package com.zy.crm.manager.utils;
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import javax.xml.crypto.Data;
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import java.time.DayOfWeek;
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import java.time.LocalDate;
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import java.time.ZoneId;
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import java.time.temporal.ChronoUnit;
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import java.time.temporal.TemporalAdjusters;
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import java.time.temporal.WeekFields;
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import java.util.*;
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public class TimeCalculatorUtils {
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//获取当前时间的小时数（24小时制）：
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public static int nowTimeHour(){
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// 获取当前时间戳
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long timestamp = System.currentTimeMillis();
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// 创建Date对象，并设置时间戳
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Date date = new Date(timestamp);
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// 创建TimeZone对象，设置为中国北京时间
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TimeZone timeZone = TimeZone.getTimeZone("Asia/Shanghai");
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// 创建Calendar对象，并设置时区
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// 注意：Calendar类中的月份是从0开始的，所以需要减去1
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java.util.Calendar calendar = java.util.Calendar.getInstance(timeZone);
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calendar.setTime(date);
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// 获取当前小时数（24小时制）
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return calendar.get(java.util.Calendar.HOUR_OF_DAY);
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}
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//获取当天小时数（24小时制）中国北京时间：
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public static int timeTimeHour(Date date){
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// 创建TimeZone对象，设置为中国北京时间
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TimeZone timeZone = TimeZone.getTimeZone("Asia/Shanghai");
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// 创建Calendar对象，并设置时区
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// 注意：Calendar类中的月份是从0开始的，所以需要减去1
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java.util.Calendar calendar = java.util.Calendar.getInstance(timeZone);
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calendar.setTime(date);
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// 获取当前小时数（24小时制）
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return calendar.get(java.util.Calendar.HOUR_OF_DAY);
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}
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//获取前一天的日期（日期天数减一）
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public static Date timeYesterday(Date date){
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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calendar.add(Calendar.DAY_OF_MONTH, -1);
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return calendar.getTime();
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}
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//获取七天前的日期（日期天数减七）
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public static Date timeFrontSevenYesterday(Date date){
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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calendar.add(Calendar.DAY_OF_MONTH, -7);
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return calendar.getTime();
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}
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//获取七天后的日期（日期天数加七）
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public static Date timeAfterSevenYesterday(Date date){
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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calendar.add(Calendar.DAY_OF_MONTH, 7);
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return calendar.getTime();
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}
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//获取相差n天的日期（日期天数加N）
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public static Date timeYesterdayN(Date date,int day){
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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calendar.add(Calendar.DAY_OF_MONTH, day);
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return calendar.getTime();
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}
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//获取年月日
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public static String timeYestMonthDay(Date date){
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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int year = calendar.get(Calendar.YEAR);
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int month = calendar.get(Calendar.MONTH) + 1; // 月份从0开始，需要加1
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int day = calendar.get(Calendar.DAY_OF_MONTH);
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return year+"年"+month+"月"+day+"日";
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}
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//获取年
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public static int timeYest(Date date){
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.YEAR);
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}
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//获取月
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public static int timeMonth(Date date){
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.MONTH) + 1;
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}
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//获取日
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public static int timeDay(Date date){
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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return calendar.get(Calendar.DAY_OF_MONTH);
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}
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//获取年差异
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public static int DifferenceYest(Date startDay,Date endDay){
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int startYest = timeYest(startDay);
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int endYest = timeYest(endDay);
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return endYest-startYest;
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}
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//获取月差异
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public static int DifferenceMonth(Date startDay,Date endDay){
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int startMonth = timeMonth(startDay);
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int endMonth = timeMonth(endDay);
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return endMonth-startMonth;
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}
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//获取天差异
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public static int DifferenceDayInt(Date startDay,Date endDay){
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return DifferenceDayLong(startDay,endDay).intValue();
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}
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//获取天差异
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public static Long DifferenceDayLong(Date startDay,Date endDay){
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LocalDate a = LocalDate.of(timeYest(startDay), timeMonth(startDay), timeDay(startDay));
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LocalDate b = LocalDate.of(timeYest(endDay), timeMonth(endDay), timeDay(endDay));
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return ChronoUnit.DAYS.between(a, b)+1;
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}
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//获取天差异
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public static Double DifferenceDayMorningAfternoon(Date startDay,Date endDay,int startTime,int endTime){
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double between = DifferenceDayLong(startDay, endDay).doubleValue();
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if (startTime==2){
