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+package com.tzld.supply.util;
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+
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+import org.springframework.util.StringUtils;
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+
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+import java.text.SimpleDateFormat;
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+import java.time.Instant;
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+import java.time.LocalDate;
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+import java.time.LocalDateTime;
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+import java.time.ZoneId;
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+import java.time.format.DateTimeFormatter;
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+import java.time.format.DateTimeParseException;
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+import java.time.temporal.ChronoUnit;
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+import java.util.*;
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+
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+/**
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+ * @author dyp
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+ */
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+public final class DateUtils {
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+ public static String getCurrentDateStr(String format) {
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+ SimpleDateFormat dateFormat = new SimpleDateFormat(format);
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+ Date currentDate = new Date();
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+ return dateFormat.format(currentDate);
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+ }
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+
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+ public static int getCurrentHour() {
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ return calendar.get(Calendar.HOUR_OF_DAY);
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+ }
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+
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+ public static String getBeforeDaysDateStr(String format, int d) {
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+ SimpleDateFormat dateFormat = new SimpleDateFormat(format);
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ calendar.setTime(new Date());
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+ calendar.add(Calendar.DAY_OF_MONTH, -d);
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+ Date previousDate = calendar.getTime();
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+ return dateFormat.format(previousDate);
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+ }
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+
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+ public static String getBeforeDaysDateStr(String dateStr, String format, int d) {
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+ SimpleDateFormat dateFormat = new SimpleDateFormat(format);
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+ Date date = new Date();
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+ try {
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+ date = dateFormat.parse(dateStr);
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+ } catch (Exception ignore) {}
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ calendar.setTime(date);
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+ calendar.add(Calendar.DAY_OF_MONTH, -d);
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+ Date previousDate = calendar.getTime();
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+ return dateFormat.format(previousDate);
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+ }
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+
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+
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+ public static boolean ifTimeRangeInNow(String timeRange) {
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+ try {
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+
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+ String[] split = timeRange.split("-");
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+ if (split.length != 2) {
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+ return false;
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+ }
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+ String startTime = split[0];
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+ String endTime = split[1];
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+ if (startTime.length() != 10 || endTime.length() != 10) {
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+ return false;
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+ }
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+ LocalDateTime now = LocalDateTime.now();
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+ LocalDateTime start = LocalDateTime.parse(startTime, DateTimeFormatter.ofPattern("yyyyMMddHH"));
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+ LocalDateTime end = LocalDateTime.parse(endTime, DateTimeFormatter.ofPattern("yyyyMMddHH"));
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+ return now.equals(start) || (now.isAfter(start) && now.isBefore(end));
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+ } catch (Exception e) {
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+// e.printStackTrace();
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+ return false;
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+ }
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+ }
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+
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+ public static long dateStrToTimestamp(String dateStr, String format) {
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+ // 定义日期格式
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+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
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+
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+ // 解析输入的日期字符串为LocalDate对象
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+ LocalDate date = LocalDate.parse(dateStr, formatter);
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+
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+ // 将LocalDate转换为LocalDateTime，时间部分设为00:00:00
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+ LocalDateTime dateTime = date.atStartOfDay();
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+
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+ // 定义北京时区
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+ ZoneId zone = ZoneId.of("Asia/Shanghai");
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+
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+ // 将LocalDateTime转换为时间戳（秒数），使用北京时区
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+ return dateTime.toEpochSecond(zone.getRules().getOffset(dateTime));
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+ }
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+
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+ public static boolean isValidDate(String dateString) {
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+ // 定义日期格式
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+ DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
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+
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+ try {
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+ // 尝试解析日期字符串
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+ LocalDate date = LocalDate.parse(dateString, dateFormatter);
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+ return true; // 如果解析成功，返回 true
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+ } catch (DateTimeParseException e) {
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+ return false; // 如果解析失败，返回 false
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+ }
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+ }
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+
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+ public static String timestampToYMDStr(Long timestamp, String format) {
