DateUtil.java

package cn.timer.api.utils;

import java.text.Format;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

import cn.hutool.core.util.StrUtil;
import org.springframework.util.StringUtils;

public class DateUtil {

	static SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
	/**
	 * 获取0点
	 * 
	 * @return
	 */
	public static Date getStartTime(int day) {
		Calendar todayStart = Calendar.getInstance();
		todayStart.set(Calendar.HOUR_OF_DAY, day);
		todayStart.set(Calendar.MINUTE, 0);
		todayStart.set(Calendar.SECOND, 0);
		todayStart.set(Calendar.MILLISECOND, 0);
		return todayStart.getTime();
	}

	/**
	 * 根据时间戳获取0点
	 * 
	 * @return
	 */
	public static Date getStartTime(int day, long time) {
		Calendar todayStart = Calendar.getInstance();
		todayStart.setTimeInMillis(time);
		todayStart.set(Calendar.HOUR_OF_DAY, day);
		todayStart.set(Calendar.MINUTE, 0);
		todayStart.set(Calendar.SECOND, 0);
		todayStart.set(Calendar.MILLISECOND, 0);
		return todayStart.getTime();
	}

	/**
	 * 获取23点
	 * 
	 * @return
	 */
	public static Date getnowEndTime(int day) {
		Calendar todayEnd = Calendar.getInstance();
		todayEnd.set(Calendar.HOUR_OF_DAY, day);
		todayEnd.set(Calendar.MINUTE, 59);
		todayEnd.set(Calendar.SECOND, 59);
		todayEnd.set(Calendar.MILLISECOND, 999);
		return todayEnd.getTime();
	}

	/**
	 * 根据时间戳获取23点
	 * 
	 * @return
	 */
	public static Date getnowEndTime(int day, long time) {
		Calendar todayEnd = Calendar.getInstance();
		todayEnd.setTimeInMillis(time);
		todayEnd.set(Calendar.HOUR_OF_DAY, day);
		todayEnd.set(Calendar.MINUTE, 59);
		todayEnd.set(Calendar.SECOND, 59);
		todayEnd.set(Calendar.MILLISECOND, 999);
		return todayEnd.getTime();
	}
	
	/**
	 * 将String时间转换为时间戳
	 * 
	 * @param time
	 * @return
	 * @throws ParseException
	 */
	public static long getFormat(String time) throws ParseException {
		
		if (StrUtil.isNotBlank(time)) {

			switch (time.length()) {
			case 10:
				return getStringTime(time, "yyyy-MM-dd");
			case 16:
				return getStringTime(time, "yyyy-MM-dd HH:mm");
			case 19:
				return getStringTime(time, "yyyy-MM-dd HH:mm:ss");
			default:
				break;
			}
			
			return 0;
			
		}

		return 0;
	}
	
	/**
	 * 将String时间转换为时间戳
	 * 
	 * @param time
	 * @return
	 * @throws ParseException
	 */
	public static Date getFormatDate(String time) throws ParseException {
		
		if (StrUtil.isNotBlank(time)) {
			
			switch (time.length()) {
			case 10:
				return getStringDate(time, "yyyy-MM-dd");
			case 16:
				return getStringDate(time, "yyyy-MM-dd HH:mm");
			case 19:
				return getStringDate(time, "yyyy-MM-dd HH:mm:ss");
			default:
				break;
			}
			
			return null;
			
		}
		
		return null;
	}

	/**
	 * 将String时间转换为时间戳
	 * 
	 * @param time
	 * @return
	 * @throws ParseException
	 */
	public static Date getStringDate(String time, String format)
			throws ParseException {
		SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format);
		return simpleDateFormat.parse(time);
	}
	
	/**
	 * 将String时间转换为 Date
	 * 
	 * @param time
	 * @return
	 * @throws ParseException
	 */
	public static long getStringTime(String time, String format)
			throws ParseException {
		SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format);
		Date date = simpleDateFormat.parse(time);
		return date.getTime();
	}

	/**
	 * 根据时间戳获取当前年月日
	 * 
	 * @param time
	 * @return
	 */
	public static String getStringFormat(long time) {
		SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat("yyyy-MM-dd");
		Date date = new Date(time);
		return simpleDateFormat1.format(date);
	}
	
	/**
	 * 根据时间戳获取当前年月日
	 * 
	 * @param time
	 * @return
	 */
	public static String getStringFormat(long time,String format) {
		SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat(format);
		Date date = new Date(time);
		return simpleDateFormat1.format(date);
	}