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between = between-0.5;
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}
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if (endTime == 1){
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between = between-0.5;
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}
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return between;
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}
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public static boolean CompareData(Date startDay,Date endDay){
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// 将日期字符串解析为LocalDate对象
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LocalDate a = LocalDate.of(timeYest(startDay), timeMonth(startDay), timeDay(startDay));
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LocalDate b = LocalDate.of(timeYest(endDay), timeMonth(endDay), timeDay(endDay));
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// 比较日期
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if (a.isAfter(b)) {
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return false;
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} else if (a.isBefore(b)) {
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return true;
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} else {
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return true;
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}
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}
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//java.time.LocalDate 转换为 java.util.Date;
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public static Date DateLocalDate(LocalDate localDate) {
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return Date.from(localDate.atStartOfDay(ZoneId.systemDefault()).toInstant());
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}
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//获取现在日期是当月第几周
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public static int WeeklyNowMonthDay(Date date) {
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// int day = timeDay(date);
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// if (day<7){
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// if (WeeklyNowMonth(WeeklyMonday(date))>2){
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// return 1;
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// }
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// }
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return WeeklyNowMonth(WeeklyMonday(date));
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}
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public static int WeeklyNowMonth(Date date) {
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// LocalDate currentDate = LocalDate.now();
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LocalDate currentDate = LocalDate.of(timeYest(date), timeMonth(date), timeDay(date));
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WeekFields weekFields = WeekFields.of(Locale.getDefault());
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int weekOfMonth = currentDate.get(weekFields.weekOfMonth());
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return weekOfMonth;
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}
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//限制两个日期是周一和周末 工作日 周一到周六
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public static void WeeklySix(Date date) {
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// LocalDate startDate = LocalDate.of(2022, 9, 5); // 假设开始日期是2022年9月5日，周一
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LocalDate startDate = LocalDate.of(timeYest(date), timeMonth(date), timeDay(date));
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System.out.println("当前日期 " + startDate + " 周");
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LocalDate endDate = startDate.plus(6, ChronoUnit.DAYS); // 结束日期是开始日期加上6天
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System.out.println("当前日期加上6天是 " + endDate + " 周");
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// 如果开始日期不是周一，则将它调整到下一个周一
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if (startDate.getDayOfWeek() != DayOfWeek.MONDAY) {
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startDate = startDate.with(TemporalAdjusters.next(DayOfWeek.MONDAY));
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}
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// 如果结束日期不是周末（即周六或周日），则将它调整到下一个周末
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if (endDate.getDayOfWeek() != DayOfWeek.SATURDAY && endDate.getDayOfWeek() != DayOfWeek.SUNDAY) {
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endDate = endDate.with(TemporalAdjusters.next(DayOfWeek.SATURDAY));
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}
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// 确保两个日期之间相隔七天
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while (startDate.plus(7, ChronoUnit.DAYS).isBefore(endDate)) {
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startDate = startDate.plus(7, ChronoUnit.DAYS);
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}
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System.out.println("开始日期：" + startDate);
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System.out.println("结束日期：" + endDate);
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}
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//限制两个日期是周一和周末 周一到周日
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public static List<Date> WeeklySeven(Date date) {
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// LocalDate startDate = LocalDate.of(2022, 9, 5); // 假设开始日期是2022年9月5日，周一
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LocalDate startDate = LocalDate.of(timeYest(date), timeMonth(date), timeDay(date));
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// System.out.println("当前日期 " + startDate + " 周");
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LocalDate endDate = startDate.plus(6, ChronoUnit.DAYS); // 结束日期是开始日期加上6天
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// System.out.println("当前日期加上6天是 " + endDate + " 周");
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// 如果开始日期不是周一，则将它调整到下一个周一
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if (startDate.getDayOfWeek() != DayOfWeek.MONDAY) {
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startDate = startDate.with(TemporalAdjusters.next(DayOfWeek.MONDAY));
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}
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// 如果结束日期不是周日，则将它调整到下一个周日
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if (endDate.getDayOfWeek() != DayOfWeek.SUNDAY) {
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endDate = endDate.with(TemporalAdjusters.next(DayOfWeek.SUNDAY));
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}
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// 确保两个日期之间相隔七天
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while (startDate.plus(7, ChronoUnit.DAYS).isBefore(endDate)) {
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startDate = startDate.plus(7, ChronoUnit.DAYS);
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}
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List<Date> dateList = new ArrayList<>();
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dateList.add(DateLocalDate(startDate));
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dateList.add(DateLocalDate(endDate));
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return dateList;
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// System.out.println("开始日期：" + startDate);
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// System.out.println("结束日期：" + endDate);
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}
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//判断是不是周一
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public static boolean WeeklyOneSign(Date date) {
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LocalDate localDate = LocalDate.of(timeYest(date), timeMonth(date), timeDay(date));
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// 判断是不是周一
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if (localDate.getDayOfWeek() != DayOfWeek.MONDAY) {
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return false;
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}
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return true;
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}
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//获取本周周一
