package com.zy.crm.manager.utils;
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import java.time.LocalDate;
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import java.time.LocalTime;
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import java.time.format.DateTimeFormatter;
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import java.time.temporal.ChronoUnit;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.TimeZone;
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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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}
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