DateUtils.java
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package com.huaheng.common.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalTime;
import java.util.*;
import org.apache.commons.lang3.time.DateFormatUtils;
/**
* 时间工具类
*
* @author huaheng
*/
public class DateUtils extends org.apache.commons.lang3.time.DateUtils
{
public static String YYYY = "yyyy";
public static String YYYY_MM = "yyyy-MM";
public static String YYYY_MM_DD = "yyyy-MM-dd";
public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
public static String YYYY_MM_DD_HH_MM_SS_S = "yyyy-MM-dd HH:mm:ss.s";
private static String[] parsePatterns = {
"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
"yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
/**
* 获取当前Date型日期
*
* @return Date() 当前日期
*/
public static Date getNowDate()
{
return new Date();
}
/**
* 获取当前日期, 默认格式为yyyy-MM-dd
*
* @return String
*/
public static String getDate()
{
return dateTimeNow(YYYY_MM_DD);
}
public static final String getTime()
{
return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
}
public static final String dateTimeNow()
{
return dateTimeNow(YYYYMMDDHHMMSS);
}
public static final String dateTimeNow(final String format)
{
return parseDateToStr(format, new Date());
}
public static final String dateTime(final Date date)
{
return parseDateToStr(YYYY_MM_DD, date);
}
public static final String parseDateToStr(final String format, final Date date)
{
return new SimpleDateFormat(format).format(date);
}
public static final Date dateTime(final String format, final String ts)
{
try
{
return new SimpleDateFormat(format).parse(ts);
}
catch (ParseException e)
{
throw new RuntimeException(e);
}
}
/**
* 日期路径 即年/月/日 如2018/08/08
*/
public static final String datePath()
{
Date now = new Date();
return DateFormatUtils.format(now, "yyyy/MM/dd");
}
/**
* 日期路径 即年/月/日 如20180808
*/
public static final String dateTime()
{
Date now = new Date();
return DateFormatUtils.format(now, "yyyyMMdd");
}
/**
* 日期型字符串转化为日期 格式
*/
public static Date parseDate(Object str)
{
if (str == null)
{
return null;
}
try
{
return parseDate(str.toString(), parsePatterns);
}
catch (ParseException e)
{
return null;
}
}
/**
* 计算两个时间差
* @param date1
* @param date2
* @return
*/
public static long difference(Date date1, Date date2) {
long from3 = date1.getTime();
long to3 = date2.getTime();
int second = (int) ((to3 - from3) / 1000);
return Math.abs(second);
}
public static String getNowDateString(String pattern)
{
Date now = new Date();
return DateFormatUtils.format(now, pattern);
}
public static String getNowPreDay(String pattern)
{
Date dNow = new Date(); //当前时间
Date dBefore = new Date();
Calendar calendar = Calendar.getInstance(); //得到日历
calendar.setTime(dNow);//把当前时间赋给日历
calendar.add(Calendar.DAY_OF_MONTH, -1); //设置为前一天
dBefore = calendar.getTime(); //得到前一天的时间
SimpleDateFormat sdf=new SimpleDateFormat(pattern); //设置时间格式
String defaultStartDate = sdf.format(dBefore);
return defaultStartDate;
}
public static String getNowPreWeek(String pattern)
{
Date dNow = new Date(); //当前时间
Date dBefore = new Date();
Calendar calendar = Calendar.getInstance(); //得到日历
calendar.setTime(dNow);//把当前时间赋给日历
calendar.add(Calendar.DAY_OF_MONTH, -7); //设置为前一天
dBefore = calendar.getTime(); //得到前一天的时间
SimpleDateFormat sdf=new SimpleDateFormat(pattern); //设置时间格式
String defaultStartDate = sdf.format(dBefore);
return defaultStartDate;
}
public static String getNowPreDays(String pattern,int days)
{
Date dNow = new Date(); //当前时间
Date dBefore = new Date();
Calendar calendar = Calendar.getInstance(); //得到日历
calendar.setTime(dNow);//把当前时间赋给日历
calendar.add(Calendar.DAY_OF_MONTH, -days); //设置为前一天
dBefore = calendar.getTime(); //得到前一天的时间
SimpleDateFormat sdf=new SimpleDateFormat(pattern); //设置时间格式
String defaultStartDate = sdf.format(dBefore);
return defaultStartDate;
}
public static Boolean getNowTimeCheckWorkTime()
{
LocalTime currentTime = LocalTime.now();
LocalTime startTime_start = LocalTime.of(8, 30); // 设
LocalTime startTime_end = LocalTime.of(11, 50); // 置开始时间为8点
LocalTime endTime_start = LocalTime.of(13, 30); //
LocalTime endTime_end = LocalTime.of(17, 10); // 设置结束时间为18点
if (currentTime.isAfter(startTime_start) && currentTime.isBefore(startTime_end)) {
System.out.println("当前时间在8点和12点之间");
return true;
}else if (currentTime.isAfter(endTime_start) && currentTime.isBefore(endTime_end)) {
System.out.println("当前时间在13点和17点之间");
return true;
} else {
System.out.println("当前时间不在规定之间");
return false;
}
}
public static List<LocalDate> getDayList(String startTime,String endTime){
LocalDate startDate=LocalDate.parse(startTime);
LocalDate endDate=LocalDate.parse(endTime);
List<LocalDate> list=new ArrayList<>();
LocalDate date=startDate;
while (!date.equals(endDate.plusDays(1))){
list.add(date);
date=date.plusDays(1);
}
return list;
}
public static void main(String[] args) {
// System.out.println(getNowTimeCheckWorkTime());
System.out.println(getDayList("2024-03-26","2024-04-01"));
}
}