	/**
	 * 根据时间戳获取当前年月日
	 * 
	 * @param time
	 * @return
	 */
	public static String getStringFormatVehicle(long time) {
		SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat(
				"yyyy-MM-dd HH:mm:ss");
		Date date = new Date(time);
		return simpleDateFormat1.format(date);
	}

	/**
	 * 根据时间戳获取当前时分
	 * 
	 * @param time
	 * @return
	 */
	public static String getStringDate(long time) {
		SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat("HH:mm");
		Date date = new Date(time);
		return simpleDateFormat1.format(date);
	}

	/**
	 * 时间累计增长
	 * 
	 * @param date
	 * @param minute
	 * @return
	 */
	public static String getGrowth(Date date, int minute) {
		Calendar now = Calendar.getInstance();
		now.setTime(date);
		now.set(Calendar.MINUTE, now.get(Calendar.MINUTE) + minute);
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		return sdf.format(now.getTime());
	}

	/**
	 * 时间累计增长
	 * 
	 * @param date
	 * @param minute
	 * @return
	 */
	public static String getReduce(Date date, int minute) {
		Calendar now = Calendar.getInstance();
		now.setTime(date);
		now.set(Calendar.MINUTE, now.get(Calendar.MINUTE) - minute);
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		return sdf.format(now.getTime());
	}

	/**
	 * 获取当前年份
	 * 
	 * @return
	 */
	public static int getYear() {
		Calendar cal = Calendar.getInstance();
		int year = cal.get(Calendar.YEAR);
		return year;
	}

	/**
	 * 获取当前月份
	 * 
	 * @return
	 */
	public static int getMonth() {
		Calendar cal = Calendar.getInstance();
		int month = cal.get(Calendar.MONTH) + 1;
		return month;
	}

	/**
	 * 获取当前日期
	 * 
	 * @return
	 */
	public static int getDate() {
		Calendar cal = Calendar.getInstance();
		int date = cal.get(Calendar.DATE);
		return date;
	}

	/**
	 * 根据时间戳返回日期时间
	 * 
	 * @param time
	 * @return
	 */
	public static int getDay(Long time) {
		SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat("dd");
		Date date = new Date(time);
		String day = simpleDateFormat1.format(date);
		return Integer.valueOf(day);
	}
	/**
	 * 根据时间戳返回日期时间
	 * 
	 * @param time
	 * @return
	 */
	public static int getMonth(Long time) {
		SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat("MM");
		Date date = new Date(time);
		String day = simpleDateFormat1.format(date);
		return Integer.valueOf(day);
	}
	/**
	 * 根据时间戳返回日期时间
	 * 
	 * @param time
	 * @return
	 */
	public static int getYear(Long time) {
		SimpleDateFormat simpleDateFormat1 = new SimpleDateFormat("yyyy");
		Date date = new Date(time);
		String day = simpleDateFormat1.format(date);
		return Integer.valueOf(day);
	}

	/**
	 * 获取前一个月最后一天
	 * 
	 * @return
	 */
	public static int getLastDay() {
		Calendar calendar2 = Calendar.getInstance();
		calendar2.set(Calendar.DAY_OF_MONTH, 0);
		SimpleDateFormat sdf = new SimpleDateFormat("dd");
		String lastDay = sdf.format(calendar2.getTime());
		return Integer.valueOf(lastDay);
	}

	/**
	 * 获取前一个月月份
	 * 
	 * @return
	 */
	public static int getLastMonth() {
		Calendar calendar2 = Calendar.getInstance();
		calendar2.set(Calendar.DAY_OF_MONTH, 0);
		SimpleDateFormat sdf = new SimpleDateFormat("MM");
		String lastDay = sdf.format(calendar2.getTime());
		return Integer.valueOf(lastDay);
	}

	/**
	 * 获取前一个月年份
	 * 
	 * @return
	 */
	public static int getLastYear() {
		Calendar calendar2 = Calendar.getInstance();
		calendar2.set(Calendar.DAY_OF_MONTH, 0);
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
		String lastDay = sdf.format(calendar2.getTime());
		return Integer.valueOf(lastDay);
	}

	/**
	 * 将字符串转化为日期
	 * 
	 * @param timestr
	 * @return
	 */
	public static Date paraseStringToDate(String timestr) {
		Date date = null;
		Format f = new SimpleDateFormat("yyyy-MM-dd");
		try {
			date = (Date) f.parseObject(timestr);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		return date;
	}

