com.janeluo.jfinalplus.kit.DateTimeKit Maven / Gradle / Ivy
/**
* Copyright (c) 2015-2016, BruceZCQ ([email protected]).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.janeluo.jfinalplus.kit;
import java.math.BigInteger;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
/**
* @author BruceZCQ
*
*/
final public class DateTimeKit {
/**
* yyyy-MM-dd HH:mm:ss
*/
public static final String FULL_DATE_24HR_STYLE = "yyyy-MM-dd HH:mm:ss";
/**
* yyyy-MM-dd hh:mm:ss
*/
public static final String FULL_DATE_12HR_STYLE = "yyyy-MM-dd hh:mm:ss";
/**
* yyyy-MM-dd HH:mm
*/
public static final String DATE_TIME_24HR_STYLE = "yyyy-MM-dd HH:mm";
/**
* yyyy-MM-dd hh:mm
*/
public static final String DATE_TIME_12HR_STYLE = "yyyy-MM-dd hh:mm";
/**
* yyyy-MM-dd
*/
public static final String DATE_STYLE = "yyyy-MM-dd";
/**
* HH:mm
*/
public static final String TIME_24HR_STYLE = "HH:mm";
/**
* hh:mm
*/
public static final String TIME_12HR_STYLE = "hh:mm";
/**
* 时间进制
* @author 朱丛启 2015年5月4日 上午10:24:46
*
*/
private enum HR{
HR24,
HR12,
};
private static String formatDateToFULLHRStyle(HR hr, String spacer, Date date){
if (null == date) {
return "";
}
if (null == spacer) {
spacer = "-";
}
String hh = "HH";
if (hr == HR.HR12) {
hh = "hh";
}
return (new SimpleDateFormat("yyyy"+spacer+"MM"+spacer+"dd "+hh+":mm:ss").format(date));
}
/**
* Calendar
*/
private static Calendar cal = Calendar.getInstance();
private static void setTime(){
cal.setTime(now());
}
private static Date now(){
return (new Date());
}
/*=============================================TO int ===================*/
/**
* 年
* @return
*/
public static int year(){
setTime();
return cal.get(Calendar.YEAR);
}
/**
* 月
*/
public static int month(){
setTime();
return cal.get(Calendar.MONTH)+1;
}
/**
* 某月的第几日
* @return
*/
public static int dayOfMonth(){
setTime();
return cal.get(Calendar.DAY_OF_MONTH);
}
/**
* 某年的第几天
* @return
*/
public static int dayOfYear(){
setTime();
return cal.get(Calendar.DAY_OF_YEAR);
}
/**
* 某周的第几天
* SUN = 7 MON = 1 TUE = 2 WED = 3
* THU = 4 FRI = 5 SAT = 6
* @return
*/
public static int dayOfWeek(){
setTime();
int dayofweek = cal.get(Calendar.DAY_OF_WEEK) - 1;
if (dayofweek == 0) {
dayofweek = 7;
}
return dayofweek;
}
/*=============================================TO String===================*/
/**
* 格式化时间
* @param style
* @param date
* @see DateFormat
* @return
*/
public static String formatDate(int style,Date date){
if (date == null) {
return "";
}
if (style < 0) {
style = DateFormat.DEFAULT;
}
return DateFormat.getDateInstance(style).format(date);
}
/**
* 格式化时间
* @param style
* @see DateFormat
* @return
*/
public static String formatNow(int style){
return formatDate(style, now());
}
/**
* 格式化时间为DateFormat.FULL风格的String => 2015年5月4日 星期一
* @param date
* @return
*/
public static String formatDateToFull(Date date){
return formatDate(DateFormat.FULL, date);
}
/**
* 格式化当前时间为DateFormat.FULL风格的String => 2015年5月4日 星期一
* @return
*/
public static String formatNowToFull(){
return formatNow(DateFormat.FULL);
}
/**
* 格式化时间为DateFormat.MEDIUM风格的String => 2015-5-4
* @param date
* @return
*/
public static String formatDateToMedium(Date date){
return formatDate(DateFormat.MEDIUM, date);
}
/**
* 格式化当前时间为DateFormat.MEDIUM风格的String => 2015-5-4
* @return
*/
public static String formatNowToMedium(){
return formatNow(DateFormat.MEDIUM);
}
/**
* 格式化时间为DateFormat.SHORT风格的String => 15-5-4
* @param date
* @return
*/
public static String formatDateToShort(Date date){
return formatDate(DateFormat.SHORT, date);
}
/**
* 格式化当前时间为DateFormat.SHORT风格的String => 15-5-4
* @param date
* @return
*/
public static String formatNowToShort(){
return formatNow(DateFormat.SHORT);
}
/**
* 格式化时间
*
* @param style 格式风格
* @param date
* @return
*/
public static String formatDateToStyle(String style, Date date){
if (null == date) {
return "";
}
if (null == style) {
style = DateTimeKit.FULL_DATE_24HR_STYLE;
}
return (new SimpleDateFormat(style).format(date));
}
/**
* 格式化时间
*
* @param style 格式风格
* @return
*/
public static String formatNowToStyle(String style){
return formatDateToStyle(style, now());
}
/**
* 格式化时间为Full24HR，使用spacer间隔。如：spacer为/，在return=> 2015/05/05 10:20:20
* @param spacer 间隔号
* @param date
* @return
*/
public static String formatDateToFULL24HRStyle(String spacer, Date date){
return formatDateToFULLHRStyle(HR.HR24, spacer, date);
}
/**
* 格式化当前时间为Full24HR，使用spacer间隔。如：spacer为/，在return=> 2015/05/05 10:20:20
* @param spacer 间隔号