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+
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+ // 定义北京时区
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+ ZoneId zone = ZoneId.of("Asia/Shanghai");
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+
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+ // 将时间戳转换为LocalDateTime
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+ LocalDateTime dateTime = LocalDateTime.ofInstant(Instant.ofEpochSecond(timestamp), zone);
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+
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+ // 定义日期格式为"yyyyMMddHHmmss"
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+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
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+
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+ // 将LocalDateTime格式化为字符串
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+ return dateTime.format(formatter);
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+ }
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+
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+ public static String findNearestDate(List<String> dateList, String targetDateStr, String format) {
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+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
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+ // 将目标日期字符串转换为 LocalDate
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+ LocalDate targetDate = LocalDate.parse(targetDateStr, formatter);
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+
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+ // 初始化最近的日期和最小的天数差值
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+ String nearestDateStr = null;
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+ long minDiff = Long.MAX_VALUE;
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+
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+ // 遍历日期列表，找到最近的日期
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+ for (String dateStr : dateList) {
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+ LocalDate currentDate = LocalDate.parse(dateStr, formatter);
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+ long diff = Math.abs(ChronoUnit.DAYS.between(currentDate, targetDate)); // 计算天数差异
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+
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+ // 如果找到更小的差异，更新最近的日期
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+ if (diff < minDiff) {
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+ minDiff = diff;
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+ nearestDateStr = dateStr;
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+ }
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+ }
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+
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+ return nearestDateStr; // 返回最近的日期字符串
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+ }
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+
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+ public static List<String> getBeforeDays(String beginDate, String endDate, int days) {
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+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMdd");
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+ // 获取今天的日期
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+ LocalDate today = LocalDate.now();
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+ if (!StringUtils.hasText(beginDate)) {
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+ beginDate = today.format(formatter);
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+ }
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+ if (!StringUtils.hasText(endDate)) {
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+ endDate = today.format(formatter);
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+ }
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+ // 解析输入的日期字符串为LocalDate对象
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+ LocalDate date = LocalDate.parse(beginDate, formatter);
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+ LocalDate end = LocalDate.parse(endDate, formatter);
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+ // 获取从输入日期前三天的日期
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+ LocalDate startDate = date.minusDays(days);
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+ // 存储所有日期的列表
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+ List<String> datesList = new ArrayList<>();
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+ // 从startDate到today遍历日期
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+ while (startDate.isBefore(today) && !startDate.isAfter(end)) {
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+ // 将当前日期格式化为"yyyyMMdd"并添加到列表中
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+ datesList.add(startDate.format(formatter));
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+ // 日期加1天
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+ startDate = startDate.plusDays(1);
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+ }
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+ return datesList;
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+ }
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+
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+ // 获取每日最小秒数 (当天零点)
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+ public static Long getStartOfDay(String dateStr, String formatter) {
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+ try {
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+ SimpleDateFormat sdf = new SimpleDateFormat(formatter);
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+ Date date = sdf.parse(dateStr);
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+
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ calendar.setTime(date);
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+ calendar.set(Calendar.HOUR_OF_DAY, 0);
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+ calendar.set(Calendar.MINUTE, 0);
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+ calendar.set(Calendar.SECOND, 0);
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+ calendar.set(Calendar.MILLISECOND, 0);
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+
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+ return calendar.getTimeInMillis() / 1000;
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+ } catch (Exception e) {
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+ Date date = new Date();
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+ return date.getTime() / 1000;
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+ }
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+ }
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+
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+ public static Date getStartDateOfDay(Long timestamp) {
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+ try {
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+ Calendar calendar = Calendar.getInstance();
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+ // 设置时区为UTC（你可以根据需要更改时区）
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ // 将时间戳转换为毫秒并设置时间
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+ calendar.setTimeInMillis(timestamp * 1000L);
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+ calendar.set(Calendar.HOUR_OF_DAY, 0);
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+ calendar.set(Calendar.MINUTE, 0);
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+ calendar.set(Calendar.SECOND, 0);
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+ calendar.set(Calendar.MILLISECOND, 0);
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+
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+ return calendar.getTime();
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+ } catch (Exception e) {
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+ return new Date();
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+ }
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+ }
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+
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+ // 获取每日最大秒数 (当天的23:59:59)
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+ public static Long getEndOfDay(String dateStr, String formatter) {
