package com.igrs.met.utils;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
public class DateUtils {
private static final String STANDARD_FORMAT = "yyyy-MM-dd HH:mm:ss";
/**
* 日期比较
* @return true: t1 > t2
*/
public static boolean compare(Date t1 , Date t2 , String formatPattern) {
String format1 = dateToStr(t1);
String format2 = dateToStr(t2);
DateTimeFormatter formatter = DateTimeFormat.forPattern(formatPattern);
DateTime season1 = DateTime.parse(format1 , formatter);
DateTime season2 = DateTime.parse(format2 , formatter);
return season1.isAfter(season2);
}
/**
* date类型 -> string类型
*
* @param date
* @return
*/
public static String dateToStr(Date date) {
if (date == null) return StringUtils.EMPTY;
DateTime dateTime = new DateTime(date);
return dateTime.toString(STANDARD_FORMAT);
}
/**
* date类型 -> string类型
*
* @param date
* @param formatPattern
* @return
*/
public static String dateToStr(Date date, String formatPattern) {
if (date == null) return StringUtils.EMPTY;
DateTime dateTime = new DateTime(date);
return dateTime.toString(formatPattern);
}
/**
* string类型 -> date类型
*
* @param timeStr
* @return
*/
public static Date strToDate(String timeStr) {
DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern(STANDARD_FORMAT);
DateTime dateTime = dateTimeFormatter.parseDateTime(timeStr);
return dateTime.toDate();
}
/**
* 判断date日期是否过期(与当前时刻比较)
*
* @param date
* @return
*/
public static boolean isTimeExpired(Date date) {
if (null == date) return true;
String timeStr = dateToStr(date);
return isBeforeNow(timeStr);
}
/**
* 判断date日期是否过期(与当前时刻比较)
*
* @param timeStr
* @return
*/
public static boolean isTimeExpired(String timeStr) {
if (StringUtils.isBlank(timeStr)) return true;
return isBeforeNow(timeStr);
}
/**
* 判断timeStr是否在当前时刻之前
*
* @param timeStr
* @return
*/
private static boolean isBeforeNow(String timeStr) {
DateTimeFormatter format = DateTimeFormat.forPattern(STANDARD_FORMAT);
DateTime dateTime = DateTime.parse(timeStr, format);
return dateTime.isBeforeNow();
}
/**
* 日期加天数
*
* @param date
* @param days
* @return
*/
public static Date plusDays(Date date, Integer days) {
return plusOrMinusDays(date, days, 0);
}
/**
* 日期减天数
*
* @param date
* @param days
* @return
*/
public static Date minusDays(Date date, Integer days) {
return plusOrMinusDays(date, days, 1);
}
/**
* 加减天数
*
* @param date
* @param days
* @param type 0:加天数 1:减天数
* @return
*/
private static Date plusOrMinusDays(Date date, Integer days, Integer type) {
if (null == date) return null;
days = null == days ? 0 : days;
DateTime dateTime = new DateTime(date);
if (type == 0) {
dateTime = dateTime.plusDays(days);
} else {
dateTime = dateTime.minusDays(days);
}
return dateTime.toDate();
}
/**
* 日期加分钟
*
* @param date
* @param minutes
* @return
*/
public static Date plusMinutes(Date date, Integer minutes) {
return plusOrMinusMinutes(date, minutes, 0);
}
/**
* 日期减分钟
*
* @param date
* @param minutes
* @return
*/
public static Date minusMinutes(Date date, Integer minutes) {
return plusOrMinusMinutes(date, minutes, 1);
}
/**
* 加减分钟
*
* @param date
* @param minutes
* @param type 0:加分钟 1:减分钟
* @return
*/
private static Date plusOrMinusMinutes(Date date, Integer minutes, Integer type) {
if (null == date) return null;
minutes = null == minutes ? 0 : minutes;
DateTime dateTime = new DateTime(date);
if (type == 0) {
dateTime = dateTime.plusMinutes(minutes);
} else {
dateTime = dateTime.minusMinutes(minutes);
}
return dateTime.toDate();
}
/**
* 日期加月份
*
* @param date
* @param months
* @return
*/
public static Date plusMonths(Date date, Integer months) {
return plusOrMinusMonths(date, months, 0);
}
/**
* 日期减月份
*
* @param date
* @param months
* @return
*/
public static Date minusMonths(Date date, Integer months) {
return plusOrMinusMonths(date, months, 1);
}
/**
* 加减月份
*
* @param date
* @param months
* @param type 0:加月份 1:减月份
* @return
*/
private static Date plusOrMinusMonths(Date date, Integer months, Integer type) {
if (null == date) return null;
months = null == months ? 0 : months;
DateTime dateTime = new DateTime(date);
if (type == 0) {
dateTime = dateTime.plusMonths(months);
} else {
dateTime = dateTime.minusMonths(months);
}
return dateTime.toDate();
}
/**
* 判断target是否在开始和结束时间之间
*
* @param target
* @param startTime
* @param endTime
* @return
*/
public static boolean isBetweenStartAndEndTime(Date target, Date startTime, Date endTime) {
if (null == target || null == startTime || null == endTime) {
return false;
}
DateTime dateTime = new DateTime(target);
return dateTime.isAfter(startTime.getTime()) && dateTime.isBefore(endTime.getTime());
}
/**
* 获取当前月第一天
* @param month
* @return String yyyy-MM-dd hh:mm:ss
*/
public static String getFirstDayOfMonth(int month) {
Calendar calendar = Calendar.getInstance();
// 设置月份
calendar.set(Calendar.MONTH, month - 1);
// 获取某月最小天数
int firstDay = calendar.getActualMinimum(Calendar.DAY_OF_MONTH);
// 设置日历中月份的最小天数
calendar.set(Calendar.DAY_OF_MONTH, firstDay);
// 格式化日期
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(calendar.getTime())+" 00:00:00";
}
/**
* 获取当前月最后一天
* @param month
* @return String yyyy-MM-dd hh:mm:ss
*/
public static String getLastDayOfMonth(int month) {
Calendar calendar = Calendar.getInstance();
// 设置月份
calendar.set(Calendar.MONTH, month - 1);
// 获取某月最大天数
int lastDay=0;
//2月的平年瑞年天数
if(month==2) {
// 这个api在计算2020年2月的过程中有问题
lastDay = calendar.getLeastMaximum(Calendar.DAY_OF_MONTH);
}else {
lastDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
}
// 设置日历中月份的最大天数
calendar.set(Calendar.DAY_OF_MONTH, lastDay);
// 格式化日期
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
return sdf.format(calendar.getTime())+" 23:59:59";
}
}
