNow = Calendar.getInstance();
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rightNow.setTime(dt);
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rightNow.add(Calendar.MINUTE, day);
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Date dt1 = rightNow.getTime();
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return dt1.getTime();
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}
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/**
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* 计算年龄
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*
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* @param birthDate
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* @return
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*/
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public static int age(Date birthDate) {
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// 当前日历
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Calendar nowCalendar = Calendar.getInstance();
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// 生日大于当前日期
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if (nowCalendar.before(birthDate)) {
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throw new IllegalArgumentException("The birth date is before current time, it's unbelievable");
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}
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// 当前年月日
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int yearNow = nowCalendar.get(Calendar.YEAR);
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int monthNow = nowCalendar.get(Calendar.MONTH);
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int dayNow = nowCalendar.get(Calendar.DAY_OF_MONTH);
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// 出生日期年月日
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Calendar birthCalendar = Calendar.getInstance();
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birthCalendar.setTime(birthDate);
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int yearBirth = birthCalendar.get(Calendar.YEAR);
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int monthBirth = birthCalendar.get(Calendar.MONTH);
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int dayBirth = birthCalendar.get(Calendar.DAY_OF_MONTH);
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// 粗计算年龄
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int age = yearNow - yearBirth;
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// 当前月份小于出生月份年龄减一
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if (monthNow < monthBirth) {
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age--;
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}
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// 当前月份等于出生月份，日小于生日年龄减一
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else if (monthNow == monthBirth && dayNow < dayBirth) {
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age--;
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}
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// 返回年龄值
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return age;
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}
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}
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