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+ try {
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+ SimpleDateFormat sdf = new SimpleDateFormat(formatter);
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+ Date date = sdf.parse(dateStr);
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+
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ calendar.setTime(date);
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+ calendar.set(Calendar.HOUR_OF_DAY, 23);
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+ calendar.set(Calendar.MINUTE, 59);
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+ calendar.set(Calendar.SECOND, 59);
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+ calendar.set(Calendar.MILLISECOND, 999);
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+
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+ return calendar.getTimeInMillis() / 1000;
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+ } catch (Exception e) {
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+ Date date = new Date();
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+ return date.getTime() / 1000;
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+ }
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+ }
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+
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+ public static Integer getHourByTimestamp(Long timestamp) {
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+ Calendar calendar = Calendar.getInstance();
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+ // 设置时区为UTC（你可以根据需要更改时区）
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ // 将时间戳转换为毫秒并设置时间
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+ calendar.setTimeInMillis(timestamp * 1000L);
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+ // 获取小时
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+ return calendar.get(Calendar.HOUR_OF_DAY);
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+ }
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+
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+ public static int getMinuteByTimestamp(long timestamp) {
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+ Calendar calendar = Calendar.getInstance();
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+ // 设置时区为UTC（你可以根据需要更改时区）
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ // 将时间戳转换为毫秒并设置时间
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+ calendar.setTimeInMillis(timestamp * 1000L);
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+ // 获取小时
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+ return calendar.get(Calendar.MINUTE);
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+ }
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+
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+
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+ public static void main(String[] args) {
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+ Calendar calendar = Calendar.getInstance();
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+
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+ System.out.println((calendar.get(Calendar.DAY_OF_WEEK) + 6) % 7);
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+ System.out.println(new SimpleDateFormat("yyyyMMdd").format(calendar.getTime()));
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+ System.out.println(new SimpleDateFormat("HH").format(calendar.getTime()));
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+
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+ }
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+
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+ public static Long getTodayStart() {
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ calendar.set(Calendar.HOUR_OF_DAY, 0);
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+ calendar.set(Calendar.MINUTE, 0);
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+ calendar.set(Calendar.SECOND, 0);
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+ calendar.set(Calendar.MILLISECOND, 0);
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+ return calendar.getTime().getTime();
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+ }
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+
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+ public static Long getBeforeDayStart(int days) {
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+ Calendar calendar = Calendar.getInstance();
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+ calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
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+ calendar.set(Calendar.HOUR_OF_DAY, 0);
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+ calendar.set(Calendar.MINUTE, 0);
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+ calendar.set(Calendar.SECOND, 0);
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+ calendar.set(Calendar.MILLISECOND, 0);
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+ calendar.add(Calendar.DAY_OF_MONTH, -days);
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+ return calendar.getTime().getTime() / 1000;
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+ }
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+
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+ public static String getBeforeDayStr(String dateStr, String format, int days) {
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+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
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+ LocalDate date = LocalDate.parse(dateStr, formatter);
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+ date = date.minusDays(days);
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+ return date.format(formatter);
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+ }
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+
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+ public static String getDateString(Long timestamp) {
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+ // 创建日期时间格式化器
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+ DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("yyyyMMdd");
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+ // 将时间戳转换为 LocalDateTime
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+ ZoneId zone = ZoneId.of("Asia/Shanghai");
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+ LocalDateTime dateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(timestamp), zone);
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+ // 格式化日期时间并返回
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+ return dateTime.format(dateFormat);
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+ }
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+
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+ public static String getDateString(Long timestamp, String pattern) {
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+ // 创建日期时间格式化器
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+ DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern(pattern);
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+ // 将时间戳转换为 LocalDateTime
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+ ZoneId zone = ZoneId.of("Asia/Shanghai");
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+ LocalDateTime dateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(timestamp), zone);
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+ // 格式化日期时间并返回
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+ return dateTime.format(dateFormat);
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+ }
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+
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+ public static Date getDate(String dateString) {
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+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
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+ LocalDate localDate = LocalDate.parse(dateString, formatter);
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+ ZoneId zone = ZoneId.of("Asia/Shanghai");
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+ return Date.from(localDate.atStartOfDay(zone).toInstant());
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+ }
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+}
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wangyunpeng