Android工具类篇日期工具类【DateUtil】_app

概述importorg.slf4j.Logger;importorg.slf4j.LoggerFactory;importorg.springframework.stereotype.Component;importjava.text.ParseException;importjava.text.SimpleDateFormat;importjava.time.Instant;importjava.time.LocalDateTime;importjava.time.ZoneI

import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.stereotype.Component;import java.text.ParseException;import java.text.SimpleDateFormat;import java.time.Instant;import java.time.LocalDateTime;import java.time.ZoneID;import java.time.temporal.ChronoUnit;import java.util.Calendar;import java.util.Date;/** * @Projectname: DateUtils * @Package: Date * @Description: * @Author: penglaoxi * @CreateDate: 2021/04/30 12：52 */@Componentpublic class DateUtils {    private static final Logger logger = LoggerFactory.getLogger(DateUtils.class);    public static final String DATE_FORMAT_YYYY_MM_DD = "yyyy-MM-dd";    public static final String DATE_TIME_FORMAT_YYYYMMDDHHMISS = "yyyyMMddHHmmss";    public static final String DATE_TIME_FORMAT_YYYY_MM_DD_HH_MI_SS = "yyyy-MM-dd HH:mm:ss";    /************************************Calendar---工具类*****************************************/    /**     * 日期减去一天     *     * @param date     * @return     * @throws ParseException     */    public static String dateSubOneDate(String date)  {        Calendar calendar = Calendar.getInstance();        calendar.setTime(DateUtils.stringToDate(date, DATE_FORMAT_YYYY_MM_DD));        calendar.add(Calendar.DATE, -1);//当前时间减去一天，即一天前的时间        return datetoString(calendar.getTime(), DATE_FORMAT_YYYY_MM_DD);    }    /**     * String 转 Date     *     * @param date     * @param pattern     * @return     * @throws ParseException     */    public static Date stringToDate(String date, String pattern) {        SimpleDateFormat sdf = new SimpleDateFormat(pattern);        try {            return sdf.parse(date);        } catch (ParseException e) {            e.printstacktrace();        }        return null;    }    /**     * Date 转 String     *     * @param date     * @param pattern     * @return     */    public static String datetoString(Date date, String pattern) {        SimpleDateFormat sdf = new SimpleDateFormat(pattern);        return sdf.format(date);    }    /************************************LocalDateTime---工具类*****************************************/    //当前日期的下个星期    public static LocalDateTime getNextWeekDay(Date date){        LocalDateTime time = datetoLocalDateTime(date);        return time.plus(1, ChronoUnit.WEEKS);    }    //Date转LocalDateTime    public static LocalDateTime datetoLocalDateTime(Date date){        Instant instant = date.toInstant();        ZoneID zone = ZoneID.systemDefault();        return LocalDateTime.ofInstant(instant, zone);    }    //LocalDateTime转Date    public static Date localDateTimetoDate(LocalDateTime localDateTime){        ZoneID zone = ZoneID.systemDefault();        Instant instant = localDateTime.atZone(zone).toInstant();        return Date.from(instant);    }    //比较两个Date时间先后    public static Boolean isOneAfterTwo(Date one, Date two){        return datetoLocalDateTime(one).isAfter(datetoLocalDateTime(two));    }    //检查闰年    public static Boolean isLeadYear(LocalDateTime localDateTime){        return localDateTime.tolocalDate().isLeapYear();    }    public static voID main(String[] args) throws InterruptedException {        Date one = new Date();//        Thread.sleep(3000); //暂停3秒        Date two = new Date();        System.out.println(one + "  " + two);        System.out.println(isOneAfterTwo(one, two));        System.out.println(isLeadYear(LocalDateTime.Now()));    }}