package com.ruoyi.common.core.utils;
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import org.apache.commons.lang3.time.DateFormatUtils;
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import java.lang.management.ManagementFactory;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.time.*;
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import java.util.Calendar;
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import java.util.Date;
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/**
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* 时间工具类
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*
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* @author jqs
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*/
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public class DateUtils extends org.apache.commons.lang3.time.DateUtils
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{
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public static String YYYY = "yyyy";
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public static String YYYY_MM = "yyyy-MM";
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public static String YYYY_MM_DD = "yyyy-MM-dd";
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public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
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public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
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private static String[] parsePatterns = {
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"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
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"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
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"yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
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public static void main(String[] args) throws ParseException {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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Date start = sdf.parse("2021-10-01 10:00:00");
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Date end = sdf.parse("2021-10-01 12:30:00");
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String time = formatDuration(start,end);
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System.out.println(time);
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}
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/**
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* 获取当前Date型日期
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*
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* @return Date() 当前日期
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*/
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public static Date getNowDate()
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{
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return new Date();
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}
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/**
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* 获取当前日期, 默认格式为yyyy-MM-dd
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*
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* @return String
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*/
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public static String getDate()
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{
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return dateTimeNow(YYYY_MM_DD);
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}
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public static final String getTime()
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{
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return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
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}
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public static final String dateTimeNow()
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{
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return dateTimeNow(YYYYMMDDHHMMSS);
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}
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public static final String dateTimeNow(final String format)
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{
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return parseDateToStr(format, new Date());
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}
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public static final String dateTime(final Date date)
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{
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return parseDateToStr(YYYY_MM_DD_HH_MM_SS, date);
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}
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public static final String parseDateToStr(final String format, final Date date)
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{
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return new SimpleDateFormat(format).format(date);
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}
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public static final Date dateTime(final String format, final String ts)
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{
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try
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{
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return new SimpleDateFormat(format).parse(ts);
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}
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catch (ParseException e)
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{
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throw new RuntimeException(e);
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}
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}
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/**
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* 日期路径 即年/月/日 如2018/08/08
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*/
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public static final String datePath()
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{
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Date now = new Date();
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return DateFormatUtils.format(now, "yyyy/MM/dd");
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}
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/**
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* 日期路径 即年/月/日 如20180808
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*/
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public static final String dateTime()
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{
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Date now = new Date();
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return DateFormatUtils.format(now, "yyyyMMdd");
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}
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/**
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* 日期型字符串转化为日期 格式
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*/
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public static Date parseDate(Object str)
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{
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if (str == null)
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{
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return null;
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}
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try
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{
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return parseDate(str.toString(), parsePatterns);
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}
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catch (ParseException e)
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{
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return null;
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}
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}
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/**
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* 获取服务器启动时间
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*/
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public static Date getServerStartDate()
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{
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long time = ManagementFactory.getRuntimeMXBean().getStartTime();
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return new Date(time);
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}
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/**
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* 计算时间差
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*
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* @param endDate 最后时间
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* @param startTime 开始时间
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* @return 时间差（天/小时/分钟）
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*/
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public static String timeDistance(Date endDate, Date startTime)
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{
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long nd = 1000 * 24 * 60 * 60;
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long nh = 1000 * 60 * 60;
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long nm = 1000 * 60;
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// long ns = 1000;
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// 获得两个时间的毫秒时间差异
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long diff = endDate.getTime() - startTime.getTime();
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// 计算差多少天
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long day = diff / nd;
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// 计算差多少小时
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long hour = diff % nd / nh;
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// 计算差多少分钟
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long min = diff % nd % nh / nm;
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// 计算差多少秒//输出结果
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// long sec = diff % nd % nh % nm / ns;
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return day + "天" + hour + "小时" + min + "分钟";
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}
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public static long diffTime(Date startTime, Date endTime){
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// 获取Calendar实例
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Calendar cal1 = Calendar.getInstance();
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Calendar cal2 = Calendar.getInstance();
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// 设置Calendar对象的时间
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cal1.setTime(startTime);
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cal2.setTime(endTime);
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// 获取时间差
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long milliseconds1 = cal1.getTimeInMillis();
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long milliseconds2 = cal2.getTimeInMillis();
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long diff = milliseconds2 - milliseconds1;
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return diff;
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}
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/**
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* 增加 LocalDateTime ==> Date
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*/
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public static Date toDate(LocalDateTime temporalAccessor)
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{
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ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
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return Date.from(zdt.toInstant());
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}
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/**
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* 增加 LocalDate ==> Date
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*/
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public static Date toDate(LocalDate temporalAccessor)
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{
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LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
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ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
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return Date.from(zdt.toInstant());
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}
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public static String formatDuration(Date start, Date end) {
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long duration = end.getTime() - start.getTime();
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long days = duration / (24 * 60 * 60 * 1000);
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long hours = (duration % (24 * 60 * 60 * 1000)) / (60 * 60 * 1000);
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long minutes = (duration % (60 * 60 * 1000)) / (60 * 1000);
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long seconds = (duration % (60 * 1000)) / 1000;
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StringBuilder sb = new StringBuilder();
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if (days > 0) {
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sb.append(days).append("天");
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}
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if (hours > 0) {
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sb.append(hours).append("小时");
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}
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if (minutes > 0) {
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sb.append(minutes).append("分");
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}
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if (seconds > 0) {
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sb.append(seconds).append("秒");
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}
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return sb.toString();
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}
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public static Date getTodayStartTime() {
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// 获取今天的日期
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LocalDate today = LocalDate.now();
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// 获取当天的开始时间（00:00:00）
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LocalDateTime startOfDay = today.atStartOfDay();
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// 转换为 Date 类型
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return Date.from(startOfDay.atZone(ZoneId.systemDefault()).toInstant());
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}
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}
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