/**
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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.sinata.rest.core.util;
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import cn.hutool.core.date.DatePattern;
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import cn.hutool.core.util.StrUtil;
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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 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.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.Calendar;
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import java.util.Date;
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public class DateUtils {
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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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* 时间格式字符串，转为时间格式字符串
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*/
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public static String formatDate(String dateStr, String pattern) {
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try {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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return DateFormatUtils.format(sdf.parse(dateStr), pattern);
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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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* 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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return org.apache.commons.lang3.time.DateUtils.parseDate(date, pattern);
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} catch (ParseException e) {
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e.printStackTrace();
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return null;
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}
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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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// java.util包
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Calendar canlendar = Calendar.getInstance();
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// 日期减 如果不够减会将月变动
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canlendar.add(Calendar.DATE, daysInt);
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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天之后的日期
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*/
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public static String getAfterDayDate(String days, String pattern) {
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int daysInt = Integer.parseInt(days);
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// java.util包
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Calendar canlendar = Calendar.getInstance();
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// 日期减 如果不够减会将月变动
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canlendar.add(Calendar.DATE, daysInt);
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Date date = canlendar.getTime();
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SimpleDateFormat sdfd = new SimpleDateFormat(pattern == null ? "yyyy-MM-dd HH:mm:ss" : "yyyy-MM-dd");
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String dateStr = sdfd.format(date);
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return dateStr;
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}
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public static Date getForwardOrAfterDayDate(Date date, int days) {
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// java.util包
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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// 日期减 如果不够减会将月变动
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calendar.add(Calendar.DATE, days);
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return calendar.getTime();
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}
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/**
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* 得到X分钟前/后的时间
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*
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* @param minutes
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* @param pattern
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* @return
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*/
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public static String getForwardOrAfterMinutesDate(int minutes, String pattern) {
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// java.util包
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Calendar calendar = Calendar.getInstance();
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// 日期减 如果不够减会将月变动
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calendar.add(Calendar.MINUTE, minutes);
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Date date = calendar.getTime();
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SimpleDateFormat sdfd = new SimpleDateFormat(pattern == null ? "yyyy-MM-dd HH:mm:ss" : pattern);
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String dateStr = sdfd.format(date);
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return dateStr;
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}
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public static String getForwardOrAfterMinutesDate(Date date, int minutes, String pattern) {
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// java.util包
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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// 日期减 如果不够减会将月变动
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calendar.add(Calendar.MINUTE, minutes);
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date = calendar.getTime();
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SimpleDateFormat sdf = new SimpleDateFormat(pattern == null ? "yyyy-MM-dd HH:mm:ss" : pattern);
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String dateStr = sdf.format(date);
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return dateStr;
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}
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public static Date getForwardOrAfterMinutesDate(Date date, int minutes) {
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// java.util包
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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// 日期减 如果不够减会将月变动
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calendar.add(Calendar.MINUTE, minutes);
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return calendar.getTime();
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}
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/**
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* 得到X小时前/后的时间
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*
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* @param hours 正数：X小时后的时间，负数：X小时前的时间
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* @param pattern 时间格式
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* @return
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*/
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public static String getForwardOrAfterHoursDate(int hours, String pattern) {
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// java.util包
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Calendar canlendar = Calendar.getInstance();
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// 日期减 如果不够减会将月变动
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canlendar.add(Calendar.HOUR_OF_DAY, hours);
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Date date = canlendar.getTime();
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SimpleDateFormat sdfd = new SimpleDateFormat(pattern == null ? "yyyy-MM-dd HH:mm:ss" : pattern);
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String dateStr = sdfd.format(date);
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return dateStr;
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}
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public static Date getForwardOrAfterHoursDate(Date date, int hours) {
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// java.util包
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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// 日期减 如果不够减会将月变动
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calendar.add(Calendar.HOUR, hours);
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return calendar.getTime();
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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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// java.util包
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Calendar canlendar = Calendar.getInstance();
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// 日期减 如果不够减会将月变动
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canlendar.add(Calendar.DATE, daysInt);
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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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* 判断日期是否相同（今天、本月、今年）
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*
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* @param date1 时间A
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* @param date2 时间B
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* @param pattern 时间格式，默认：YYYYMMdd
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* @return
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*/
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public static boolean isSameDate(Date date1, Date date2, String pattern) {
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SimpleDateFormat fmt = new SimpleDateFormat(pattern == null ? "YYYYMMdd" : pattern);
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return fmt.format(date1).equals(fmt.format(date2));
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}
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/**
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* 判断时间是否在时间段内
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*
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* @param nowTime
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* @param beginTime
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* @param endTime
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*/
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public static boolean inTimePeriod(Date nowTime, Date beginTime, Date endTime) {
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try {
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Calendar now = Calendar.getInstance();
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now.setTime(nowTime);
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Calendar begin = Calendar.getInstance();
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begin.setTime(beginTime);
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Calendar end = Calendar.getInstance();
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end.setTime(endTime);
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// 开始时间、结束时间在同一天, now > begin && now < end
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if (now.after(begin) && now.before(end)) {
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return true;
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}
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// 在时间点上，或全天范围
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if (begin.equals(now) || now.equals(end) || begin.equals(end)) {
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return true;
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}
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// 结束时间属于第二天，begin > end && (begin < now || now < end)
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else if (begin.after(end) && (begin.before(now) || now.before(end))) {
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return true;
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}
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} catch (Exception 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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/**
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* 获取指定时间月份最后一天
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*
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* @param date 指定时间，null默认当前时间
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* @return
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*/
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public static String getLastDayOfMonth(Date date) {
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// 设置时间格式
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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//获得实体类
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Calendar calendar = Calendar.getInstance();
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if (date != null) {
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calendar.setTime(date);
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}
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//设置最后一天
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calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
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// 最后一天格式化
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String lastDay = sdf.format(calendar.getTime());
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return lastDay;
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}
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/**
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* 获取指定时间前后X月最后一天
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*
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* @param month 指定时间 = 指定月份 + month
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* @param date 指定时间，null默认当前时间
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* @return
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*/
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public static String getLastDayOfMonth(int month, Date date) {
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// 设置时间格式
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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//获得实体类
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Calendar calendar = Calendar.getInstance();
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if (date != null) {
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// 设置为当前时间
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calendar.setTime(date);
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}
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// 设置上X月
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calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + month);
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//设置最后一天
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calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
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String lastDay = sdf.format(calendar.getTime());
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return lastDay;
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}
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/**
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* <p>
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* 获取昨天的年月日
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* </p>
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*/
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public static String getYesterdayDate() {
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DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
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Calendar calendar = Calendar.getInstance();
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calendar.set(Calendar.HOUR_OF_DAY, -24);
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String yesterdayDate = dateFormat.format(calendar.getTime());
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return yesterdayDate;
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}
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public static String getFormatDate(LocalDateTime dateTime, String pattern) {
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if (StrUtil.isEmpty(pattern)) {
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pattern = DatePattern.NORM_DATETIME_PATTERN;
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}
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DateTimeFormatter dtf = DateTimeFormatter.ofPattern(pattern);
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return dtf.format(dateTime);
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}
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}
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