java android 时间类 DateTime extends java.util.GregorianCalendar

package com.tbi.app.lib.util;import java.text.*;import java.util.Date;import java.util.GregorianCalendar;import java.util.Locale;import java.util.TimeZone;/** * 日期时间辅助类  月份从1开始 * @author Hocean  @version 2016年8月24日 下午4:45:58. * */public class DateTime extends GregorianCalendar {   /**    *    */   private static final long serialVersionUID = 1L;   public static DateTime dateTimeBase = new DateTime().setTimeMillis(0);   public void setFORMAT_DEFUALT(String fORMAT_DEFUALT)   {      FORMAT_DEFUALT = fORMAT_DEFUALT;   }   public String getFORMAT_DEFUALT()   {      return FORMAT_DEFUALT;   }  //0毫秒时候的日期   public static void main(String[] args) {      DateTime dt = new DateTime();      System.out.println("转换为Date： " + dt.toDate().toString()); //转换为Date      System.out.println("一般格式： " + dt.format()); //一般格式输出      System.out.println("分别輸出： " + String.format("%s_%s_%s %s:%s:%s  %s", dt.getYear(), dt.getMonth(), dt.getDate(), dt.getHours(), dt.getMinutes(), dt.getSeconds(), dt.getWeek()));//获取      dt.setYear(2017);      dt.setMonth(7);      dt.setDate(7);      dt.setHours(7);      dt.setMinutes(7);      dt.setSeconds(7);      System.out.println("分別设置2017/7/7/7/7： " + dt.format()); //一般格式输出      System.out.println("归零0： " + dt.setTimeMillis(0).format()); //一般格式输出      dt.parse("2018-10-3 3:6:3"); //反序列化      System.out.println("反序列化2018-10-3 3:6:3： " + dt.format()); //一般格式输出      dt.parse("2018-10-3 3:6:3:123", "yyyy-MM-dd HH:mm:ss:SSS"); //自定义 反序列化      System.out.println("反序列化2018-10-3 3:6:3:123： " + dt.format("yyyy-MM-dd HH:mm:ss:SSS")); //格式输出      dt.parse("2016-6-6 6:6:6"); //反序列化      dt.addDate(1);//计算      dt.addYear(1);      dt.addMonth(1);      dt.addHours(1);      dt.addMinutes(1);      dt.addSeconds(1);      dt.addTimeMillis(1000 * 60 * 60 * 24 * 10);      System.out.println("增加时间2017/7/17 7/7/7： " + dt.format());//一般格式输出      System.out.println("自定义格式： " + dt.format("yyyy=MM=dd hh&mm&ss E"));//格式输出      System.out.println("自定义获取： " + "今天是 " +  dt.get(DateTime.DATE) + "号， 星期" + dt.getWeek());//获取特殊时间      DateTime minus = new DateTime();      DateTime minus2 = minus.clon();      minus = DateTime.subtract(minus.addMinutes(70), minus2);      System.out.println("计算相差时间1:10:00： " + minus.getCountSeconds());      System.out.println("输出相差的时间： " + String.format("s-s-%s %s:%s:%s", minus.getDate(), minus.getHours(), minus.getMinutes(), minus.getSeconds()));      System.out.println("输出相差的时间分别计算： " + String.format("s-s-%s %s:%s:%s", minus.getCountDate(), minus.getCountHours(), minus.getCountMinutes(), minus.getCountSeconds()));      System.out.println("创建2020-6-6 13:06:15： " + DateTime.create("2020-6-6 13:06:15").format());      System.out.println("创建2020-6-6： " + DateTime.createDate("2020-6-6").format());      System.out.println("创建13:06:15： " + DateTime.createTime("13:06:15").format());      System.out.println("创建--------： " + DateTime.createTime("13:06:15").getHours());      System.out.println("创建2020-6-6 13:06:15： " + new DateTime("2020-6-6 13:06:15").format());      System.out.println("创建当前： " + new DateTime(new Date()).format());      System.out.println("创建1000ms： " + new DateTime(1000).format());   }//*/   public final static String FORMAT_TAG_YEAR = "yyyy";   public final static String FORMAT_BASE = "yyyy-MM-dd HH:mm:ss";   public final static String FORMAT_DATE = "yyyy-MM-dd";   public final static String FORMAT_TIME = "HH:mm:ss";   private final static int hourToDate = 24;   private final static int minuteToHour = 60;   private final static int SecondToMinute = 60;   private final static int millisToSecond = 1000;   private String FORMAT_DEFUALT = null;   public DateTime() {      super();   }   public DateTime(TimeZone zone) {      super(zone);   }   public DateTime(Locale aLocale) {      super(aLocale);   }   public DateTime(TimeZone zone, Locale aLocale) {      super(zone, aLocale);   }   public DateTime(String time) {      this(time, FORMAT_BASE);   }   public DateTime(String time, String format) {      //this(new SimpleDateFormat(format).parse(time));      try {         SimpleDateFormat sdf = new SimpleDateFormat(format);         Date date = sdf.parse(time);         setTime(date);      }      catch (Exception e) {      }   }   public DateTime(Date date) {      setTime(date);   }   public DateTime(long millis) {      setTimeMillis(millis);   }   public Date toDate(){      return getTime();   }   public void parseDate(Date date){      setTime(date);   }   //获取   public int getYear() {      int year = get(GregorianCalendar.YEAR);//年      return year;   }   public int getMonth() {      int month = get(GregorianCalendar.MONTH);//月      return month + 1;   }   public int getDate() {      int date = get(GregorianCalendar.DATE);//日      return date;   }   public int getHours() {      int hour = get(GregorianCalendar.HOUR_OF_DAY);//时      return hour;   }   public int getMinutes() {      int minute = get(GregorianCalendar.MINUTE);//分      return minute;   }   public int getSeconds() {      int second = get(GregorianCalendar.SECOND);//秒      return second;   }   public int getMillis(){      int millis = get(GregorianCalendar.MILLISECOND);//秒      return millis;   }   public long getTimeMillis() {      return super.getTimeInMillis();   }   public int getWeek() {      int week = get(GregorianCalendar.DAY_OF_WEEK); //星期      return week - 1;   }   //相减使用   public double getCountDate() {      return getCountHours() / (float) hourToDate;   }   public double getCountHours() {      return getCountMinutes() / (float) minuteToHour;   }   public double getCountMinutes() {      return getCountSeconds() / (float) SecondToMinute;   }   public double getCountSeconds() {      return getCountMillis() / (float) millisToSecond;   }   public double getCountMillis() {      DateTime dt = new DateTime();      dt.setTime(getTime());      dt.addYear(1970);      dt.addHours(8);      return dt.getTimeMillis();   }   //设置   public DateTime setYear(int year) {      set(GregorianCalendar.YEAR, year);      return this;   }   public DateTime setMonth(int month) {      set(GregorianCalendar.MONTH, month - 1);      return this;   }   public DateTime setDate(int day) {      set(GregorianCalendar.DATE, day);      return this;   }   public DateTime setHours(int hour) {      set(GregorianCalendar.HOUR_OF_DAY, hour);      return this;   }   public DateTime setMinutes(int minute) {      set(GregorianCalendar.MINUTE, minute);      return this;   }   public DateTime setSeconds(int second) {      set(GregorianCalendar.SECOND, second);      return this;   }   public DateTime setMillis(int millis) {      set(GregorianCalendar.MILLISECOND, millis);      return this;   }   public DateTime setTimeMillis(long millis) {      super.setTimeInMillis(millis);      return this;   }   //计算   public DateTime addYear(int year) {      add(GregorianCalendar.YEAR, year);      return this;   }   public DateTime addMonth(int month) {      add(GregorianCalendar.MONTH, month);      return this;   }   public DateTime addDate(int day) {      add(GregorianCalendar.HOUR_OF_DAY, day);      return this;   }   public DateTime addHours(int hour) {      add(GregorianCalendar.HOUR_OF_DAY, hour);      return this;   }   public DateTime addMinutes(int minute) {      add(GregorianCalendar.MINUTE, minute);      return this;   }   public DateTime addSeconds(int second) {      add(GregorianCalendar.SECOND, second);      return this;   }   public DateTime addMillis(int millis) {      add(GregorianCalendar.MILLISECOND, millis);      return this;   }   public DateTime addTimeMillis(long time) {      long vltime = getTimeMillis();      vltime += time;      setTimeMillis(vltime);      return this;   }   //序列化   public String format() {      return format(FORMAT_DEFUALT == null ? FORMAT_BASE : FORMAT_DEFUALT);   }   public String formatDate() {      return format(FORMAT_DATE);   }   public String formatTime() {      return format(FORMAT_TIME);   }   public String format(String format) {      SimpleDateFormat sdf = new SimpleDateFormat(format);      return sdf.format(getTime());   }   //反序列化   public DateTime parse(String time, String format) {      SimpleDateFormat sdf = new SimpleDateFormat(format);      try {         Date d = sdf.parse(time);         setTime(d);         return this;      }      catch (ParseException e) {      }      return null;   }   public DateTime parse(String time) {      return parse(time, FORMAT_DEFUALT == null ? FORMAT_BASE : FORMAT_DEFUALT);   }   public DateTime parseDate(String time) {      return parse(time, FORMAT_DATE);   }   public DateTime parseTime(String time) {      return parse(time, FORMAT_TIME);   }   //创建   public static DateTime create(String time, String format) {      return new DateTime(time,format);   }   public static DateTime create(String time) {      return create(time, FORMAT_BASE);   }   public static DateTime createDate(String time) {      return create(time, FORMAT_DATE);   }   public static DateTime createTime(String time) {      return create(time, FORMAT_TIME);   }   /**    * 相减 后再减去8h 从 1970-01-01 00:00:00  开始    * 可获得 相差的 天数 小时 分钟 秒 毫秒    * 通过  *Count 获取合计天数 小时 分钟 秒 毫秒    * @param dtl    * @param dtr    * @return    */   public static DateTime subtract(DateTime dtl, DateTime dtr) {      DateTime minus = new DateTime();      minus.setTimeMillis(dtl.getTimeMillis() - dtr.getTimeMillis());      minus.addYear(-1970);      minus.addHours(-8);      return minus;   }   public DateTime subtract(DateTime dt) {      DateTime minus = new DateTime();      minus.setTimeMillis(getTimeMillis() - dt.getTimeMillis());      return minus;   }   /**    * 克隆元素    * @return    */   public DateTime clon() {      DateTime dt = new DateTime(getTimeZone());      dt.setTimeMillis(getTimeMillis());      return dt;   }}