* @return
*/
public static String formatNowToFULL24HRStyle(String spacer){
return formatDateToFULL24HRStyle(spacer, now());
}
/**
* 格式化时间为Full12HR，使用spacer间隔。如：spacer为/，在return=> 2015/05/05 18:20:20
* @param spacer 间隔号
* @param date
* @return
*/
public static String formatDateToFULL12HRStyle(String spacer, Date date){
return formatDateToFULLHRStyle(HR.HR12, spacer, date);
}
/**
* 格式化当前时间为Full12HR，使用spacer间隔。如：spacer为/，在return=> 2015/05/05 18:20:20
* @param spacer 间隔号
* @param date
* @return
*/
public static String formatNowToFULL12HRStyle(String spacer){
return formatDateToFULL12HRStyle(spacer, now());
}
/**
* 格式化日期为时间格式
* @param hr
* @param date
* @return
*/
public static String formatDateToHRStyle(HR hr, Date date){
if (null == date) {
return "";
}
String style = DateTimeKit.TIME_24HR_STYLE;
if (hr == HR.HR12) {
style = DateTimeKit.TIME_12HR_STYLE;
}
return formatDateToStyle(style, date);
}
/**
* 格式化当前日期为时间格式
* @param hr
* @param date
* @return
*/
public static String formatNowToHRStyle(HR hr){
return formatDateToHRStyle(hr, now());
}
/**
* 格式化时间戳为制定的style
* @param style
* @param unixtime
* @return
*/
public static String formatUnixTime(String style, BigInteger unixtime){
SimpleDateFormat sdf = new SimpleDateFormat(style);
return sdf.format(unixtime);
}
/**
* 格式化时间戳为制定的short 24hour style
* @param unixtime
* @return
*/
public static String formatUnixTimeToShort24HRStyle(BigInteger unixtime){
return DateTimeKit.formatUnixTime(DateTimeKit.DATE_TIME_24HR_STYLE, unixtime);
}
/**
* 格式化时间戳为制定的24hour style
* @param unixtime
* @return
*/
public static String formatUnixTimeTo24HRStyle(BigInteger unixtime){
return DateTimeKit.formatUnixTime(DateTimeKit.FULL_DATE_24HR_STYLE, unixtime);
}
/**
* 格式化时间戳为制定的short 12hour style
* @param unixtime
* @return
*/
public static String formatUnixTimeToShort12HRStyle(BigInteger unixtime){
return DateTimeKit.formatUnixTime(DateTimeKit.DATE_TIME_12HR_STYLE, unixtime);
}
/**
* 格式化时间戳为制定的12hour style
* @param unixtime
* @return
*/
public static String formatUnixTimeTo12HRStyle(BigInteger unixtime){
return DateTimeKit.formatUnixTime(DateTimeKit.FULL_DATE_12HR_STYLE, unixtime);
}
/*=============================================TO Date ===================*/
/**
* 时间转换
* @param style， DateKit.FULL_DATE_24HR_STYLE etc
* @param dateString
* @return
*/
public static Date dateStringToDate(String dateString){
SimpleDateFormat sdf=new SimpleDateFormat(DateTimeKit.FULL_DATE_24HR_STYLE);
Date date = null;
try {
date = sdf.parse(dateString);
} catch (ParseException e) {}
return date;
}
/**
* BigInteger 转Date
* @param style
* @param unixtime
* @return
*/
public static Date formatUnixTimeToDate(BigInteger unixtime){
return dateStringToDate(formatUnixTime(DateTimeKit.FULL_DATE_24HR_STYLE, unixtime));
}
/*=============================================TO long ===================*/
/**
* 获取本月的第一天的时间戳
* @return
*/
public static Long getMonth1stDay() {
cal.setTimeInMillis(System.currentTimeMillis());
cal.set(Calendar.DATE, 1);
return cal.getTimeInMillis();
}
/**
* 获取本月的最后一天的时间戳
* @return
*/
public static Long getMonthLastDay() {
cal.setTimeInMillis(System.currentTimeMillis());
cal.set(Calendar.DATE, 1);
cal.roll(Calendar.DATE, -1);
return cal.getTimeInMillis();
}
/**
* 获取给定时间的周一的长整形表示
* @return
*/
public static Long getMonday() {
cal.setTimeInMillis(System.currentTimeMillis());
cal.add(Calendar.DATE, -dayOfWeek() + 1);
return cal.getTimeInMillis();
}
/**
* 获取给定时间的周日的长整形表示
* @return
*/
public static Long getSunday() {
cal.setTimeInMillis(System.currentTimeMillis());
cal.add(Calendar.DATE, -dayOfWeek() + 7);
return cal.getTimeInMillis();
}
/**
* 获取day天之后的UnixTime
* @param day
* @return
*/
public static Long getUnixTimeAfterDay(int day) {
return day*24*60*60L + System.currentTimeMillis()/1000;
}
/**
* 获取day天之前的UnixTime
* @param day
* @return
*/
public static Long getUnixTimeBeforeDay(int day) {
return System.currentTimeMillis()/1000 - day*24*60*60L;
}
/**
* 获取当前的时间的UnixTime
* @return
*/
public static Long getCurrentUnixTime(){
return System.currentTimeMillis()/1000;
}
/**
* 把time转为 unix time 到毫秒
* @param time
* @return
*/
public static BigInteger getUnixTimeMillis(BigInteger time) {
return time.multiply(new BigInteger("1000"));
}
/**
* 把time转为 unix time 到毫秒
* @param time
* @return
*/
public static BigInteger getUnixTimeMillis(Long time) {
return new BigInteger(String.valueOf(time * 1000L));
}
}
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