	/**
	 * 根据传入的日期获取所在月份所有日期
	 * 
	 * @param d
	 * @return
	 */
	public static List<String> getAllDaysMonthByDate(Date d) {
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		List<String> lst = new ArrayList<String>();
		Date date = getMonthStart(d);
		Date monthEnd = getMonthEnd(d);
		while (!date.after(monthEnd)) {
			lst.add(sdf.format(date));
			date = getNext(date);
		}
		return lst;
	}

	private static Date getNext(Date date) {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		calendar.add(Calendar.DATE, 1);
		return calendar.getTime();
	}

	private static Date getMonthEnd(Date date) {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		calendar.add(Calendar.MONTH, 1);
		int index = calendar.get(Calendar.DAY_OF_MONTH);
		calendar.add(Calendar.DATE, (-index));
		return calendar.getTime();
	}

	private static Date getMonthStart(Date date) {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		int index = calendar.get(Calendar.DAY_OF_MONTH);
		calendar.add(Calendar.DATE, (1 - index));
		return calendar.getTime();
	}

	/**
	 * 根据年月日获取当月第一天日期时间戳
	 * 
	 * @param time
	 * @return
	 */
	public static long getFirstDayOfMonth(String time) {
		Date date = paraseStringToDate(time);
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		calendar.set(Calendar.DAY_OF_MONTH, 1);
		return calendar.getTime().getTime();
	}

	/**
	 * 根据年月日获取当月最后一天日期时间戳
	 * 
	 * @param time
	 * @return
	 */
	public static long getLastDayOfMonth(String time) {
		Date date = paraseStringToDate(time);
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		calendar.set(Calendar.HOUR_OF_DAY, 23);
		calendar.set(Calendar.MINUTE, 59);
		calendar.set(Calendar.SECOND, 59);
		calendar.set(Calendar.MILLISECOND, 999);
		calendar.add(Calendar.MONTH, 1);
		calendar.add(Calendar.DAY_OF_MONTH, -1);
		return calendar.getTime().getTime();
	}

	/**
	 * 获取月份起始日期
	 * 
	 * @param date
	 * @return
	 * @throws ParseException
	 */
	public static String getMinMonthDate(String date) throws ParseException {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(dateFormat.parse(date));
		calendar.set(Calendar.DAY_OF_MONTH,
				calendar.getActualMinimum(Calendar.DAY_OF_MONTH));
		return dateFormat.format(calendar.getTime());
	}

	/**
	 * 获取月份最后日期
	 * 
	 * @param date
	 * @return
	 * @throws ParseException
	 */
	public static String getMaxMonthDate(String date) throws ParseException {
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(dateFormat.parse(date));
		calendar.set(Calendar.DAY_OF_MONTH,
				calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
		return dateFormat.format(calendar.getTime());
	}
	
	/**
     * 
     * 描述:获取下一个月的第一天.
     * 
     * @return
     */
	public static String getPerFirstDayOfMonth() {
        SimpleDateFormat dft = new SimpleDateFormat("yyyy-MM-dd");
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.MONTH, 1);
        calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMinimum(Calendar.DAY_OF_MONTH));
        return dft.format(calendar.getTime());
    }

	/**
	 * 获取当前月的所有天数
	 * @param yearMonth
	 * @return
	 */
	public static List<String> getDayByMonth(String yearMonth){
		List<String> list = new ArrayList<>();
		if(StringUtils.isEmpty(yearMonth)){
			return list;
		}
		String[] year_monnth = yearMonth.split("-");
		Calendar calendar = Calendar.getInstance(Locale.CHINA);
		calendar.set(Integer.parseInt(year_monnth[0]), Integer.parseInt(year_monnth[1])-1, 1);
		int year = calendar.get(Calendar.YEAR);//年份
		int month = calendar.get(Calendar.MONTH) + 1;//月份
		int day = calendar.getActualMaximum(Calendar.DATE);
		for (int i = 1; i <= day; i++) {
			String date=null;
			if(month<10 && i<10){
				date = String.valueOf(year)+"-0"+month+"-0"+i;
			}
			if(month<10 && i>=10){
				date = String.valueOf(year)+"-0"+month+"-"+i;
			}
			if(month>=10 && i<10){
				date = String.valueOf(year)+"-"+month+"-0"+i;
			}
			if(month>=10 && i>=10){
				date = String.valueOf(year)+"-"+month+"-"+i;
			}

			list.add(date);
		}
		return list;
	}
}