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public static Date WeeklyMonday (Date date) {
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LocalDate localDate = LocalDate.of(timeYest(date), timeMonth(date), timeDay(date));
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// 下周周一
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localDate = localDate.with(TemporalAdjusters.next(DayOfWeek.MONDAY));
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// 将LocalDate转换为Date
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Date monday = DateLocalDate(localDate);
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// 则将它调整到本周周一
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return timeFrontSevenYesterday(monday);
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}
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//获取当前日期所在的周一及周日时间
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public static List<Date> WeeklyMondayAndSundayNow(Date date) {
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Date nowMonday = WeeklyMonday(date);
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return WeeklySeven(nowMonday);
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}
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//获取当前日期上一周周一及周日时间
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public static List<Date> WeeklyMondayAndSundayFront(Date date) {
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Date nowMonday = WeeklyMonday(date);
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Date frontSevenYesterday = timeFrontSevenYesterday(nowMonday);
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return WeeklySeven(frontSevenYesterday);
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}
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//获取当前日期下一周周一及周日时间
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public static List<Date> WeeklyMondayAndSundayAfter(Date date) {
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Date nowMonday = WeeklyMonday(date);
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Date afterSevenYesterday = timeAfterSevenYesterday(nowMonday);
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return WeeklySeven(afterSevenYesterday);
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}
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//获取周一到周末
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public static List<Date> WeeklyDays(Date date){
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Date nowMonday = WeeklyMonday(date);
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List<Date> dateList = new ArrayList<>();
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dateList.add(nowMonday);
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for (int i = 1; i<7 ; i++){
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dateList.add(timeYesterdayN(nowMonday,i));
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}
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return dateList;
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}
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//获取周一到周末
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public static List<Date> WeeklyListDays(List<Date> dates){
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Date date = dates.get(0);
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Date nowMonday = WeeklyMonday(date);
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List<Date> dateList = new ArrayList<>();
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dateList.add(nowMonday);
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for (int i = 1; i<7 ; i++){
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dateList.add(timeYesterdayN(nowMonday,i));
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}
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return dateList;
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}
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public static void main(String[] args) {
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Date now = new Date();
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int weeklyNowMonth = WeeklyNowMonthDay(now);
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System.out.println("当前日期是第 " + weeklyNowMonth + " 周");
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LocalDate startDate1 = LocalDate.of(2024, 2, 29);
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int weeklyNowMonth1 = WeeklyNowMonthDay(DateLocalDate(startDate1));
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System.out.println("当前日期是第 " + weeklyNowMonth1 + " 周");
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LocalDate startDate2 = LocalDate.of(2024, 3, 5);
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int weeklyNowMonth2 = WeeklyNowMonthDay(DateLocalDate(startDate2));
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System.out.println("当前日期是第 " + weeklyNowMonth2 + " 周");
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LocalDate startDate3 = LocalDate.of(2024, 3, 10);
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int weeklyNowMonth3 = WeeklyNowMonthDay(DateLocalDate(startDate3));
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System.out.println("当前日期是第 " + weeklyNowMonth3 + " 周");
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LocalDate startDate4 = LocalDate.of(2024, 3, 31);
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int weeklyNowMonth4 = WeeklyNowMonthDay(DateLocalDate(startDate4));
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System.out.println("当前日期是第 " + weeklyNowMonth4 + " 周");
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LocalDate startDate5 = LocalDate.of(2024, 4, 1);
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int weeklyNowMonth5 = WeeklyNowMonthDay(DateLocalDate(startDate5));
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System.out.println("当前日期是第 " + weeklyNowMonth5 + " 周");
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LocalDate startDate6 = LocalDate.of(2024, 4, 7);
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int weeklyNowMonth6 = WeeklyNowMonthDay(DateLocalDate(startDate6));
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System.out.println("当前日期是第 " + weeklyNowMonth6 + " 周");
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}
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// public static void main(String[] args) {
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// Date now = new Date();
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// //本周
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// List<Date> dateList = WeeklyMondayAndSundayNow(now);
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// for (Date date : dateList){
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// System.out.println("------------------------------");
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// System.out.println(date);
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// }
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// //上周
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// List<Date> dateList1 = WeeklyMondayAndSundayFront(now);
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// for (Date date : dateList1){
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// System.out.println("------------------------------");
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// System.out.println(date);
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// }
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// //下周
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// List<Date> dateList2 = WeeklyMondayAndSundayAfter(now);
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// for (Date date : dateList2){
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// System.out.println("------------------------------");
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// System.out.println(date);
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// }
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// //周
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// List<Date> dateList3 = WeeklyDays(now);
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// for (Date date : dateList3){
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// System.out.println("------------------------------");
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// System.out.println(date);
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// }
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// }
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}
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